Abstract: The invention relates to a closing device which comprises a stationary part (2) and a pant (3) which is displacably mounted thereon. Tumblers (Z1-Z5) are arranged by means of a key (19) in order to release the displaceable part (3). Said tumblers (Z1-Z5) are maintained in a locking position by means of the locking element (14, 27, 33). The locking element (14, 27, 33) can be adjusted by means of a drive (13, 23, 30) in order to release the tumblers (Z1-Z5), which can be controlled via an electronic control device (16).

Abstract: A locking mechanism (1) responsible for moving crossed rods for locking a door or compartment of a vehicle such as a bus, has a main cylinder (2), a fixed base (3) and articulated arms (4) equipped with rod holders (4.1). The locking mechanism herein being substantially more compact and efficient than similar mechanisms in terms of application and functionality, as the locking mechanism avoids rotating parts in the mechanism for effecting locking and unlocking, instead relying on a push/pull activation which provides many advantages.

Abstract: A pin-tumbler locking mechanism comprising a lock-core with an elongated key slot and a series of bores arranged in a plane of the key slot for a corresponding series of driver pins of various lengths slidably received in the bores. The lock-core is normally supported in lock casing. A corresponding series of spring-supported key pins is seated in a series of bores coaxially with the driver pins so that normally at least some of the key pins are adapted to push respective driver pins to project into the key slot each by a different extent according to the respective lengths thereof; a key comprising alternately teeth and notches so that when inserted into the key slot, the driver pin ends contacting the key pins become flushed with planar surface to allow a sliding movement of the lock-core within the lock casing.

Abstract: A dispenser housing has a closure mechanism that serves to hold the dispenser housing closed. A key either can be carried by an individual to be employed to override the closure mechanism to permit the opening of the dispenser or can be selectively mounted to the dispenser housing to position a release mechanism appropriately to permit the release mechanism to be manipulated to override the closure mechanism. When the key is not mounted to the dispenser, the release mechanism cannot be appropriately manipulated to override the closure mechanism.

Abstract: A raised access floor service box can have a plurality of entry points that are segregated from one another. Each of the plurality of entry points can be associated with a corresponding plurality of segregated chambers. At least one of the segregated chambers can be configured to be a secure chamber, which further can include a door to the chamber. The door to the secure chamber can include a lock that secures and prevents the door from opening when the lock is in a locked position, thus securing the cables and cable connections within the security chamber. In addition, the raised access floor service box can have connector ports that are only accessible within the security chamber. The raised access floor service box thus allows for various types of cables, with various levels of security, to be associated with a single raised access floor service box.

Abstract: A system for activating a predetermined set of vehicle features on a vehicle is provided. The system comprises a valet keyfob in wireless communication with the vehicle and configured to activate the predetermined set of vehicle features when enabled, and a first processor coupled to the vehicle and configured to enable the valet keyfob to activate the predetermined set of vehicle features.

Abstract: A valve which is controlled using a master key such that only an authorized person is able to turn the valve on and off. The valve is constructed such that a fluid passage is controlled by rotating a handle relative to a body, including a locking device for maintaining a locked state of the handle relative to the body. A master key slot, which extends to the locking device, is formed in the handle, so that, when the master key is inserted into the master key slot, the locked state of the handle is released such that the fluid passage can be controlled by the rotation of the handle.

Abstract: A key system including a mechanical key and a lock apparatus into which the mechanical key is insertable. The mechanical key includes a key code pattern having recessed portions and non-recessed portions. The mechanical key is operated in key manipulation directions. The lock apparatus includes tumblers, each of which is associated with one of the recessed and non-recessed portions. The lock apparatus mechanically verifies the key code pattern when the mechanical key is inserted therein based on whether the tumblers are aligned with the associated recessed and non-recessed portions. The recessed and non-recessed portions in the key code pattern are deviated from the key manipulation directions.

