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JP3283741B2 |
To prevent a cylinder lock from complicating its construction even if a click mechanism is provided thereto. A row of through-holes 31, 32, 33 and 34 connecting to tumbler pin holes 27 and 28 in locking and unlocking positions of a plug ...
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JP2002129787A |
To provide an anti-picking cylinder which is not complicated in cylinder structure, drastically improves its anti-picking performance, is excellent in durability, can be produced by using conventional parts and production lines with very...
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JP2002121938A |
To provide a pin tumbler lock hard to fraudulently unlock by picking.A small-diameter step part 9 is formed at the inner end, which is jointed to a tumbler pin 5, of at least one driver pin 6.
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JP2002121939A |
To provide a pin cylinder lock excellent in crime prevention preventing a duplicate key from being created by inserting a blank key in the pin cylinder lock, and gouging the blank key while applying rotational force to an inner cylinder ...
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JP2002512326A |
The invention relates to a built-in safety device comprising a housing (3) and a rotor (4) mounted therein. Tumblers (8) are mounted in the housing (3) and in the rotor (4). The maximal length (A) of the built-in safety device (1) is app...
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JP3276241B2 |
PURPOSE: To provide a cylinder lock which is prevented from a destruction attempted by a drill and also caused by application of shock to its plug. CONSTITUTION: A pressure receiving surface 18 intersecting the inside surface of a case 1...
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JP3272691B2 |
To easily change a code by housing a specified pin in a fixed outer cylinder and a rotary inner cylinder and forming recesses for a code at the side face of a key in a specified condition. A plurality of housing holes 2A-2D for driver pi...
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JP2002089094A |
To provide a cylinder lock preventing the lock breakage due to the drilling by a drill.In the cylinder lock locked or unlocked by rotating an inner tube inserted into an outer tube, a ring made of a material having the hardness higher th...
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JP2002089097A |
To increase the key difference of a pin cylinder lock.Pin trains 6 of n (n is a positive integer of two or above) pieces are arranged at the prescribed angular interval in the peripheral direction of an inner tube 1, and the cross sectio...
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JP2002081235A |
To provide a key, a lock and a system mechanism therefor unable to easily open and break the lock by picking and a driver by a thief.Circular arc-shaped rack gears are adopted for a sensor of the key, and are arranged in several places o...
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JP2002506156A |
A keeper and a latch secures a first member such as a door panel against a second member such as a corresponding frame. The keeper is adapted for attachment to the second member and engages the latch in a fastened position.
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JP3260724B2 |
To provide a code variable type cylinder lock device in which structure is simplified and the cost of manufacture and assembly is moderated and a key for converting a code need not be prepared particularly. One driver-pin housing hole 2D...
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JP2002038775A |
To provide a cylinder lock simplifying a constitution and facilitating manufacture and, at the same time, having the difficulty of unfairly unlocking the cylinder lock by a third person.For the cylinder lock 10 including an outside cylin...
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JP2002021395A |
To rovide a key cylinder mechanism having durability against breaking by insertion of a screwdriver or the like.A center hole in a liner 2 which serves as a key hole for a key cylinder is cylindrical in shape and has an inside diameter o...
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JP2002021380A |
To provide a cylinder lock excellent in serviceability, allowing the outside diameter of an outer cylinder to be reduced and the wall thickness of a cover to be increased to provide strong protection against destruction.The cylinder lock...
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JP3239181B2 |
PURPOSE: To facilitate pin assembling work while reducing errors and to reduce the number of partitems. CONSTITUTION: In a manufacturing method for a pin tumbler lock, a rotor 2 provided with a key insertion hole 2b is inserted into a cy...
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JP3233487B2 |
PURPOSE: To securely conduct locking/unlocking by surely pushing down all tumbler pins when a key is inserted. CONSTITUTION: A driver pin 5 under spring pressure is pushed down by a tumbler pin 6 forming a pair with the driver pin 5 betw...
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JP3227511B2 |
PURPOSE: To provide a key convertible type cylinder lock device in which a spacer for setting a pin can be easily assembled with no errors, and which can greatly reduce the number of necessary components so as to simplify its structure. ...
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JP2001303813A |
To provide a cylinder lock with a built-in copying preventive means having a simple structure and high effectiveness and its key. The cylinder lock has an external cylinder and a body of revolution, which is housed rotatably into the ext...
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JP3215707B2 |
In the rotary lock cylinder is arranged an additional tumbler (10) which is allocated by a control element (19) arranged in the key (16). At a distance from this tumbler (10) there is, in the stator (2), a blocking element (6) which, in ...
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JP2001262879A |
To provide a cylinder lock bringing the overall length to a short and compact size and ensuring the number of different keys.Each of a plurality of pin storage holes 12 formed in a plug 3 for storing tumblers 5 has not larger than an eve...
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JP2001254542A |
To overcome an inconvenience of a conventional lock that the owner of keys can not entrust one of the opening and closing keys to another person, and to provide a new lock which allows the owner to entrust one of the keys to another pers...
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JP2001248337A |
To provide a lock with less volume.A plurality of storage holes and matching holes disposed parallel with each other are provided radially at the side edge of the center lock hole of an inner tube, and a plurality of push-up lock columns...
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JP2001514714A |
A cylinder lock with a resiliently biased auxiliary locking pin, the auxiliary locking pin having a first end which functions as a tenon and a second end which defines a cam follower. The first end of the auxiliary locking pin extends in...
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JP3184931B2 |
To provide a cylinder lock which can be manufactured at a low cost by using synthetic resin and prevented from being broken to extend the life of a product. A cylinder lock has a cylindrical case, a lock mainbody inserted into the case a...
