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JP3561362B2 |
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JP3548541B2 |
To provide a lock mechanism of a cylinder lock and the cylinder lock, capable of making the direction of driving plate coincide with an after- mentioned, even if a connecting hole with the driving plate of a connecting member is turned e...
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JP2004176494A |
To remake a tumbler lock causing a large number of picking cases conventionally into a structure capable of preventing the illegal opening of the lock by a picking trick to prevent damage by picking securely and increase the reliability ...
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JP3515212B2 |
PURPOSE: To prevent the rotation of forming parts when a different kind of a key plate is inserted into a rotor by forming a device so that an intermediate rotor is rotated so as to push a second cam in the direction for separating from ...
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JP2003534470A |
The aim of the invention is to improve locking devices, especially for use in motor vehicles, in which a locking cylinder is mounted on at least one door and this locking cylinder is operated by a key (10) which has code tracks (13) on t...
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JP3457954B2 |
To provide a lock core device for an antitheft tumbler key preventing unlocking by malfeasant use. In the tumbler lock with a pin, one or more of side pinholes 54 and a horizontal hole 55 communicated with the side pinholes are bored to ...
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JP2003293629A |
To provide a cylinder lock for a building, short in the entire length without a recovery part on the rear side of a cylinder body.This cylinder lock for the building is constituted to lock and unlock a door by projecting a plurality of a...
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JP3451119B2 |
PURPOSE: To manufacture a web at a low cost and to provide high safety in an extruding process to a cylinder housing member. CONSTITUTION: A web has plural parts 8a, extending in the longitudinal direction of the web 7 of a built-in doub...
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JP2003253931A |
To provide a cylinder lock for a building, which dispenses with provision of key pieces having different shapes corresponding to different cylinder locks.According to the cylinder lock 1 for the building, by protruding a plurality of tum...
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JP2003213987A |
To easily replace a cylinder lock at a low cost when a user for furniture such as furnishings with a cylinder lock mechanism is changed.In the cylinder lock mechanism in which a coil spring 5, tumbler pieces 3b for gages and tumbler piec...
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JP2003213992A |
To provide a cylinder lock capable of being miniaturized in addition to the ensuring of the number of different keys set.A rotor 13 is housed rotatably to a cylinder 14a for a rotor case 14. The first to fifth housing chambers 31 to 35 a...
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JP3094945U |
A lock includes a hollow casing, a core rotatably received in the hollow casing, a key detachably inserted into the core and having a pattern on both sides of the key, locking plates movably received in the slits and at least one of the ...
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JP2003184358A |
To enhance safety of a lock by providing a cylinder lock which makes picking extremely hard to perform.A wavy part 21 with a pitch smaller than the width of an unlocking notch 9 at an outside edge of a free end of at least one rotary dis...
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JP3411358B2 |
PURPOSE: To have many variable code numbers, enable old codes to be returned, and hardly unlock unlawfully. CONSTITUTION: A tumbler plate 24 and a variable tumbler 27 are inserted into a plug 6 inserted on the inner circumferential face ...
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JP2003138796A |
To provide a cylinder lock having high resistance to picking.This cylinder lock allows and prohibits rotary operation to a rotor 2 by moving a tumbler 1 to a prescribed position in the rotor 2 by an unlocking code forming recessed part 6...
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JP2003516487A |
A closing device includes a cylinder core with followers and a closing cylinder with a freewheel sleeve and a housing accommodating the sleeve. Normally, a coupling slider is coupled to the cylinder core by a restoring force, but is deco...
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JP3406473B2 |
To retain an assembled plug in an un-extractable manner by a method wherein a ring-shaped wall, in which a recessed section is formed to an inner periphery, is projected from the rear end section of the inner circumferential surface of a...
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JP3400778B2 |
To provide a lock for example related to the lock of a door of a vending machine or the like, with simple construction, low manufacturing cost, excellent crime prevention, and suitable for recycle. In this lock 1 unlocked by moving an in...
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JP2003514157A |
The invention relates to a closing device (10) with a rotor (11) which has a cylindrical periphery (17) and which accommodates spring-loaded locking mechanisms on one side. With a closing device of this type, a pivoting tilting moment of...
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JP2003514158A |
A keyway profile plug (14) for a lock barrel assembly of the type having a number of rotatable disks (24) with the combination of the lock being carried by the key and a locking bar (118) which cooperates with the disks, wherein the keyw...
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JP3396209B2 |
To efficiently assemble a lock body by easily integrating discs and springs into an inner cylinder. A plurality of discs 30-34 and a plurality of springs 15 are integrated into an inner cylinder 2. A plurality of disc storage spaces 20 f...
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JP2003091708A |
To provide an IC card recycling device recycling a disposable IC card, eliminating the feeling of dirtiness, and having high processing speed.This IC card recycling device is provided with the IC card 2, a laminating device 5 for fully c...
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JP2003064915A |
To provide a picking prevention device of a cylinder lock capable of preventing the cylinder lock from being unlawfully unlocked because the new developed cylinder lock is so constituted that a usual picking tool can not be used.The conv...
