EP0066558B1 - Card controlling device for locking, alarm and similar lockable units - Google Patents
Card controlling device for locking, alarm and similar lockable units Download PDFInfo
- Publication number
- EP0066558B1 EP0066558B1 EP82830146A EP82830146A EP0066558B1 EP 0066558 B1 EP0066558 B1 EP 0066558B1 EP 82830146 A EP82830146 A EP 82830146A EP 82830146 A EP82830146 A EP 82830146A EP 0066558 B1 EP0066558 B1 EP 0066558B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drawer
- key card
- effective
- locking
- pins
- 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
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/007—Locks for use with special keys or a plurality of keys ; keys therefor the key being a card, e.g. perforated, or the like
Definitions
- the present invention relates to a card controlling device for locking, alarm and similar units, comprising a supporting block in the inside thereof there is formed a sliding seat for a reciprocating drawer, effective to reciprocate from a first position corresponding to a locking condition of said unit to a second position corresponding to a releasing condition of said unit, said supporting block and drawer including a plurality of holes perpendicularly located with respect to said drawer sliding direction and resiliently housing a predetermined number of locking pins and back- or counterpins.
- a lock has been designed the controlling or driving device of which, while still providing for the use of a code card and a key card, is effective to displace the locking pins by means of an exclusively mechanic operation.
- This lock has been the subject matter of FR-A-2386668.
- the lock of said French Patent substantially comprises a casing in the inside thereof a locking member is effective to slide, this latter being coupled, by means of a rod, to a spring latch of the lock.
- a locking member On the upper portion of the casing, there are formed two slots, respectively for housing a code card and a key card.
- Locking means are resiliently housed, in each of the holes, such locking means consisting of a pin, a counter pin and a ball pair.
- the code card there are provided a number of through holes arranged according to a given combination, and extending coaxially with respect to some of the holes formed in the casing and locking member, whereas in the key card there are formed through holes which are complementary to the code card holes in order to complete the chess-board arrangement assumed by the holes of the casing and locking member.
- the code card as it is introduced into the device, will act on said balls in such a way that some of the underlying pins and counterpins will be located with the adjacent surfaces thereof in a coplanar relationship with respect to the sliding surface between the casing and locking member, while other pins will intersect said sliding surface thereby assuring the locking of said locking member.
- the locking member Upon having obtained this condition, the locking member will be able of freely sliding in the casing to allow for the lock to be easily open or closed.
- the main object of the present invention is to eliminate the thereinabove mentioned drawbacks by providing a card controlled device for locking, alarm and similar units where the code card is eliminated and which is effective to give an improved safety by increasing the locking possibilities of the locking member and decreasing the required volume by 50%.
- Another object of the present invention is to prevent possible ill-intentioned persons from tampering the device even if they are able of precisely detecting the positions of the locking pins.
- a card controlling device for locking, alarm and similar lockable units comprising a supporting block wherein a sliding seat is formed effective to slidingly receive a drawer member for reciprocation between a first position corresponding to a locking condition of said unit and a second position corresponding to a releasing condition of said unit, said supporting block and movable drawer including a plurality of holes perpendicularly disposed with respect to said drawer sliding direction and resiliently housing a predetermined number of locking pins and counterpins, characterized in that said movable drawer is provided with a central slot into which a key card can be inserted on the faces of which there are formed a plurality of recesses located at predetermined positions coinciding with the positions said pins assume in said respective holes, whereby when said key card has been introduced, the contacting surfaces between said pins and counterpins are coplanar with the respective sliding surfaces of the drawer in said block, in at least one of said holes there being house
- a card controlling device for locking, alarm and similar lockable units housed in a box-like portion 2 of a frame 3, this latter being effective to be fixed, by means of screws or similar means, to a fixed portion of said unit.
- a sliding vertical guide pair 4 On the open side of the box-like portion 2 there is formed a sliding vertical guide pair 4, therewith a small plate 5 engages effective to close the device 1 in said box-like portion 2.
- the sliding limit of the plate 5 in the guides 4 is defined by a horizontally extending guide pair 6, which latter are disposed along the lower or bottom side of said box-like portion 2 and define an abutment for the lower edge 5a of the closure plate 5.
- This latter is provided at the central portion whereof, with a slot 7, adapted to receive a key card, which is generally indicated at 8, and which will be described in a more detailed way hereafter.
