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EP2498636B1 - Casque de protection destiné notamment à des ouvriers forestiers - Google Patents

Casque de protection destiné notamment à des ouvriers forestiers Download PDF

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Publication number
EP2498636B1
EP2498636B1 EP20110730983 EP11730983A EP2498636B1 EP 2498636 B1 EP2498636 B1 EP 2498636B1 EP 20110730983 EP20110730983 EP 20110730983 EP 11730983 A EP11730983 A EP 11730983A EP 2498636 B1 EP2498636 B1 EP 2498636B1
Authority
EP
European Patent Office
Prior art keywords
helmet
carrier
shell
helmet shell
protective helmet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20110730983
Other languages
German (de)
English (en)
Other versions
EP2498636B8 (fr
EP2498636A1 (fr
Inventor
Martin Greber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfanner Schutzbekleidung GmbH
Original Assignee
Pfanner Schutzbekleidung GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44510084&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2498636(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfanner Schutzbekleidung GmbH filed Critical Pfanner Schutzbekleidung GmbH
Priority to SI201130058T priority Critical patent/SI2498636T1/sl
Priority to PL11730983T priority patent/PL2498636T3/pl
Publication of EP2498636A1 publication Critical patent/EP2498636A1/fr
Application granted granted Critical
Publication of EP2498636B1 publication Critical patent/EP2498636B1/fr
Publication of EP2498636B8 publication Critical patent/EP2498636B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/003—Helmet covers
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/142—Suspension devices with restraining or stabilizing means, e.g. nape straps
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/145—Size adjustment devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A42B3/166—Integral hearing protection
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/18—Face protection devices

