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EP0202769B1 - Pivot assemblies for umbrella ribs - Google Patents

Pivot assemblies for umbrella ribs Download PDF

Info

Publication number
EP0202769B1
EP0202769B1 EP86302863A EP86302863A EP0202769B1 EP 0202769 B1 EP0202769 B1 EP 0202769B1 EP 86302863 A EP86302863 A EP 86302863A EP 86302863 A EP86302863 A EP 86302863A EP 0202769 B1 EP0202769 B1 EP 0202769B1
Authority
EP
European Patent Office
Prior art keywords
flange portion
inner part
outer part
pivot assembly
ribs
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.)
Expired
Application number
EP86302863A
Other languages
German (de)
French (fr)
Other versions
EP0202769A3 (en
EP0202769A2 (en
Inventor
John Ralph Booth
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.)
Hoyland Fox Ltd
Original Assignee
Hoyland Fox Ltd
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
Application filed by Hoyland Fox Ltd filed Critical Hoyland Fox Ltd
Priority to AT86302863T priority Critical patent/ATE48514T1/en
Publication of EP0202769A2 publication Critical patent/EP0202769A2/en
Publication of EP0202769A3 publication Critical patent/EP0202769A3/en
Application granted granted Critical
Publication of EP0202769B1 publication Critical patent/EP0202769B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/10—Umbrella crowns
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/06—Umbrella runners

Definitions

  • This invention relates to pivot assemblies for umbrella ribs or struts, such as at a notch or runner.
  • a notch or a runner member for an umbrella prefferably be provided with pairs of lugs forming radial slots between which flattened ends of ribs or struts locate, the flattened ends and the lugs being provided with holes through which a wire is threaded to form pivot portions for the ribs or struts, and the ends of the wire being twisted together to secure it in place.
  • US 904349 discloses a two-part pivot assembly for a notch, where the two parts are held together by a separate spring arrangement in the shaft.
  • the object of the invention is to simplify the construction and fitting of the pivot assemblies for either notches or runners.
  • a pivot assembly for umbrella ribs or struts of the kind having a knob end adjacent a flattened portion comprises a notch or runner in two parts capable of being held together by a locking means and affording in the locked state radial slits, each of which leads to a cavity, so that, in use, the ribs or struts can pivot while the respective knob end is held captive in the cavity, wherein one of the parts is an inner part having a tubular body portion with a bore for fitting closely on an umbrella shaft and an outward annular flange portion adjacent one end of the tubular body portion, the other end of which is divided to form at least two tongues, and the other part is an outer part having a sleeve portion fitting closely on the body portion of the inner part and having an outward annular flange portion engaging the flange portion of the inner part so as to form the cavity for each slit, the slits being provided in one of the flange portions, there being an abutment
  • the knob ends of the ribs or struts held captive between the flange portions act as pivots for the ribs or struts, which are guided for swinging by the sliding fit of their flattened portions within the radial slits, from positions alongside the shaft to radial positions. Thus no separate pivot or pivots need to be formed and fitted.
  • a pivot assembly 1 for umbrella ribs or struts 2 comprises a notch ( Figure 1) or runner ( Figure 3) formed by inner and outer parts 3, 4, the inner part 3 having a bore 5 for fitting closely on an umbrella shaft 6 (indicated in broken lines) and an outward annular flange portion 7 adjacent one end of a tubular body portion 8 the other end of which is divided to form two tongues 9, though more could be used, and the outer part (4) having a sleeve portion 10 fitting closely on the body portion 8 of the inner part 3 and having an outward annular flange portion 11 engaging the flange portion 7 of the inner part, one of the flange portions being provided with radial slits 12 each of which leads to a cavity 13 formed between the flange portions.
  • the ribs or struts 2 each have a knob end 14 adjacent a flattened portion 15 for sliding in one of the radial slits 12 with the knob end held captive in the cavity 13 (see also Figures 2 and 4 in which only one rib or strut 2 is shown for simplicity), there being an engagement between the tongues 9 of the inner part and the sleeve portion 10 of the outer part to prevent them being separated after fitting on to the umbrella shaft 6.
  • the knob ends 14 of the ribs or struts 2 held captive between the flange portions 7, 11 act as pivots for the ribs or struts, which are guided for swinging by their flattened portions 15 within the radial slits 12, from positions alongside the shaft 6 (as shown at the right of Figures 1 and 3) to radial positions (as shown at the left in those Figures).
  • the radial slits 12 are formed in the flange portion 11 of the outer part 4 and individual cavities 13 for the knob ends 14 are formed by radiating pairs of webs 16 (see Figure 2) across an annular recess 17 in that flange portion.
  • the flange portion 7 of the inner part 3 has a generally U-shaped radial cross-section (minimising material whilst maximising strength) with the base 18 of the U effectively closing the cavities 13 in the flange portion of the outer part, and the outer limb 19 of the U is turned back outwards to form a rebate for location of a rim 20 of the flange portion 11 of the outer part 4.
  • the radial slits 12 are formed in the flange portion 7 of the inner part 3, and individual cavities 13 for the knob ends 14 are formed by radiating pairs of webs 21 (see Figure 4) across an annular recess 22 in that flange portion, the sleeve portion 10 of the outer part 4 has an extension 23 incorporating the usual catch (not shown) in a housing 24 at one side of the extension, and the flange portion 11 of the outer part has a generally U-shaped radial cross section (again minimising material whilst maximising strength) with radial webs 25 providing abutment for the knob ends 14.
  • a narrower U 26 formed round the outside of the flange portion 11 of the outer part 4 forms a rebate for location of rim 27 of the flange portion 7 of the inner part 3.
  • the engagement between the tongues 9 of the inner part 3 and the sleeve portion 10 of the outer part 4 has a snap action, which is shown provided by outward ribs or « barbs 28 on the tongues being pushed past a portion 29 of reduced diameter inside the sleeve portion, to prevent the two parts 3, 4 being separated after assembly with the ribs or struts 2 and before fitting on the umbrella shaft.
  • the two parts 3, 4 of both notch and runner can be formed conveniently of thermoplastics, and a separate cap or « ornament" 30 (see Figure 5) be provided for the top of the umbrella shaft 6 and the notch after the latter has been secured to the shaft by a pin 31.
  • each rib or strut 2 is conveniently formed by cropping the rod material (from which the ribs and struts are formed) a short distance beyond the end of its flattened portion 15.