Abstract: A sanitary dispenser (1) has a housing (1) having an openable cover (20). A locking mechanism (7) locks the cover (20) laterally to the housing (1) and unlocks it by means of a key (25). The locking mechanism (7) has a push rod assembly (9, 14) having two centrally coupled rods (11, 16) which can be displaced in opposite directions and each of which ends at an insertion opening (6). The insertion of the key (25) on either of the two sides (4) of the housing in each case displaces both rods (11, 16).

Abstract: A locking device for securing a structure comprising an inner body having an inner surface for attachment to the structure, an outer cover located circumferentially about the inner body, the outer cover freely rotating around the inner body in its securing configuration and a key for insertion into an opening in the outer body. First and second magnets are located in spaced apart first and second cavities within the key such that the magnets are oriented with the south pole of the first magnet and the north pole of the second magnet facing in the same direction. The magnets act on a pin within the body of the lock such that, in a first embodiment, when the key is removed from the lock body the pin is magnetically held away from contact with the inner body resulting in a free turning, locked configuration.

Abstract: A lock includes a stationary key mass having a first key mass bore and a keyway, and a movable spring mass including a first spring mass bore. A first spring mass pin is mounted in the first spring mass bore, and a first key mass pin is mounted in the first key mass bore for reciprocation between a locked position immobilizing the spring mass and an unlocked position unconstraining motion in at least one direction. The unlocked position is a function of the presence of a matching key in the keyway. Multiple key mass and spring mass pins can be used, some or all of which can have stepped configurations, and corresponding single-bladed or multi-bladed keys, or multiple keys, can be used. The keys can be straight or curved in any of various planes, or they can be straight but flexible to match curved keyways. Curves can be unidirectional or compound. Relative motion between the key mass and spring mass can be in a plane or along straight line or circular.

Abstract: A thin lock has a housing, a core assembly mounted in the housing, multiple pin assemblies arranged longitudinally in the core assembly, and a latch assembly mounted through the housing and selectively activates the core assembly and the pin assemblies. Thus, when the thin lock is mounted on a door panel, numbers of the pin assemblies does not relate to a thickness of the door panel. Therefore, the numbers of the pin assemblies are able to be added to increase the complexity and enhance the safety of the thin lock according to user's need.

Abstract: An ignition module assembly having a housing member connectable to an ignition system the housing having an undulating surface. A slider member is connected to the housing member and moved between a plurality of discrete positions. The slider member controls the ignition system based on its discrete position. The slider member is configured to receive a key fob. A spring member is compressed between the slider member and the undulating surface and is configured to slide along the undulating surface as the slider member moves between the plurality of discrete positions. The undulations correspond to the discrete positions and a user inserting the key fob into the ignition module assembly and moving the slider member receives haptic feedback to discern the position of the slider member.

Abstract: A valet key storage device includes a valet key storage portion for storing a valet key on which an engaging portion is formed, a locking portion provided with a locking mechanism for locking an ejection of the valet key by engaging with the engaging portion of the valet key, a key cylinder conducting a release operation of the locking mechanism by a mechanical key, and a control section for controlling an unlocking operation of the locking portion based on a release operation of an immobilizing function and the key cylinder by the mechanical key.

Abstract: A tumbler-type key verification system including a tumbler-type key and a lock apparatus. The lock apparatus includes a support member, a movable member movable relative to the support member, tumblers which are biased by tumbler springs and are arranged to engage with the support member and the movable member, and a lock mechanism that reinforces the locking strength of the tumblers. The lock mechanism having a two-piece structure including a first piece movably accommodated in the movable member and a second piece movably accommodated in the support member. The lock mechanism reinforces the locking strength of the tumblers by having the first piece or the second piece engage both the movable member and the support member before the tumbler-type key is inserted into the lock apparatus or when the tumbler-type key is being inserted into the lock apparatus.

Abstract: A valet key storage device, includes a valet key storage portion for storing a valet key having an opening, a locking bar for locking the valet key, a driving section for driving the locking bar to be inserted into the opening of the valet key, and a control section for controlling the driving section to insert the locking bar into the opening of the valet key or remove the locking bar therefrom.

