Abstract: A trailer hitch lock is disclosed that is particularly useful for preventing the theft of trailers that utilize pintle-type hitches. The lock includes a pair of steel plates which are hinged at one end. An upstanding steel projection is located substantially at the center of the interior of one of the plates. When the plates are pivoted toward their closed position, the pin fits within the opening of the trailer hitch pintle. The forward end of each of the plates includes a flat steel locking flange extending toward the other plate. Each steel locking flange has a hole passing therethrough which cooperates with the other when the plates are in their closed positions so that a padlock can be passed therethrough to maintain the device in a closed position. Located to either side of these cooperating locking flanges are a further pair of steel guards which protect the padlock by preventing a cutting tool from reaching the padlock.

Abstract: A locking mechanism having a box with a hinged lid in which the box and hinged lid form a circular aperture between them when the lid is closed. The box has an anchoring flange attached which is used to anchor the box to the chassis of a vehicle. The box is anchored and the lid then closed with the aperture around the end of the bar which must be lifted before the third seat can be removed from a sport utility vehicle. Integral with the box is a locking mechanism consisting of a curved bar which holds the lid shut and a turning lock stop. The curved bar removably penetrates the box and has a groove cut across the portion of the bar which fits through the box. The turning lock stop can be moved into a position in which it prevents turning or removal of the curved bar. The turning lock stop can be turned only by means of a key or secret combination.

Abstract: A lock for securing an article on display includes a casing having a front opening and a hook contiguous to the front opening, with a locking body received in the casing. The locking body is formed with a bolt having a front lip that is movable out of the casing through the front opening. In addition, the locking body is designed so that the front lip of the bolt may be extended out of the casing and securely kept alongside the hook until the lock is opened.

Abstract: The specification discloses a locking device for a cargo-container closure of the type comprising a pair of doors hingedly mounted to a body of the cargo-container, each door having associated therewith in spaced-apart relation at least one upright lockrod the lockrods being adapted for securement to the body in a closed condition of the doors, and in which closed condition of the doors the lockrods are laterally spaced-apart a finite distance. The locking device comprises a pair of separate arms, each arm having a principal length extending between first and second ends, the first end of each arm defining a stop adapted to confront one of the lockrods, and the second ends of the arms being adapted for secure interconnection in end-to-end abutting relation.

Abstract: The present invention relates to a multipurpose device designed to prevent thefts of trailers, heavy tows and so called dollies, i.e., having coupling elements with a pull rod and a turn table, designed to haul a trailer by means of a truck, all of which being provided with coupling devices, designed to connect the trailers to a traction vehicle. The locking device comprises a box-shaped lock house (1) in which the coupling device on the tow, the trailer and the dolly is designed to be positioned and locked by means of a locking shaft (4), which is inserted through the lock house (1) and can be located in the lock house (1) in various positions, depending on the character of the coupling device to be locked, and consequently said coupling device is enclosed in the lock house (1), and the tow, the trailer or the dolly is prevented from being connected to any unauthorized traction trailer.

Abstract: An apparatus which inhibits the theft of equipment such as personal computers is disclosed. The equipment must have an external wall provided with a specially designed, approximately rectangular slot having preselected dimensions. An attachment mechanism includes a housing for a spindle having a first portion rotatable within the housing, a shaft extending outwardly from the housing, and a crossmember at the end of the shaft having peripheral dimensions closely conforming to the internal dimensions of the slot. An abutment mechanism also emanates from the housing, and is located on opposite sides of the shaft intermediate the housing and the crossmember. The peripheral cross-sectional dimensions of the abutment mechanism and the shaft in combination closely conform to the dimensions of the slot. The length of the shaft from the housing to the crossmember is approximately equal to the thickness of the external wall of equipment.

Abstract: A multi-use motorcycle apparatus and method therefor capable of being easily transported and configured into any of three different apparatuses usable for motorcycles: (a) a towing trailer for a motorcycle where the trailer is dimensioned to be coupled to a vehicle receiver hitch; (b) a frame lift for lifting and supporting the frame of a motorcycle; and (c) a motorcycle lock.

