104results about "Tumbler locks" patented technology

The present invention is directed to a zipper lock that includes an actuator operatively connected to an actuation plate and a blocking plate positioned relative to the actuation plate so as to at least partially block the movement of the actuation plate when the zipper lock is in the locked configuration. The actuator and the actuation plate are configured for interaction so as to transform movement of the actuator into movement of the actuation plate when the zipper lock is in an unlocked configuration. The zipper lock further includes a latch control plate operatively connected to the actuator, and operatively connected to a latch, in which the latch includes a locking finger configured for locking engagement with at least one locking head that is configured to retain a zipper pull tab to the zipper lock when the zipper lock is in a locked configuration.

A locking device for a storage cabinet that has a door, a cabinet body and a hook defined in the cabinet body facing the door. The locking device mounted on the door. The locking device has a body, a cylinder and a card. The body has a case, a cap and a controlling device. The case has a card slot. The cap is mounted on the case. The controlling device is mounted inside the case and connects to the cylinder. The cylinder has a cylinder body with a keyhole and a key. The card can be inserted into the card slot. When the card is inserted into the card slot, the key can be rotated to operate the lock. The method of using a card instead of coins for the operation a locking device provides convenience.

A lockable case includes a base casing having two opposite first lateral walls, a top cover openably connected to the base casing, a slide block, and two slide bars disposed respectively on two opposite sides of the slide block. Each slide bar has an inner end, and a locking element to engage a corresponding first lateral wall. The slide block is disposed between the inner ends of the slide bars, and is movable between locking and unlocking positions that respectively prevents and permits inward movement of the slide bars. An actuating lever is connected pivotally to the slide block to move the slide block to the locking position. An elastic member is provided for biasing the slide block toward the unlocking position.

The present invention, in a non-limiting example embodiment provides a locking apparatus and method for securing locking hardware without the use of a key. In an example embodiment, the apparatus comprises at least a keyless insertion rotatable disk-style, barrel locking apparatus that, in a locked state can be inserted into a securing device without first unlocking, and then, thereafter, locking after insertion. In a nonlimiting example embodiment, unlocking and re-locking requires a key. The present invention, in an example embodiment, also provides features that allow the locking apparatus to enter and exit multiple apertures without requiring a key.

The invention relates to an anti-prizing separating structure used for a lock, which consists of a lock head, a driving gear, a driven gear and a part used for fixing the lock head. An elastic part is arranged between the lock head and the part used for fixing the lock head. When in normal use, a lock body is comparatively fixed in virtue of the elastic part; when a lock cylinder is twisted by an abnormal torque, the lock cylinder drives the lock body to turn and also drives the meshed driving and driven gears to be separated, so as to lead the torque brought to the clock cylinder for separating to fail. The invention has the advantages of simple structure, easy and simple manufacture, low cost. The lock heads installed on various bins, cases and automobiles, etc. objects all can adopt the structure of the invention, so the invention is provided with a wide application scope and a strong practicality.

The invention relates to a door lock, in particular to a door lock for an opposite-door refrigerator. The door lock comprises a lock box, a key rotating shaft arranged in the lock box and two lock shaft cores connected with the key rotating shaft and arranged in the casing of the lock box in a penetrating way. The door lock is characterized in that the door lock also comprises a rotating disk fixedly arranged on the key rotating shaft, and two first connecting rods, two second connecting rods and two third connecting rods which form two sets of lock mechanisms with the two lock shaft cores; in one of the two sets of lock mechanisms, one end of the first connecting rod, the second connecting rod and the third connecting rod is articulated together, the other end of the first connecting rod is articulated with the rotating disk, the other end of the second connecting rod is articulated with the lock box, and the other end of the third connecting rod is articulated with one end of the lock shaft core. Through the ingenious connecting rod structure, the operations of simultaneously closing the two doors in sequence, opening one door and closing the other door, simultaneously closing the two doors, and opening the other door while closing one door can be controlled through the door lock, thereby realizing separate opening and closing control to the two refrigerator doors. Besides, the invention also discloses an opposite-door refrigerator provided with the door lock.

A lock for locking a movable member to a fixed member, wherein the movable member has a recess, and wherein the fixed member has a threaded through bore. The lock includes a head, a stem, first locking apparatus, and an optional second locking apparatus. The head is for selective rotational resting in the recess in the movable member. The stem selectively movably depends from the head and is for selectively engaging in the threaded through bore in the fixed member. The first locking apparatus selectively prevents rotation of the head relative to the stem to thereby prevent rotation of the stem and withdrawal thereof from the threaded through bore in the fixed member to thereby selectively prevent removal of the lock from the fixed member. The second locking apparatus depends operatively from the stem, is operatively connected to the first locking apparatus, and is for selectively preventing retraction of the stem from the threaded through bore in the fixed member to thereby further selectively prevent removal of the lock from the fixed member.

