EP2019178B1 - Lock with articulated rods - Google Patents

Description

The present invention relates to a hinged bar lock comprising a lock body and a hinge bar having first and second ends, the first end permanently connected to the lock body, and the second end connectable to the lock body at a lock portion of the lock body. A bolt provided on the lock body can be selectively moved to a locking position in which the latch engages the second end of the hinge bar when it is connected to the lock body, or the latch can be moved to a release position in which the second end of the Articulated bar is released for removal from the lock body.

Such a hinged bar lock is off DE 10 2005 040 066 A1 known and used, for example, to secure a bicycle to a bicycle stand, a lamp post or the like. For this purpose, one after the other or in a row articulated hinged joint rods of the hinge bar are unfolded, and a closing rod on which the second end of the hinge bar is formed is locked to the lock body, thereby forming a closed loop. This closed loop may, for example, engage around a frame portion of the bicycle and the bicycle stand, lamp post or the like, or the hinged bar handle encloses only a rim of the bicycle to prevent unauthorized persons from driving away.

In the known articulated bar lock a lock cylinder is used, which is rotatably actuated by an associated key or other identification means to move the latch selectively in the locked position or in the release position.

The disadvantage here, however, is that inevitably a key must be carried, which is also subject to the risk of being lost. Many two-wheelers therefore prefer locks with a number locking mechanism to secure their bicycles. In a conventional arrangement of a numerical locking mechanism, for example on a cable lock, one end face of the numerical locking mechanism is freely accessible when the lock is open in order to be able to insert a lock bolt axially. However, such an arrangement is not readily feasible in a hinged bar lock.

document EP 1536 091 A1 discloses a trained as articulated lock padlock with the features of the preamble of claim 1.

document US 5406811 shows a hinged bar lock with a numerical locking mechanism.

document WO 2006/016280 A2 describes a padlock in which a predetermined breaking function is provided between an actuating rod and a button attached thereto.

The invention has for its object to provide a hinged bar lock with a numerical locking mechanism that is easy to use, the lock body has a small size and has an improved security against breakage.

This object is achieved by a hinged bar lock with the features of claim 1.

The number locking mechanism is intended to block the latch in said locking position or to release it for movement into said release position. The numerical locking mechanism may be a known number-locking mechanism having a plurality of juxtaposed, rotatable number rings that release the bolt of the toggle lock when setting a release number combination corresponding to a predetermined rotational position of the number rings to each other block the bar with other number combinations or rotary positions.

The number-closing mechanism and the actuator are disposed on different sides with respect to the lock portion of the lock body. The bolt is biased in the locking position. Thus, the latch - if it is released by the number-locking mechanism - can be moved into the release position by simply pressing on the coupled via the connecting portion with the latch actuator. The actuating device is thus in particular a feeler device.

In this way it can be achieved that the locking and unlocking of the second end of the hinge rod bracket on the lock body is particularly easy and comfortable possible when the number locking mechanism is in a position in which the latch is released. For example, can be pressed to lock the actuator, then inserted the second end of the hinge rod bracket in the locking portion of the lock body and finally the actuator are released again. To unlock, in turn, first the actuator pressed, then removed the second end of the hinge rod bracket from the lock area of the lock body and finally the actuator are released again.

By biasing the latch to the latching position, unsecure retention of the second end of the hinged latch bracket to the latch portion of the latch body is possible even when the numerical locking mechanism is set to the above release-number combination, i. if the latch is not locked in the locked position. This ensures, on the one hand, that the number-locking mechanism does not have to be adjusted at the same time when locking the hinged-rod bracket on the lock body. On the other hand, unlocking the second end of the hinged bar handle after setting the release number combination is not released directly and uncontrollably from the locking area of the lock body.

Furthermore, the lock body of the hinge pin lock can be made particularly compact due to the simple structure of the locking mechanism.

According to a preferred embodiment, said connecting portion, which couples the actuator to the latch, is fixedly connected to the latch, in particular an integral part of the latch.

According to a further embodiment of the invention, the connecting portion with respect to the longitudinal axis of the bolt, which corresponds to the axis of rotation of the numerical locking mechanism, laterally offset. Due to the eccentric arrangement of the connecting portion with respect to the longitudinal axis of the bolt, a breaking tool, such as a screwdriver, which is forcibly inserted into the housing channel for the connecting portion, does not easily penetrate into the locking channel and thus into the area of the numerical locking mechanism. Thus, the security against breakage of the toggle bar lock can be increased.

