Abstract: A key guard system includes a key cover including a base and a retractable sheath. The retractable sheath includes at least one retracting point, a power source, a wireless connector and a locking mechanism. Further, the key guard system includes a reader having a powered. The key cover and the reader are in wireless communication with each other and further in wireless communication with an application of a mobile device. The key guard system is configured to secure a key within the retractable sheath and prevent tampering and otherwise unwanted removal of the key from the retractable sheath.

Abstract: A transport clip for attachment to a key fob is provided. The transport clip includes a neck at least partially surrounding a key blade, which is selectively rotatable between a stowed position in which the key blade is substantially within a fob body and a deployed position in which the key blade extends away from the fob body. The neck prevents rotation of the transport clip relative to the key blade. The transport clip also includes an ear portion that depresses a latch button to an unlocked position, which allows substantially free rotation of the key blade, relative to the fob body, between the deployed position and the stowed position.

Abstract: The invention relates to a cable lock, which consists of a lock body combined with a traversing part, wherein a slider and a holder are set inside the lock body, at least an upper bead hole is set on the slider, the at least an upper bead hole is set corresponding to at least a lower bead hole set on the holder, the upper bead hole and the lower bead hole may be glided and corresponding to each other by shifting the slider, to control at least a lock ball gliding in and out, hereby perform unlocking and locking spacing on an inserting slice set on one end of the traversing part, to thereby achieve the burglarproof and prized-proof effect.

Abstract: A key mechanism that makes it possible to fix the key inside the cylinder bolt lock outphased from the original combination, thereby preventing the cylinder of the bolt lock from turning. The security of the key mechanism is also enhanced as a cylinder tumbler engages within a slot of the key blade and the key cannot then be expelled from the cylinder bolt lock. Therefore, it is impossible to insert another key or picklock from the other side of the cylinder bolt lock.

Abstract: The invention relates to a key, in particular for an automobile, which comprises:—a casing (3) with an upper half shell (3a) defining a lid and a lower half shell (3b) defining a casing bottom;—an insert (5, 7) pivotally mounted relative to the casing (3) and capable of movement between a rest position in which the insert (5, 7) is stowed in said casing (3) and a use position in which the insert (5, 7) is extended relative to said casing (3);—an insert (5, 7) extension device mounted in the casing (3) and including: a push button (19) axially received in a cavity (21) combined with the upper half shell (3a) and protruding from the upper half shell (3a) so as to be actuated by a user; and an elastic return member (23) for the insert (5, 7), having a first end (23a) connected to the insert (5, 7) for pivotally urging the insert (5, 7) into the use position when the push button (19) is actuated.

Abstract: The portability of a mechanical key and a locking/unlocking key having the mechanical key is improved. The mechanical key is housed in a portable device in such a manner that a key plate is folded into two at a portion formed with an inner groove. Thus, the housing space for housing the mechanical key can be reduced and the portable device can be made smaller. Accordingly, the portability of the locking/unlocking key can be improved.

Abstract: The portability of a mechanical key and a locking/unlocking key having the mechanical key is improved. The mechanical key is housed in a portable device in such a manner that a key plate is folded into two at a portion formed with an inner groove. Thus, the housing space for housing the mechanical key can be reduced and the portable device can be made smaller. Accordingly, the portability of the locking/unlocking key can be improved.

Abstract: A tool for unlocking a locking cylinder, with a tumbler consisting of a plurality of spring-loaded locking bodes that can be displaced crosswise to the rotational axis of the locking cylinder. The tool comprises a rotating part (1) provided with two driver noses (10) on its cylinder side end, which can be inserted into the keyway. The tool furthermore comprises a sliding part (4) that is positioned such that it is connected form-locking to the rotating part 91) in the rotating direction and axially movable in the axial direction and has a flat sensing element (6) on the cylinder-side end that can be inserted into the keyway. The cross-sectional profile of the sensing element corresponds at least in some sections to the cross-sectional profile of the keyway, wherein at least one sensing body (9) for displacing the locking body inside the locking cylinder is assigned to the sensing element.