Abstract: A locking device for a compact computer or a small computer, in particular, a personal data accessory or a palm data accessory (hereinafter referred to as PDA), is presented. The invention also includes a blocking device which is connected with the locking mechanism and is convertible between an unlocking position and a locking position, the blocking device is adapted to be locked and secured by the locking mechanism. The blocking device is adapted to be set to the locking position and resist against the incline surface of the stand so as to lock and secure the PDA with the stand.

Abstract: A security system for connecting a cable to consumer articles, such as cameras, and the like, to prevent unauthorized removal of the articles from a predetermined area while being displayed in retail establishments on open shelves. The system in its most basic form comprises a device including a security cable and a threaded fastener. The security cable is passed through the threaded fastener, and then the threaded fastener is attached into the body of the article. The threaded fastener head has a special configuration and cannot be removed without a special key, thereby preventing the unauthorized removal of the secured property. The threaded fastener also includes a circular borehole through the entire length of the threaded fastener to allow the cable to pass through the opening, and a step is provided inside the borehole to stop the cable from coming off the fastener.

Abstract: A security device for portable computer is disclosed. The security device comprises an anchor attached securely to the portable computer. The device also includes a lock box that makes use of a channel, wherein the channel is open at each end and is selectively openable laterally. The device further includes a cord that couples the anchor and the lock box.

Abstract: A hitch lock for inhibiting the theft of a trailer. The hitch lock includes a base member having a base plate. The base plate is designed for abutting a bottom of the trailer hitch. The base member has a rod portion. The rod portion is coupled to the base plate whereby the rod portion extends through an aperture of the trailer hitch. A top plate has a receiving bore. The receiving bore slidably receives the rod portion of the base member. The top plate is designed for abutting a top of the trailer hitch when the receiving bore receives the rod portion of the base member and the base plate abuts the bottom of the trailer hitch. A locking member is selectively couplable to the rod portion of the base member for securing the top plate to the base member.

Abstract: The nature of this invention is a secure, anti-theft, tamper resistant locking device for 5th wheel type trailer hitch pins.

Abstract: A tailgate limiter for restricting a pickup truck tailgate from being opened. A vertical post is removably mounted in a base which is mounted to the truck. The post impedes the tailgate from opening, thereby preventing theft of objects in the truck bed.

Abstract: A multifunction padlock for providing a single unit lock that has the functions of an ordinary lock in conjunction with a lockout system with multiple staples that can be used as a group or individual access lock. To attain this, the multifunction padlock generally comprises of a housing, a staple unit within the housing, a lockout unit within the housing working in conjunction with the staple unit, a group lockout lever attached to the lockout unit parallel to the main shackle, a shackle unit attached from the holding rod to the keying mechanism parallel to the main shackle, a group lockout lever attached in conjunction with the lockout unit and parallel to the unlocking control rod, a shackle unit attached to the top inner chamber of the housing, and a keying mechanism attached in the inner chamber to the bottom surface of the housing.

Abstract: An apparatus which inhibits the theft of equipment such as personal computers is disclosed. The equipment must have an external wall provided with a specially designed, approximately rectangular slot having preselected dimensions. An attachment mechanism includes a housing for a spindle having a first portion rotatable within the housing, a shaft extending outwardly from the housing, and a crossmember at the end of the shaft having peripheral dimensions closely conforming to the internal dimensions of the slot. An abutment mechanism also emanates from the housing, and is located on opposite sides of the shaft intermediate the housing and the crossmember. The peripheral cross-sectional dimensions of the abutment mechanism and the shaft in combination closely conform to the dimensions of the slot. The length of the shaft from the housing to the crossmember is approximately equal to the thickness of the external wall of equipment.

Abstract: A lock nut designed for securing a nut on bolt, specifically for those situations in which the bolt cannot be rotated and the bolt is located proximate to an object that can obstruct the ability to rotate the lock nut on the bolt. The lock nut can change form by the addition of pieces, the removal of pieces, or by changing the shape of a single piece. The lock nut is designed such that in one form it can be threaded onto the bolt and, thereafter, it can be changed in form and locked into this new form, the new form being such that the lock nut cannot be fully rotated on the bolt without encountering an obstruction, thus preventing the ability to remove the lock nut.