Definitions

  • the invention relates to a protective helmet with a helmet shell, with an interior comprising a head contacting assembly of at least a headband, a neck band and a plurality of support strips, and means for securing this assembly to the helmet shell.
  • a protective helmet which is a basic helmet and can be adapted to different tasks in different conditions of use by changing attachments.
  • the helmet consists of a helmet shell and a minimum interior trim.
  • the interior consists of a cruciate ligament, with which the helmet is worn on the head and which ensures an impact-resistant distance between the head and the helmet shell.
  • the helmet has on its outer circumference on the side and the rear part of the helmet comprehensive projection containing four recesses for attachment of the cruciate ligament and other recesses for attachment of additional attachments at the bottom.
  • the basic version of the helmet can be used without any accessories as a simple universal helmet. The additives can be added or removed as needed.
  • a recess on the outside of the projection surrounding most of the helmet This is the attachment point of a face and ear protection.
  • This protection consists of a visor and two earmuffs, each comprising a wire hanger and a hearing protection capsule.
  • the face and ear protectors are fastened to the exterior of the helmet by a common connector plugged into the projection.
  • the disadvantage of a helmet equipped in this way is that, in use, obstacles past which the helmet passes are behind the temples of the hearing protection and / or the visor and thus hinder the wearer of the helmet during use or tear the helmet from his head and thereby endanger the wearer.
  • a protective helmet in which the interior equipment, which comprises a head-contacting assembly of a carrying basket, a headband and a neck band, has connecting elements which are inserted into a shield, which in turn is fastened to the lower edge of the helmet shell.
  • a protective helmet in which the interior, which comprises a head-contacting assembly of a carrying basket, a headband and a neck band, is secured by means of anchor tabs which are inserted into slots at the bottom of a double-walled helmet shell in four places.
  • the headband is made of a flexible material that can easily adapt to the size and shape of the wearer's head.
  • a safety helmet in which a shock absorption unit is arranged in the helmet shell, which the surrounds other interior trim comprising a head contacting assembly of a carrier basket, a headband, and a neckband.
  • the shock absorption unit and the interior trim assembly can be fastened by means of screws.
  • the shock absorption unit is formed so thick that it is possible to provide in its outer side opposite the helmet inner side a recess in which a transmitter / receiver can be accommodated with an outwardly leading connection line.
  • a protective helmet specified in the preamble of claim 1 is known from the document JP 2007 297743 A known.
  • This hard hat support strips on which the helmet shell is hung on the head of a user from a point above the top of the user's head to a headband which is circumferentially closed and attached to the lower edge of the helmet shell directly to the inner surface.
  • the carrier strips are flexible so that they can adapt to the head shape of each user.
  • a slot is left open in which a shield serving as a face shield can be moved up and down along the inner surface of the helmet shell.
  • the shock absorption capacity is determined in this known protective helmet mainly by the flexible support strips. Hearing protection is neither provided nor available in this known protective helmet. It is a fire helmet.
  • the document WO 97/19606 A1 shows a protective helmet, similar to the protective helmet according to the already mentioned document JP 2007 29 77 43 A offers the possibility to enter a visor in the helmet in the forehead area.
  • Helmet accessories which includes at least ear protection capsules and carrying straps, is neither provided nor available with this protective helmet.
  • a headband is present in this known protective helmet, which, except in the region of the visor, extends directly to the inner surface of the helmet shell.
  • the object of the invention is to form a protective helmet of the type mentioned above and known from the latter type so that with improved shock absorption the risk is eliminated that the helmet by him attached helmet accessories such as face and / or ear protection in use on obstacles and that the helmet is particularly suitable for use in forestry.
  • the carrier strips form a carrier basket
  • the attachment means comprise at least three rigid support arms designed as spacers, which are integrally formed on the carrier basket and project backwards from the carrier basket in the temples obliquely downwards or in the occipital region
  • the helmet shell and the support arms are dimensioned so that between the interior trim assembly and the helmet shell is a space extending around the interior space available for receiving helmet accessories that includes at least ear protection capsules and mounting brackets, as well as fasteners for other helmet accessories that includes at least the ear protection and a face shield.
  • the entire interior trim assembly of basket, headband and neck band is held by the spacers formed as rigid support arms, which are integrally formed on the basket from the helmet shell at a distance, so that between the interior trim assembly and the helmet shell is a continuous order the interior extending free space is available for receiving helmet accessories, which includes at least ear protection capsules and support brackets.
  • Trained as spacers support arms also offer the advantage that a force acting from the outside on the helmet force is already damped by the deformation of the helmet shell, so that less force is transmitted to the wearer's head and the helmet according to the invention thus overall better shock absorption as conventional protective helmets, in which the helmet shell is suspended by means of flexible straps on the head of a user.
  • the free space per se has the advantage that a helmet accessory such.
  • the hearing protection capsules of hearing protection inside the helmet shell can be swiveled backwards with their carrying straps and stowed there in a parking position, as long as they are not needed.
  • the helmet according to the invention provides in this state on its outside no possibilities for hooking obstacles such as branches and the like. Since the attachment devices for the face shield are in the free space, the visor can be designed so that it is not folded up yet in the folded state Einhakux for obstacles such as branches od. Like. Offers.
  • the support basket is formed of a rigid, elastically flexible material and the support arms are rigid and on the support basket in two temple areas and in one Formed at the back of the head and collar of the support basket obliquely downwards or backwards and are each attached with their free ends to the helmet shell.
  • the support and the shock absorption function in the support basket made of a stiff, elastically flexible material united.
  • the obliquely downwardly or rearwardly projecting arms support with their free ends the basket on the helmet shell from such that at an external pressure on the helmet shell from above the support arms be loaded by the helmet shell to train and endeavor to deform the helmet shell inward.
  • the fastening device for hearing protection on the inside two hearing protection bearing points on the helmet shell in which mounting brackets are pivotally mounted with ear protection capsules.
  • mounting brackets are pivotally mounted with ear protection capsules.
