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JP3711047 |
To provide a means to make it very difficult to unlock a lock in spite of a relatively simple structure of the lock by disposing lock mechanisms and alarm mechanisms properly combined with each other inside the lock. This picking protect...
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JP3708153 |
PURPOSE: To improve a burglary preventing function without exposing the key hole of a lock protecting device outside. CONSTITUTION: A lock protecting device comprises; a case 1 having a recess 10 and a cam wall part 11; a rotor 2 rotatab...
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JP3702405 |
To provide a variable cylinder lock, eliminating the need for preparing another key, enabling simple selection of various changing times in any order and assuring protection against picking activity. This variable cylinder lock comprises...
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JP3698965 |
To provide a rotary lock capable of allowing a locking part unable to be positioned in an insertion hole by the returning force of a latch, to be positioned on the insertion hole, controlling a position of the locking part on a handle dr...
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JP2005171753 |
To provide a key-replaceable lock and a method for substituting the key, which is simple and cost-effective.The key-replaceable lock 100 is provided with a locking and an unlocking positions and also includes a housing 104 and a cylinder...
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JP2005171640 |
To improve a form of a change key for precisely changing a required key code without mistaking the change key, in a door lock device of a control board storage box of a traffic light.This lock device is installed in the control board sto...
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JP2005163327 |
To rotate a cylinder only when a key is completely inserted.When a lever 312 for confirming complete insertion provided on an inner peripheral cylinder 203 is energized by a spring 311 so that a projecting part 312b is locked in a groove...
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JP2005163289 |
To provide a cylinder lock having a high reliability to which many variable number of codes can be set and which can not be unlocked by other unlocking codes.The cylinder lock is constituted of a plug 6 provided with tumbler 5 positioned...
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JP2005163328 |
To provide a small-sized and high-durability cylinder lock, varying an available key code of a key, the key code of which is specified in a position on one face at a low cost.A variable tumbler abuts on a face corresponding to the key co...
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JP2005163326 |
To provide a small-sized cylinder lock, varying an available key code for a key, the key code of which is specified at a position in one face at low cost.A variable tumbler 233-4 abuts on a face (a positioning face 424) corresponding to ...
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JP2005155044 |
To provide an opening/closing control key for an apparatus box group, which contributes to simplified arrangement and custody of keys, and allows the owner to carry the single key with him without paying attention to difference between t...
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JP2005146751 |
To provide a cylinder lock capable of making an unjust copy of a lock difficult by altering a shape of the inner end section of a cord pin without incorporating any new mechanism and component and increasing security.The inner end sectio...
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JP2005146748 |
To provide a cylinder lock capable of making the picking act difficult to the utmost only by changing a shape of a cord pin without incorporating any new mechanism and component and lowering the risk resulting from unjust unlocking.The w...
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JP2005133486 |
To provide a cylinder lock that maintains highly reliable operability for a long time.This cylinder lock is made by rotatably inserting into a cylinder case 6 the plug 5 that holds within a tumbler inserting hole 4 the pin-shaped tumbler...
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JP2005129248 |
To provide a latch with a switch enabling a movable terminal to be easily attached.This latch L with a switch is so structured that, when a movable terminal 41 is pushed into a housing 11 against energizing force of a coil spring 61, the...
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JP3675747 |
To provide a cylinder device and a lock device having a long service life and providing excellent theft prevention property. This cylinder device is composed of a lock plug 12, an inversion member 30, a lock cylinder 10 sliding and fitte...
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JP2005120575 |
To provide a variable code type cylinder lock dispensing with the intervening operation of a change key and positively eliminating the reuse of an original first key made nonusable by the change of key code while allowing the reuse of th...
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JP3671350 |
To obtain an auxiliary lock fixture, which has a simple structure and can correspond to frames having a large number of specifications flexibly, in which there is no projecting section to the indoor side and which has excellent strength ...
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JP2005113645 |
To provide a variable code type cylinder lock, capable of surely eliminating reuse of an original first key made unusable by changing a key code, by dispensing with interposition of a change key.This cylinder lock is constituted so that ...
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JP2005076286 |
To provide a construction device of a cylinder lock capable of improving crime preventive performance with a simple constitution.This construction device has a construction master key used in a work period, and an owner key 8 used after ...
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JP2005076267 |
To provide a cylinder lock which can positively prevent unexpected change of an unlocking code even if operation that cannot be assumed under normal operating conditions, is performed, to thereby improve the reliability thereof.The cylin...
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JP2005016176 |
To provide a locking device, in which a malfeasant unlocking work cannot be conducted even when a hole is bored to a door.In the locking device, a two-point drawing system in which a locking key can be retracted at both places of an unlo...
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JP2005002641 |
To provide a cylinder lock which is simple in structure, can temporarily inhibit locking/unlocking operation of a door lock by means of a normal key for use in normal times, and can be restored to a state in which the original normal key...
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JP3628656 |
To provide a cylinder lock which makes it difficult to replicate a key illegally, by virtue of possession of a profile including a curved surface part, makes it difficult to grasp an arrangement form of tumbler pins, and greatly improves...
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JP2004332309 |
To provide a variable code type axial pin tumbler lock capable of simply and quickly carrying out changes of a key code, eliminating complicated detaching work such as a stopper or the like for controlling a rotational angle from a locki...
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JP2004332510 |
To prevent any damage to a keylock due to malicious mischief by employing a completely new kind of keylock mechanism which has no key hole in the lock mechanism.Permanent magnets are arranged in a key; small balls are floated inside a ca...