- the controlling device 1 for locking, alarm and similar lockable units consists essentially of a supporting block 9 in which a sliding seat 10 is formed, this seat 10 being effective to be slidingly engaged by a drawer member 11, this latter being driven with a reciprocating movement.
- the movable drawer 11 is provided with a central slot 12 and a lug 13 provided for push- engaging a releasing or driving means of said unit.
- the movable drawer 11 and the supporting block 9 further include a plurality of coaxially extending holes, indicated respectively at 11' and 9' (Figs. 6 and 10), effective to house resiliently a corresponding plurality of locking means. More specifically, the holes 9' related to the supporting block 9 are throughgoing and have a constant diameter, whereas the holes 11' of the movable drawer 11, while being also throughgoing, have a diameter variation effective to define an annular abutment 14.
- said locking means include, for each coaxially extending hole pair 9' and 11', a pin 15 and a counter pin 16. These latter consist of constant diameter cylindrical elements, whereas the pins 15 have a diameter variation allowing for the pins 15 to abut against the annular abutment 14 of the hole 11'. Finally, in each hole 9' of the supporting block 9 there is received a pretensioned coil spring 17 effective to push the pin-counterpin assembly toward the slot of the movable drawer 11.
- the supporting block 9 is provided, at the top and bottom portions thereof, with guiding slots 18 and 19, effective to engage with respective closure covers 20 and 21 of the supporting block 9.
- the slide 23 is provided, at the lower portion thereof, with at least a foot 25 which, in the closed condition of the device 1, is latched or engaged by a detent member 26 as resiliently pivoted at 27 to a snap member effective to release the lockable unit.
- the lug 13 of the movable drawer 11 may also act directly on any snap members, without necessarily providing for the use of the slide 23 with its foot 25 and of said detent member 26.
- the key card 8 is provided, on both faces thereof, with a plurality of recesses 29 effective located at predetermined positions coinciding with the positions assumed by the pins 15 in their respective holes 11 '.
- the contacting surfaces between the pins 15 and counterpins 16 are coplanar with the two sliding surfaces of the movable drawer 11 in said supporting block 9.
- each said portion 8a and 8b there are provided a plurality of notches 30, of substantially circular shape, and disposed according to two mutually perpendicular directions, their axes coinciding, as the card key is inserted, with the axes of the holes 9' and 11' .
- these latter are perforated, thereby providing through holes which, as said plate-like portions are superimposed, coincide with the recesses 29 of the key card 8.
- the key card 8 it is possible to provide the key card 8 with the desired combination by taking care that, as said disks 31 are perforated, the holes formed through the plate-like portion 8a are not coincident with those formed on the other plate-like portion 8b, since, in this latter case, a through hole would be formed in the key card 8 susceptible to prevent the movable drawer 11 from being released.
- At least one of the pins 15, indicated at 15a in the figures has a height less than that of the other pins 15.
- the height of the pin 15a has to be selected in such a way that the contacting surface thereof with the corresponding counterpin 16 be coincident with one of the sliding surfaces of the movable drawer 11 only at a solid portion of the key card 8 (Figs. 6 to 9).
- the pins 15 penetrate the recesses 29 of the key card 8 and locate, with their contacting surfaces with the respective counterpins 16, in a coplanar relationship with respect to the sliding surfaces of the movable drawer 11.
- the upper pin 15, located laterally with respect to the pin 15a provides a further error possibility occurring as a through hole is formed in the key card 8'. In this case the full lowering of the pin 15 brings the counterpin 16 to interfere with the upper sliding surface of the movable drawer 11.
- the user himself will be able to form the desired combination, by removing the disk 31 at the selected positions and then locating the pin-counterpin-spring assembly in the holes 11' of the drawer 11 and 9' of the supporting block, corresponding to the recesses 29 previously formed by the user in the key card 8.
Landscapes
- Lock And Its Accessories (AREA)
- Massaging Devices (AREA)
- Percussion Or Vibration Massage (AREA)
- Electrophonic Musical Instruments (AREA)
Description
- The present invention relates to a card controlling device for locking, alarm and similar units, comprising a supporting block in the inside thereof there is formed a sliding seat for a reciprocating drawer, effective to reciprocate from a first position corresponding to a locking condition of said unit to a second position corresponding to a releasing condition of said unit, said supporting block and drawer including a plurality of holes perpendicularly located with respect to said drawer sliding direction and resiliently housing a predetermined number of locking pins and back- or counterpins.
