PORTABLE

A lock for locking by-passing type slidable closure panels in a closed position with adjacent ends of the panels in spaced overlapping relation. The lock includes a lock housing mounted on one of the panels and having a lock plug mounted for axial sliding and rotary movement about an axis perpendicular...     

An adjustment control device for a chain. The control device includes a body member having a first orifice for slidably receiving the chain and a second orifice extending crosswise of the first orifice for receiving a shackle of a lock. After a chain has been inserted into the body member, the shackle...     

A telephone locking apparatus. The apparatus includes a base plate and keeper plate which cooperatively define jaw means for clamping the apparatus to the handhold shelf of a telephone desk set. The apparatus also includes a locking plate hingedly connected to the base plate and interlockable therewith...     

A bicycle locking device comprising a pair of plates with oppositely extending hooks which engage with the fork of a bicycle. The plates are positioned in abutment with each other, with opposite extended portions of the hooks received in aligning apertures in each respective second plate. The engaged...     

An auxiliary lock comprising a lock body for extension through an opening in the closure to be secured; there being a stop forming element on one end of said lock body for engaging one side portion of said door to limit the extension of said lock body therethrough, as well as to stabilize same in position....     

This is a lock which can be quickly and easily attached to the locking groove of the king pin of a trailer to block entrance of the king pin into the attaching slot of the "fifth wheel" of a tractor, the lock having a pair of pivotally connected pin-surrounding locking segments with a snap-in lock element...     

The portable safe includes a base containing means for securing the safe to a support surface and a cover for the base to protect the securing means and valuables therein. A lock is provided to lock the cover to the base. The securing means, in one embodiment, is a suction cup on the base which is selectively...     

An adjustment control device for a chain. The control device includes a body member having a first orifice for slidably receiving the chain and a second orifice extending crosswise of the first orifice for receiving a shackle of a lock. After a chain has been inserted into the body member, the shackle...     

A portable tamperproof and battery-powered alarm device used for locking in place, objects which need to be restrained from theft. The device is ideal for locking bicycles, mini-bikes, motor cycles, and the like, due to its portability and versatility. The device includes a casing for an alarm and operative...     

An auxiliary portable lock which comprises a housing, a lock body receivable within said housing, and adapted for axial rotation therein, said housing being internally communicative with a tubular casing axially normal to the longitudinal axis of said housing and being open at its opposite ends. There...     

A locking load binder having a conical lock tongue mounted on the handle and a keeper link secured to the yoke on one side of the handle and adapted to cooperate with the lock tongue to secure the handle thereto. The lock tongue includes cam driven locking balls which cooperate with the keeper link.

A lock having a pair of jaws and a connecting shaft therebetween turnable in a first direction in response to a locking action of a key to cause the jaws to move inwardly and tightly grip against a spoked wheel rim or frame member of a bicycle and releasable only upon an unlocking action of the key to...     

A locking device for the pedals of a motor vehicle is comprised of a first rigid support with a first rigid bar mounted at one end to the first support and perpendicular thereto. A second rigid bar is mounted at one end thereof to the first rigid support and in spaced relation and parallel to the first...     

The following specification describes a padlock adapter assembly comprising a pair of identical stamped plates each having a pair of spaced passages aligned with a respective passage in the other plate to form a pair of aligned passages for receiving a respective padlock shackle. A hook on one end of...     

An anti-theft device of the type which clamps upon an auto tire for resisting rotation of the tire. The clamp is formed of a pair of pivoting arms which may be manually closed upon opposite sides of a tire. Locking means are provided to secure the clamp and prevent unauthorized removal.

A lock apparatus comprising two parts which are secured together through the ring of a trailer hitch tongue to prevent the unauthorized use of the trailer. The two parts comprise mating first male and first female cylinders attached to first and second circular plates respectively, and a second male...     

A locking apparatus for use with a cabinet or other structure having double doors separated by a jamb at the point of closure. Two brackets are mounted on either side of the jamb, extending beyond the exterior surface of the cabinet sufficiently to install a locking device. The locking device obstructs...     