Abstract: Disclosed is a device for starting and operating an engine in a motor vehicle. Said device comprises an ID generator (20) which can be inserted into a stationary receptacle of the motor vehicle and is provided with an engaging means (25.1, 25.2) on at least one sidewall. At least one lever (30.1, 30.2) of the first class that encompasses a retaining arm and a control arm (32.1, 32.2) is used for retaining the ID generator (20) in the receptacle. The retaining arm is fitted with opposite engaging means (25.1, 25.2) while the control arm (32.1, 32.2) is equipped with a control point for the swiveling movement of the lever (30.1, 30.2) as well as a locking point (34.1) for a locking device which secures the inserted position of the ID generator (20). In order to embody the inventive device in a compact manner, a stationarily pivot-mounted elbow lever (30.1, 30.2) whose control arm (32.1, 32.2) extends perpendicular to the direction of insertion of the ID generator (20) is used in the receptacle.

Abstract: A mechanical key code verification system including a mechanical key and a lock apparatus into which the mechanical key is insertable. The mechanical key includes a key body and a key code pattern including a plurality of recessed portions and a plurality of non-recessed portions formed on the at least one plane of the key body, the key code pattern having line symmetry.

Abstract: A tumbler-type lock apparatus for use with a tumbler-type card key having a code pattern region including an array of holes and non-hole portions that expresses a key code of the tumbler-type card key. The tumbler-type lock apparatus includes a slider case and a slider movable relative to the slider case when the tumbler-type card key is inserted into the tumbler-type lock apparatus. Tumblers extending in the slider case and slider each correspond to one of the holes or non-hole portions. Springs bias the tumblers towards the slider. The tumbler-type lock apparatus verifies the tumbler-type card key when the tumblers are engaged with the slider case and slider during insertion of the tumbler-type card key. The slider includes accommodation portions. A distal end of the tumbler that has passed through the corresponding hole of the tumbler-type card key is accommodated in the corresponding accommodation portion.

Abstract: A valet key storage device, includes a valet key storage portion for storing a valet key having an opening, a locking bar for locking the valet key, a driving member for driving the locking bar to be inserted into the opening of the valet key, a locking pin for locking the locking bar, a driving section for driving the locking pin to lock the locking bar; and a control section for controlling the driving section to plunge or remove the locking pin into or from the locking bar.

Abstract: There is disclosed a key required to have a reduced mechanical strength. When an authentic key is inserted into the keyway in a locking device, only a plunger member starts to move from a standby position toward an operative position. When the plunger member is pushed to the operative position, an operating lever located in the locked position swings to the unlocked position. The operating lever unlocks a locking mechanism that is in a locked state. When an inauthentic key is inserted in the keyway, the plunger member and sleeve member move together to the operative position. The operating lever in the locked position does not swing. Thus, the operating lever maintains the body portion of the locking mechanism locked.

Abstract: A lock device includes: a case member that is attached to a lock target; a sleeve member that is housed inside the case member such that the sleeve member is movable along an axial direction; a plunger member that is housed inside the sleeve member such that the plunger member is movable along the axial direction; a coupling structure in which a key insertion hole that allows insertion of a key is formed, the coupling structure being placed inside the plunger member and coupling together the sleeve member and the plunger member; and a manipulable member that is rotatably coupled to the sleeve member and the plunger member, rotates when just the plunger member moves, and releases the locked state of the lock target. The coupling structure is configured to release the coupling just when a regular key is inserted into the key insertion hole.

Abstract: A cylinder lock includes a sleeve having a plurality of locking holes, a key plug housed in the sleeve and having an output portion to output an interrupted motion of a clutch device by moving in an insertion and extraction direction by an insertion and extraction of a matching key, and a plurality of key matching members movably supported to the key plug, arranged to be insertable and removable in the plurality of locking holes respectively, and withdrawn from the plurality of locking holes respectively by an insertion of the matching key into the key plug.