- As it is known, in these last years, some devices have been broadly developed which use a key card for controling locking units, such as locks and the like. These devices provide for the use, as locking pins, of magnetically responsive rods which are located, in such a way as to be able of reciprocating, between a code card and the aforesaid key card.
- The devices of the above mentioned type, though they are satisfactory from a technical point of view, are nevertheless not devoid of drawbacks. In fact, because of an exclusively magnetic control of the locking pins, the relatively small forces causing the pins to move may be deleteriously affected by dust or other extraneous materials which can accidentally penetrate into the lock.
- Another drawback related to the thereinabove mentioned devices is the possibility of a demagnetization of the key card over a period of time, so that it becomes ineffective to open the lock or other locking unit.
- In order to eliminate the drawbacks associated with the magnetically operated controlling devices, a lock has been designed the controlling or driving device of which, while still providing for the use of a code card and a key card, is effective to displace the locking pins by means of an exclusively mechanic operation. This lock has been the subject matter of FR-A-2386668.
- The lock of said French Patent substantially comprises a casing in the inside thereof a locking member is effective to slide, this latter being coupled, by means of a rod, to a spring latch of the lock. On the upper portion of the casing, there are formed two slots, respectively for housing a code card and a key card. Through the casing and locking member there are formed, as arranged according to a chess-board configuration, coaxially extending holes which, at the top thereof, merge with the code card housing slot. Locking means are resiliently housed, in each of the holes, such locking means consisting of a pin, a counter pin and a ball pair.
- Through the code card there are provided a number of through holes arranged according to a given combination, and extending coaxially with respect to some of the holes formed in the casing and locking member, whereas in the key card there are formed through holes which are complementary to the code card holes in order to complete the chess-board arrangement assumed by the holes of the casing and locking member.
- The code card, as it is introduced into the device, will act on said balls in such a way that some of the underlying pins and counterpins will be located with the adjacent surfaces thereof in a coplanar relationship with respect to the sliding surface between the casing and locking member, while other pins will intersect said sliding surface thereby assuring the locking of said locking member.
- As the key card is introduced, also these latter pins will be located with the mutually adjacent surfaces thereof in a coplanar relationship with respect to the sliding surface of the locking member, since a hole of said key card will correspond to each said pin.
- Upon having obtained this condition, the locking member will be able of freely sliding in the casing to allow for the lock to be easily open or closed.
- While the thereinabove described device is highly secure, it should however be pointed out that it is not devoid of drawbacks.
- These drawbacks are mainly due to the fact that, under certain conditions, an ill-intentioned person may access the code card to easily copy it and then easily construct a key card.
- For example, during a party, an ill-intentioned person having gained access to the home, will be able, in a period of seconds, to withdraw the code card, upon having inserted any plate-like member into the lock slot, copy it and introduce it again in the lock slot.
- Another drawback of the thereinabove described device is the fact that, if a completely perforated code card is introduced, then any not perforated plate-like member will be effective to open the lock. Accordingly, by perforating the plastics material code card of the commercially available devices, by applying heat to it, or even dissolving said card by means of a suitable solvent as introduced from the outside, it is sufficient a not perforated plate for opening the door.
- Accordingly, the main object of the present invention is to eliminate the thereinabove mentioned drawbacks by providing a card controlled device for locking, alarm and similar units where the code card is eliminated and which is effective to give an improved safety by increasing the locking possibilities of the locking member and decreasing the required volume by 50%.
- Another object of the present invention is to prevent possible ill-intentioned persons from tampering the device even if they are able of precisely detecting the positions of the locking pins.
- These and other objects, which will become more apparent from the following description, are achieved, according to the present invention, by a card controlling device for locking, alarm and similar lockable units, comprising a supporting block wherein a sliding seat is formed effective to slidingly receive a drawer member for reciprocation between a first position corresponding to a locking condition of said unit and a second position corresponding to a releasing condition of said unit, said supporting block and movable drawer including a plurality of holes perpendicularly disposed with respect to said drawer sliding direction and resiliently housing a predetermined number of locking pins and counterpins, characterized in that said movable drawer is provided with a central slot into which a key card can be inserted on the faces of which there are formed a plurality of recesses located at predetermined positions coinciding with the positions said pins assume in said respective holes, whereby when said key card has been introduced, the contacting surfaces between said pins and counterpins are coplanar with the respective sliding surfaces of the drawer in said block, in at least one of said holes there being housed a locking pin having a height less than that of the other pins, the contacting surface with the respective counterpin coinciding with the respective sliding surface of said drawer when, at said pin, there is located a solid portion of said key card, said drawer being associated with a releasing and controlling or driving means of said unit.