The connecting portion is formed weaker, in particular, the connecting portion has a smaller cross-sectional area than the part of the bolt, which is arranged in the locking position of the bolt in the locking region of the lock body. In the case of a break-in attempt, the connecting portion thus acts as a predetermined breaking point. If the connecting portion is broken, the bolt can not be moved and remains in the locking area of the lock housing, so that the second end of the hinged bar is blocked against removal from the lock body. It is sufficient if the connecting portion is formed weaker at least at one point, as the located in the locking position in the locking portion of the bolt.

The second end of the hinged bar handle has an outwardly open passage slot which extends in particular parallel to the removal direction of the hinged bar handle. This passport passes inwardly into a latch receiving opening, which is widened with respect to the passage slot. The latch receiving aperture is adapted to permit engagement of the latch in the second end of the hinge bar strap to lock the second end of the hinge bar strap to the latch portion of the latch body. The width of the passage slot is smaller than the extension of the bolt receiving opening in the corresponding direction to prevent in the locking position of the bolt a threading of the bolt through the slot. The width of the passage slot corresponds to the width of the connecting portion or is greater than the width thereof, so that the second end of the hinge rod can be inserted into or removed from the lock body, in spite of the connecting portion penetrating the locking portion. The pass-through slot is preferably formed at the axial end of the closing rod of the articulated rod bracket in order to allow axial insertion of the locking rod into the locking region of the lock body with respect to the longitudinal axis of the locking rod. In principle, however, the pass-through slot can also be formed laterally of the axial end of the locking bar at the second end of the hinge rod bracket, in order to enable lateral pivoting of the second end of the hinge rod bracket into the locking region of the lock body.

Preferably, the locking portion of the lock body comprises a support portion which engages in the bolt receiving opening of the second end of the hinge bar, wherein the width of the support portion corresponds at most to the width of the aforementioned pass slot. This allows the latch located in the locking position to be supported on the support portion of the lock body. The latch is then stabilized with respect to a lateral application of force, for example when trying to forcibly pull the second end of the hinge bar out of the latch body, without the latch engaging a housing portion of the latch body beyond the latching area, that is, beyond the plane of movement of the latch bar got to. As a result, the stability of the articulated bar lock can be increased. The increased stability is achieved with a minimum axial stroke of the bolt, whereby an advantageous size of the lock body is made possible. Since the width of the support portion corresponds at most to the width of the passage slot, it can be ensured that the support section does not hinder the insertion of the second end of the hinge rod bracket into the locking region of the lock body.

In particular, it can be provided that the support section of the lock body engages in a support section receptacle formed on the end of the latch facing the connection section, wherein the latch adjacent to the support section receptacle has a blocking region, which optionally abuts against the support section. As a result, the stability of the articulated bar lock can be further increased

The bolt has at the connecting portion axially facing the end of a thickening, which is arranged in the locking position of the bolt in the locking region of the lock body. By thickening a laterally offset arrangement of the connecting portion relative to the longitudinal axis of the bolt can be facilitated. In addition, the contact area with which the latch cooperates lockingly with the second end of the hinged bar handle can be increased. Furthermore, the formation of a support section receptacle in the bolt can be facilitated. The thickening is preferably formed as a disc section. The thickening may be arranged eccentrically to the longitudinal axis of the bolt.

Furthermore, it is preferable if the number-closing mechanism has a number-combination adjusting mechanism disposed at the axial end of the number-closing mechanism opposite to the locking portion. As a result, the adjustment is easily accessible when a new release number combination is to be set. The Zahlenkombinationsverstellmechanismus may be a per se known Zahlenkombinationsverstellmechanismus.

It is also advantageous if the second end of the hinge rod is hardened. As a result, the security against breakage of the toggle bar lock can be further increased.

Further embodiments of the invention defined by the main claim are set forth in the subclaims, the description and the drawing.

The invention will now be described by way of example only with reference to the drawings.