Landscapes

  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Vehicle Body Suspensions (AREA)
  • Glass Compositions (AREA)

Abstract

A pivot assembly (1) for umbrella ribs or struts (2) comprises a notch (or runner) formed by an inner part (3) with a bore (5) for an umbrella shaft (6) and a flange portion (7) at one end of a body portion (8) the other end of which has two tongues (9), and an outer part (4) having a sleeve portion (10) on the body portion (8) of the inner part (3) and having a flange portion (11) engaging the flange portion (7) of the inner part. Ribs or "barbs" (28) on the tongues (9) prevent the inner part (3) and outer part (4) from being separated after fitting on the shaft (6). Each of a plurality of radial slits (12) in one flange portion (11) leads to a cavity (13) formed between the flange portions, and a knob end (14) of a rib or strut (2) is held captive in the cavity (13) to serve as a pivot as an adjacent flattened portion (15) slides in the slit (12).

Description

  • This invention relates to pivot assemblies for umbrella ribs or struts, such as at a notch or runner.
  • It is known for a notch or a runner member for an umbrella to be provided with pairs of lugs forming radial slots between which flattened ends of ribs or struts locate, the flattened ends and the lugs being provided with holes through which a wire is threaded to form pivot portions for the ribs or struts, and the ends of the wire being twisted together to secure it in place.
  • US 904349 (Moulton) discloses a two-part pivot assembly for a notch, where the two parts are held together by a separate spring arrangement in the shaft.
  • The object of the invention is to simplify the construction and fitting of the pivot assemblies for either notches or runners.
  • According to the present invention, a pivot assembly for umbrella ribs or struts of the kind having a knob end adjacent a flattened portion comprises a notch or runner in two parts capable of being held together by a locking means and affording in the locked state radial slits, each of which leads to a cavity, so that, in use, the ribs or struts can pivot while the respective knob end is held captive in the cavity, wherein one of the parts is an inner part having a tubular body portion with a bore for fitting closely on an umbrella shaft and an outward annular flange portion adjacent one end of the tubular body portion, the other end of which is divided to form at least two tongues, and the other part is an outer part having a sleeve portion fitting closely on the body portion of the inner part and having an outward annular flange portion engaging the flange portion of the inner part so as to form the cavity for each slit, the slits being provided in one of the flange portions, there being an abutment on the tongues of the inner part for engagement with the sleeve portion of the outer part to prevent them being separated after fitting on an umbrella shaft.
  • The knob ends of the ribs or struts held captive between the flange portions act as pivots for the ribs or struts, which are guided for swinging by the sliding fit of their flattened portions within the radial slits, from positions alongside the shaft to radial positions. Thus no separate pivot or pivots need to be formed and fitted.
  • Preferred embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which :
    • Figure 1 is an axial section through a notch for an umbrella and in accordance with the invention, the section being taken from the line I-I of Figure 2;
    • Figure 2 is a plan view of the outer part of the notch shown in axial section in Figure 1 ;
    • Figure 3 is an axial section through a runner for an umbrella and in accordance with the invention, the section being taken from the line lll-lll of Figure 4 ;
    • Figure 4 is an underneath plan view of the inner part of the runner shown in the axial section in Figure 3 ; and
