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JP05149044 |
PURPOSE: To prevent error action from being generated due to a card key, on a locking device having composition for changing the projecting quantity of tumblers according to the bored patterns of penetration holes arranged on the card ke...
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JP05141136 |
PURPOSE: To make the assembly of the improper state of a latch section impossible by installing an external lock subassembly containing a lock plug, an internal lock subassembly, a latch section with a swivel or the like. CONSTITUTION: A...
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JP05098855 |
PURPOSE: To prevent a key from being copied by providing a control face from the end section of a key blade to a key grip and causing a control pin in a lock cylinder to detect the control face. CONSTITUTION: A groove-like control spool ...
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JP05098856 |
PURPOSE: To utilize a bitting region for keys having different formed shapes, to improve the stability of key operation, and then, to improve the abrasion- resistance of the bitting region by forming the bitting region in a cylindrical s...
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JP05033534 |
PURPOSE: To allow a key cylinder of a cylinder lock to completely freely rotate when the lock is unlocked incorrectly. CONSTITUTION: There are provided a latch means 19 provided movably between an engaging position where a key cylinder 1...
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JP04323477 |
PURPOSE: To easily change a key for releasing lock in a cylinder lock. CONSTITUTION: Between a cylinder case 1 insertedly fitted with a plug 2 and the plug 2, an inner rink 7 and an outer ring 8 respectively having pin holes on the oppos...
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JP04309680 |
PURPOSE: To obtain a compact mechanical code lock device, release number of which can be set freely and easily at the time of use. CONSTITUTION: A dial shaft operation control mechanism 70, a memory mechanism 50 and a transmission mechan...
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JP04250282 |
PURPOSE: To obtain a key and a rotary lock cylinder, which are manufactured easily and from which replicas are difficult to be manufactured, though a recess for an inclined passage arranged to the rotary cylinder is not required. CONSTIT...
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JP04231568 |
PURPOSE: To protect a cylinder lock from breaking by keeping a key cylinder in a state of free rotation in the case of wrong unlocking. CONSTITUTION: When a regular key 26 is inserted in a key-way 17a of a cylinder lock 10, a side bar 15...
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JP04231567 |
PURPOSE: To promote controllability by using the first and second grooves to unlock the first cylinder lock, and using the third and fourth grooves to unlock the second cylinder lock. CONSTITUTION: A key is inserted in a tumbler 14 of th...
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JP04216785 |
PURPOSE: To make a baggage lock in a necessary thiness, to promote crime prevention efficiency and to make it possible to change a key in case a key in lost by moving a pin tumbler lock horizontally to use it to lock and unlock. CONSTITU...
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JP04179783 |
PURPOSE: To make it possible to form very large keyways by moving a plurality of pin tumblers to different positions, and forming keyways having different projections and recesses when a large number of keyways to unlock by interlocking ...
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JP04153479 |
PURPOSE: To prevent an accident of inability of unlocking by providing code setting means which enables rotating motion for locking of locking means when at least one of a plurality of code dials is turned to set unlock number. CONSTITUT...
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JP04118478 |
PURPOSE: To easily and surely change codes for a lock by a method wherein a setting spacer corresponding to the shape of a key is transferred from a spacer supply mechanism in a member on one side to the side of an engaging mechanism in ...
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JP04108969 |
PURPOSE: To make forgery of a lock system extremely difficult by using a metal that generates magnetic modification from non-magnetic to ferromagnetic through mechanical deformation, as a key of the lock system. CONSTITUTION: A condition...
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JP04106279 |
PURPOSE: To make it possible to maintain high crime prevention efficiency by housing drivers and springs in a sliding hole connecting an internal tube to an external tube, and housing holding levers between drivers and pins in moving gro...
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JP04062278 |
PURPOSE: To inform on a fall of battery capacity by making no operation of a lock driving circuit or making operation of an alarm device through a lock controlling circuit when a voltage detection circuit detects that a voltage of a batt...
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JP04060073 |
PURPOSE: To simplify a structure by providing a sequential judgment section sequentially judging the key ridge information read by a detecting means and recognizing a key ridge shape, and providing a controller outputting a command to an...
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JP04060072 |
PURPOSE: To correctly detect the height of a key ridge by performing the arithmetic processing which erases the drift quantity of a key in the displacement direction based on the output of the first displacement detecting means and the o...
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JP04060074 |
PURPOSE: To surely prevent illegal unlocking by providing a key made of a magnetic material, a magnetic substance member provided around the key hole of a key barrel, and a means detecting the magnetic characteristic of a magnetic circui...
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JP04060076 |
PURPOSE: To reduced the power consumption by providing a mechanical key information detecting means and an electrical key information detecting means, and providing a control means exciting an electrical unlocking means with the abnormal...
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JP04027087 |
PURPOSE: To make it possible to prevent a key device exactly from a violent breaking and unjust unlocking by fastening a lock of a shaft against a cylinder case, and releasing the locking of a rotor against the shaft when a key is pulled...
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JP04016681 |
PURPOSE: To prevent the unfair reuse of a master key by providing a locking mechanism for making the use of the master key impossible after using a spare key. CONSTITUTION: A cylinder lock is formed of a cylinder case 1, a rotatable plug...
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JP04014574 |
PURPOSE: To prevent lock opening by forming a lock, in which the lock hole of a plug body is bent, and a bendable key being inserted into the key hole and opening the shackle of the lock. CONSTITUTION: A chain in 13 is installed to a loc...
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JP03243448 |
PURPOSE: To prevent the burglar of a vehicle committed by faul means such as the direct coupling of an electric wire or the like by providing a magnet key inserted/removed into/from the key cylinder lock of the vehicle, and providing the...