- Further characteristics and advantages of the present invention will become more apparent from the following detailed description of a preferred, though not exclusive embodiment, of a card controlling device for locking, alarm and similar units, with reference to the accompanying drawings, given by way of an indicative and not limitative example only, and where:
- Fig. 1 is a front view of the device according to the invention;
- Fig. 2 is a cross-section view taken along the line II-II of Fig. 1;
- Fig. 3 is a plan view of the frame supporting the device according to the invention;
- Fig. 4 is a plan view of the key card stripped in its two plate-like portions;
- Figs. 5 to 9 are longitudinal cross-section views illustrating the operative sequence related to the inserting of the key card and to the consequent releasing of the movable drawer;
- Fig. 10 is a longitudinal cross-section view illustrating the situation occurring as an erroneous key card is inserted.
- With reference to the figures, at 1 there is overally indicated a card controlling device for locking, alarm and similar lockable units, housed in a box-
like portion 2 of aframe 3, this latter being effective to be fixed, by means of screws or similar means, to a fixed portion of said unit. On the open side of the box-like portion 2 there is formed a slidingvertical guide pair 4, therewith a small plate 5 engages effective to close the device 1 in said box-like portion 2. The sliding limit of the plate 5 in theguides 4 is defined by a horizontally extendingguide pair 6, which latter are disposed along the lower or bottom side of said box-like portion 2 and define an abutment for the lower edge 5a of the closure plate 5. This latter, finally, is provided at the central portion whereof, with a slot 7, adapted to receive a key card, which is generally indicated at 8, and which will be described in a more detailed way hereafter. - Referring now to Figs. 1 and 2, the controlling device 1 for locking, alarm and similar lockable units consists essentially of a supporting
block 9 in which a slidingseat 10 is formed, thisseat 10 being effective to be slidingly engaged by adrawer member 11, this latter being driven with a reciprocating movement. - The
movable drawer 11 is provided with acentral slot 12 and alug 13 provided for push- engaging a releasing or driving means of said unit. - The
movable drawer 11 and the supportingblock 9 further include a plurality of coaxially extending holes, indicated respectively at 11' and 9' (Figs. 6 and 10), effective to house resiliently a corresponding plurality of locking means. More specifically, the holes 9' related to the supportingblock 9 are throughgoing and have a constant diameter, whereas the holes 11' of themovable drawer 11, while being also throughgoing, have a diameter variation effective to define anannular abutment 14. - Furthermore, said locking means include, for each coaxially extending hole pair 9' and 11', a
pin 15 and acounter pin 16. These latter consist of constant diameter cylindrical elements, whereas thepins 15 have a diameter variation allowing for thepins 15 to abut against theannular abutment 14 of the hole 11'. Finally, in each hole 9' of the supportingblock 9 there is received apretensioned coil spring 17 effective to push the pin-counterpin assembly toward the slot of themovable drawer 11. - Referring now to Figs. 1 and 2, the supporting
block 9 is provided, at the top and bottom portions thereof, with guidingslots block 9. - As it is also shown in Figs. 1 and 2, on the lower side of the box-
like portion 2 of theframe 3 there are providedguides 22 with which aslide 23 slidingly and resiliently engages, adapted to be pushed by thelug 13 of themovable drawer 11, against the biasing provided by apretensioned spring pair 24, one only thereof has been represented in the figures. - The
slide 23 is provided, at the lower portion thereof, with at least afoot 25 which, in the closed condition of the device 1, is latched or engaged by adetent member 26 as resiliently pivoted at 27 to a snap member effective to release the lockable unit. - According to a variation of the present invention, the
lug 13 of themovable drawer 11 may also act directly on any snap members, without necessarily providing for the use of theslide 23 with itsfoot 25 and of saiddetent member 26. - Referring now particularly to Figs. 6 to 10, and according to a further feature of the present invention, the