    • Figure 5 is a cap or « ornament for the top of the umbrella shaft and the notch.
  • In Figures 1 and 3 a pivot assembly 1 for umbrella ribs or struts 2 comprises a notch (Figure 1) or runner (Figure 3) formed by inner and outer parts 3, 4, the inner part 3 having a bore 5 for fitting closely on an umbrella shaft 6 (indicated in broken lines) and an outward annular flange portion 7 adjacent one end of a tubular body portion 8 the other end of which is divided to form two tongues 9, though more could be used, and the outer part (4) having a sleeve portion 10 fitting closely on the body portion 8 of the inner part 3 and having an outward annular flange portion 11 engaging the flange portion 7 of the inner part, one of the flange portions being provided with radial slits 12 each of which leads to a cavity 13 formed between the flange portions.
  • The ribs or struts 2 each have a knob end 14 adjacent a flattened portion 15 for sliding in one of the radial slits 12 with the knob end held captive in the cavity 13 (see also Figures 2 and 4 in which only one rib or strut 2 is shown for simplicity), there being an engagement between the tongues 9 of the inner part and the sleeve portion 10 of the outer part to prevent them being separated after fitting on to the umbrella shaft 6.
  • The knob ends 14 of the ribs or struts 2 held captive between the flange portions 7, 11 act as pivots for the ribs or struts, which are guided for swinging by their flattened portions 15 within the radial slits 12, from positions alongside the shaft 6 (as shown at the right of Figures 1 and 3) to radial positions (as shown at the left in those Figures).
  • In the notch (Figure 1) the radial slits 12 are formed in the flange portion 11 of the outer part 4 and individual cavities 13 for the knob ends 14 are formed by radiating pairs of webs 16 (see Figure 2) across an annular recess 17 in that flange portion. The flange portion 7 of the inner part 3 has a generally U-shaped radial cross-section (minimising material whilst maximising strength) with the base 18 of the U effectively closing the cavities 13 in the flange portion of the outer part, and the outer limb 19 of the U is turned back outwards to form a rebate for location of a rim 20 of the flange portion 11 of the outer part 4.
  • In the runner (Figure 3) the radial slits 12 are formed in the flange portion 7 of the inner part 3, and individual cavities 13 for the knob ends 14 are formed by radiating pairs of webs 21 (see Figure 4) across an annular recess 22 in that flange portion, the sleeve portion 10 of the outer part 4 has an extension 23 incorporating the usual catch (not shown) in a housing 24 at one side of the extension, and the flange portion 11 of the outer part has a generally U-shaped radial cross section (again minimising material whilst maximising strength) with radial webs 25 providing abutment for the knob ends 14. A narrower U 26 formed round the outside of the flange portion 11 of the outer part 4 forms a rebate for location of rim 27 of the flange portion 7 of the inner part 3.
  • The engagement between the tongues 9 of the inner part 3 and the sleeve portion 10 of the outer part 4 has a snap action, which is shown provided by outward ribs or « barbs 28 on the tongues being pushed past a portion 29 of reduced diameter inside the sleeve portion, to prevent the two parts 3, 4 being separated after assembly with the ribs or struts 2 and before fitting on the umbrella shaft. Thus the two parts 3, 4 of both notch and runner can be formed conveniently of thermoplastics, and a separate cap or « ornament" 30 (see Figure 5) be provided for the top of the umbrella shaft 6 and the notch after the latter has been secured to the shaft by a pin 31.
  • The knob end 14 on each rib or strut 2 is conveniently formed by cropping the rod material (from which the ribs and struts are formed) a short distance beyond the end of its flattened portion 15.