Abstract: A latch assembly for preventing access into a door or drawer is provided. The latch assembly includes a housing configured to mount on a door or drawer, and at least one dog is slidably mounted in the housing for movement between a locked position and an unlocked position. The latch assembly include actuators operatively connected to the dog for moving the dog to the unlocked position. A key is insertable into a key slot on a side of the housing to move the actuators. The latch assembly may be used in combination with a catch assembly configured to mount on a door or drawer frame. The catch assembly is constructed to engage at least a portion of the dog in the locked position. The catch assembly may include a spring to move the latch assembly relative to the catch assembly such that the door or drawer may open slightly while in the locked position enabling a key to be inserted into the key slot to move the dog to the unlocked position.

Abstract: A lock operated by a corresponding key. The lock has a housing, and a keyway is formed in the housing along a keyway axis for receiving the corresponding key therein. A latch is moveable with respect to the housing between a first position, wherein the lock is secured, and a second position, wherein the lock is not secured. A permutation surface is formed on the latch, and a plurality of intermediaries are disposed within the housing. Each intermediary has a first portion engageable with the permutation surface of the latch and a second portion engageable with the corresponding key, wherein insertion of the corresponding key into the keyway selectively engages the intermediaries with the permutation surface in a predetermined sequence, thereby moving the latch from the first position to the second position.

Abstract: A lock device has: a cylindrical case member in which is formed a space extending in an axial direction; a cylindrical sleeve member is disposed at an interior of the case member, and is supported and configured to move along the axial direction between a predetermined standby position and an operating position; a plunger member which is disposed at an interior of the sleeve member and configured to move along the axial direction, and which is supported and configured to move between the standby position and the operating position, and in which a key insertion hole, which is for insertion of a key from an outer side at the standby position, is formed along the axial direction; a plurality of tumbler members disposed at the plunger member and configured to move along a direction orthogonal to the axial direction between proper positions, a side lock member disposed at the plunger member and configured to approach and move away from the tumbler members, and an interlocking mechanism which, at a time when the co

Abstract: A card type mechanical key including a card member having a card surface and an edge portion. The card member includes a mechanical code pattern formed by partially eliminating the card surface or the edge portion and functioning as a verification code mechanically verifiable by a lock device. A fitting member is fitted to the mechanical code pattern. A concealment sticker is adhered removably to the card member in a state in which the fitting member is fitted to the mechanical code pattern of the card member so as to conceal the mechanical code pattern and the fitting member.

Abstract: An ignition lock for a motor vehicle includes a carrier element for holding an ignition key that is inserted in the ignition lock. The carrier element is movable along a longitudinal axis of the ignition lock. The carrier element pushes a slide bar from a blocking position to an unblocking position when the carrier element moves along the longitudinal axis. A latch bar, when in its latching position, restricts a movement of the carrier element along the longitudinal axis and, when in its unlatching position, allows the carrier element to move along the longitudinal axis. When the latch bar is in its unlatching position and the slide bar is in its blocking position, the slide bar prevents the latch bar from moving from the unlatching position to the latching position.

Abstract: A cabinet lock includes a lock shell, a lock frame and a restricting device. The lock shell defines a card insertion space, the lock frame includes a slide portion, a hasp portion, an initiative portion and a core, the hasp portion defines a slide groove, the initiative portion is fixed to the hasp portion within the slide groove. The core extends into the main shell to contact with the hasp portion. A block and a protruding portion are defined where the lock block moves away from the stop portion by an external force displacing the extruding portion. Thus, the key can be removed from the core when the card is inserted, and the block locks the card and does not permit removal of the card. The card can be removed when the key is inserted into the core which avoids the loss of the card and the key together.

Abstract: A magnetically coded card and a lock include a slot into which the card is inserted to operate the lock. The card has an aperture through which a card-impaling lock-in pin of the lock can pass when the card is fully inserted within the slot, thus retaining the card in the slot when the lock is unlocked and releasing the card when the lock is again locked.