  • the hearing protection bearing points and the support bracket are arranged and designed so that the support bracket in the space are each pivotable between two positions, an operating position in which the ear protection capsules cover the ears and still within the outline of the Helmet shell, and a parking position in which the earmuffs are stowed with the support brackets in the free space.
  • the mounting bracket and the ear protection capsules in both positions no attack or Einhakf for obstacles.
  • the attachment device for the face protection on the inside of the helmet shell two face protection bearing points, in which two retaining arms of a visor are pivotally mounted.
  • the holding arms can be and their connection with the visor in a simple manner so that the visor od no hooking or attack opportunities for obstacles such as branches.
  • the visor od no hooking or attack opportunities for obstacles such as branches.
  • the face protection bearing points and the support arms are arranged and designed such that the support arms are pivotable in the free space between two positions, an operating position in which the visor protects the face, and a parking position, in the the visor is arranged snugly against the outer surface of the helmet shell.
  • the retaining arms can be attached to the visor in such a way that they remain within the outline of the helmet shell and do not provide any points of attack or hooking in for obstacles such as branches or the like.
  • one of the carrier strips is arranged on the carrier basket at its lower edge and formed circumferentially closed and the support arms are integrally formed on the circumferentially closed carrier strip.
  • the support arms, the support strip, the headband and the neckband form an integral component that has the necessary rigidity and still allows sufficient shock absorption effect.
  • the neck band is attached to the carrying basket and has two ends, which are releasably connected in the neck area by a clamping unit, which is added as yet another helmet accessory in the free space.
  • the neckband is also protected from external influences by obstacles and still accessible for operation by the helmet wearer.
  • the clamping unit on a support shell which is tensioned during tensioning of the neck band with the aid of a latch flap against the back of a head of a helmet.
  • This embodiment ensures a reliable One-hand operation and also allows to easily moor the interior trim assembly to the head.
  • the use of a standard chin strap provides additional security.
  • the support arms projecting downwards in the two temples have means for detachable fixation inside the helmet shell.
  • the interior trim assembly can be easily and detachably attached to the helmet shell.
  • the fixing means are formed on each of the downwardly projecting support arms so that they can be brought into positive engagement with the helmet shell.
  • the attachment point of the interior trim assembly on the inside of the helmet shell can be transmitted in a simple way force.
  • the support arm projecting rearwardly in the occipital area has a latching device for fixing to the helmet shell.
  • the helmet shell may simply have an opening into which the aforementioned support arm is inserted with its free end, so as to be locked to the helmet shell and transmitted through the attachment point force.
  • the face protection bearing points are formed as a plug, which are plugged over the support arms on the rod-like projections.
  • the face shield is so easy to mount and at the same time serves to keep the free ends of the arms attached to the rod-like projections of the helmet shell.
  • the fixing means comprise on each of the downwardly projecting support arms through holes which detect rod-like projections on the helmet shell in each case over a length which is at least as large as the inside width of the through holes, so that one by load of the helmet from above the support arms exerted force on the support arms generates a moment which tends to deform the helmet shell inwardly to the lower edge.
  • the shock absorption function of the interior trim assembly can be supported in a simple manner by elastic deformation of the helmet shell.
  • the passage openings at the free ends of the support arms of the rod-like projections are adapted accordingly to be able to exert a leverage effect on the rod-like projections when force is applied to the helmet shell can.
  • the support basket on two downwardly projecting support arms on which the neck band is fixed in each case at a selectable height. In this way, the fit of the helmet can be easily improved.
  • the support arms and the support arms are additionally stiffened by molded ribs.
  • the power transmission via the attachment point can be secured easily.
  • a generally designated 30 protective helmet according to the invention is in an embodiment which is particularly adapted for use in forestry, in Fig. 20 in a side view and in Fig. 6 in an exploded view and partially shown in section.
  • the protective helmet 30 comprises a total of 32 designated face shield and a total of 34 designated hearing protection.
  • the protective helmet 30 includes a helmet shell 36 and an interior trim assembly, generally designated 40, which includes a carrier basket 42, a headband 44, and a neckband 46.
  • the neckband 46 is equipped with a total of 48 designated clamping unit.
  • the helmet shell 36 is externally provided with a vent slide 50, with which formed in the helmet shell ventilation openings 52 can be opened and closed.
  • the helmet shell 36 is dimensioned (that is, its inside width is so long and so wide) and the support arms 54, 55 and 56 are dimensioned and arranged such that there is a free space 60 between the interior trim assembly 40 and the helmet shell 36 for receiving of hearing protection capsules 35a, 35b of the hearing protection 34 and other helmet accessories as well as fastening devices for at least the face shield 32 and the ear protection 34.
  • the other helmet accessories includes the already mentioned clamping unit 48 of the neck band 46th
  • the helmet shell 36, the interior trim assembly 40, its connection to the helmet shell 36, and then the helmet accessory comprising the ear defenders 34, the face shield 32, and their attachment devices and tensioning unit 48 are described in detail and in this order
  • the helmet shell 36 will be described below with reference to the drawings, in particular Fig. 3-7 and 15 described in detail.
  • the helmet shell 36 is formed as a one-piece plastic molded part.
  • a suitable plastic for the helmet shell 36 is eg ABS.
  • Fig. 3 The helmet shell 36 is shown in a longitudinal sectional view equipped with the trim assembly 40.
  • Fig. 4 shows the helmet shell 36 after Fig. 3 without the trim assembly 40 in a bottom view.
  • Fig. 5 shows the helmet shell after Fig. 4 in a perspective view in a view obliquely from below.
  • Fig. 6 shows in an exploded view and partially in section the protective helmet 30, wherein in this representation above the helmet shell 36 and above the vent slide 50 are visible.
  • Fig. 7 shows the helmet 30 after Fig.
  • the helmet shell 36 is forward so far forward that at the same time fulfills the function of a screen above the eyes.
  • the helmet shell 36 has thereby in its front region in the rearward direction a uniformly rising outer surface without any appreciable gradation, so that it does not offer Einhakin obstacles such as branches.
  • transversely extending reinforcing ribs 62 are integrally formed in the front and middle helmet area.
  • a reinforcing rib 64 extending in the longitudinal direction of the protective helmet 30 is formed transversely to the reinforcing ribs 62 and in the center.