Abstract: A lock with a fixable key includes a shell, an upper half core, a lower half core, an elastic member and a fixable key. The upper and the lower half core contained in the shell respectively have a lengthwise passageway for a flexible moving member of the key to extend in to unlock the lock. The lower half core has a key hole in a rear end, and a groove for containing the elastic member having an upper end to fit in a notch formed in the groove. The key has the moving member, a push block and a housing having a position recess to engage the upper end of the elastic member so as to position the key in unlocking and make the moving member smoothly slide in the passageway of the lock to prevent the key from deadlocked or breaking in handling in unlocking or locking.

Abstract: A rotation restricted barrel lock and key includes a rotationally actuated barrel lock and a key for opening the lock. The key comprises a lock engaging portion rigidly attached to a handle, and a sleeve rotatably mounted on the handle shaft. The sleeve may slide axially along the shaft within preset limits. Lock actuation is characterized by rotation of the lock engaging portion of the key relative to the lock. During actuation of the lock, a set of prongs on the sleeve engages a complementary set of notches on the barrel lock, thereby non-rotatably coupling the barrel lock to the sleeve. By grasping the sleeve, the user can prevent rotation of the lock while turning the key handle, and thus actuate the lock.

Abstract: The method and apparatus for picking a lock which utilizes a single blade or pair of elongated thin, rigid, interchangeable blades which are to be inserted within the keyway of the lock. Each of the blades have an upper hiatused surface and can have an off-center sharpened edge so that the sharpened edge will contact the cylindrical lock pins of the lock spaced from the center of each of the lock pins. The off-center sharpened edge could be formed by beveling the side of the blade or by making a cut-out in the blade. The hiatused surface of the blades cause the “V” shaped tips of the cylindrical lock pins of the lock to move lineally with the sharpened edge causing the lock pins to pivot. Instead of a hiatused surface, there could be used one or more deflectable members, tufts of bristles or a brush. The blades are to be driven in a reciprocal manner with one blade moving in and the opposite blade moving out.

Abstract: The method and apparatus for picking a lock which utilizes a single blade or pair of elongated thin, rigid, interchangeable blades which are to be inserted within the keyway of the lock. Each of the blades have an upper hiatused surface and can have an off-center sharpened edge so that the sharpened edge will contact the cylindrical lock pins of the lock spaced from the center of each of the lock pins. The off-center sharpened edge could be formed by beveling the side of the blade or by making a cut-out in the blade. The hiatused surface of the blades cause the lock pins of the lock to move lineally with the sharpened edge causing the lock pins to pivot. Instead of a hiatused surface, there could be used one or more deflectable members, tufts of bristles or a brush. The blades are to be driven in a reciprocal manner with one blade moving in and the opposite blade moving out.

Abstract: The method and apparatus for picking a lock which utilizes a single blade or pair of elongated thin, rigid, interchangeable blades which are to be inserted within the keyway of the lock. Each of the blades have an upper hiatused surface and can have an off-center sharpened edge so that the sharpened edge will contact the cylindrical lock pins of the lock spaced from the center of each of the lock pins. The off-center sharpened edge could be formed by beveling the side of the blade or by making a cutout in the blade. The hiatused surface of the blades cause the lock pins of the lock to move lineally with the sharpened edge causing the lock pins to pivot. Instead of a hiatused surface, there could be used one or more deflectable members, tufts of bristles or a brush. The blades are to be driven in a reciprocal manner with one blade moving in and the opposite blade moving out.

Abstract: A key and an installation double cylinder for a security lock is disclosed with two cylinder halves, a cylinder core and tumblers which are constructed as core pins and housing pins and can be brought into line by means of the key, which can be inserted into the keyway to release the cylinder core for rotation. The key has, at its bit, a lengthening element by which the tumblers in an oppositely located cylinder half can be brought into line for free turning. The cylinder half on the outside of the door can have a solid rotor of hardened steel which protects the cylinder half on the inside.

Abstract: An axial pin tumbler lock comprises a housing, an outer tumbler pin seat, a plurality of outer tumbler pins, an inner tumbler pin seat, and a plurality of inner tumbler pins. The smallest distance between the center of the outer tumbler pin seat and the outer edge of at least one of the outer tumbler pins is greater than the radius of the first axial hole of the housing, so as to enable the outer tumbler pin in question to be concealed by a shoulder located between the first axial hole and the second axial hole of the housing.

