EP0055882B1 - Door-locking mechanisms for security enclosures - Google Patents
Door-locking mechanisms for security enclosures Download PDFInfo
- Publication number
- EP0055882B1 EP0055882B1 EP81201407A EP81201407A EP0055882B1 EP 0055882 B1 EP0055882 B1 EP 0055882B1 EP 81201407 A EP81201407 A EP 81201407A EP 81201407 A EP81201407 A EP 81201407A EP 0055882 B1 EP0055882 B1 EP 0055882B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- boltwork
- locking mechanism
- lock
- door
- mechanism according
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0075—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like
Definitions
- the present invention relates to locking mechanisms for the doors of safes, vaults, strong- rooms and the like security enclosures.
- the door of a safe or the like enclosure prefferably be locked by means of bolts thrown from the door into engagement with the surrounding frame, for which purpose there is provided an externally-accessible handle or the like control member which drives the boltwork through a mechanical transmission mounted within the door, the same mechanism, of course, being used to withdraw the bolts when the door is to be opened.
- This boltwork is in turn locked in its thrown condition by the operation of one or more locks which may, for example, throw bolts into engagement with portions of the main boltwork to resist the subsequent withdrawal of the main bolts.
- the invention seeks to provide an improved boltwork isolating arrangement in a door locking mechanism generally as described above, and which in particular can achieve reliably this disengaging function with a minimum of moving parts and a minimum space requirement.
- a locking mechanism for the door of a security enclosure which includes: boltwork mounted within the door; a control member accessible from outside the door; a mechanical transmission for coupling said control member to the boltwork for throwing and withdrawing the same; one or more locks mounted within the door for selectively locking the boltwork in its thrown condition; and means mounted within the door for selectively disengaging the coupling of said control member to the boltwork when in its thrown condition;
- the mechanical transmission includes a pair of coaxial rotary members, a first of which is caused to rotate in either sense by corresponding movement of said control member and the second of which is adapted to engage the first within the door in order to transmit movement of the control member to the boltwork; and the disengaging means are operable to relatively displace said pair of rotary members in the axial sense thereby to disengage the coupling between them.
- the engagement of the two rotary members may be established by means of a non-circular portion of one of the members entering a complementary non-circular recess in the other, so as to provide both for the transmission of rotary motion between the two members and for the required relative axial motion on disengagement.
- one of the pair of rotary members has a face inclined to the axis of those members and the member with the inclined face is displaced axially relative to the other member when the disengaging means are operated, by virtue of the camming action of an operating member thrust against said inclined face, preferably in a radial direction relative to said axis.
- the disengaging means are operatively associated with a said lock for selectively locking the boltwork in its thrown condition, whereby operation of the lock acts also to disengage the coupling between the pair of rotary members as aforesaid.
- the aforesaid operating member may comprise the bolt of a lock which serves to lock the boltwork by its engagement with part of the said transmission.
- the locks are preferably arranged on opposite sides of the said axis and each has a bolt engageable with a respective said inclined face.
- the disengaging means could be embodied e.g. as an independent key or combination operated mechanism, separate from any such lock, if desired.
- the aforesaid second rotary member which is displaced to effect the required disengagement, and this member may be borne with limited freedom for axial motion in a complementary slot in the next succeeding member of the transmission such that rotation of the second rotary member is transmitted into rotation of said succeeding member.
- This succeeding member may constitute the part of the transmission with which the lock bolt(s) engage to lock the boltwork in an arrangement as indicated in the preceding paragraph.
- the invention is furthermore concerned with improving the security of the boltwork itself in a safe door or the like.
- bolts which are thrown from the door edges into engagement with the surrounding frame are well supported over an appreciable axial length with the door, in order to resist attempts at twisting the bolts in their mountings, by use of explosives or jacks for example; this is particularly so in the case of bolts thrown from the door edges which are parallel to the hinge line - i.e. from the vertical (side) door edges. If such support for the bolts is to be achieved it follows that the bolts will occupy at least a substantial proportion of the width of the door, if not the entire width, when withdrawn.
- the illustrated locking and isolating unit A includes a mounting block 1 which is secured within a steel pan 2 on the inside face of the safe door.