  • the reinforcing ribs 62 and 64 are in the Fig. 3 and 4 best to recognize. In the middle region, the reinforcing ribs 62, 64 adjoin a slightly inwardly recessed area, which has six groups of the ventilation openings 52. In the recessed region of the outer surface of the helmet shell 36 of the vent slide 50 is slidably disposed, which engages with downwardly and inwardly projecting retaining nubs 68 in two front guide slots 66 and two retaining nubs 70 in two rear guide slots 72.
  • the ventilation slide 50 has congruent ventilation openings 53 (FIG. Fig. 6 ), which are located in the ventilation position on the ventilation openings 52 and are arranged offset in the closed position so that the ventilation openings 52 are closed by the vent slide 50.
  • the lower edge of the helmet 30 is pulled laterally in the area of the temples and laterally in the area of the back of the head, as in the Fig. 5 and 11 can be seen.
  • the above-mentioned free space 60 between the interior trim assembly 40 and the helmet shell 36 is thereby increased in these areas downwards. This facilitates the attachment of fasteners to the inside of the helmet shell 36 and the stowage of the earmuffs 35a, 35b in the space 60, which the representation in Fig. 11 clarified and what is described in more detail below.
  • each side three rod-like projections 74a and 74b formed on which the interior trim assembly 40 with the support arms 54 and 55 is positively and releasably attachable.
  • the rod-like projections 74a, 74b are in a side view in FIG Fig. 5 , in a plan view in Fig. 4 (right) and in one Section view in Fig. 15 to recognize.
  • the rod-like projections 74a, 74b are each in cross-section square hollow profile parts, which are integrally formed with a foot region on the inside of the helmet shell 36. In their region opposite the foot region, the rod-like projections 74a, 74b are arranged freely in front of the inner surface of the helmet shell 36.
  • the connection of the rod-like projections 74 to the inside of the helmet shell 36 and its transition to the helmet shell in the area adjacent the junction in a respective triangular gusset is stiffened by additional molded ribs between the rod-like projections 74a, 74b and the helmet shell 36, so that the rod-like projections 74a, 74b are substantially rigidly connected to the helmet shell 36.
  • the rod-like projections 74a, 74b endeavor to deform the helmet shell 36 accordingly.
  • the purpose of this embodiment is further explained below in connection with the description of the attachment of the interior trim assembly 40 to the helmet shell 36.
  • the helmet shell 36 is provided at the lower edge in the middle with a recess 76 behind which the tensioning unit 48 of the neck band 46 is located when the helmet 30 is fully assembled and thus accessible for manual operation for tensioning or relaxing the neck band 46 ,
  • this is provided in the occipital region with a slot 78 in which the correspondingly shaped free end of the support arm 56 (FIG. Fig. 2 ) can snap releasably, as it is in the Fig. 7 and 15 can be seen.
  • projections 56a, 56b formed on the support arm 56 are located outside the helmet shell 36 and rest on their outer surface, so that the support arm 56 is subjected to tension when the force exerted on the helmet shell 36 from above.
  • An attachment device 80 for the hearing protection 34 has two hearing protection bearing points 80 a, 80 b on the inside of the helmet shell 36.
  • the hearing protection bearing points 80a, 80b are pivot bearings, which are integrally formed on the helmet shell 36 or, preferably, are non-detachably attached as additional parts.
  • mounting bracket 37a, 37b are pivotally mounted with ear defenders capsules 35a and 35b, which is described in more detail below.
  • An attachment device 84 for the face protection 32 has inside the helmet shell 36 two face protection bearing points 84a, 84b.
  • the face protection bearing points 84a, 84b are not formed on the inside of the helmet shell 36, but in each case on a plug 136a and 136b, which are respectively attached to the rod-like projections 74a and 74b, so at the same time the free ends of the support arms 54, 55 determine the rod-like projections.
  • the face protection bearing points 84a, 84b are with their associated plugs 36a and 36b in the assembled state in the free space 60, in an area in which the helmet shell 36 is pulled down at its lower edge, as already explained above.
  • the trim assembly 40 is that portion of the protective helmet 30 that contacts the head and consists of the carrier basket 42, the headband 44, and the neckband 46 equipped with the tension unit 48.
  • the assembly 40 is at the in the Fig. 3 and 6 helmet shell 36 shown fixed to support the helmet 30 on the head of a wearer and hold.
  • Fig. 1 shows in perspective and in a view obliquely from below the interior trim assembly 40 of the protective helmet 30 according to the invention.
  • Fig. 2 shows the interior trim assembly Fig. 1 in a view diagonally from above.
  • Fig. 3 shows in a longitudinal sectional view of the interior trim assembly 40 after Fig. 1 inserted into the helmet shell 36 of the protective helmet 30, likewise shown in longitudinal section.
  • Fig. 6 shows an embodiment of the protective helmet 30, in which it is provided with a face and a hearing protectors 32 and 34, in exploded view and partially in section.
  • Fig. 12 shows the interior trim assembly 40 of the protective helmet 30, wherein two ends of the neck band 46 are detachably connected in the neck area by the clamping unit 48.
  • the carrier basket 42 is formed of a rigid, elastically flexible material, preferably of a plastic such as polyamide.
  • the support head 42 is provided in two temporal regions as well as in an occipital region each with a rigid, obliquely downwardly or rearwardly projecting support arm 54, 55 and 56, respectively, to a three-point attachment of the interior trim to the helmet shell 36 and to allow itself in the helmet shell 36 through the interior extending clearance 60 for receiving earmuffs 35a, 35b and other helmet accessories and fasteners 80, 84 for the face and ear protectors 32 and 34.
  • the support basket 42 is made in the embodiment described herein as a one-piece plastic molding.
  • the support basket 42 is formed of two pairs of mutually spaced support strips 142, 144, as shown in FIG Fig. 2 cross centrally and pass with their lower ends at four connection points 146a, 146b, 146c, 146d in a single, circumferentially closed support strip 148.
  • the support strips 142, 144 are covered by a cross-shaped padding material piece 149.
  • the support arms 54, 55, 56 collar at the connection points 146a, 146b, 146c of the support basket 42 from. Assuming that the support strips 142 and 144 extend between the connection locations 146a, 146b and 146c, 146d, respectively, in an arc, preferably substantially a circular arc, the support arms 54, 55 and 56, respectively, are substantially tangential to the respective one Bow from the basket 142 down or to the rear, as it in the Fig. 15 or 2 can be seen. In the embodiment described here the support arms 54, 55, 56 are integrally formed on the circumferentially closed support strip 148.
  • the headband 44 is formed on the carrier basket 42, as shown in FIG Fig. 2 can be seen.
  • the neckband 46 has two front ends which are releasably connected to rear free ends of the headband 44, for example, by a locking connection, not shown in the figures.
  • the neckband 46 has, as shown in the Fig. 1 to 3 two free ends which are detachably connectable to each other in the neck region, with the aid of the clamping unit 48, as in Fig. 12 can be seen.
  • the neckband 46 may be formed of the same material as the carrier basket 42.
  • the neck band 46 is connected between its connections with the headband 44 and its free ends each adjustable in height to the carrying basket 42, as for example in the Fig. 1 and 2 can be seen.
  • the support basket 42 has two downwardly projecting support arms 47a, 47b, on which the neck band 46 can be fixed in each case to a selectable height.