key card 8 is provided, on both faces thereof, with a plurality ofrecesses 29 effective located at predetermined positions coinciding with the positions assumed by thepins 15 in their respective holes 11 '. In this manner, as the key card is introduced, the contacting surfaces between thepins 15 andcounterpins 16 are coplanar with the two sliding surfaces of themovable drawer 11 in said supportingblock 9. - In order to easily form the
recesses 29 in thekey 8, the latter is formed by two plate-like portions portion notches 30, of substantially circular shape, and disposed according to two mutually perpendicular directions, their axes coinciding, as the card key is inserted, with the axes of the holes 9' and 11' . - Each of the
notches 30, accordingly, deli- mitates adisk 31 which is held rigid with the plate-like member spokes 32. By acting with the point of any suitable tools on thedisks 31, these latter are perforated, thereby providing through holes which, as said plate-like portions are superimposed, coincide with therecesses 29 of thekey card 8. Thus, it is possible to provide thekey card 8 with the desired combination by taking care that, as saiddisks 31 are perforated, the holes formed through the plate-like portion 8a are not coincident with those formed on the other plate-like portion 8b, since, in this latter case, a through hole would be formed in thekey card 8 susceptible to prevent themovable drawer 11 from being released. - It should be noted that, with the device according to the present invention, since the
pins 15 andcounterpins 16 act on two sliding surfaces, the occupied space is notably reduced (50%) for the same number of combinations. - Furthermore in order to prevent an ill-intentioned person able of locating the precise positions of the
pins 15 from correctly falsifying the key card, according to a further feature of the present invention, at least one of thepins 15, indicated at 15a in the figures has a height less than that of theother pins 15. The height of the pin 15a has to be selected in such a way that the contacting surface thereof with thecorresponding counterpin 16 be coincident with one of the sliding surfaces of themovable drawer 11 only at a solid portion of the key card 8 (Figs. 6 to 9). Referring now to figures 5 to 9, as into theslot 12 there is introduced thekey card 8, thepins 15a and 15 are displaced proportionately to the advancing of the key card in theslot 12. As the key card stops to advance (Fig. 8), due to the pushing action provided by thesprings 17, thepins 15 penetrate therecesses 29 of thekey card 8 and locate, with their contacting surfaces with therespective counterpins 16, in a coplanar relationship with respect to the sliding surfaces of themovable drawer 11. - Similarly, as at the lower height pin 15a a solid portion is provided on the
key card 8, also this pin will locate in such a way that its surface contacting therespective counterpin 16 will be coplanar to one of the sliding surfaces of the movable drawer. At this time, themovable drawer 11 will be released and it can be pushed leftwards, as clearly shown in Fig. 9. - Referring now to Fig. 10, the case will be illustrated occurring as an improper key card 8' is introduced into the
slot 12. - Three possible errors have been illustrated on this key card 8', which may occur as an ill-intentioned person attemps to falsify the key card. It should however be pointed out that a single error will be effective to prevent the movable drawer from sliding in the
seat 10 therefore. As it is shown in figure 10, the pin 15a, as it is coincident with arecess 29, will locate in such a way that the lower sliding surface of themovable drawer 11 will interfere with the counterpin associated with the pin 15a. - The
upper pin 15, located laterally with respect to the pin 15a provides a further error possibility occurring as a through hole is formed in the key card 8'. In this case the full lowering of thepin 15 brings thecounterpin 16 to interfere with the upper sliding surface of themovable drawer 11. - The other possible error occurs, finally, as a solid portion on the key card 8' is provided at a pin 15 (the lower one in Fig. 10). In this case, the
related spring 17 is compressed and thepin 15 itself will locate at an interfering position with respect to one of the sliding surfaces of themovable drawer 11. - It should be noted that, with the device according to the present invention, the user himself will be able to form the desired combination, by removing the