Abstract: A coupler lock for securing a device within a sleeve of a vehicle hitch to prevent unauthorized removal of the device which can include a hitch ball insert, a cargo platform, bike carrier or similar accessory designed to be attached to the vehicle. The coupler lock includes a lock housing removably attached to one end of a lock bar configured to pass through apertures within the hitch sleeve and insert. The lock housing has a plurality of ball bearings radially movable in and out of an annular groove to lock and release the bar. A locking cup longitudinally movable within the lock housing in response to movement of the lock cylinder retains the bearings within the groove or releases the bearings from removal of the lock bar from the lock housing.

Abstract: This invention relates to a lock assembly to be used in conjunction with two or more padlock assemblies. The lock assembly comprises a main body 1, a main shackle 2, and a locking portion 7. When all subsidiary padlocks 5, 6 are locked into the apertures 3, 4 the main shackle 2 cannot be opened. The removal of either subsidiary shackle allows the locking portion 7 to circumvent the second subsidiary shackle and the main shackle 2 may be opened. This allows two persons to independently use the padlock without sharing keys or other secure information. Moreover the lock assembly may be used with any secure fitting designed for use with a traditional padlock.

Abstract: A hitch ball locking plate for securing equipment in the bed of a truck, a trailer, or the like. The hitch ball locking plate comprises a first plate having a first guiding aperture. The first plate further comprises a second plate normal to the first plate and extending across the first plate. The second plate has a substantially semi-circular removed portion in communication with the first guiding aperture. Pivotably connected to the first plate is a locking bar which locks the first and second plate to a hitch ball in the bed of a truck, trailer, or the like. From this position, equipment and goods can be locked to the plate for security.

Abstract: A portable door security mechanism which allows an existing door to be temporarily secured from the non-hinged side of the door without destruction or penetration of the door, the door frame or any existing components of the door, is disclosed. The device uses a cylindrical locking pin which is designed to slip underneath the door to be secured and rotated such that part of the locking pin protrudes upward to prevent the door from opening from the inside. The locking pin is secured to a base plate member and a cover plate which, when interlocked over a portion of the locking pin, is disposed to accept a conventional pad lock or similar device. The disclosed security mechanism can be folded through a hinge mechanism for convenience and can be applied or removed quickly without having access to the interior side of the door.

Abstract: A protective cover for a realtor's lock box is provided. The cover comprises a substantially rectangular assembly of panels, wherein at least some of the panels include a resilient layer that protects the lock box from impacts and protects objects that impact the lock box. The cover may also include one or more straps, and the straps may be releasably attached to one or more of the panels. The cover includes an opening at a bottom end to allow a key compartment to eject from the lock box. In a preferred embodiment, the cover includes a sleeve for storing realtor's business cards.

Abstract: The backhoe lock is a device for locking the forward-reverse lever of a backhoe to the steering wheel. The backhoe lock has a base plate having two parallel rows of posts extending from its top surface, including a group of four posts arranged substantially in a square configuration, and another spaced apart pair of posts aligned linearly with opposing sides of the square. The middle pair of posts are notched. A lock plate has a plurality of holes defined therein in the same configuration as the posts so that the lock plate may slide over the posts. A lock mechanism is installed in the lock plate and controls a catch which engages the notches in the middle pair of posts so that the lock plate cannot be removed from the posts without inserting a key in the lock and rotating the cylinder.

Abstract: A strap lock has a flexible strap having a leading end and a trailing end. A locking device includes a first strap engagement portion that is capable of holding one part of the strap in position with respect to the locking device in a lock position thereof, and releasing the one part of the flexible strap in a release position. A second strap engagement portion engages another part of the flexible strap. A lock is capable of locking the first strap engagement portion in the lock position. The strap is preferably woven from strands of metal and high strength polymer.

Abstract: A tire lock mounts to an opening in the vehicle frame in order to suspend a locking bar down through an opening in the spare wheel. A locking device may then be slid over the distal end of the locking bar in order to lock the spare wheel securely in place. The locking device is designed to accept a lock cylinder from the manufacturer's easily-defeated spare tire lock, so that the locking device of the present invention may be keyed with the remaining locks of the vehicle. The locking mechanism of the present invention also incorporates a spring-loaded resilient boot which engages the vehicle spare wheel lug nut hole, thereby preventing annoying rattling between the spare tire lock of the present invention and the spare tire.