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JP03224878 |
PURPOSE: To improve rigidity and increase the effect of robbery prevention, by extending a lock bar guide portion guiding the projection/recession of a lock bar, to the lock hole of a head pipe, and supporting it at the inner periphery o...
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JP03224880 |
PURPOSE: To prevent surely foul unlocking by means of the insertion of a driver or the like, by releasing the integration of a key rotor and a cylinder body which has been done by a tumbler and making the key rotor alone rotatable, when ...
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JP03224877 |
PURPOSE: To arrange so that the release of steering lock by means of the insertion of a driver may not be conducted, by providing at the upper part of a key rotor a spacer portion formed with a spacer key groove that is so deep that even...
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JP03197780 |
PURPOSE: To make it possible to make especially a large number of positions where a key does not fit in a lock and to make a reproduction of a key difficult by changing not only the length of a tumbler pin, but changing an angle position...
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JP03187478 |
PURPOSE: To obtain a variable key corresponding to various kinds of keys by protruding a projection pin into an inner circumferential cylinder, in a pocket part in which outer and inner circumferential cylinders are communicated to each ...
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JP03158582 |
PURPOSE: To keep off any illegal unlocking through a different key or driver or the like by rotating a rotor and a cylinder as one body at a time when torque larger than the setting torque works on the rotor. CONSTITUTION: A rotor 4 hold...
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JP03147989 |
PURPOSE: To prevent illegitimate unlocking by fitting a lock with a mechanism whereto a key is inserted into a key hole with projections of the key fitted to a plurality of notch grooves that are provided on the peripheral edge of the ke...
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JP03147988 |
PURPOSE: To easily pull out and replace an inner cylinder by providing a stopper to the rear end of an outer cylinder and by enabling the engagement of the outer cylinder and the inner cylinder to be released against the spring force, wi...
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JP03119274 |
PURPOSE: To prevent an illegal unlocking by inserting a key into a plug to connect the opening to a lever, and abutting the edge and the central part of the lever to an auxiliary pin and a tumbler pin to allow rotation of the plug. CONST...
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JP03115673 |
PURPOSE: To eliminate a groove at a cylindrical front end of a spindle by rotatably mounting a spindle in a housing, and inserting a key so that the projection of the key fits into a groove of a housing member provided in the upper part ...
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JP03061147 |
PURPOSE: To improve the operability at the time of turning a key plate in a key device for performing lock and unlock of a steering lock device by forming a device so as to eliminate a step hindering the sliding movement of a locking pla...
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JP03043575 |
PURPOSE: To easily manufacture a key handle of many different keys by providing not a key pin in the master key handle but a key pin, corresponding to an escape hole provided in a rotor, in each individual key handle. CONSTITUTION: In th...
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JP03017361 |
PURPOSE: To prevent picking by fitting an eccentric sleeve between a cylinder main body and a plug, and loosely fitting a flange provided at the plug into a hole provided in the cylindrical section of the cylinder main body. CONSTITUTION...
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JP02311679 |
PURPOSE: To drastically increase the number of look organization and making the incorrect lock release such as picking extremely difficult by installing the second rotary cylinder as intermediate cylinder and constituting the second tumb...
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JP02304182 |
PURPOSE: To impart high safety resisting lock picking by providing both a housing and a core with respective first and second holes, and providing two sets of slidable tumbler means. CONSTITUTION: A cylindrical housing 14 is provided wit...
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JP02300480 |
PURPOSE: To simplify an assembly operation by boring a hole communicated with each pinhole in parallel with a keyhole to an external cylinder while inserting a single elastic body into the hole and independently conducting spring operati...
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JP02296980 |
PURPOSE: To simplify an assembly by holding an inside pin element when it is not engaged with an outside pin element and it does not match desirably with the outside pin element in a multi-element pin assembly. CONSTITUTION: Each housing...
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JP02289774 |
PURPOSE: To form a locking device in a simple and easy-to-operate construction and also assure a safety by providing two eccentric shafts, two levers, and a rotor pin shaft in the locking device and forming the device so that the rotor a...
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JP02248586 |
PURPOSE: To prevent picking without imposing load to users by a method in which when the inside of a drive pin is coupled with the side recession of a follow pin, a stopper is coupled with a receiving groove across a sub-pin hole. CONSTI...
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JP02236373 |
PURPOSE: To bear a high locking load by pivotally installing a locking member in the recess section of a tumbler pin and performing locking at a position in front of a stop of a cylinder case. CONSTITUTION: When a key 15 is inserted into...
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JP02227504 |
PURPOSE: To simplify a structure and to reduce cost by applying wet steam flowing from an exhaust port at a high-pressure stage to a high speed centrifugal separator to separate water and obtain dried steam, supplying the dried steam to ...
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JP02221573 |
PURPOSE: To protect a cylinder lock from the violent breakdown by arranging a hindering member inside of a cylinder housing, and constraining a latch immediately in the case where a main part of the cylinder lock is removed from the hous...
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JP02176081 |
PURPOSE: To prevent the illegal unlocking by providing a body having a main recess and an auxiliary recess, and providing a cross bar having a homing head which is received in the main recess and interacts with a set pin. CONSTITUTION: W...
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JP02164985 |
PURPOSE: To prevent cut destruction by a drill blade by providing steel balls to be arranged in the front surface of a tumbler pin, in the case of a cylinder lock having the tumbler pin fitted and inserted while being urged by springs to...
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JP02112573 |
PURPOSE: To improve safety by arranging the deepest recessed part of a flat key to fit to a tumbler pin which is located closest to the top part of a connecting rib and forming some of recessed parts into the flat key as a communicating ...
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