Abstract: A magnetic card-operated lock has a rotatable exposed cover with a peripheral slot into which a magnetic coded operating card can by inserted for unlocking or locking the lock. The cover and principal locking components are mounted to rotate freely about a central axis between a null position and an unlocking position. A positionable weight is mounted to rotate with the cover plate and is radially separated from the axis so as to bias the cover towards various null positions under the action of gravity. There is also a card lock-in mechanism comprising a card lock-in pin that retains a card in the slot while the lock is unlocked, and a card for said lock with hole and dimple projections to retain it when inserted into the slot.

Abstract: A push button lock. The push button lock has a main housing with an aperture formed therethrough, a plunger which is axially moveable in the aperture of the main housing, and a ball retainer positioned in the aperture of the main housing. The ball retainer has a central aperture formed therein through which the plunger extends and a protrusion. Balls are placed on the ball retainer. An actuator is located in the main housing aperture above the ball retainer and is rotatable to an open position, wherein the actuator is in position to be pushed down to prevent the balls from moving away from the plunger shaft and thereby prevent the plunger shaft from moving relative to the ball retainer, and a locked position, wherein the balls are not retained against the plunger shaft and the plunger shaft can move relative to the balls retainer. A lock button having a lock housing and a lock cylinder is provided, with the lock cylinder being adapted to turn the actuator from the opened position to the locked position.

Abstract: The invention relates to a device for starting a motor vehicle motor. According to the invention, a slot is (11) used for inserting (59) the key (50) which is usually closed by a spring-loaded cover (14). The key (50) is displaced in the slot (11) into various key positions (20.1), in order to control different functions of the motor or other ancillary devices in the vehicle. In order to ensure a compact construction which is easy to use, the inventive device prevents the key (50) from turning in the slot (11) and the key (50) is displaced into at least three operating positions (20.1) for the control functions which are axially staggered. After being inserted for a first operating distance (51), the key takes up an initial position (20.1), in which it is secured in the slot (11) in a force-fit. In a subsequent second intermediate position, the key (50) is secured in a positive fit which can be locked automatically. This prevents the manual withdrawal (57) of the key (50).

Abstract: A device for actuating a lock on a door or hinged lid, particularly for a vehicle, includes a momentary contact switch and a lock cylinder having tumblers which are transferred between a blocked position and an unblocked position by a key. In the locked position, the tumblers interact with a locking edge which is released only in the unblocked position. The travelling motion of the momentary contact switch is transferred to an entry element of the lock only in the unblocked position. The lock cylinder is arranged in a manner that prevents it from twisting, and the blocking edge is configured to move transversely in relation to the tumblers. This transverse motion is caused by the traveling motion of the momentary contact switch. The blocked position of the tumblers prevents the transverse movement of the blocking edge. The traveling motion of the momentary contact switch is then only transferred to the lock when the transverse motion of the blocking edge is possible.

Abstract: The invention relates to a device (10.1) comprising a momentary contact switch (11) as well as a lock cylinder (20) having tumblers (21, 21′), which are transferred between a blocked position and an unblocked position by means of a key (22). In the blocked position, said tumblers (21, 21′) interact with a blocking edge (30), which is released only in the unblocked position. The traveling motion (12) of the momentary contact switch (11) is transferred to the entry element (40) of the lock only in the unblocked position. In order to obtain a simple and yet reliable device (10.1), the invention provides that the lock cylinder (20) is arranged in a manner that prevents it from twisting, and the blocking edge (30) is made such that it can transversally move (35) in relation to the tumblers (21, 21′). This transversal motion (35) is caused by the traveling motion (12) of the momentary contact switch (11).

Abstract: A lock cylinder-free lock device is constructed to include a casing, a locating block fixedly covered on a top side of the casing, the locating block having a plurality of vertical pinholes, a locking block moved in the casing between the locking position and the unlocking position, the locking block having spring-supported pins respectively extended out of a stepped top sidewall thereof and adapted for engaging into the pinholes of the locating block when the locking block moved to the locking position, and a key adapted for unlocking the locking block, the key having bottom pins of different lengths adapted for inserting into the pinholes of the locating block to disengage the spring-supported pins the locating block.