The invention discloses a lock, a transmitter and a method for locking and unlocking a cover body of the transmitter, and aims to ensure the reliability of interlocking and unlocking between a lock body and a lock core and prevent failure of the interlocking and the unlocking between the lock body and the lock core. The lock comprises the lock body; the inside of the lock body is provided with a lock hole; the lock body is sleeved with the lock core which can rotate relative to the lock body; and the lock core is provided with a lock bolt, wherein the lock body is provided with a groove, and a first elastic rocking block is arranged at a position, which a key inserted in the lock hole can touch, on the lock core; when the first elastic rocking block rotates and presses against the groove of the lock body, the lock body and the lock core are interlocked; and when the key is inserted in place, the key extrudes the first elastic rocking block from the groove of the lock body in a rotating mode so as to remove the interlocking between the lock body and the lock core. The lock can be applied to cases, boxes, doors and the like.

The invention relates a composite coded lock for a bag, said lock comprises a central lock hook in the middle, at least one side lock hook, a bottom shell, a locking device, a clamping device and a linkage, wherein the locking device is fixed on a casing and has a key lock and a coded lock; the coded lock has a controlled lock blade which has a limiting portion; the limiting portion is controlled by the key lock and the coded lock to move between an unlocking position and a locking position; the clamping device has a clamping pedestal fixed on one side of the bottom shell; the clamping pedestal is provided with a locking piece clamped with the side lock hook and a push and control block used for controlling the movement of the locking piece; the linkage is arranged on the bottom shell.

The magnetic anti-tampering system of the present invention provides a mechanical and magnetic security system. It utilizes a modified paracentric key and a locking assembly affixed to a component inside of a paracentric lock. The present invention increases the security of a pair centric lock by defeating the unauthorized operation of pair centric locks by unauthorized users, such as inmates, who have fabricated copies of the authentic, paracentric keys. Paracentric locks and keys are the most common type of locks used in jails, state prisons, and detention facilities. The locking system requires that both the teeth of the key and the magnetic pairs of the key and locking dog combine to open the lock.

An antitheft door lock comprises a main bolt mechanism, a key unlocking mechanism and a latch bolt unlocking mechanism, and is further provided with a manual locking mechanism; the manual locking mechanism comprises an outer half shaft, an inner half shaft, a master gear, a slave gear and indoor and outdoor handles; both the inner half shaft and the outer half shaft are installed as stepped shafts and divided into four parts: the outermost part are small cylinders respectively installed inside a lock box and a lock cover, chamfered edge cylinders are respectively fixedly bonded inside the outer half shaft and the inner half shaft, the biggest cylinders are all provided with sector grooves, smaller cylinders respectively installed on the front end are covered inside the master gear together, the outer half shaft of the most frontend extends out of the small cylinders, the inner half shaft is accessed in the small cylinder hole, and the outer half shaft and the inner half shaft are mutually assembled together through clearance fit; both sides of the central shaft hole of the master gear are provide with fixed blocks, and the lower end is provided with gear teeth and is meshed with the slave gear fixed by the swing link in the master bolt mechanism. The advantages are as follows: firstly, the operation is convenient, and the antitheft door lock can prevent a theft from opening the door and getting out after entering the room, thereby improving the security of the antitheft door lock; and secondly, the antitheft door lock prevents excessive external force from destroying the manual locking mechanism.

The invention discloses a mechanical lock and relates to the technical field of lock manufacturing. The mechanical lock comprises a lock body and a lock cylinder, wherein the lock cylinder is installed in a sliding way in the lock body, the lock cylinder is a hollow tube, a baffle is arranged in the middle of the lock cylinder in the axis direction and divides an inner cavity of the lock cylinder into two symmetrical halves, lock pin sliding ways with even numbers are arranged on the baffle and are symmetrically arranged towards two sides of the baffle with the central point of the baffle in the length direction as the basic point, and lock pins are installed in the lock pin sliding ways. A plurality of lock pin inserting grooves butting against external ports of the plurality of lock pin sliding ways in the lock cylinder when the lock cylinder rotates to the locking position in the sliding ways are arranged on the lock body, and the lock pin inserting grooves are symmetrically arranged with the central points of the sliding ways as the basic point. The lock pins are in a '+' shape, and transverse edges of the lock pins extend out from two sides of the baffle. A gear is sleeved on the middle section of the lock cylinder, the gear is installed in a gear groove on the lock body, the gear is meshed with a rack, and two ends of the rack extends out from rack holes on two sides of the lock body. The mechanical lock requires fewer parts and is strong in illegal unlocking prevention capability.

FIELD: construction.SUBSTANCE: safety lock (1) with locking plates (7), in particular, for armoured doors, comprises a system against break-in, including moving facilities, which may automatically move at least one locking plate (7) into the position of maximum lift, when at least one locking plate (7) is exposed to a blocking force in direction of crossbar (5) retraction.EFFECT: improved design.6 cl, 3 dwg

A safety lock of the type with safety plates or gorges comprises means of arrest that withhold temporarily one or more gorges in a position moved away from their resting position, in such a way as to enable actuation of the lock with a first key, and means for deactivating said means of arrest in such a way as to enable actuation of the lock only with a second key different from the first key. Preferably, the adaptation of the lock to operate only with the second key is obtained simply as a result of using the second key in the lock.

An electrically controlled lock is composed of casing, lock bolt, and mechanical and electric locking mechanisms. The lock features that its electric locking mechanism is controlled by a lever controlled by electromagnet. Its advantages include low control current to generate stronger magnetic force, compact structure, small size, and low cost.