Abstract: An anti-theft device for water craft to secure boats and to secure accessories in three embodiments. The first embodiment discloses a two part locking mechanism comprising a tubular locking bar which reciprocates into locking relationship with a tubular locking cylinder. Both the locking bar and the locking cylinder have projecting and bent locking legs of elongated length configured to enclose the horns of a cleat in secure relationship. The locking bar is capable of being reciprocated into the locking cylinder and locked therein to maintain the locking legs around the horns of the cleat. The second embodiment discloses a locking bar and locking cylinder arrangement wherein the horn engaging locking legs are of relatively thin wall tubular construction and fit around the horns of the cleat. In the third embodiment the horn engaging legs are of circular ring construction and are attached respectively to the locking bar and locking cylinder as described in the other embodiments.

Abstract: A lunette trailer hitch lock prevents theft of trailers and other objects equipped with a lunette-style trailer coupler hitch having a lunette eye. The lock device has a top member and a bottom member which are engageable with each other. A conventional step in lock can be used to lock the top member and the bottom member together while sandwiching and plugging the lunette eye, thereby preventing any attempt to access the lunette trailer hitch.

Abstract: A lock for a computer has a housing, a core pivotally mounted to the housing, a latch formed on and extending out of the core, a rod coupled to the core. The rod has a flange end and a pair of pins extending from the flange end. A spring is disposed around the rod to provide a resilience to the pins, and a cable is pivotally connected to the housing. A case of the computer has a latch chamber and an entrance communicates with the latch chamber to allow the latch and the pin to enter the latch chamber through the entrance.

Abstract: A tire clamp for immobilizing a vehicle including a fixed bar having a generally L-shaped configuration. The fixed bar is comprised of a horizontal segment and a vertical segment. The horizontal segment is comprised of an inner portion and an outer portion. The inner portion has a plurality of sharpened teeth extending downwardly therefrom. The vertical segment has an inwardly angled lower portion. The fixed bar is positionable with respect to a tire with the horizontal segment disposed above and extending across the tire with the plurality of teeth abutting the tire and pointed thereat. A movable bar has an inwardly angled lower portion and is coupled with the fixed bar and is slidably mounted thereon. The movable bar is positionable with respect to a tire with both inwardly angled lower portions positioned against an exterior of the rim the tire is mounted on while the sharpened teeth remain oriented toward and abutting the tire.

Abstract: A clutch lock for preventing starting or operation of a recreational vehicle. The clutch lock includes a clutch member, a locking mechanism, and a handle. The clutch member includes two legs, connected at one end, to form a U-shape. The clutch member is placed through the housing on a vehicle's clutch. The locking mechanism operates to connect the two open ends of the legs of the clutch member to fix the clutch lock to the clutch housing. The lock is operable between a locked position where the clutch lock is fixed to the clutch housing and an open position where the locking mechanism may be removed to allow removal of the clutch lock. The handle extends away from the clutch member such that it makes contact with the frame of the vehicle to prevent the clutch from rotating and, thus, the vehicle from starting.

Abstract: A lock for securing a lowered or non-lowered landing gear of a tractor trailer comprising two hinged interlocking halves secured by a keyed locking cylinder which has a pin intersecting apertures in flanges of the halves.

Abstract: The backhoe lock is a device for locking the forward-reverse lever of a backhoe to the steering wheel. The backhoe lock has a base plate having two parallel rows of posts extending from its top surface, including a group of four posts arranged substantially in a square configuration, and another spaced apart pair of posts aligned linearly with opposing sides of the square. The middle pair of posts are notched. A lock plate has a plurality of holes defined therein in the same configuration as the posts so that the lock plate may slide over the posts. A lock mechanism is installed in the lock plate and controls a catch which engages the notches in the middle pair of posts so that the lock plate cannot be removed from the posts without inserting a key in the lock and rotating the cylinder.