- Two locks 3 and 4 are mounted to the block 1, in the illustrated example lock 3 being a combination lock and lock 4 being a keylock, although other permutations of lock type are possible.
- the boltwork of the door is operated by turning an external handle (not shown) mounted on the end of a shaft 5, it being necessary to establish a driving connection between the shaft 5 and a coaxial thrower 6 borne by the block 1 if the turning of the handle is to be effective to throw or withdraw the boltwork. Movement of the thrower 6 is transmitted to the boltwork through four drive rods 7-10 pinned to the thrower (of which three are seen in Figure 1), as will be more fully described hereafter.
- the thrower 6 has a longitudinal slot 11 within which is borne a drive element 12 of rectangular cross- section.
- This drive element is capable of axial movement relative to the thrower within limits set by a cross-pin 13 held by the thrower and extending through a slot 14 in the element 12.
- the drive element is biased towards one of its limiting positions by means of a compression spring 15 captive in the thrower, and when the element 12 is free to move under the bias of the spring it can project from the thrower to engage in a rectangular recess 16 in the adjacent end of the shaft 5; (in Figure 1 the shaft 5 is shown rotated through 90° from the position in which it can engage with the element 12).
- each lock has a bolt 17, 18 with a tapered nose which, when the bolt is thrown, extends through the block 2 and into a respective radial aperture 19, 20 in the thrower 6, where the nose engages a respective inclined surface 21, 22 on the drive element 12 to withdraw that element from the shaft 5 by a camming action, against the bias of the spring 15.
- throwing either of the lock bolts 17 or 18 will achieve this disengagement, although in point of fact the inclined surface 21 of the element 12 which cooperates with the combination lock bolt 17 is undercut slightly as compared with the other inclined surface 22, so that when both lock bolts have been thrown the force of the spring 15 is met by the keylock bolt 18 only and the combination lock bolt 17 is not loaded.
- the lock bolts 17 and 18 By their entry into the apertures 19 and 20 the bolts 17 and 18 also, of course, interlock the thrower 6 to resist any subsequent attempt at forced retraction of the boltwork. Furthermore, the lock bolts have lateral extensions 23, 24 which in this position block withdrawing movement of rods 25 and 26 carried with the top and bottom boltstraps of the main boltwork, as will be more fully described hereafter. Arranging the locks as shown in the Figures, with their bolts facing each other across the thrower, assists not only in the provision of a very compact unit but also in resisting attempts to overcome the locking mechanism by knocking in the lock bolts.
- a mechanism operated by the combination lock 3, for blocking access to the keyhole 27 of the keylock 4 in all conditions except when the combination lock is released.
- This mechanism comprises a plate 28 which can be slid relative to the keylock between two positions, in one of which an aperture 29 in the plate ( Figure 2) registers with the keyhole 27 to provide access for the key and in the other of which (as illustrated) the aperture 29 is withdrawn from registry with the keyhole.
- the plate 28 is connected via a toggle lever 30 and slide 31 to a bar 32 which moves together with the bolt assembly of the combination lock 3 to effect the required movement of the plate. It is also preferred to block the whole of the key-entrance 33 (Figure 1) which extends through the safe door, whenever the door is closed and locked.
- a profiled steel section (not shown) is inserted into the entrance 33 and through the plate aperture 29 into the keyhole, and the combination lock 5 is then thrown to slide the plate 28 so that a narrow extension 34 of the plate aperture 29 moves over a waisted portion at the end of the steel section to retain it in place.
- the thrower 6 has a third radial aperture 35.
- the purpose of this is to enable the keylock 4 to be re- thrown after the main boltwork has been withdrawn and the door has been opened, in withdrawing the main boltwork the thrower 6 having been rotated into the position in which the aperture 35 aligns with the lock bolt 18.
- This is of value both in enabling the key to be removed from the lock 4 (if the lock is of a key-retaining kind) and in re-locking the thrower to prevent tampering with the throwing mechanism.
- FIGS. 3 and 4 show the general arrangement of the boltwork within the door.
- This is a four-way boltwork comprising a pair of bolts 36 and 37 interconnected by a strap 38, thrown from the hinge side of the door; a pair of bolts 39 and 40 interconnected by a strap 41, thrown from the top of the door; a pair of bolts 42 and 43 interconnected by a strap 44, thrown from the opening side of the door; and a pair of bolts 45 and 46 interconnected by a strap 47, thrown from the bottom of the door.