Claims (9)

1. A pivot assembly (1) for umbrella ribs or struts (2) of the kind having a knob end adjacent a flattened portion, the assembly comprising a notch or runner in two parts (3, 4) capable of being held together by a locking means and affording in the locked state radial slits (12), each of which leads to a cavity (13), so that, in use, the ribs or struts can pivot while the respective knob end is held captive in the cavity (13), characterised in that one of the parts is an inner part (3) having a tubular body portion (8) with a bore (5) for fitting closely on an umbrella shaft (6) and an outward annular flange portion (7) adjacent one end of the tubular body portion (8), the other end of which is divided to form at least two tongues (9), and the other part is an outer part (4) having a sleeve portion (10) fitting closely on the body portion (8) of the inner part (3) and having an outward annular flange portion (11) engaging the flange portion (7) of the inner part (3) so as to form the cavity (13) for each slit, the slits being provided in one of the flange portions, there being an abutment on the tongues (9) of the inner part (3) for engagement with the sleeve portion (10) of the outer part (4) to prevent them being separated after fitting on an umbrella shaft (6).
2. A pivot assembly according to claim 1 and comprising a notch, characterised in that the radial slits (12) are formed in the flange portion (11) of the outer part (4) and individual cavities (13) for the knob ends (14) are formed by radial pairs of webs (16) across an annular recess (17) in that flange portion.
3. A pivot assembly according to claim 2, characterised in that the flange portion (7) of the inner part (3) has a generally U-shaped radial crosssection with the base (18) of the U effectively closing the cavities (13) in the flange portion (11) of the outer part (4), and the outer limb (19) of the U is turned back outwards to form a rebate for location of a rim (20) of the flange portion (11) of the outer part (4).
4. A pivot assembly according to claim 1 comprising a runner, characterised in that the radial slits (12) are formed in the flange portion (7) of the inner part (3), and individual cavities (13) for the knob ends (14) are formed by radial pairs of webs (21) across an annular recess (22) in that flange portion, the sleeve portion (10) of the outer part (4) has an extension (23) incorporating the usual catch in a housing (24) at one side of the extension, and the flange portion (11) of the outer part (4) has a generally U-shaped radial cross section with radial webs (25) providing abutment for the knob ends (14).
5. A pivot assembly according to claim 4, characterised in that a narrower U-section (26) formed round the outside of the flange portion (11) of the outer part (4) forms a rebate for location of a rim (27) of the flange portion (7) of the inner part (3).
6. A pivot assembly according to any preceding claim, characterised in that the engagement between the tongues (9) of-the inner part (3) and the sleeve portion (10) of the outer part (4) has a snap action.
7. A pivot assembly according to claim 6, characterised in that the snap action is provided by outward ribs or « barbs (28) on the tongues (9) being pushed past a portion (29) of reduced diameter inside the sleeve portion (10), to prevent the two parts (3, 4) being separated after assembly with the ribs or struts (2) and before fitting on the umbrella shaft (6).
8. A pivot assembly according to any preceding claim, characterised in that the two parts (3, 4) of the notch or runner are formed of thermoplastics.
9. A pivot assembly according to any preceding claim, characterised in that the knob end (14) on each rib or strut (2) is formed by cropping the rod material from which the ribs or struts are formed a short distance beyond the end of its flattened portion (15).
EP86302863A 1985-05-16 1986-04-17 Pivot assemblies for umbrella ribs Expired EP0202769B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86302863T ATE48514T1 (en) 1985-05-16 1986-04-17 LINKAGE FOR UMBRELLA POLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8512404 1985-05-16
GB08512404A GB2175202A (en) 1985-05-16 1985-05-16 Pivot assemblies for umbrella ribs &c

Publications (3)

Publication Number Publication Date
EP0202769A2 EP0202769A2 (en) 1986-11-26
EP0202769A3 EP0202769A3 (en) 1987-08-05
EP0202769B1 true EP0202769B1 (en) 1989-12-13

Family

ID=10579237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86302863A Expired EP0202769B1 (en) 1985-05-16 1986-04-17 Pivot assemblies for umbrella ribs