Abstract: A locking device comprises a housing (4), a bolt means mounted in the housing and an intermediate member connected to the bolt means and adapted for an essentially rectilinear movement back and forth between a first end position, in which the bolt means is retracted, and a second end position, in which the bolt means is extended. The locking device also comprises a latch means restricting the movement of the intermediate member when a proper code card has not activated the locking device. A cassette (10) , which is integrated with the intermediate member and has a card space (12) for reception of the card in a position that activates the locking device, is provided with a frame (17), which fully hides the card from the outside when the bolt means is extended.

Abstract: A lockable cap is disclosed which includes a base having an opening penetrating through the base plate, an openable cover pivotably mounted on the base for releasably covering the opening, an elastic member for elastically thrusting the cover in an opening direction for exposing the opening, a latch member for retaining the cover in a closed position with respect to the base against elastic thrust applied by the elastic member, a key-operated lock disposed in the base, a key-for setting and opening the key-operated lock, and a latch releasing member attached to the key-operated lock for releasing the latch member to open the cover when the key is inserted into the lock to open.

Abstract: A card key operated locking mechanism has a connecting mechanism for connecting and disconnecting a locking device with a manual operated handle, a controller for controlling the connecting mechanism in accordance with card key insertion or removal, a latch mechanism to allow the connecting mechanism to maintain connection of the locking device with the handle, and a releasing mechanism to release the latch mechanism upon operation of the handle. The card key operated locking mechanism allows a user to rotate the handle one time upon removal of the card key.

Abstract: A coupling lock having a base, a catch provided on the base, a restraining member on a free end of the catch. A matching cover is also provided on the base, having a channel with a through hole provided through the channel. The through hole is located so that when the cover is closed upon the base, the catch is inserted into the channel while the restraining member on the catch is deformed to penetrate into the through hole due to the compression by the cover. Such penetration secures the base and the cover together. A locking coil chamber member containing a plurality of pins located in multiple rows is provided on the base.

Abstract: A locking device includes a housing or a casing (3) having an opening (8) for the insertion of a lock activating card (6). The locking device includes a cylinder lock (5) which actuates a catch hook, an intermediate member (2) which is connected to the catch hook through the medium of a latch pin (10), and a pin-like latch member (1) that restricts movement of the intermediate member and therewith also movement of the catch hook until a correct card (6) is inserted into the opening. The card (6) includes at least one hole (6a) and the latch pin (1) can move perpendicularly to the card and therewith be received in the hole in said card, wherewith the latching effect of the latch pin is cancelled and the intermediate member is free to move. The latch pin (1), and therewith the card, is held fixed when the catch hook is swung out.

Abstract: A locking mechanism of the barb type is provided for releasably locking two elements together. One of the elements has two pairs of opposed barbs or hook type resilient members. The barbs or hooks of each pair facing each other and being spaced apart. The other element has a pair of opposed, spaced ledges with downwardly facing surfaces engageable, in a locking relationship, with the barbs. An appropriate size opening is provided in the first element above the opposed pairs of barbs. The opening is a round central portion and a pair of side lobes coextensive with the opposed pairs of barbs. A separate key having a central rotational axis is provided. The key has a handle, an intermediate round portion connected to a working end portion, and generally oval in shape or cross section. The key is insertable in the opening such that the narrow part of the oval portion rests between the pairs of opposed barbs.

Abstract: A tamperproof lock includes a housing of a cylindrical construction, and a lock body located in the cylindrical housing. The lock body is rotatably located in the housing such that the lock body can be turned by a key which is inserted thereinto. As the lock body is turned a predetermined angle by the key, the lock body is disengaged with the housing.