- the side bolt straps 38 and 44 are linked to the thrower 6 by respective pinned drive rods 7 and 9, and the top and bottom boltstraps 41 and 47 are secured to bars 48 and 49 which in turn are linked to the thrower 6 by respective pinned drive rods 8 and 10.
- Each one of the bolts is journalled at two positions along its length, one position provided by the side wall of the pan 2 and the other by a respective bearing block 50 welded to the face of the pan.
- hinge-side and opening-side bolts are arranged in opposed pair 36, 42 and 37, 43 and it will be seen from Figure 3 that in the withdrawn condition these bolt pairs extend across virtually the entire width of the door. It will be appreciated from Figures 3 and 4, together with Figure 5, that this is made possible by mounting the locking and isolating unit A completely within the space between the lines of action of the successive vertically-spaced bolt pairs 36/42 and 37/43.
- Movement of the bolts from the Figure 3 to Figure 4 position is achieved by appropriate rotation (in the clockwise sense as viewed) of the thrower 6, and it will be further appreciated from Figure 4 that the arrangement maximises the length over which the side bolts 36, 37, 42 and 43 are supported within the door and at the same time permits the bolts to be thrown through a relatively long distance.
- the hinge-side, top and bottom bolts are thrown a distance of 50 mm while the opening-side bolts 42 and 43 opposite the hinge line are thrown through 80 mm, the increased throw for the latter being achieved by linking the drive rod 9 to the thrower 6 at a greater radius from the axis of rotation X of the thrower than the other drive rods 7, 8 and 10.
- the relative angular positions at which the drive rods 7-10 are linked to the thrower 6 are so selected that during the initial stage of throwing movement the boltstraps 38 and 44 move at a higher linear rate than the boltstraps 41 and 47 to make way for the bars 51 and 52, and conversely during the initial stage of withdrawing movement the boltstraps 41 and 47 move at a higher linear rate than do the straps 38 and 44.
- this locking mechanism can readily be adapted for doors of sizes and proportions which require a greater number of vertical-edge bolts.
- the boltstraps 38 and 44 are extended in length (upwards and/or downwards relative to the position of the locking/isolating unit A) to carry the required number of bolts, and the bars 48, 49 are correspondingly extended between their points of connection to the drive rods 8, 10 and boltstraps 41, 47, to carry the requisite number of abutment bars 51, 52 for each opposed pair of side bolts.
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- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
- The present invention relates to locking mechanisms for the doors of safes, vaults, strong- rooms and the like security enclosures.
- It is customary for the door of a safe or the like enclosure to be locked by means of bolts thrown from the door into engagement with the surrounding frame, for which purpose there is provided an externally-accessible handle or the like control member which drives the boltwork through a mechanical transmission mounted within the door, the same mechanism, of course, being used to withdraw the bolts when the door is to be opened. This boltwork is in turn locked in its thrown condition by the operation of one or more locks which may, for example, throw bolts into engagement with portions of the main boltwork to resist the subsequent withdrawal of the main bolts. In order to improve the security of this type of locking arrangement it is also known to provide a mechanism actuated by one of the locks which serves to disengage the boltwork from the external handle when the bolts are thrown and locked, so that in the event of burglarious attack on the enclosure it is impossible to use the handle to put force on the boltwork or to withdraw the bolts even if the blocking action of the locks can be overcome. An example of such a mechanism is shown in European patent specification No. 0018712.
- In one aspect the invention seeks to provide an improved boltwork isolating arrangement in a door locking mechanism generally as described above, and which in particular can achieve reliably this disengaging function with a minimum of moving parts and a minimum space requirement.
- Accordingly the invention resides in a locking mechanism for the door of a security enclosure which includes: boltwork mounted within the door; a control member accessible from outside the door; a mechanical transmission for coupling said control member to the boltwork for throwing and withdrawing the same; one or more locks mounted within the door for selectively locking the boltwork in its thrown condition; and means mounted within the door for selectively disengaging the coupling of said control member to the boltwork when in its thrown condition; wherein the mechanical transmission includes a pair of coaxial rotary members, a first of which is caused to rotate in either sense by corresponding movement of said control member and the second of which is adapted to engage the first within the door in order to transmit movement of the control member to the boltwork; and the disengaging means are operable to relatively displace said pair of rotary members in the axial sense thereby to disengage the coupling between them. The engagement of the two rotary members may be established by means of a non-circular portion of one of the members entering a complementary non-circular recess in the other, so as to provide both for the transmission of rotary motion between the two members and for the required relative axial motion on disengagement.