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JP3380611B2 |
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JP3378645B2 |
PURPOSE: To miniaturize a cylinder lock and improve anti-stealing ability by providing a case with a lock recessed section, inserting a tumbler plate into a tumbler hole, inserting a joint cam between the small external peripheral surfac...
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JP3373564B2 |
PURPOSE: To prevent the fitting part of a tumbler key or the tops of key wave from abrading. CONSTITUTION: A key rotor 5 is pushed into a cylinder body 1 to manipulate a key 1. A rotor can 14 regulating the transfer of tumblers 9, 10 is ...
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JP3370299B2 |
A locking device with a key-operated lock is disclosed which includes a cylindrical member having a front open end and a rear end, locking means rotatably supported on the rear end of the cylindrical member, the locking means having a lo...
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JP3367759B2 |
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JP2002364215A |
To make a cylinder lock mechanism hard to unlock illegally by eliminating a defect such that picking is easily undergone by a lock mechanism in which tumbler pieces are disposed in a cylinder body at even intervals. This cylinder lock me...
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JP2002357032A |
To provide a new composite cylinder key difficult to make picking by improving a disc tumbler lock. A cam groove 13 is formed along a bus-bar of the inside circumferential surface of an outside cylinder in an angle position slipping appr...
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JP3345445B2 |
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JP3338014B2 |
To insert and extract a key to/from a lock body in both a locking state and an unlocking state. This disc lock device is composed of a key 2 having plural serrations different in the height and a lock body 1 locked and unlocked by recipr...
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JP3333985B2 |
To eliminate a severe control about a mounting accuracy of a cylinder lock or a door lock and prevent definitely an operational failure that a locked and unlocked state detection switch detects and gives a warning before a rotary detecti...
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JP3334259B2 |
PURPOSE: To realize the control for a variety of operations corresponding to the use of a key plate, by judging the use of the first grooved key plate (main key) and the use of the second grooveless key plate (subkey). CONSTITUTION: A pr...
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JP3331426B2 |
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JP2002285741A |
To provide a cylinder lock which is disabled from reading notch portions of tumblers engaging with a side bar from a key insertion hole of a cylinder main body, to thereby prevent fraudulent unlocking.The cylinder lock is formed of a hol...
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JP3330728B2 |
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JP2002276214A |
To prevent an illicit unlocking operation such as picking or the like by fitting a coil spring and a tumbler piece from both side surfaces of a cylindrical cylinder body so as to be mutually opposed.In this cylinder lock mechanism, fitti...
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JP2002526699A |
The invention relates to a closing cylinder comprised of a cylinder core (10) which is rotationally accommodated in a cylinder housing (20), and which has a profiled axial boring (11). An axially parallel roll body (25) is arranged in sa...
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JP3308594B2 |
PURPOSE: To perfectly prevent an extremely sharp shape from remaining when a cutting is machined while allowing for the wide deformation of a rib in the longitudinal direction and a groove in the longitudinal direction. CONSTITUTION: A g...
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JP3298737B2 |
PURPOSE: To return a key automatically to a place before revolution by a key- cylinder automatic return device when a key cylinder for a free turn type cylinder lock is rotated by a normal key. CONSTITUTION: A cylinder shaft 15 passed th...
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JP2002188334A |
To provide a cylinder lock severely coping with the dishonest unlock using a flat tip screwdriver and capable of preventing the generation of die wear at a shoulder part of a lock groove.A fixed main body 1 of this cylinder lock is forme...
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JP2002155647A |
To provide a cylinder lock which is positively protected from reading a key ridge of a key corresponding thereto, and can employ a number of tumblers having the same length.The cylinder lock consists of a holder 1 and a cylinder main bod...
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JP2002155645A |
To provide a cylinder lock for a building, which can effectively prevent picking thereof.The cylinder lock for the building consists of a holder 1 mounted in a door main body for the building, with an engaging groove formed in the intern...
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JP2002129786A |
To provide a disk tumbler lock which defies illegal unlocking by picking.According to the disk tumbler lock, a notch 13 is formed in at least one disk tumbler 2 at a one-directional end thereof. As a result, a step portion adjacent to th...
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JP2002089093A |
To prevent the fraudulent unlocking, so-called 'picking'.This disk lock device comprises a key formed with key ridges in a recessed groove along the length direction of the side face of a key plate and a lock body 1 unlocked or locked wh...
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JP2002061431A |
To provide a disc tumbler lock having difficulty in illegal unlocking by picking.A serration is formed along a bus bar of the circumferential surface of a guide pin 4 of the disc tumbler lock therein, and a serration groove capable of be...
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JP2002054327A |
To provide a cylinder lock of which the rotor can be simply pulled out and exchanged performed only by inserting a change master key.A stopper storing hole 12 crossing at the deepest portion of a keyway 3 is formed in a rotor 2, a stoppe...
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JP2002054328A |
To provide a disc tumbler lock having improved security which is strong against criminal unlocking by picking means such as wire or the like.A rotor 2 is housed in non-movable manner in a shaft direction in a fixed external cylinder 1, a...
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JP2002047834A |
To provide a disc tumbler lock free from the occurrence of an abnormal unlocked state actually unlocked in spite of the establishment of locking.A keeper tumbler storage hole 12 is provided in the diametrical direction of a rotor, and a ...
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