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JP2001182411A |
To provide a magnet lock for a bicycle allowing a number of combinations by properly selecting lock pin infixing holes and polarities of magnets. A lock body 3 having plural circularly disposed lock pin infixing holes and a lock pin 6 in...
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JP2001182390A |
To quickly perform drilling work for an inner cylinder of a pin tumbler and grooving work for the outer peripheral surface which are not easily done conventionally. An inner cylinder of a pin tumbler is divided into a core cylinder havin...
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JP2001182391A |
To provide a pin tumbler lock permitting a plurality of key changes and requiring no special key construction for key change by the design of the change key system. A long groove opening to the inner cavity of an outer cylinder of the pi...
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JP3158269B2 |
PURPOSE: To make only a new key usable by inserting the new key after rotating a rotor to a certain line by insertion of the previous key into a lock, and then rotating the rotor to its original position. CONSTITUTION: Seven bottomed pin...
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JP3158274B2 |
To use common parts and manufacture cylinder locks having various lengths by providing a cylinder part with a female screw cut at its end side, inserting a guide cylinder threaded in the cylinder interior of a lock main body with a pin h...
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JP2001082018A |
To provide a magnet lock for bicycle of this invention without a key hole and to be hardly unlocked by a means such as a pin. In this magnet lock 1 for bicycle, a rotatable cylinder body 3 and a lock body 4 integrated with a cylinder 2a ...
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JP3150816B2 |
PURPOSE: To prevent unjust lock release by a picking tool by fixing one end of a thin-walled cylindrical part fittingly to, a cylindrical key shank rigidly fixed to a key plate, and inserting a slider slidably into the other end of the c...
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JP2001073599A |
To provide a rotary type cylinder lock device scarcely having limitation in a place of fitting, by downsizing the whole of a lock unit. A cylinder rotor 20 is provided rotatably, with a key inserted thereinto, in a cylinder case 10, whil...
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JP3145278B2 |
To enhance the on effect of drill damage inhibition by incorporating a steel ball combined with a tool-hindrance member into a swelling section coating around a shear line of a cylinder lock. A square hole-shaped through-hole 26 passing ...
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JP2001032583A |
To promote simplification and compaction of a construction in a variable lock capable of changing a key code and, at the same time, to accomplish smoothness of key code changing work. A cylinder constitution has a double cylinder structu...
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JP2001020573A |
To provide a safety lock requiring no replacement of a key for each stand even if the key of the safety lock is lost.A safety lock comprises a cylinder 1, a plug 3, and at least one rotating body 9 and one plunger 7. The plug 3 is formed...
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JP3115328B2 |
PCT No. PCT/EP95/02209 Sec. 371 Date Feb. 12, 1996 Sec. 102(e) Date Feb. 12, 1996 PCT Filed Jun. 8, 1995 PCT Pub. No. WO95/34731 PCT Pub. Date Dec. 21, 1995A novel locking system of the type which has very useful properties and at the sa...
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JP2000320204A |
To provide a cylinder lock, which is not unlocked even in the case of the reception of destructive power from the outside and which has high reliability. The mechanism section 6 of the cylinder lock is composed of an internal cylinder, a...
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JP3109787B2 |
The key has, in the shank, a continuous bore (8), in which two opposed control elements (9, 10) are mounted, these elements being movable inwards counter to the restoring force of a compression spring (12) arranged in the bore (8). When ...
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JP2000314250A |
To provide a side bar type cylinder locking device having doubled strength against a violet destruction, improved picking-resistant capacity, the difficult in illegal copying of a key, free from the risk of the malfunction by a key of th...
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JP2000515208A |
A lock barrel with a core rotatable therein, having a keyway into which can be inserted a flat key having contour codes on its side surfaces co-operating with bodies which can move in core drillings and, if the codes match, make it possi...
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JP3105167B2 |
To settle a problem of being in danger of dishonest unlocking by impact destruction caused by beating the front of a plug with a hammer in a cutting destruction prevention type cylinder lock. A projected surface 15 crossing with the insi...
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JP3101678B2 |
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JP3076370B2 |
PCT No. PCT/CH91/00010 Sec. 371 Date Sep. 17, 1991 Sec. 102(e) Date Sep. 17, 1991 PCT Filed Jan. 11, 1991 PCT Pub. No. WO91/10795 PCT Pub. Date Jul. 25, 1991.A lock system has lock cylinders (5) in which the rotor (9) is lodged as usual ...
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JP3071454B2 |
The cylinder lock and key comprises at least two auxiliary pins (10,11) which are arranged or opposite sides with respect to the key slot (4) and have an end which protrudes into the slot (4). The opposite ends of the two auxiliary pins ...
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JP2000160886A |
To provide a cylinder lock that is suited to a lock for a shutter for example, secures a smooth and stable operation of the lock core and a thumb-turn for a long period knob by composing a lock body, a lock core, a plug connecting to the...
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JP3032736B2 |
To provide a key switch device in which a predetermined number of microswitches can surely be turned on and off at the same timing. A plurality of microswitches are sandwiched in place between a front baseplate 3 secured to the rear end ...
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JP3034221B2 |
To prevent the picking, and to facilitate the change of key formation by arranging a tumbler in a key groove of an inner cylinder so as to be projected in the condition that a part thereof is projected, and regulating the backward moveme...
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JP3025419B2 |
PURPOSE: To make it impossible to really unlock a lock by a dishonet means by interlocking a rotational member with a fixed block through a plurality of lock members, and enabling all the lock members to prevent the release of them as lo...
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JP3020831B2 |
PURPOSE: To provide a lock device which resists illegal unlocking by simple scraping action with conventional picking tools. CONSTITUTION: In a lock device, in which a point where a code pin 5 abuts to a driver pin 7 is moved onto the bo...
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