A portable door fastener is disclosed which includes a body of thin, sturdy material which can be inserted between a door and a door jamb and which includes a projection to engage in the jamb latch recess. The rearward end of the thin body is provided with a threaded block through which a partially threaded...     

A portable door lock (10) which is releasably coupled to door frame (12) and a door member (14) for positionally constraining the door member (14) to the door frame (12) when the portable door lock (10) is in an operational mode. The portable door lock (10) includes a door engagement mechanism (16) which...     

A device for preventing the theft or unauthorized use of an outboard motor, of the type having a remote fuel tank and a detachable fuel line, locks to the fuel line coupling of the outboard motor, thereby preventing the unauthorized connection of the fuel line to the fuel line coupling so that the motor...     

A chain lock is disclosed which has an outer sleeve fitting over an inner cylindrical case having a recess for the insertion of a link of a chain. When the case is rotated within the sleeve, a locking member moves within the recess to prevent release of the chain link from the recess. A locking device...     

A showcase lock for sliding doors including a keeper plate attached to one door and a lock adjustable along the keeper plate to lock the doors in a closed position. The keeper plate has inwardly directed flanges along opposite side edges defining opposed grooves and a row of stops between the flanges...     

A fuel tank lock for use with a conventional filler neck of an automotive vehicle. The filler neck has a baffle plate formed with a constricted passage normally closed by a biased-shut valve carried by the baffle plate. The valve is forced open when engaged by an unleaded fuel nozzle. The upper end of...     

Lock-protecting hasp for trailer full swing rear doors having locking bars which secures to the bars of the rear doors and includes two mating members and a shackle lock whether the lock be key or combination. A protecting block against the lock on the female mating member protects the shackle of the...     

The present proposal comtemplates an anti-theft device for unattended trailers, in the nature of a cover-plate assembly for locking the open end of the trailer tow bar to prevent unauthorized removal of the trailer as by connecting the open end of the trailer bar to a peg on a towing vehicle. The assembly...     

Apparatus for deterring theft of trailers which utilize a tow ring having a central opening and upper and lower annular surfaces. The apparatus assumes the operational position when the upper surface of a base plate is positioned proximate to the lower surface of the tow ring and the lower surface of...     

A wheel block for dual truck wheels having a pair of wheel ramps and a single center locking member adapted to releasably connect the wheel block to the wheel and tire rim of a vehicle so as to prevent movement thereof.

Apparatus for locking a motorcycle or the like which has a first part which rotates during powered movement of the associated motor vehicle and a second discrete part which is disposed proximate to the first part, the first part moving independently of the second part. The apparatus includes first and...     

A device for securing a shackle by limiting the rotation of the cross bolt includes means, such as a jamming block, for blocking the path of rotation of the cross bolt's head, and means for holding the blocking means in its blocking position. This holding means can comprise a flange which will restrict...     

Two generally flat, circular plates, one having an attached threaded male cylindrical shaped extension and the other an attached mating threaded female cylindrical shaped extension are threaded together through the ring of a trailer hitch tongue until the plates are in contact with the ring and held...     

A pivotally mounted coupling guard, extending over a ball engaging socket of a trailer hitch to preclude disengagement of the socket from the ball, is locked in place to deter unauthorized disengagement of the socket from the ball and theft of the attached trailer. A lock module penetrably receives and...     

A detachable guard or cover for preventing access to the keyhole of cylinder type locks in the face of a wall or locked door of a tool cabinet is combined with openings in the wall on each side of said keyhole. The guard comprises a generally U-shaped body having a pair of anchor legs joined at one end...     

This door lock assembly has a thin mounting plate which fits snugly against the door post and passes behind the rear edge of the door without interfering with the usual latch on the door. An opening in this mounting plate passes the usual striker on the door post for engagement by the door latch. The...     