  • the neck band 46 has on each side three superimposed holes 51, which on a on each support arm 47a, 47b projecting resilient bolt 49 (FIGS. Fig. 6 ) are latched, as it is in the Fig. 1 and 2 can be seen.
  • the support arms 54, 55 although differently affixed to the helmet shell 36 as the support arm 56, but this is not absolutely necessary.
  • the support arms 54, 55 may also be attached to the helmet shell in the same manner as the support arm 56. It is only necessary that the support arms 54, 55 have the same fixing means as the support arm 56, which allow the support arms 54, 55 to be positively engaged with the helmet shell. In this case, then the fixing means of the support arms 54, 55 also locking means, which z. B. are inserted into slots in the helmet shell 36 to fix the support arms 54, 55 as the support arm 56 to the helmet shell by means of a latching connection.
  • the headband 44 is formed at a distance from the circumferentially closed support strip 148 via connecting strips 150 to the circumferentially closed support strip 148.
  • the support arms 54, 55, 56 and the support arms 47a, 47b are additionally stiffened by molded-on ribs 152 and 154, respectively.
  • the support arms 54, 55 projecting downwards in the two temple regions have means for fixing the inside of the helmet shell 36.
  • the fixing means comprise on each of the support arms 54, 55 three through holes 156 and 158, which are positively engageable with the rod-like projections 74a and 74b on the helmet shell 36 in engagement.
  • the support arm 56 of the support basket 42 projecting backwards in the occipital region has the projections 56a, 56b, which, as already explained above, form a latching device for detachably fixing the interior trim assembly 40 to the helmet shell 36.
  • a device 88a, 88b designed for attachment of a chin strap, not shown.
  • the chinstrap fastening device 88a, 88b comprises two pivot pins 90a, 90b which, in addition to the support arms 54, 55 projecting downwards in the two temples, against the circumferentially closed support strip 148 of the support basket 42 or, as shown, on an intermediate piece 89a which can be pushed onto the circumferentially closed support strip 148, 89b are formed.
  • the attachment of the chin strap takes place in mountaineering helmets only on the helmet shell.
  • FIG. 2 shows the interior trim assembly 40 in a perspective view and in a view obliquely from above.
  • Fig. 3 shows in a longitudinal sectional view of the interior trim assembly 40 inserted into the also shown in longitudinal section helmet shell 36 of the protective helmet 30, wherein the clamping unit 48 is not shown on the neck band 46.
  • Fig. 15 shows the protective helmet 30 in a sectional view along the line XV-XV in Fig. 3 wherein the clamping unit 48 is also shown.
  • Fig. 2 are formed as spacers support arms 55 and 56 can be seen.
  • the second one after downwardly projecting support arm 55 is in Fig. 2 not visible.
  • the support arm 55 is in Fig. 3 to be seen in an interior view.
  • the support arms 54 and 55 are shown in section.
  • the rearwardly projecting support arm 56 is inserted into the slot 78 in the helmet shell until the projections 56a, 56b engage the outside of the helmet shell.
  • the trim assembly 40 is further moved inwardly toward the inner surface of the helmet shell 36, with the support arms 54 and 55 being slipped over the rod-like projections 74a and 74b, respectively.
  • the through holes 156 and 158 in the support arms 54 and 55, the rod-like projections 74 a and 74 b form-fitting manner, as in Fig. 15 can be seen.
  • the plugs 136a and 136b (FIGS. Fig. 4 and 5 ) is attached to the rod-like projections 74a and 74b, so as to fix the support arms 54 and 55 in their position.
  • the interior trim assembly 40 and the helmet shell 36 are now firmly connected together in three points.
  • a chinstrap (not shown) may also be tightened under the chin.
  • the through-holes 156, 158 in the support arms 54, 55 engage the rod-like projections 74a, 74b, respectively, for a length at least as long as the inside width of the through-holes 156, 158. If a load on the helmets 30 from above a force on the support arms 54, 55, 56 is applied, the support arms are loaded by the helmet shell 36, which is supported on the ends of the support arms, to train.
  • the support arms 54, 55, 56 By acting on the support arms 54, 55, 56 force is generated in each of the three points, a moment which tends to deform the helmet shell 36 to the lower edge inwardly.
  • the helmet shell 36 thus converts a portion of the force acting on it into deformation energy and thus reduces the force on the person wearing the helmet.
  • the transmission of the moment from the support arms 54, 55, 56 to the helmet shell 36 is further enhanced by the fact that the support arms are additionally stiffened by integrally formed ribs 152.
  • Fig. 4 shows in a view from below the helmet shell 36 without the interior trim assembly 40, wherein in particular the position of the hearing protection bearing points 80a, 80b on the inside of the helmet shell 36 can be seen.
  • Fig. 5 shows the helmet shell 36 after Fig. 4 in a perspective view in a view obliquely from below.
  • Fig. 6 shows the protective helmet 30 in an undernfriendlyer representation and partly in section, wherein the hearing protector 34 can be seen in association with the other helmet accessories.
  • Fig. 7 shows the protective helmet 30 in a bottom view, in which the hearing protector 34 is shown at a distance from the helmet.
  • Fig. 7 The mirror image on the opposite side of the helmet 30 existing hearing protection 34 is in Fig. 7 have been omitted for clarity.
  • Fig. 8 shows the protective helmet 30 with the ear protection 34 provided on both sides, wherein the helmet shell 36 in cross-section and the ear protection 34 are shown folded away from the ears.
  • Fig. 9 shows the protective helmet Fig. 8 but with the hearing protector 34 shown hinged to the ears.
  • Fig. 10 shows the protective helmet Fig. 9 in a side view.
  • Fig. 11 shows the protective helmet Fig. 10 but wherein the hearing protection 34 is pivoted to the rear in a parking position and stored stowed under the helmet shell.
  • the hearing protection 34 comprises two ear protection capsules 35a, 35b, which are each pivotally mounted in a fork-like support bracket 37a and 37b.
  • the helmet shell 36 is provided on its inside with the fixed hearing protection bearing points 80a, 80b, as in Fig. 4 can be seen.
  • the hearing protection bearing point 80b is shown together with the carrying basket 42, this bearing point, like the ear protection bearing point 80b, is mounted inside the helmet shell 36 and not on the carrying basket 42.
  • the representation in Fig. 6 is merely to illustrate where in the room the ear protection bearing point 80b with respect to the support basket 42 of the interior trim assembly 40 is located.
  • the support brackets 37a, 37b which are provided with the earmuffs 35a and 35b, pivotally mounted, as shown in the Fig. 10 and 11 can be seen.
  • the hearing protection camp points 80a, 80b and the support brackets 37a, 37b are arranged and formed such that the support brackets 37a, 37b are pivotable in the free space 60 between two positions, one in the Fig. 9 and 10 shown operating position in which the earmuffs 35a, 35b cover the ears, and one in Fig. 11 shown parking position in which the earmuffs 35a, 35b are stowed in the free space 60 in the helmet shell 36.
  • Each mounting bracket 37a, 37b is formed in a region between its two ends, in which it extends in the free space 60, spring loaded kinked, so that the earmuffs 35a, 35b folded in non-bent position of each support bracket 37a, 37b respectively from the ear as it is in Fig. 8 is shown, and in the bent position of the support bracket 37a, 37b are each folded to the ear, as in Fig. 9 is shown.