Country Status (4)

Country Link
EP (1) EP0202769B1 (en)
AT (1) ATE48514T1 (en)
DE (1) DE3667384D1 (en)
GB (1) GB2175202A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130276843A1 (en) * 2012-04-19 2013-10-24 Oliver Joen-An Ma Umbrella quick frame assembly systems and methods
EP3199053A1 (en) 2016-01-27 2017-08-02 Activa Leisure Inc. Quick connector for weather protection
USD813525S1 (en) 2016-12-21 2018-03-27 ZHUN-AN Ma Umbrella runner grip
USD814173S1 (en) 2016-12-21 2018-04-03 ZHUN-AN Ma Umbrella runner grip
US10060152B2 (en) 2015-09-14 2018-08-28 Oliver Joen-An Ma Components for shade structures
USD826543S1 (en) 2016-12-21 2018-08-28 ZHUN-AN Ma Umbrella housing
USD828995S1 (en) 2016-12-21 2018-09-25 ZHUN-AN Ma Umbrella housing
USD833137S1 (en) 2017-09-27 2018-11-13 ZHUN-AN Ma Umbrella hub
US10292466B2 (en) 2016-10-25 2019-05-21 ZHUN-AN Ma Umbrella rib connector assemblies and methods

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003927C2 (en) * 1996-08-30 1998-03-04 Maxx Worldwide Hinge between rib and crown of parasols with a diameter of more than 2 meters.
FR2854035A1 (en) * 2003-04-22 2004-10-29 Yves Michel Emile Fremont Umbrella/ parasol/sunshade ribs fixing device, has sliding loop with covers comprising notches to receive ends of ribs that are maintained by covers in notches of sliding loop
US9192215B2 (en) 2013-03-04 2015-11-24 Oliver Joen-An Ma Quick assembly methods and components for shade structures
US9078497B2 (en) 2013-03-06 2015-07-14 Oliver Joen-An Ma Quick connector hub for shade structure
US9433269B2 (en) 2014-02-25 2016-09-06 Oliver Joen-An Ma Quick assembly methods and components for shade structures
WO2017048868A1 (en) 2015-09-14 2017-03-23 Oliver Joen-An Ma Quick assembly methods and components for shade structures
CN207561480U (en) 2016-12-07 2018-07-03 宁波万汇休闲用品有限公司 Umbrella hub assembling structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US904349A (en) * 1908-02-28 1908-11-17 Walter E Moulton Top-notch for umbrellas.
IT1009845B (en) * 1974-04-12 1976-12-20 Redaelli Giuseppe & Fllo Spa UPGRADE TO UMBRELLAS

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130276843A1 (en) * 2012-04-19 2013-10-24 Oliver Joen-An Ma Umbrella quick frame assembly systems and methods
US9498030B2 (en) * 2012-04-19 2016-11-22 Oliver Joen-An Ma Umbrella quick frame assembly systems and methods
US10034524B2 (en) 2012-04-19 2018-07-31 ZHUN-AN Ma Umbrella quick frame assembly systems and methods
US10060152B2 (en) 2015-09-14 2018-08-28 Oliver Joen-An Ma Components for shade structures
EP3199053A1 (en) 2016-01-27 2017-08-02 Activa Leisure Inc. Quick connector for weather protection
US10292466B2 (en) 2016-10-25 2019-05-21 ZHUN-AN Ma Umbrella rib connector assemblies and methods
USD813525S1 (en) 2016-12-21 2018-03-27 ZHUN-AN Ma Umbrella runner grip
USD814173S1 (en) 2016-12-21 2018-04-03 ZHUN-AN Ma Umbrella runner grip
USD826543S1 (en) 2016-12-21 2018-08-28 ZHUN-AN Ma Umbrella housing
USD828995S1 (en) 2016-12-21 2018-09-25 ZHUN-AN Ma Umbrella housing
USD833137S1 (en) 2017-09-27 2018-11-13 ZHUN-AN Ma Umbrella hub

Also Published As

Publication number Publication date
EP0202769A3 (en) 1987-08-05
ATE48514T1 (en) 1989-12-15
EP0202769A2 (en) 1986-11-26
GB8512404D0 (en) 1985-06-19
GB2175202A (en) 1986-11-26
DE3667384D1 (en) 1990-01-18

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