Abstract: A flexible material such as garment fabric to be protected against theft is clamped into a lockable security tag. A key can be inserted into a key hole formed in the security tag for releasing the lock and to remove the tag from the garment item. The key thereby has a shape which complements a member of the cam mechanism so as to allow the cam to be operated with the key. A given decoupler is matched to a given batch of security tags, and the given decoupler is not matched to another, different batch of security tags. A certain store, therefore, has a matched decoupler for its tags while another store has a different decoupler which is matched to a different batch. The decoupler is preferably a key. The security tag is thereby provided with a number of pins or prongs which break or bend back if an incorrect key is inserted or if someone attempts to pick the lock.

Abstract: A protector block is movable in a direction in which a key K can be inserted, and first engaging portions which engage each other when the protector block is pushed in are formed between the protector block and an outer lock cylinder. A crankshaft is movable in the direction in which the key K can be inserted, and second engaging portions which engage each other when the crankshaft is pushed in are formed between the crankshaft and the outer lock cylinder. When an object in place of a key is inserted into a key insertion hole and attempts are made to forcibly turn the object while pushing the object, the first engaging portions between the protector block and the outer lock cylinder engage each other, preventing the crankshaft from being turned. When attempts are made to turn an inserted object while pulling the object, the second engaging portions between the crankshaft and the outer lock cylinder engage each other, preventing the crankshaft from being turned.

Abstract: A locking device which includes a casing, a U-shackle, two locking plates mounted in the casing to lock the U-shackle in the casing, a lock cylinder driven by a card to release the locking plates from the U-shackle, wherein the lock cylinder includes a mounting shell mounted in the casing, a tumbler holder mounted within the mounting shell to hold a set of tumblers, a set of springs, and a set of steel balls, the steel balls being displaced to release the tumblers from the mounting shell for permitting the tumbler holder to be lifted to unlock the locking plates when the card is inserted through a card slot on the casing into a bottom slot on the mounting shell and a bottom slot on the tumbler holder.

Abstract: A pledge-lock cooperates with a pledge card having a deformable portion and a rigid portion such that the deformable portion deforms upon insertion to serve as a check on the card. When a proper card is inserted it actuates the pledge lock to release the cart and retain the card.

Abstract: A magnetic card key-operated locking device is disclosed. The locking and opening motion of the locking device is performed by a magnetic interaction between the card key and a plurality of magnetized pins. The pins are movably placed in a plurality of holes of a perforated stationary plate, a perforated operating plate and a movable plate. The pins are repulsed by a magnetic plate to cause the operating plate to be coupled to the stationary plate and thereby lock the locking device when there is no card key in a key insert slot. However, when there is a card key in the key insert slot, the pins are repulsed by the card key toward the magnetic plate to cause the operating plate to be separated from the stationary plate but to be coupled to said movable plate and thereby open the locking device.

Abstract: Disclosed is a lock for diskette drive suitable for inserting into and locking up a disk slot of said diskette drive to prevent any unauthorized data reading, writing, and copying, mainly including a top and a bottom covers closed together to contain a springy plate and a push plate therebetween. The push plate is disposed below the springy plate and is always pushed backward by a first compression spring. The bottom cover has a back recess into which a lock body is positioned. A spindle extends through the lock body for a plurality of lock pins to hang thereon. Front ends of the lock pins project through holes on the lock body to extend into a sliding groove formed on a movable member when a key card is inserted into a card slot on the lock body. The movable member is positioned between the bottom cover and the lock body and over the lock body and is always pushed by a second compression spring to an outward position and has a projection provided to one side thereof.

Abstract: A key operable electrical safety switch includes a housing and a switch operator that is operated by an actuator. A slot in the housing receives the actuator. A plurality of pin stacks, the stacks having axes that are parallel and perpendicular to the slot, are spring biased to extend into the slot. At least one of the pins engages the actuator to lock it in a fixed position relative to the housing. The actuator is released from the locked position, and displaced a predetermined stroke to actuate the switch operator and thereby change the state of the switch contacts, by a key. The key has a coded pattern of pin receiving holes corresponding to the locking pins to align the pins and release the actuator. The pins are correspondingly codeable.