Abstract: A wall-mounted locking system for firearms comprises a wall-mounted base plate having hinged primary and secondary latch doors. A breech hook is connected to the base plate. The primary latch door carries a locking mechanism, which is dimensioned to pass through a hole or cut-out provided in the secondary latch door. Additionally, a barrel ring or muzzle hook is wall mounted above the base plate. A firearm is held against the base plate via the breech hook, which engages the firearm's ejection port and prevents the firearm from being loaded with ammunition. The barrel ring or muzzle hook prevents the firearm's barrel from being moved laterally. The firearm is secured via closing the latch doors and locking the lock.

Abstract: A locking device (10) for the conventional hitch pin (100) on a trailer (200) wherein the device (10) includes a generally U-shaped rigid one piece collar member (20) having an enlarged opening (21) dimensioned to slidably receive the recessed neck portion (101) of the hitch pin (100). The legs (29) and (22) of the collar member (20) are provided with a pair of oppositely facing counterbores (24), (25) and a through bore (30) that are dimensioned to receive a tempered steel bar member (40) and a lock member (60) for captively engaging the bar member (40) across the enlarged opening (21) in the collar member (20).

Abstract: A locking device (10) for the conventional hitch pin (100) on a trailer (200) wherein the device (10) includes a generally U-shaped rigid one piece collar member (20) having an enlarged opening (21) dimensioned to slidably receive the recessed neck portion (101) of the hitch pin (100). The legs (29) and (22) of the collar member (20b) are provided with a pair of oppositely facing counterbores (24), (25) and a through bore (30) that are dimensioned to receive a tempered steel bar member (40) and a lock member (60) for captively engaging the bar member (40) across the enlarged opening (21) in the collar member (20).

Abstract: An apparatus for securing a cable to a portable device equipped with a security slot defined within an outer wall. A first member is coupled to a second member with each member having at least one aperture defined within a body portion thereof. A locking member protrudes from a bottom edge of the first member and a pin protrudes from a bottom edge of the second member. The first and second members are movable from an unlocked position wherein the locking member is adapted for insertion into the security slot and engagement with the outer wall, to a locked position wherein the pin slidably abuts the locking member to secure the locking member within the security slot. When the first and second members are in the locked position, the aperture is aligned to allow for passage of the cable.

Abstract: A lock mechanism includes a casing having a cavity therein, a shaft with an annular recess insertable into the cavity, a lock tumbler with a rotatable output member, and a spring-biased rigid locking clip pivotally mounted to the casing in the cavity so as to normally engage the recess in the shaft to secure the shaft to the casing unless pivoted out of the recess by the output member of the lock tumbler. Such a lock mechanism can used be to solve many different security problems, including securing a ball to the ball socket of a trailer hitch as a deterrent to theft of the trailer.

Abstract: A portable door security mechanism which allows an existing door to be temporarily secured from the non-hinged side of the door without destruction or penetration of the door, the door frame or any existing components of the door, is disclosed. The device uses a cylindrical locking pin which is designed to slip underneath the door to be secured and rotated such that part of the locking pin protrudes upward to prevent the door from opening from the inside. The locking pin is secured to a base plate member and a cover plate which, when interlocked over a portion of the locking pin, is disposed to accept a conventional pad lock or similar device. The disclosed security mechanism can be folded through a hinge mechanism for convenience and can be applied or removed quickly without having access to the interior side of the door.

Abstract: A trailer hitch module for engaging a trailer tongue socket includes a base and a ball fixed to the base for engaging a socket cup. A locking arm is provided and pivotally attached to the base so that it is movable in a plane parallel to the base between a close position engaging a protruding lip of the socket in order to prevent removal of the socket from the ball and an open position away from the lip in order to enable removal of socket from the ball. A lock mechanism is provided for securing the locking arm in the closed position.

Abstract: A trailer security device includes a housing configured to permit placement over a trailer hitching device with the housing enclosing an enlarged perimeter segment of a trailer hitch. An enlarged perimeter segment is defined as an end portion of the trailer hitching device that is relatively larger in its perimeter or cross-sectional dimension than an adjoining or adjacent relatively narrow or reduced perimeter segment. A slot is formed on face of the housing and fits over a reduced perimeter segment of the trailer hitch while the enlarged perimeter segment of the trailer hitch will not pass through the slot. The hitch security device also includes a housing closure configured to close the entry aperture of the housing in a locking engagement.