  • the protective helmet 30 is not placed upside down, the two earmuffs 35a, 35b in the latter part respectively reach a position which is much further inward than the ear to which each earmuff capsule 35a, 35b is intended to rest.
  • each support bracket 37a, 37b can be moved by hand in a bent and in a non-bent position. In each of these positions causes the bow spring 92a and 92b an end position lock.
  • the end position lock of the support bracket 37a, 37b is not achieved with the helmet, because, as I said, each hearing protection capsule 35a, 35b is to be held pressed against the ear.
  • each hearing protection bearing point 80a, 80b and each support bracket 37a, 37b are formed so that the support bracket only from the in Fig. 8 shown position can be pivoted backwards. This ensures that the earmuffs 35a, 35b are stowed in the space behind the ear without colliding with the ears and the lower edge of the helmet shell 36.
  • FIG. 6 shows the protective helmet 30 in an exploded view and partially in section, wherein the face shield 32 can be seen in association with the other helmet accessories.
  • Fig. 7 shows the protective helmet 30 in a bottom view, in which a visor 132 of the face shield 32 is shown at a distance from the helmet.
  • Fig. 17 shows the protective helmet 30, wherein the visor 132 is opened.
  • Fig. 18 is a cross-sectional view of the helmet after Fig. 17 looking towards the rear.
  • Fig. 19 shows the protective helmet Fig. 17 in a broken view looking towards the front.
  • Fig. 20 shows in a side view an embodiment of the protective helmet 30, which is provided except with the face shield 32 with the ear protector 34 and an attached in the back of the head area on the neck band 46 clamping unit 48.
  • the face shield 32 comprises the visor 132 with the two retaining arms 32a, 32b and two plugs 136a, 136b, to which a face protection bearing point 84a or 84b is respectively formed as a fastening device 84 for the face shield 32.
  • the plugs 136 a, 136 b are plugged onto the rod-like projections 74 a and 74 b, whereby the face protection bearing points 84 a, 84 b come to lie in the temple area on the inside of the helmet shell 36.
  • the plug 136b with the face protection bearing point 84b is in Fig. 4 to recognize.
  • the oppositely disposed plug 136a with the face protection bearing point 84a is in Fig. 4 Not shown.
  • Each face shield bearing point 84a, 84b has three axially projecting, elastically flexible cams 85a and 85b, respectively, over which the retaining arms 132a, 132b are slidable with ring bearing bushes 134a, 134b to detachably and pivotally connect the retaining arms 132a, 132b in the face shield bearing points 84a, 84b fasten.
  • the faceguard support points 84a, 84b and the support arms 132a, 132b are arranged and configured such that each support arm 132a, 132b in the clearance 60 is between two positions is pivoted, an operating position in which the visor 132 is folded down and protects the face ( Fig.
  • the face shield attachment device 84 includes a self-locking support for each support arm 132a, 132b.
  • each plug 136a, 136b contains a spring-biased bolt, which holds the spring-loaded on the holding arms 132a, 132b bearing bush 134a and 134b resiliently biased in the operating position or in the park position.
  • the visor 132 forms with each support arm 132a, 132b a fork ( Fig. 6 ), in which with the visor ( Fig. 17 ) the wall of the helmet shell 36 is tightly received. With the visor 132 closed, this rests with its upper edge on the front edge of the helmet shell 36, and the lateral edges of the visor 132 abut against the outer surface of the helmet shell. Therefore, there is no possibility either when the visor is closed or when the helmet is in use, for example in forestry work, that branches can hook on the retaining arms 132a, 132b or on the visor 132 and jeopardize the helmet wearer.
  • the tensioning unit 48 is in addition to the hearing protection 34 other helmet accessories, which is like the hearing protector 34 always within the outline of the helmet shell 36, so that even in the region of the clamping unit 48 no protruding parts are present, where obstacles could get caught.
  • the clamping unit 48 will with reference to the drawings, in particular the Fig. 12-16 , described.
  • Fig. 12 shows a side view of the interior trim assembly 40 of the protective helmet 30, in which the two ends of the neck band 46 are detachably connected in the neck region by the clamping unit 48.
  • Fig. 13 shows in a side view of the protective helmet 30, the interior trim assembly after Fig. 12 installed in the helmet shell 36, wherein the clamping unit 48 as in Fig.
  • Fig. 12 is shown in the tensioned state.
  • Fig. 14 shows the protective helmet Fig. 13 in a view from below.
  • Fig. 15 shows a cross-sectional view of the helmet 30 in the direction behind.
  • Fig. 16 shows in a partially broken view of the protective helmet 30 after Fig. 13 looking towards the front.
  • the clamping unit 48 comprises a holder 168, in which the free ends of the neck band 46 are inserted on both sides.
  • the holder 168 has square nubs, which can be brought into engagement with angular openings 176 of the neck band 46.
  • the length of the neck band 46 is roughly adjustable according to the head size. The adjustment is expedient so that the protective helmet 30 can be easily placed when not operated clamping unit.
  • the transmission lever 169 is according to Fig. 14 at one end by means of a hinge 170 at the in Fig. 12 connected to the lower end of the support shell 172.
  • the transmission lever 169 is at the other end according to Fig. 16 connected by means of a hinge 171 at an upper end of the holder 168 in the representation.
  • the actuation of the clamping unit 148 is effected by a latch flap 174, which according to Fig. 12 is connected by a hinge 173 to the bracket 168.
  • the latch flap 174 is provided below the hinge 173 on its side adjacent to the transmission lever 169 with a cam not visible in the drawings.
  • the latch flap 174 is closed as shown in FIG Fig. 12 is shown, is pivoted by the action of the cam on the transmission lever 169, the lower end of the bracket 168 away from the hinge 170 to the rear. This pivoting causes the tensioning of the neck band 46.
  • the tensioning unit 48 is braced in the neck region at the back of the head by the support shell 172.
  • the hinge 171 is associated with a non-visible in the drawings spring, which is arranged between the holder 168 and the transmission lever 169 so that the transmission lever 169 is urged with its hinge 170 in the direction of the lower end of the holder 168 with the latch plate 174 open.
  • another spring also not visible is effective, which endeavors to urge the support shell 172 into a position on a stop in which its upper end from the upper end of Bracket 168 is pivoted away.
  • the operation of the clamping unit 48 is effected by the latch flap 174.
  • the bracket 168 is pivoted about the hinge 171, so that the support shell 172 at its in the illustration in Fig. 12 bottom edge of the lower edge of the bracket 168 distance. This is the cocked position of the clamping unit, which in the Fig. 12 - 14 can be seen.
  • the latch flap 174 is pivoted counterclockwise and thus opened, the clamping unit 48 is opened.
  • the lower edge of the holder 168 can move in the direction of the hinge 170 on the support shell 172, so that the neckband 46 is relaxed and the protective helmet 30 can be put on and taken off.
  • the protective helmet 30 has been fitted, only the latch flap 174 needs to be folded down to secure the helmet 30 upside down. This can be done comfortably with one hand and also with glove.
  • the support shell 172 is covered on the front with a padding material piece 180.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Helmets And Other Head Coverings (AREA)