- Preferably one of the pair of rotary members has a face inclined to the axis of those members and the member with the inclined face is displaced axially relative to the other member when the disengaging means are operated, by virtue of the camming action of an operating member thrust against said inclined face, preferably in a radial direction relative to said axis.
- Preferably the disengaging means are operatively associated with a said lock for selectively locking the boltwork in its thrown condition, whereby operation of the lock acts also to disengage the coupling between the pair of rotary members as aforesaid. In such a case the aforesaid operating member may comprise the bolt of a lock which serves to lock the boltwork by its engagement with part of the said transmission. There may be two locks either of which is effective to disengage the coupling between the pair of rotary members, in which case the locks are preferably arranged on opposite sides of the said axis and each has a bolt engageable with a respective said inclined face. Alternatively, however, the disengaging means could be embodied e.g. as an independent key or combination operated mechanism, separate from any such lock, if desired.
- In a preferred arrangement it is the aforesaid second rotary member which is displaced to effect the required disengagement, and this member may be borne with limited freedom for axial motion in a complementary slot in the next succeeding member of the transmission such that rotation of the second rotary member is transmitted into rotation of said succeeding member. This succeeding member may constitute the part of the transmission with which the lock bolt(s) engage to lock the boltwork in an arrangement as indicated in the preceding paragraph.
- The invention is furthermore concerned with improving the security of the boltwork itself in a safe door or the like. In this respect it is highly desirable that bolts which are thrown from the door edges into engagement with the surrounding frame are well supported over an appreciable axial length with the door, in order to resist attempts at twisting the bolts in their mountings, by use of explosives or jacks for example; this is particularly so in the case of bolts thrown from the door edges which are parallel to the hinge line - i.e. from the vertical (side) door edges. If such support for the bolts is to be achieved it follows that the bolts will occupy at least a substantial proportion of the width of the door, if not the entire width, when withdrawn. With known doors embodying a boltwork locking and isolating mechanism it has proved difficult to provide such bolt support and at the same time accommodate the locking and isolating components in the available space within the door. In a mechanism according to the invention, however, a disposition of parts can readily be achieved such that it is practical to locate both the aforesaid lock(s) and disengaging means in a space which lies entirely between the lines of action of successive vertically-spaced bolts, thus leaving the entire width of the door free for accommodating the bolts if desired.
- These and other features of the present invention will now be more particularly described, by way of example, with reference to the accompanying drawings illustrating portions of a preferred embodiment of a safe door incorporating a locking mechanism according to the invention, in which
- Figure 1 is a section, taken on the line I-I of Figure 2, through the locks and handle/boltwork- isolating mechanism of the safe; Figure 2 is a section taken on the line II-II of Figure 1;
- Figure 3 is an elevation, partly in section, of the boltwork incorporated in the safe, shown in its withdrawn condition;
- Figure 4 is a view similar to Figure 3 but showing the boltwork in its thrown condition; and
- Figure 5 is a section on the line V-V of Figure 4.