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JP2004324055 |
To provide an inexpensive door lock which reduces the number of components, by considering that a security effect of an indoor-side cylinder is not required so much in comparison with an outdoor-side cylinder, in spite of a double-sided ...
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JP2004324141 |
To provide a key convertible type pin tumbler lock at a low cost even if it is produced by a multiple types and a small quantity.The key convertible type pin tumbler lock is equipped with a casing 10, a first rotational body 20, a second...
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JP2004324293 |
To provide a cylinder lock miniaturized even when a motor is used as a driving source.The cylinder lock is composed of a plug 2 rotatably inserted into a cylinder case 1, a worm 4 driven around a rotating shaft along the longitudinal dir...
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JP2004308309 |
To provide a cylinder lock which is not readily unlocked by picking or the like.A key 12 for the cylinder lock has a plurality of insertion plates 33 which are radially arranged from its stem and different in thickness. A cylinder 14 has...
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JP2004300772 |
To provide a key, a cylinder lock and a locking system, which cannot be unlocked with the conventional picking tool.This key 1 having a head 2 and an insert part 3 includes: a movable plate 4 provided in the interior of the key 1 and pro...
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JP3604666 |
To provide a tumbler lock capable of inhibiting a second illegal operation by surely detecting unlocking through illegal operation as defensive measures against illegal unlocking operation. This tumbler lock is provided with an illegal o...
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JP2004256991 |
To provide a cylinder lock wherein necessary and sufficient flexural strength is maintained even in a narrow part, and which is free from damage and deformation due to the collision or contact of an operating recess with another object.I...
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JP3589350 |
To provide a cylinder lock capable of surely preventing a wrong unlocking phenomenon without requiring a long minimum basic unit for key code set change. An end surface 12 at the head part of a code pin 6 is formed into a protruding sphe...
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JP2004232299 |
To provide a variable cylinder lock which enables the setting of a keycode to be rapidly changed with ease.A first through-groove and a second through-groove which communicate with a key inserting hole are formed in the inner peripheral ...
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JP2004232307 |
To provide a variable cylinder lock which enables the setting of a keycode to be rapidly changed with ease.A first through-groove and a second through-groove which communicate with a key inserting hole are formed in the inner peripheral ...
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JP2004204447 |
To provide a cylinder lock prevented from being illegally unlocked using a tool.The cylinder lock has upper and lower pins 7, 8 inserted through an outer cylinder 1 and an inner cylinder 2, respectively. The upper pin fitted into a pinho...
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JP2004197376 |
To allow the unlocking of a frame body and a glass window without carrying out the operation of inserting and turning a key in a key insertion hole.A rotating shaft 4c of a cylinder 4 is connected to a rotating shaft 8a of a motor 8 arra...
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JP3573345 |
To provide a key, a cylinder lock and a locking system, which cannot be unlocked with the conventional picking tool. This key 1 having a head 2 and an insert part 3 includes: a movable plate 4 provided in the interior of the key 1 and pr...
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JP2004190406 |
To provide a cylinder lock for a shutter door, which enables the locking/unlocking operation of the shutter door to be reasonably and smoothly performed by using a plate key, and enables the keys to be set to be of great variety.The abov...
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JP2004176514 |
To provide a snakily formed lock which inhibits the insertion of a tool into a keyhole and the operation of the tool, to thereby prevent illegal picking.When a key is inserted into the keyhole, a projection 1 in the keyhole is opened in ...
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JP2004169306 |
To provide a keylock device, simple in structure and reduced in size to meet demands toward more safe and sure keylock in the present advanced information society, and built in multiple application related devices.In this keylock device,...
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JP2004162385 |
To provide a key of a magnet lock capable of reducing costs and completing the number of various colors.A key built-up body 10 set in the magnet lock 40 comprises a key grip section 20 and a magnet holder section 30, a fittingly locking ...
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JP2004143750 |
To solve a problem in various existing tumbler locks that safety cannot be secured against illegal unlocking such as picking using an unlocking tool.A rotor 1 with a key insertion port is rotatably inserted in a cylinder 2, and a plurali...
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JP2004137672 |
To provide a variable code type cylinder lock, for always correctly varying an intended keycode by precisely moving a variable tumbler member to a designated tumbler pin hole in varying the keycode.In this variable code type cylinder loc...
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JP2004124410 |
To increase strength in the axial direction of a cylinder lock in a lock for a bicycle to prevent picking and facilitate its manufacturing.Yarn number count holes 3 formed with a pin receive hole 4 and a guide hole 5 are formed in both s...
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JP2004108062 |
To provide a single pin or multielement pin type cylinder lock that has an illegal unlocking preventing function by relating a compression spring integrally formed into a substantial spiral from an outer spring part and an inner spring p...
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JP2004108107 |
To overcome the following inconveniences: configuration of a personal identification system using a magnetic card or an IC card is expensive, and a conventional key switch accepts only a single signal and cannot perform personal identifi...
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JP3533599 |
To provide a long-sized cylinder lock which can be easily manufactured at low cost, and with less manhours in which a cylinder and connecting shaft are used. The cylinder lock is provided with a cylinder lock body 1 in which a lock shaft...
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JP2004076361 |
To provide a cylinder lock having a high picking-preventive effect.Composite type tumbler sets or magnetic tumbler sets are arranged so as to be crossed one another into a plurality of corresponding through-holes formed to a case and a r...
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