Anti-theft apparatus for protecting an uncoupled trailer, including a portion mountable within the ball receiving end of a trailer and also including a U-shaped member and a draw bar insertable through the legs thereof for securing the assembly to the trailer tongue. A housing formed on one side of the...     

Methods and apparatus for releasably locking or blocking a door combine a first element with that door for blocking the door in an extended position of that first element and for alternatively releasing the door upon movement of the first element from such extended position. The first element is releasably...     

A positive gate latch having a striker bar and two vertical catch members held in place by two sleeves secured to a base. When the catch members are down, the striker bar (often referred to as a gate tongue) cannot move in either direction. The catch members are attached to an operating bar, allowing...     

A sliding glass door lock having a ratchet locking bar fastened to one sliding door, and a locking mechanism having a housing forming an abutment engaging the other sliding door. A window is formed in a base plate of the housing which lies adjacent to the door in the locked position and allows access...     

A device for securing an opposing pair of outwardly opening cabin doors on general aviation aircraft and the like. A pair of non-extensible elongated elements, such as a pair of rods or a rod and a cable, are joined together at one end such that the elements can rotate independently of one another. The...     

A conventional barrel-type combination lock receives a lock element extending from a safety pin housing. The safety pin housing pivotally receives a pin that pivots between an open position and a closed position. When the pin is placed in the closed position relative to the safety pin housing, and the...     

A locking device is provided which includes a body comprising a tube with a bore and a longitudinally-extending flange with a plurality of shackle receivers. The bore is adapted to slideably receive an elongate member, such as a load binder handle. The body is secured to a second member, for example...     

A portable locking device is provided for securing a computer disk drive unit which incorporates cooperating interlocking unit engaging means, one of which hooks onto the unit through the drive unit and slot, the other being in a pivotal relationship with the first engaging means and both engaging means...     

A concealed post lock includes an elongated cylindrical post having an enlarged head member secured at one end thereof and at least one locking member movably mounted at the other end thereof. The post contains a lock cylinder which is normally restrained from rotation within said post by locking pins...     

Disclosed is a locking device for securing an unattached trailer. The device includes an elongate, flat and ductile bar, along which two 90.degree. transverse bends are made, forming a medial base and parallel and opposed first and second arms. A locking pin is mounted to the base and extends in the...     

A pair of wrist shackles or handcuffs in which one handcuff is joined to a second handcuff by a single pivot member that permits one handcuff to pivot or rotate in a planar direction to overlay the other handcuff.

A clamp attachment for preventing rotation of the wheel of a vehicle, such as an automobile or truck. Designed to be mounted on site, the attachment comprises two hingedly connected members adapted to engage the inner and outer faces of the wheel rim. A swivel bolt extends in both members. One end of...     

A safety and security locking device is described for use with pneumatic brake air couplings to prevent access to the air coupling opening for applying air pressure to release the brake. First and second elongate arms are pivotally joined at a pivot access between the ends for pivoting motion between...     

A releasable locking device for preventing premature coupling of a truck tractor's air braking glad hand to a truck trailer's air braking glad hand is disclosed. The device includes a set of jaws adapted to interlock with each other and the non air-connecting end of a glad hand. A channel integral with...     

A security handle lock is provided and consists of a curved arm inserted through eyelets in a neck of a bag and a straight arm that has an eye portion at one end and pivots on other end with respect to the curved arm. The eye portion passes over end of the curved arm allowing a shackle of a padlock to...     

An effective vehicular anti-theft wheel lock is fashioned from two bent bars that can slide reltive to each other with a long extension of one of the bars projecting under the vehicle. Bent portions of the bars grip the wheel rim and means are provided for locking the bars together, as wtih a padlock...     

A device for locking the spare tire wheel of a pickup truck in place so that it can not be lowered from the truck body and removed by unauthorized persons. The device is made of two metal steel assemblies, one of which is a rectangular tube and the other a cylindrical plug. In this application, the spare...     