Abstract: A lock assembly includes a lock shell, at least first and second key plugs, at least first and second tumbler means, and a key for operating the first and second tumbler means. The lock shell has a front end, a rear end, and an accommodation hole extending from the front end to the rear end. The first and second key plugs are aligned axially and are mounted rotatably within the accommodation hole of the lock shell. The first and second key plugs respectively have first and second key ways. The first and second tumbler means are used for positioning respectively the first and second key plugs against the lock shell when the lock assembly is in a locked position. The key can operate the first and second tumbler means so as to rotate the first and second key plugs simultaneously.

Abstract: There is disclosed a lock and key assembly comprising a lock assembly including a lock body having cylindrical portions, a cylinder retained in the lock body and mounted for rotative movement in the lock body, the cylinder having a head portion having a keyway therein, and a shank portion extending from the head portion and adapted to activate a lock mechanism upon rotation of the shank portion, and a key shell assembly comprising a tubular grip portion, a piston disposed in the grip portion, a key extending from the piston and adapted to enter the keyway, the piston being rotatably movable in the grip portion to turn the key in the keyway and thereby turn the cylinder to cause activation of the lock mechanism, the key shell assembly grip portion being engageable with the lock assembly lock body to hold the lock body against rotative movement during the rotative movement of the cylinder.

Abstract: A cylinder lock having a key insertion hole or clearance formed between a casing and a key guide member. A key for the cylinder lock is provided with a thin cylindrical member which is to be inserted into the annular key insertion hole when the key is inserted into the cylinder lock. The cylindrical member is filled at its first end section with a part of a key shank. A slider is slidably disposed inside the cylindrical member and normally located inside the second end section of the cylindrical member. The slider is formed at its tip end with a fitting projection which is to be fitted in a guiding depression formed at the tip end face of the key guide member. The key insertion hole is formed narrow or thin, corresponding to the thin cylindrical member of the key, thereby preventing a picking tool from being inserted through the narrow key insertion hole into the cylinder lock.

Abstract: A security combination key is provided, which consists of a hollow housing having a removable cover plate. An elongated guide member having an open track therein and a ward groove on a side thereof, extends from one side of the hollow housing. A plurality of blades having serrations extend in parallel relationships from within the hollow housing into the track of the guide member with the serrations exposed in the track. An apparatus is for sliding the blades in the track of the guide member, to form various combinations with the serrations to match up with pin tumblers in specific locks. A device is for locking the blades in a stationary position in the track of the guide member. The guide member having the ward groove can be inserted into a keyway having a compatible set of ward ridges in a cylinder of the lock, allowing the serrations of the blades to properly position the pin tumblers to permit operation of the lock.

Abstract: A lock assembly includes a lock body having tumbler members and a curved keyway, and a flexible key to be received in the curved keyway and having key bit projections for actuating the tumbler members. The flexible key has a degree of stiffness sufficient enough to allow said key to be inserted into said curved keyway.

Abstract: A double-acting barrel lock and key in which the lock has a hollow plunger which reciprocates between a security forward locking position and a normal rearward unlocking position. The lock also has a lock pin coaxially mounted within the hollow plunger for reciprocating between a forward unlocking position and a normal rearward locking position. When a nail-type pick is inserted into the rear of the lock and drives the lock pin forwardly to its unlocking position, a spring urges the hollow plunger forwardly to its security locking position in which the locking balls are maintained in their outward locking position.A key has double-acting means for simultaneously maintaining the hollow lock plunger in its normal rearward unlocking position while moving the lock pin to its forward unlocking position, thereby permitting the locking balls to move inwardly to their unlocking position.

Abstract: A key rotatably supported in a mounting and capable of being brought into engagement with a lock is held in the correct orientation for engaging the lock by being locked to the mounting by a retractable sleeve. Only when the mounting is brought into engagement with the lock does a portion of the lock engage the sleeve and push it back relative to the mounting to free the key for rotation. The mounting may be on a moveable part of a machine guard with the lock on a fixed part and controlling operation of the machine.