Fig. 1

eine perspektivische Ansicht eines Gelenkstabschlosses von schräg oben,

Fig. 2

eine Querschnittsansicht des Gelenkstabschlosses von Fig. 1,

Fig. 3

eine Explosionsansicht des Gelenkstabschlosses von Fig. 1, und

Fig. 4

vergrößerte Perspektivansichten des in den Fig. 2 und 3 sichtbaren Riegels.

They show, in each case in a schematic representation,

Fig. 1

a perspective view of a hinged bar lock obliquely from above,

Fig. 2

a cross-sectional view of the toggle lock of Fig. 1 .

Fig. 3

an exploded view of the toggle bar lock of Fig. 1 , and

Fig. 4

enlarged perspective views of the in Fig. 2 and 3 visible bolt.

The articulated bar lock shown has a lock body 11 and a hinged rod bracket 13 attached thereto. The articulated rod bracket 13 can, as in particular in FIGS Fig. 1 and 2 is shown folded into a compact unit and locked in this state also on the lock body 11. However, the Gelenkstabbügel 13 can also be unfolded (not shown) to a known per se To form a loop and thereby lock a bicycle or to another object, such as a bicycle stand to secure.

Specifically, the Gelenkstabbügel 13 has a plurality of hinge rods 15, one of which is designed as a closing rod 17. The joint rods 15, 17 are each formed flat and made of hardened steel. The articulated rods 15, 17 are hinged to one another in sequence in such a way by a respective rivet 19 that the articulation axes run parallel to one another and the articulated rod bracket 13 can be folded together in the manner of a folding rule. In the folded state of the hinge rod bracket 13, the longitudinal axes of the hinge rods 15, 17 extend in a plane parallel to each other.

A first end 21 of the thus formed Gelenkstabbügels 13 is permanently articulated to the lock body 11. A second end 23 of the Gelenkstabbügels 13 is formed by the free end of the closing rod 17. At its free end, the lock bar 17 has Fig. 3 an outwardly open passing slot 31 formed along the longitudinal axis of the lock bar 17. The passage slot 31 merges at its inner end into a circular latch receiving opening 41 whose diameter is greater than the width of the passage slot 31.

The lock body 11 has an elongate housing 25, for example made of hardened steel, with a longitudinal axis which runs parallel to the joint axes of the joint rods 15, 17.

At a first end 27 of the housing 25, a laterally projecting mounting portion 29 is integrally formed on the housing 25, to which the first end 21 of the Gelenkstabbügels 13 is articulated. Further, the housing 25 has at the first end 27 frontally a mounting opening 35, which opens into a cavity of the housing 25. Through the mounting hole 35, a lock mechanism is inserted into the housing 25, which includes an elongate latch 53 and a number-lock mechanism 47. The number-closing mechanism 47 has at its the mounting opening 35 end facing a Zahlenkombinationsverstellmechanismus. The mounting opening 35 is closed by a shutter disc 45 held by means of a securing ring 37.

At a first end 27 opposite the second end 33, the housing 25 has a side receptacle 39. The side receptacle 39 is formed on a hinge bar 13 facing side surface of the housing 25 and serves to receive the second end 23 of the Gelenkstabbügels 13 and the free end of the Locking bar 17. The side receptacle 39 enters a locking area 59 (FIG. Fig. 2 ) of the lock body 11, in which the second end 23 of the Gelenkstabbügels 13 is when the locking bar 17 is completely inserted through the side receptacle 39 in the lock body 11. The extent of the locking portion 59 along said longitudinal axis of the housing 25 is determined by the clear height of the side receptacle 39, which in turn corresponds to the height of the free end 23 of the locking bar 17.

If the closing bar 17 is inserted into the side receptacle 39, the closing bar 17 is enclosed by the boundary of the side receptacle 39 of the housing 25 substantially in a form-fitting manner. At the second end 33 of the housing 25, a flat strap support 43 is integrally formed on the housing 25, which projects laterally from the housing 25 in alignment with the attachment section 29 at the first end 27 of the housing 25. The distance between the attachment portion 29 and the temple support 43 along the longitudinal axis of the housing 25 corresponds to the thickness or height of the folded hinge bar 13.