A hitch lock for disabling hitching couplers of trailer vehicles. A reversible keeper member includes a base portion and an extended portion projected forwardly from the base portion at an obtuse angle. The base portion includes an aperture through which is inserted an ear that is mounted on a tongue...     

Automobile child prevention locks are provided to prevent children from operating the door actuating lever and the window operating lever from the interior of the vehicle. The door actuating handle lock consists of two flat plates hinged together. A lock mechanism allows the plates to be locked together...     

A virgin disk is exteriorly secured across an open wall of a casing. When the disk is inserted in the slot of a computer and locked inside by a lever, the casing prevents access to the lever and to the disk and to the removal of the latter from the computer.

A locking device comprises a pair of double pivoted jaw members which, in their closed position, define a pair of closely spaced parallel gripping apertures, and in their open position define transverse entry passages to the apertures, one of which is adapted to lock a bicycle air pump therein, and the...     

An improved vehicle locking wheel chock comprising a pair of wedge shaped chocks having flat bottom ground contacting surfaces each rigidly affixed to respective end portions of a spacing bar with the chock bottom surfaces in a coplanar relationship and the oblique wedge surfaces of the respective chocks...     

A conventional barrel-type combination lock receives a lock element extending from a safety pin housing. The safety pin housing pivotally receives a pin that pivots between an open position and a closed position relative to the safety pin housing, and the lock element of the barrel-type combination lock...     

A locking fixture for use in locking up two wheeled vehicles such as bicycles or motorcycles. The fixture has a housing and at least one elongated, flexible locking member. One end of the locking member is fixedly mounted within the housing. The other end of the locking member is adapted to be inserted...     

A compact portable locking device designed primarily to be utilized in conjunction with coats, bicycles, skis and the like is disclosed. The device takes the form of a housing having two or more internal chambers. The housing has an upper hollow engaging cap portion and a lower complementary body portion...     

A lock for a stereo cabinet of a type having an interior floor and two swinging glass doors meeting along a vertical line in a closed position has a toothed lock bar for mounting to the interior floor of the stereo cabinet. A toothed tip portion of the lock bar extends transversely to the swinging glass...     

A container device by which a patron of a hotel or motel can leave articles such as shoes outwardly of the patron's room door for pick up and servicing by an attendant, but with the assuredness that the articles are locked for withdrawal only by an attendant who has lock-operation ability. No such ability...     

A plunger type lock has an elongate shank or housing with an enlarged head at one end and at least one lock element movable to project from the housing to engage a grooved or recessed member and lock the same to the housing and to retract into the housing to release the grooved or recessed member, a...     

A motor vehicle is disclosed including an apparatus for preventing theft of a spare tire, including a tire rim forming an aperture, a spare tire mounted on the rim, a bracket, sling or cable lift for securing the spare tire and rim, a metal shaft securely affixed to the motor vehicle, a metal strap looping...     

A locking device comprising a hasp rod having two limb portions and a pair of locking plate hingedly connected together along one of said limb portions of said hasp rod, said locking plate adapted for relative swinging movement between an open position where said plates permit access to said other limb...     

A device for securing a boat against unauthorized use is formed of a U shaped hasp with a slot for the reception of a latch lug that is pivoted to the U shaped hasp. The lug has an aperture for the reception of a padlock is preferably sized or provided with an enlargement to prevent the lug from being...     

A lock for a hand-held beverage dispenser which includes a dispensing spout. This beverage dispenser normally is activatable to select any one of several different types of beverages. During non-usage, the beverage dispenser is to be locatable within the internal chamber of a beverage dispenser lock....     

A locking mechanism for a modular communication socket in which device with locking mechanism is inserted into socket, and a sliding bolt is positioned posterior to retention shoulder of socket preventing the removal of device from socket, and therefore making socket unusable while device remains in...     

A securing device for surfboards comprising a mechanism securely attached to a length of cable with the cable having a fixed loop at its end opposite the mechanism. The mechanism consists of a body and a sleeve both containing complementary notches and holes which allow the device to attach to the metal...     