- Referring to Figures 1 and 2, the illustrated locking and isolating unit A includes a mounting block 1 which is secured within a steel pan 2 on the inside face of the safe door. Two
locks example lock 3 being a combination lock andlock 4 being a keylock, although other permutations of lock type are possible. The boltwork of the door is operated by turning an external handle (not shown) mounted on the end of a shaft 5, it being necessary to establish a driving connection between the shaft 5 and acoaxial thrower 6 borne by the block 1 if the turning of the handle is to be effective to throw or withdraw the boltwork. Movement of thethrower 6 is transmitted to the boltwork through four drive rods 7-10 pinned to the thrower (of which three are seen in Figure 1), as will be more fully described hereafter. - As will be seen from Figures 1 and 2, the
thrower 6 has alongitudinal slot 11 within which is borne a drive element 12 of rectangular cross- section. This drive element is capable of axial movement relative to the thrower within limits set by across-pin 13 held by the thrower and extending through a slot 14 in the element 12. The drive element is biased towards one of its limiting positions by means of acompression spring 15 captive in the thrower, and when the element 12 is free to move under the bias of the spring it can project from the thrower to engage in a rectangular recess 16 in the adjacent end of the shaft 5; (in Figure 1 the shaft 5 is shown rotated through 90° from the position in which it can engage with the element 12). When these components are engaged rotation of the shaft is transmitted into rotation of the thrower for throwing or withdrawing the boltwork as appropriate. - Normally, however, when the safe door is closed and locked, the drive element 12 is maintained in the position in which it is shown in Figure 1, i.e. out of engagement with the shaft 5 which latter can accordingly turn without putting any force on the boltwork. This disengagement is achieved by operation of the
locks - To this end, each lock has a
bolt radial aperture thrower 6, where the nose engages a respectiveinclined surface spring 15. As will be appreciated, throwing either of thelock bolts inclined surface 21 of the element 12 which cooperates with thecombination lock bolt 17 is undercut slightly as compared with the otherinclined surface 22, so that when both lock bolts have been thrown the force of thespring 15 is met by thekeylock bolt 18 only and thecombination lock bolt 17 is not loaded. By their entry into theapertures bolts thrower 6 to resist any subsequent attempt at forced retraction of the boltwork. Furthermore, the lock bolts havelateral extensions 23, 24 which in this position block withdrawing movement ofrods - In the illustrated embodiment there is also a mechanism, operated by the
combination lock 3, for blocking access to thekeyhole 27 of thekeylock 4 in all conditions except when the combination lock is released. This mechanism comprises aplate 28 which can be slid relative to the keylock between two positions, in one of which anaperture 29 in the plate (Figure 2) registers with thekeyhole 27 to provide access for the key and in the other of which (as illustrated) theaperture 29 is withdrawn from registry with the keyhole. Theplate 28 is connected via atoggle lever 30 and slide 31 to abar 32 which moves together with the bolt assembly of thecombination lock 3 to effect the required movement of the plate. It is also preferred to block the whole of the key-entrance 33 (Figure 1) which extends through the safe door, whenever the door is closed and locked. To this end, after thekeylock 4 has been thrown and the key removed, but before the combination lock is thrown, a profiled steel section (not shown) is inserted into theentrance 33 and through theplate aperture 29 into the keyhole, and the combination lock 5 is then thrown to slide theplate 28 so that anarrow extension 34 of theplate aperture 29 moves over a waisted portion at the end of the steel section to retain it in place. - It will also be seen from Figure 2 that the
thrower 6 has a third radial aperture 35. The purpose of this is to enable thekeylock 4 to be re- thrown after the main boltwork has been withdrawn and the door has been opened, in withdrawing the main boltwork thethrower 6 having been rotated into the position in which the aperture 35 aligns with thelock bolt 18. This is of value both in enabling the key to be removed from the lock 4 (if the lock is of a key-retaining kind) and in re-locking the thrower to prevent tampering with the throwing mechanism. The presence of therod 25, which in this condition will have been withdrawn with the main boltwork to extend through the whole of its guideway in the block 1, does not block this re-throwing of the keylock as therod 25 is provided with an appropriately positioned notch (not shown) which permits the bolt extension 24 to pass. Throwing of thecombination lock 3 is, however, precluded in this condition as there is no corresponding additional aperture for thebolt 17 in thethrower 6. - Turning now to Figures 3 and 4, these show the general arrangement of the boltwork within the door. This is a four-way boltwork comprising a pair of