The arranged in the cavity of the housing 25 numerical locking mechanism 47 comprises a plurality of juxtaposed, rotatable number rings 49 which form a latch channel, in which the latch 53 is inserted. The number rings 49 are adapted to allow each other at an adjustable predetermined rotational position an axial movement of the bolt 53 along its longitudinal axis, whereas in all other rotational positions of the number rings 49 to each other axial movement of the bolt 53 is blocked. For this purpose, the latch 53 has several along its longitudinal extent alternately arranged lateral elevations and depressions. The predetermined rotational position, which may also be referred to as a latch release position, corresponds to a predetermined release-number combination which can be set in a known manner by the abovementioned number combination adjustment mechanism. By means of the numerical locking mechanism 47, an axial movement of the bolt 53 with respect to its longitudinal axis can therefore be selectively blocked or released.

The latch 53 protrudes from the latch channel formed by the number-closing mechanism 47 toward the second end 33 of the housing 25. At the second end 33 of the housing 25 facing the end of the bolt 53 is formed as a disc portion 57 ( Fig. 3 . 4 ), wherein the disc portion 57 is dimensioned larger in a direction radial to the longitudinal axis of the bolt 53, as the remaining portion of the bolt 53. The disc portion 57 is thereby arranged eccentrically to the longitudinal axis of the bolt 53.

On the disc portion 57 of the bolt 53, an elongated connecting portion 55 is integrally formed, on which a button 51 is attached. The connecting portion is laterally with respect to the longitudinal axis of the bolt 53 offset and arranged on an outer periphery of the disc portion 57. With respect to the lock portion 59, the key 51 is disposed opposite to the number-lock mechanism 47, that is, the key 51 is disposed on a different side of the lock portion 59 than the number-lock mechanism. Instead of a separate pushbutton 51, a pushbutton section can be formed integrally in extension of the connecting section 55.

In Fig. 2 the bolt 53 is shown in the locking position, ie the bolt 53 engages in the second end 23 of the Gelenkstabbügels 13, wherein the latch 53 is biased by means of an inside of the shutter disc 45 supporting spring 65 in the direction of the locking position. More specifically, the disk portion 57 of the bolt 53 engages with the bolt receiving opening 41 of the lock bar 17, preventing retraction of the lock bar 17 from the lock body 11 due to the smaller width of the passport slot 31 with respect to the diameter of the disk portion 57. The connecting portion 55 extends in the locking position of the bolt 53 through the formed in the second end 23 of the Gelenkstabbügels 13 Passierschlitz 31 therethrough.

In addition, the latch 53 has at its end facing the second end 33 of the housing 25, ie at the disc section 57, a support section receptacle 63 arranged adjacent to a blocking region 67 of the disc section 57 ( Fig. 4 ) into which a support section 61 (FIG. Fig. 2 ) of the lock body 11, wherein the support portion 61 is formed on an inner side of the second end 33 of the housing 25. In this way, an effective support of the bolt 53 can be achieved, if it should be attempted to pull the closing rod 17 forcibly from the lock body 11. The width of the support portion 61 corresponds in about the width of the passage slot 31 of the second end 23 of the hinge bar 13, so as not to hinder the insertion of the second end 23 of the hinge bar 13 in the lock body 11.

In order to enable a release of the locking rod 17 of the lock body 11, the latch 53 by pressing the button 51, which is retractable in an outer recess of the housing 25, via the connecting portion 55 and against the bias of the spring 65 in a release position (not shown ) emotional. However, this presupposes that the number-closing mechanism 47 does not block the movement of the bolt 53. By moving the latch 53 to the release position, the disc portion 57 of the latch 53 is temporarily disengaged from the latch receiving hole 41 of the lock rod 17, so that the lock rod 17 can be pulled out of the lock portion 59 and the side socket 39 of the lock body 11. Although the connecting portion 55 is located in the locking portion 59. However, the connecting portion 55, the removal of the locking rod 17 is not in the way, since the width of the connecting portion 55 corresponds approximately to the width of formed in the locking bar 17 Passierschlitzes 31st

The articulated bar lock described with reference to the figures with the numerical locking mechanism allows due to the biased in the locking position latch and with respect to the locking portion opposite arrangement of the button and the numerical locking mechanism a particularly simple operation, while a small size of the lock body can be ensured.