A telephone lock for preventing the plug of a telephone from being inserted into a corresponding line jack unit comprises a locking means including a shank member of a suitable length and size to be accommodated in the socket of a line jack unit in substitution for a telephone plug proper. The shank...     

A computer disk drive slot blocking device for permanent mounting on the computer featuring a rotatable blocking element associated with a base for attachment to be the computer and a housing containing a lock plug where insertion of the key into the lock plug allows the blocking element to be rotated...     

To prevent theft of an outdrive unit by removal from a bell housing mounted on the transom of a boat, a padlock holds together a pair of bent bars. The bars are made of a heavy stainless steel. Each bar hooks around an edge of the bell housing, wraps around one side of the bell housing and outdrive unit,...     

A security lock mechanism for use with a hook-up of a roll-off skid. The hook-up includes at least one plate having an opening formed in it for engagement by a coupler of a hoist truck. The lock mechanism comprises a first part shaped to be positioned closely adjacent the plate, and a second part shaped...     

A device for use with multiple individual locks has a sleeve element and a core element which are movable relative to one another linearly between the release position and an engagement position, and a ball is provided having first and second ends with the first end attached to one of the sleeve and...     

A tandem wheel attachment for hindering movement of a vehicle having tandem wheels; it comprises a T-shaped member adapted to be secured between the tandem wheels, and a wheel bracing member which securely engages one extremity of the T-shaped member and covers a major portion of the outer face of the...     

A lockable key box having a tubular receiver portion with an integrally formed mounting flange, and a closure plug which is lockably receivable in an open end of the receiver portion. The closure plug is formed of an inner sleeve which fits within the outer sleeve formed by the receiver, and a master...     

The invention relates to a security device for preventing theft of wind surfers. The device comprises first and second members which have projections for locating each member in the mast track of the wind surfer. The first member has a longitudinal section which co-operates with the second member to...     

Apparatus for preventing unwanted access to a disk drive is disclosed. A housing has a surface adapted to overlie the slot, an internal piston chamber extending inwardly from one end of the housing, and a lock receiving chamber intersecting the piston chamber immediate the ends of the housing. A fixed...     

A locking apparatus for use with surfboards and other articles which attaches to a cross bar on the article. The locking apparatus includes a member which surrounds the cross bar and a means for locking and unlocking the member to the cross bar thereby preventing unauthorized persons from removing the...     

An improved shackleless padlock which engages and secures a conventional hasp configuration by use of a pop-out lock mechanism which has a non-rotating cylindrically extending lock bolt that engages the hasp staple. The pop-out lock mechanism is created by use of a spring to bias the lock mechanism outwardly...     

Two versions of an improved device for preventing unauthorized access to computer, video, and audio and like disk and cassette drives are described. Drives with an existing external latch that prevents insertion or removal of the disk, such as standard 51/4 disk drives, are secured by means of an inserted...     

An inner member and outer member enclose a trailer kingpin. The inner member has an outer shell with a laterally extending slot for receiving the kingpin. Plates are mounted transversely of the shell adjacent to the slot edges for preventing axial movement of the inner member relative to the kingpin....     

A portable lid lock includes a base plate having a rotatable drum mounted thereon from which a cable will extend for extension or retraction upon rotation of the drum. A cover plate has a peripheral depending wall and is connected to the base plate to enclose the drum within a hollow cavity between the...     

A trailer lock structure is arranged for use by fifth wheel trailers, wherein a mounting plate is fixedly secured to a trailer bottom wall forward end to receive fifth wheel securement linkage within a cylindrical tube mounted orthogonally to the mounting plate extending therethrough. A latch plate is...     

An anti-theft locking system for marine outboard and out-drive units is provided. This system initially locks the motor propeller to the foot of the out-drive unit, and then allows a chain or cable to be used to lock the device, the boat, and the trailer to an immovable object. The locking system utilizes...     

Lockable covers are used to cover either of two types of shield blocks to prevent access to circuits within either of two types of external ports on computing devices. Each such shield block covers the port contacts associated with these circuits, includes locking surfaces for holding the lockable cover...     