disk 31 at the selected positions and then locating the pin-counterpin-spring assembly in the holes 11' of thedrawer 11 and 9' of the supporting block, corresponding to therecesses 29 previously formed by the user in thekey card 8. - In an analogous manner, as the user desires to change the previously set combination, he will simply take two other plate-
like portions key card 8, removeother disks 31 and again assemble two plate-like portions key card 8. Upon having attained to this operation and withdrawn the supportingblock 9 from the box-like portion 2 of theframe 3, the user will alternatively remove the closure covers 20 and 21, and change the positions of thepins 15 andcounterpins 16, according to the new combination set on thekey card 8. - Obviously several modifications and variations can be made in the structure of the card controlling device for locking, alarm and similar units according to the present invention, without departing from the scope thereof, as it is defined in the accompanying claims.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82830146T ATE11948T1 (en) | 1981-06-02 | 1982-05-31 | CARD CONTROL DEVICE FOR LOCKING, ALARM OR LIKE SYSTEMS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22088/81A IT1136703B (en) | 1981-06-02 | 1981-06-02 | BOARD COMMAND DEVICE FOR LOCK UNIT, ALARM AND SIMILAR |
IT2208881 | 1981-06-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0066558A2 EP0066558A2 (en) | 1982-12-08 |
EP0066558A3 EP0066558A3 (en) | 1983-04-27 |
EP0066558B1 true EP0066558B1 (en) | 1985-02-20 |
Family
ID=11191321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82830146A Expired EP0066558B1 (en) | 1981-06-02 | 1982-05-31 | Card controlling device for locking, alarm and similar lockable units |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0066558B1 (en) |
JP (1) | JPS5844164A (en) |
AR (1) | AR228494A1 (en) |
AT (1) | ATE11948T1 (en) |
BR (1) | BR8203183A (en) |
DE (1) | DE3262402D1 (en) |
IT (1) | IT1136703B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT402422B (en) * | 1993-11-16 | 1997-05-26 | Evva Werke | Lock with a locking bolt |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61180822A (en) * | 1984-08-03 | 1986-08-13 | Satake Eng Co Ltd | Gun type burner for vaporization burning |
ES2009545A6 (en) * | 1988-02-24 | 1989-10-01 | Tecsesa | Perfected lock. |
DE4002093A1 (en) * | 1990-01-25 | 1991-08-01 | Schulte Schlagbaum Ag | LOCK WITH INSERTING A KEY CARD TO BE RELEASED BY INSERTING A AREA MAGNETIZED |
JPH04174181A (en) * | 1990-07-16 | 1992-06-22 | Takahide Kazui | Card-type unlocker and double key and rental deposit box therewith |
JP2526317B2 (en) * | 1991-01-25 | 1996-08-21 | 日本電子ロック株式会社 | Magnetic card lock |
US5181407A (en) * | 1991-11-13 | 1993-01-26 | Wu Wen Yin | Card lock and a punchable key card |
FR2712020B1 (en) * | 1993-11-02 | 1995-12-08 | Ronis Sa | Card lock. |
ES2248889T3 (en) * | 1998-05-08 | 2006-03-16 | Assa Ab | CARD LOCK. |
UA118611C2 (en) | 2017-04-28 | 2019-02-11 | Леонід Полікарпович Пашкевич | LOCK BLOCKER WITH MATRIX CODING SYSTEM |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1279704A (en) * | 1961-01-20 | 1961-12-22 | New safety mechanism, with pins | |
NO140145C (en) * | 1977-04-06 | 1979-07-11 | Elkem Spigerverket As | DEVICE AT LOAD. |
NO146441C (en) * | 1980-08-08 | 1982-09-29 | Elkem Spigerverket As | DEVICE FOR RE-ROLLABLE HOLE CARD CARDS |
-
1981
- 1981-06-02 IT IT22088/81A patent/IT1136703B/en active
-
1982
- 1982-05-31 DE DE8282830146T patent/DE3262402D1/en not_active Expired
- 1982-05-31 EP EP82830146A patent/EP0066558B1/en not_active Expired
- 1982-05-31 BR BR8203183A patent/BR8203183A/en unknown
- 1982-05-31 AT AT82830146T patent/ATE11948T1/en not_active IP Right Cessation
- 1982-06-01 AR AR289572A patent/AR228494A1/en active
- 1982-06-02 JP JP57093269A patent/JPS5844164A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT402422B (en) * | 1993-11-16 | 1997-05-26 | Evva Werke | Lock with a locking bolt |
Also Published As
Publication number | Publication date |
---|---|
JPS5844164A (en) | 1983-03-15 |
EP0066558A2 (en) | 1982-12-08 |
EP0066558A3 (en) | 1983-04-27 |
IT8122088A0 (en) | 1981-06-02 |
DE3262402D1 (en) | 1985-03-28 |
ATE11948T1 (en) | 1985-03-15 |
IT1136703B (en) | 1986-09-03 |
BR8203183A (en) | 1983-05-17 |
AR228494A1 (en) | 1983-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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