LIST OF REFERENCE NUMBERS

11

lock body

13

Articulation rod bracket

15

joint staff

17

closing bar

19

rivet

21

first end of the hinged bar handle

23

second end of the hinged bar handle

25

casing

27

first end of the housing

29

attachment section

31

passing slot

33

second end of the housing

35

mounting hole

37

circlip

39

page recording

41

Lock receiving opening

43

Ironing edition

45

sealing washer

47

Number locking mechanism

49

number ring

51

button

53

bars

55

connecting portion

57

disk portion

59

locking area

61

support section

63

Support section mount

65

feather

67

blocking region

Claims (10)

1. A jointed bar lock having a lock body (11) and a jointed bar hoop (13) which has a first end (21) and a second end (23) which first end (21) is permanently connected to the lock body (11) and which second end (23) is connectable to the lock body (11) at a latching region (59) of the lock body (11), wherein a latch (53) provided at the lock body (11) is selectively movable into a latched position in which the latch (53) engages into the second end (23) of the jointed bar hoop (13), when said second end is connected to the lock body (11) or into a release position in which the second end (23) of the jointed bar hoop (13) is released for a removal from the lock body (11), wherein the lock has an actuation device (51) which is coupled to the latch (53) via a connection section (55) and by which the latch (53) is movable out of the latched position, in which the latch (53) is preloaded, into the release position, wherein the lock body (11) accommodates a combination locking mechanism (47) in order selectively to block or release the latch (53), wherein the actuation device (51) is arranged disposed opposite the combination locking mechanism (47) with respect to the latching region (59) of the lock body (11), wherein the second end (23) of the jointed bar hoop (13) has a latch mount (41) into which the latch (53) engages in the latched position, and wherein the connection section (55) is arranged in the latching region (59) of the lock body (11) in the release position of the latch (53),
   and wherein the second end (23) of the jointed bar hoop (13) has an outwardly open passage slot (31),
   characterised in that
   the width of the connection section (55) provided between the latch (53) and the actuation device (51) corresponds at most to the width of the passage slot (31), with the latch (53) having a thickened portion (57) at the end facing the connection section (55), said thickened portion being arranged in the latching region (59) of the lock body (11) in the latched position of the latch (53), and with the connection section (55) provided between the thickened portion (57) and the actuation device (51) being made weaker than the thickened portion (57).
2. A jointed bar lock in accordance with claim 1,
   characterised in that
   the connection section (55) is fixedly connected to the latch (53) and is in particular made in one piece.
3. A jointed bar lock in accordance with claim 1 or claim 2,
   characterised in that
   the connection section (55) is laterally offset with respect to the longitudinal axis of the latch (53).
4. A jointed bar lock in accordance with any one of the preceding claims,
   characterised in that
   the connection section (55) has a smaller cross-sectional area than the thickened portion (57) arranged in the latching region (59) of the lock body (11) in the latched position of the latch (53).
5. A jointed bar lock in accordance with any one of the preceding claims,
   characterised in that
   the actuation device (51) has a push button which is fixedly connected to the connection section (55); or in that the actuation device is formed by a push button section which is made in one piece with the latch (53) via the connection section (55).
6. A jointed bar lock in accordance with any one of the preceding claims,
   characterised in that
   the lock body (11) includes a support section (61) in the latching region (59) which engages into the latch mount (41) of the jointed bar hoop (13) when the second end (23) of the jointed bar hoop (13) is connected to the lock body (11), with the width of the support section (61) corresponding at most to the width of the passage slot (31).
7. A jointed bar lock in accordance with claim 6,
   characterised in that
   the support section (61) of the lock body (11) engages into a support section mount (63) of the latch (53) in the latched position of the latch (53), with the latch (53) having a blocking region (67) which is arranged against the removal direction of the jointed bar hoop (13) adjacent to the support section mount (63).
8. A jointed bar lock in accordance with any one of the preceding claims,
   characterised in that
   the thickened portion (57) is made as a plate section.
9. A jointed bar lock in accordance with any one of the preceding claims,
   characterised in that
   the combination locking mechanism (47) has a combination adjustment mechanism which is arranged at the end of the combination locking mechanism (47) disposed opposite the latching region (59).
10. A jointed bar lock in accordance with any one of the preceding claims,
    characterised in that
    the second end (23) of the jointed bar hoop (13) is hardened.

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