A trailer lock for preventing the use of a conventional trailer tongue hitch on an unattached trailer vehicle. The lock comprises a towing ball securely fastened to a chain which, in a preferred embodiment, is installed in the socket of a trailer tongue to prevent an unattached trailer from being attached...     

A gladhand structure arranged for pneumatic communication between first and second conduits includes confronting and interlocking housings, with the housings including projecting flanges extending in a parallel relationship relative to one another, with the flanges arranged to receive a U-shaped locking...     

In accordance with illustrative embodiments of the present invention, a door lock for a rear door of a van includes a T-shaped member having a leg that is received in the opening between the door hinges, and arms that extend outward from the leg over a portion of the door and the body, respectively....     

A child resistant VCR cover comprises a cover plate having ribs for locating the cover within the video cassette door, a pair of cams which lock the cover in place, grips for rotating the cams, and springs for biasing the cams against the cover plate. The cover is installed by pushing and turning simultaneously...     

A hinged locking mechanism for use, in its most preferred embodiment, on an existing storage door hasp assembly, which hinged locking mechanism includes a case element hinged to a frame element having two frame pins for insertion into shank apertures defined by flange members of the existing hasp assembly....     

A portable lock for doors, intended for use at hospitals, nursing homes, or other institutions, whose rooms do not have a lock when they are occupied by patients or other occupants. The lock has a unitary plate upon which is mounted a clamping mechanism for attachment to the door and a locking mechanism....     

A security lock for a door used to open and close an opening defined by a door frame, the door having a reciprocable bolt movable into and out of a hole in the door frame. The lock comprises an elongate lock member having a flat end section with a central opening at one end of the lock member and a shank...     

The invention is an interlocking lockout device for a computer system. The lockout device comprises a locking disk dimensioned similarly to a floppy disk for so that it can be inserted and locked into a disk-drive. An engagement member of the locking disk interlocks with a bezel. In a locked position,...     

A locking device for locking an outboard motor onto a boat. The locking device includes a housing of greater length than a line formed between the clamping screws holding the motor onto the transom of the boat. A slot is formed in one side of the housing, and is closed on both ends, permitting only transverse...     

A portable auxiliary door lock includes a lock cylinder slidable upon a bar having toothed edges to engage the locking means within the cylinder. The device differs from such locks for sliding panels, as it provides for temporary attachment between the edge of an arcuately hinged door and the adjacent...     

An axial pin tubular lock for use in securing portable computers and other devices having spindle-accepting ports. The lock is bade up of an outer shell attached to a cable, an inner shell, a rotatable driver sleeve, a stationary tumbler sleeve, a rear scuff plate held in place by a combination of an...     

A trailer hitch lock assembly for disabling the trailer hitch of an unattached trailer to prevent theft of the trailer. The trailer hitch lock obstructs access to the trailer eyelet in the drawbar of the trailer hitch to prevent unauthorized hitching of the trailer to a truck with a military hitch. The...     

A lightweight vehicle immobilization device useful to prevent theft of a vehicle or to prevent driving of said vehicle by its owner having a hub shield, an adjustable arm, a upper arm and a lower arm, each of said arms having ends which are adapted to traverse the tread of a tire of said vehicle and...     

A locking device is provided for a vehicle having a spare tire hoist system for storage of the spare tire. The locking device includes a tubular member having a first end adapted to mateably engage an actuator tube on the hoist, and a second end. The second end includes a press-fit pin or extendable...     

A shackleless padlock system is provided which includes a lock mechanism having a cylindrical body both protruding from one end thereof with a key-operating locking pin which retractably protrudes from the lock mechanism from a first to a second position for selectively engaging portions of a padlock...     

A locking device for selectively lockingly engaging a towing element of a trailer to block coupling access to the towing element. The locking device includes a housing defining a towing element receptacle, an engaging element having an engaging portion and an actuating portion for selectively engaging...