bolts strap 38, thrown from the hinge side of the door; a pair ofbolts bolts strap 44, thrown from the opening side of the door; and a pair ofbolts strap 47, thrown from the bottom of the door. Theside bolt straps thrower 6 by respectivepinned drive rods 7 and 9, and the top andbottom boltstraps 41 and 47 are secured tobars thrower 6 by respectivepinned drive rods respective bearing block 50 welded to the face of the pan. - The hinge-side and opening-side bolts are arranged in
opposed pair bolt pairs 36/42 and 37/43. Movement of the bolts from the Figure 3 to Figure 4 position is achieved by appropriate rotation (in the clockwise sense as viewed) of thethrower 6, and it will be further appreciated from Figure 4 that the arrangement maximises the length over which the side bolts 36, 37, 42 and 43 are supported within the door and at the same time permits the bolts to be thrown through a relatively long distance. Typically with the illustrated arrangement the hinge-side, top and bottom bolts are thrown a distance of 50 mm while the opening-side bolts thrower 6 at a greater radius from the axis of rotation X of the thrower than theother drive rods - As previously indicated, when the boltwork is thrown and the
locks thrower 6. Retraction of the top andbottom bolts rods boltstraps 41 and 47 and extending into the central section of the mounting block 1. In addition, forced retraction of the side bolts will be resisted by the positioning ofrespective abutment bars bars bottom boltstraps 41, 47, between the inner ends of the bolts in eachopposed pair 36/42 and 37/43. For example, if an attempt were made to knock thebolt 42 inwards when thrown it would engage thebar 51 and eventually through it thebolt 36 which latter is received in a detention in the opposite side of the door frame. Thebolt 36 therefore is prevented from being knocked further outwards from the door and thus prevents thebolt 42 from being knocked inwards sufficiently far to disengage from its own detention; in effect, the bolts react against each other to resist retraction of either one. - In order to permit the
bars thrower 6 are so selected that during the initial stage of throwing movement theboltstraps boltstraps 41 and 47 to make way for thebars boltstraps 41 and 47 move at a higher linear rate than do thestraps - Although described and illustrated in terms of its application to boltwork having only two bolts thrown from each vertical door edge, this locking mechanism can readily be adapted for doors of sizes and proportions which require a greater number of vertical-edge bolts. In such a case the
boltstraps bars drive rods boltstraps 41, 47, to carry the requisite number of abutment bars 51, 52 for each opposed pair of side bolts.
Claims (16)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE715381 | 1981-01-07 | ||
AU7153/81 | 1981-01-07 | ||
GB8111763 | 1981-04-14 | ||
GB8111763 | 1981-04-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0055882A2 EP0055882A2 (en) | 1982-07-14 |
EP0055882A3 EP0055882A3 (en) | 1983-01-26 |
EP0055882B1 true EP0055882B1 (en) | 1985-06-05 |
Family
ID=25642443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81201407A Expired EP0055882B1 (en) | 1981-01-07 | 1981-12-31 | Door-locking mechanisms for security enclosures |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0055882B1 (en) |
BR (1) | BR8200035A (en) |
DE (1) | DE3170904D1 (en) |
ES (1) | ES508529A0 (en) |
IE (1) | IE52237B1 (en) |
PT (1) | PT74223B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0018712A1 (en) * | 1979-03-23 | 1980-11-12 | Chubb & Son's Lock and Safe Company Limited | Bolt mechanism, and security enclosure having such a bolt mechanism |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1918411A (en) * | 1928-08-16 | 1933-07-18 | Ferro Stamping & Mfg Company | Automobile door handle |
-
1981
- 1981-12-29 PT PT7422381A patent/PT74223B/en unknown
- 1981-12-31 DE DE8181201407T patent/DE3170904D1/en not_active Expired
- 1981-12-31 EP EP81201407A patent/EP0055882B1/en not_active Expired
-
1982
- 1982-01-05 ES ES82508529A patent/ES508529A0/en active Granted
- 1982-01-06 BR BR8200035A patent/BR8200035A/en unknown
- 1982-01-06 IE IE1682A patent/IE52237B1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0018712A1 (en) * | 1979-03-23 | 1980-11-12 | Chubb & Son's Lock and Safe Company Limited | Bolt mechanism, and security enclosure having such a bolt mechanism |
Also Published As
Publication number | Publication date |
---|---|
PT74223A (en) | 1982-01-01 |
EP0055882A3 (en) | 1983-01-26 |
PT74223B (en) | 1983-07-21 |
EP0055882A2 (en) | 1982-07-14 |
IE52237B1 (en) | 1987-08-19 |
ES8304253A1 (en) | 1983-02-16 |
DE3170904D1 (en) | 1985-07-11 |
IE820016L (en) | 1982-07-07 |
ES508529A0 (en) | 1983-02-16 |
BR8200035A (en) | 1982-10-26 |
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