Claims (16)

  1. Casque de protection
    avec un bouclier de casque (36),
    avec une garniture intérieure comportant un module de construction (40) qui touche la tête et qui est formé au moins d'une bande de tête (44), d'une bande de nuque (46) et de plusieurs bandes porteuses (142, 144, 148), et
    avec des moyens pour attacher ce module de construction (40) au bouclier de casque (36),
    caractérisé en ce que les bandes porteuses (142, 144, 148) forment une corbeille porteuse (42), les moyens d'attachement comportent au moins trois bras porteurs rigides (54, 55, 56) formés sous forme d'entretoise qui sont formés à la corbeille porteuse (42) et qui saillissent de la corbeille porteuse (42) dans les angles des tempes obliquement vers le bas et, dans la partie postérieure de la tête, à l'arrière,
    et le bouclier de casque (36) et les bras porteurs (54, 55, 56) sont dimensionnés de sorte qu'un espace libre (60) existe entre le module de construction de garniture intérieure (40) et le bouclier de casque (36), qui s'étend de manière continue autour de la garniture intérieure afin de recevoir des accessoires de casque et des dispositifs de fixation (80, 84) pour des accessoires de casque supplémentaires, les accessoires de casque comportant au moins des coquilles de protection de l'ouie (35a, 35b) avec des étriers (37a, 37b), les accessoires supplémentaires comportant au moins la protection de l'ouie (34) et un protecteur facial (32).
  2. Casque de protection selon la revendication 1, caractérisé en ce que la corbeille porteuse (42) est formée d'un matériau raide et élastiquement pliable et en ce que les bras porteurs (54, 55, 56) sont attachés chacun par ses terminaisons libres au bouclier de casque (36).
  3. Casque de protection selon la revendication 1 ou 2, caractérisé en ce que le dispositif d'attachement (80) pour la protection de l'ouie (34) comporte deux points de support (80a, 80b) de la protection de l'ouie à l'intérieur du bouclier de casque (36) dans lesquels les étriers (37a, 37b) sont maintenus pivotablement avec les coquilles de protection de l'ouie (35a, 35b).
  4. Casque de protection selon la revendication 3, caractérisé en ce que les points de support (80a, 80b) de la protection de l'ouie et les étriers (37a, 37b) sont agencés et formés de sorte que les étriers (37a, 37b) dans l'espace libre (60) peuvent être pivotés chacun entre deux positions, soit, une position d'opération, dans laquelle les coquilles de protection de l'ouie (35a, 35b) couvrent les oreilles, et une position de garage, dans laquelle les coquilles de protection de l'ouie (35a, 35b) sont casées dans l'espace libre (60).
  5. Casque de protection selon l'une des revendications 2 à 4, caractérisé en ce que le dispositif d'attachement (84) pour le protecteur facial (32) comporte deux points de support (80a, 80b) du protecteur facial à l'intérieur du bouclier de casque (36), dans lesquelles deux bras porteurs (132a, 132b) d'une visière (132) sont maintenus pivotablement.
  6. Casque de protection selon la revendication 5, caractérisé en ce que les points de maintien (84a, 84b) du protecteur facial et les bras porteurs (132a, 132b) sont agencés et formés de sorte que chacun des bras (132a, 132b) dans l'espace libre (60) est pivotable entre deux positions, soit, une position d'opération, dans laquelle la visière (132) protège la face, et une position de garage, dans laquelle la visière (132) est agencée en étroit contact sur la surface extérieure du bouclier de casque (36).
  7. Casque de protection selon l'une des revendications 2 à 6, caractérisé en ce que l'une des bandes porteuses (148) est agencée sur la corbeille porteuse (42) au bord inférieure de celle-ci et formée avec une circonférence fermée et en ce que les bras porteurs (54, 55, 56) sont formés sur la bande porteuse (148) qui possède ladite circonférence fermée.
  8. Casque de protection selon la revendication 7, caractérisé en ce que la bande de nuque (46) est attachée à la corbeille porteuse (42) et comporte deux terminaisons liées dans la zone de la nuque de façon défaisable par une unité de serrage (48) reçue en tant qu'accessoire de casque supplémentaire de plus dans l'espace libre (60).
  9. Casque de protection selon la revendication 8, caractérisé en ce que l'unité de serrage (48) comporte un bouclier d'appui, qui peut être serré contre la partie postérieure de la tête d'un porteur du casque (30) à l'aide d'un clapet de verrou lors du serrage de la bande de nuque (46).
  10. Casque de protection selon l'une des revendications 2 à 9, caractérisé en ce que les bras porteurs (54, 55) qui saillissent dans les deux zones des tempes vers le bas comportent des moyens pour être fixés de façon défaisable à l'intérieur au bouclier de casque (36).
  11. Casque de protection selon la revendication 10, caractérisé en ce que les moyens de fixation sont formés, sur chacun des bras porteurs (54, 55) qui saillissent vers le bas, de sorte qu'ils peuvent être imbriqués avec le bouclier de casque (36) par le biais de surfaces complémentaires.
  12. Casque de protection selon l'une des revendications 2 à 11, caractérisé en ce que le bras porteur (56) qui saillit vers l'arrière dans la partie postérieure de la tête comporte un dispositif d'encliquetage (56a, 56b) pour être fixé au bouclier de casque (36).
  13. Casque de protection selon la revendication 5, caractérisé en ce que les points de support (84a, 84b) du protecteur facial sont formés sous forme de connecteur (136a, 136b) embrochés au-dessus des bras porteurs (54, 56) sur les saillies en forme de bâton.
  14. Casque de protection selon la revendication 11, caractérisé en ce que les moyens de fixation comportent, sur chacun des bras porteurs (54, 55) qui saillissent vers le bas, des ouvertures de passage (156, 158), dont chacune saisit des saillies en forme de bâton (74a, 74b) au bouclier de casque (36) sur une longueur qui est au moins égale à la largeur intérieure (156, 158), de sorte qu'une force exercée du haut sur les bras porteurs (54, 55, 56) par une charge du casque (30) crée un moment aux bras porteurs (54, 55, 56) qui tend à déformer le bouclier de casque (36) vers l'intérieur jusqu'à son bord inférieur.
  15. Casque de protection selon l'une des revendications 1 à 14, caractérisé en ce que la corbeille porteuse (42) comporte deux bras de support (47a, 47b) qui saillissent vers le bas, la bande de nuque (46) pouvant être fixée à chacun de ces bras de support à une hauteur qui peut être choisie.
  16. Casque de protection selon la revendication 15, caractérisée en ce que les bras porteurs (54, 55, 56) et les bras de support (47a, 47b) sont rendus encore plus raides par des renforts (152) formés sur ceux-ci.
EP11730983.1A 2010-07-13 2011-07-12 Casque de protection destiné notamment à des ouvriers forestiers Active EP2498636B8 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201130058T SI2498636T1 (sl) 2010-07-13 2011-07-12 Zaščitna čelada, še zlasti za gozdne delavce
PL11730983T PL2498636T3 (pl) 2010-07-13 2011-07-12 Kask ochronny, zwłaszcza dla robotników leśnych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010027012 DE102010027012A1 (de) 2010-07-13 2010-07-13 Schutzhelm, insbesondere für Forstarbeiter
PCT/EP2011/061879 WO2012007472A1 (fr) 2010-07-13 2011-07-12 Casque de protection destiné notamment à des ouvriers forestiers

Publications (3)

Publication Number Publication Date
EP2498636A1 EP2498636A1 (fr) 2012-09-19
EP2498636B1 true EP2498636B1 (fr) 2013-06-19
EP2498636B8 EP2498636B8 (fr) 2015-10-28

Family

ID=44510084

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Application Number Title Priority Date Filing Date
EP11730983.1A Active EP2498636B8 (fr) 2010-07-13 2011-07-12 Casque de protection destiné notamment à des ouvriers forestiers

Country Status (24)

Country Link
US (1) US9179728B2 (fr)
EP (1) EP2498636B8 (fr)
JP (1) JP6046613B2 (fr)
KR (1) KR101906608B1 (fr)
CN (1) CN103052330B (fr)
AU (1) AU2011278393B2 (fr)
BR (1) BR112013000588B1 (fr)
CA (1) CA2804406C (fr)
CL (1) CL2013000118A1 (fr)
DE (1) DE102010027012A1 (fr)
DK (1) DK2498636T3 (fr)
EA (1) EA020680B1 (fr)
ES (1) ES2428085T3 (fr)
HK (1) HK1184028A1 (fr)
HR (1) HRP20130837T1 (fr)
MX (1) MX2013000458A (fr)
MY (1) MY162952A (fr)
NZ (1) NZ606373A (fr)
PE (2) PE20150304A1 (fr)
PL (1) PL2498636T3 (fr)
SI (1) SI2498636T1 (fr)
UA (1) UA109444C2 (fr)
WO (1) WO2012007472A1 (fr)
ZA (1) ZA201300327B (fr)

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DE102007053190A1 (de) * 2007-11-06 2009-05-07 Bullard Gmbh Schutzhelmsystem
KR101236728B1 (ko) * 2010-12-13 2013-02-25 주식회사 오토스윙 용접 마스크용 힌지 결합구조
US8850624B2 (en) * 2011-05-23 2014-10-07 Honeywell International, Inc. Headgear with a spring buffered occipital cradle

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HK1184028A1 (zh) 2014-01-17
CN103052330B (zh) 2016-03-16
US9179728B2 (en) 2015-11-10
EA020680B1 (ru) 2014-12-30
CL2013000118A1 (es) 2013-07-19
EP2498636B8 (fr) 2015-10-28
EA201300110A1 (ru) 2013-06-28
CA2804406C (fr) 2018-05-01
NZ606373A (en) 2015-02-27
JP6046613B2 (ja) 2016-12-21
HRP20130837T1 (hr) 2013-10-25
BR112013000588B1 (pt) 2021-09-21
US20130205477A1 (en) 2013-08-15
CA2804406A1 (fr) 2012-01-19
ZA201300327B (en) 2014-04-30
BR112013000588A2 (pt) 2020-10-13
UA109444C2 (xx) 2015-08-25
PL2498636T3 (pl) 2014-01-31
DK2498636T3 (da) 2013-09-23
DE102010027012A1 (de) 2012-01-19
PE20150304A1 (es) 2015-03-08
MY162952A (en) 2017-07-31
ES2428085T3 (es) 2013-11-06
PE20131310A1 (es) 2013-11-29
JP2013531146A (ja) 2013-08-01
AU2011278393B2 (en) 2016-06-09
SI2498636T1 (sl) 2013-11-29
CN103052330A (zh) 2013-04-17
AU2011278393A1 (en) 2013-02-07
WO2012007472A1 (fr) 2012-01-19
KR101906608B1 (ko) 2018-10-10
KR20130135230A (ko) 2013-12-10
MX2013000458A (es) 2013-12-02
EP2498636A1 (fr) 2012-09-19

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