Abstract: A trailer wheel rim lock comprising two steel jaw members hinged together at one end and secured around a wheel rim at the other ends and wherein a chain is fixed to one jaw and passed through a guide member on the other jaw to tighten the jaws together around the wheel rim and a padlock is passed through the chain to lock the chain around the jaws.

Abstract: A theft prevention lock for trailers with socket-type hitches has a first plate element having a base portion and inner and outer ends. An upwardly extending arcuate protrusion is formed on the inner end of the first plate to penetrate the socket of a trailer hitch through an open bottom of the socket. An upwardly extending ear is on the outer end of the base portion and has a aperture therein. A second plate element has a lower end and an upper portion curving upwardly and terminating in a hook element with a lower arcuate portion complimentary in shape to the arcuate portion formed on the inner end of the first plate element. An aperture is in the second plate registering with the aperture in the ear of the first plate. The first and second plates are pivotally connected together.

Abstract: A multipurpose cable lock is provided where one end of a cable joins a lock body. The other end of the cable joins a mobile stopper head. The main body of the mobile stopper head has an annular groove. The bottom face of the main body has a raised portion embedded into a groove of the lock body. The main body of a locking stopper head has an annular groove. Two locking feet having hook heads are joined in the main body. An axial stopper is used to unfold and fold the locking feet. The axial stopper has a raised head embedded in the groove of the lock body. An adjusting stopper head is slipped on the cable. The adjusting stopper head joins a bushing through a pin. The center of the bushing is screwed to a locating shaft capable of moving axially to press on the cable.

Abstract: A hitch and lock device for coupling a trailer to a vehicle includes a lock rod engaged through the elements from the vehicle and the trailer, and a lock device engaged with the lock rod to secure the elements together. The lock device may be quickly engaged onto the lock rod to lock the lock rod to the elements and to solidly secure the trailer to the vehicle. The lock device includes a latch slidably received in a housing, and a spring biasing the latch to engage with the lock rod, and an actuator actuated by a core with a key to disengage the latch from the rod against the spring.

Abstract: A service vehicle ladder lock for fastening a step or extension ladder to a conventional ladder rack running either along a side of the roof of the vehicle or across the top thereof. This ladder lock forms a rectangular framework for placement about the ladder and the ladder rack in close proximity to inhibit movement in any direction upon rapid starting or stopping. In the preferred configuration the ladder lock comprises three portions of narrow bent flat metal stock fastened together wherein the first and second portions are attached by a hinge to allow opening and closing; and the second and third portions are attached to each other. The free end of the first portion has a strike plate thereon for receiving the latch of a tension latch/lock assembly integrally mated to the free end of the third portion. This ladder lock optionally includes means for adjusting the frame width and/or height to insure a close fit around the ladder and the ladder frame to insure safety and security thereof.

Abstract: A portable projection lock receiver (10) includes a shackle portion (12) adapted to fit through an opening (38) on the device to be secured. The shackle portion (12) of the projection lock receiver (10) has an open section (18) and a first opening (30) formed at one end. A closure member (14) associated with the shackle includes a second opening (28) which may be aligned with the first opening (30). In this aligned position, the closure member (14) closes the shackle open section (18) and the two aligned openings (28, 30) together form a projection lock receptacle. This projection lock receptacle is conformed to receive and retain a suitably sized projection portion of a projection lock.

Abstract: The present invention is directed to a lock construction for securing to a trailer socket and thereby preventing attachment of the trailer socket to a connecting member of an unauthorized towing vehicle. The lock construction comprising a base with a first upstanding member extending from the base and adapted to engage the trailer socket of the trailer. A second upstanding member is disposed on the base in spaced relation to the first upstanding member. A shaft like member is positioned in the housing and is slidable toward the first upstanding member from an unlocked position where the third member is spaced away from the first upstanding member to a locked position wherein the third member engages the trailer socket once it is attached to the first upstanding member. A locking mechanism is operative connected to the third member and to allow slidable movement of the third member.

Abstract: A computer lock includes a first locking plate, the first locking plate including a handle, a hook rod, and a coupling structure connected between the handle of the first locking plate and the hook rod ofthe first locking plate, the handle of the first locking plate having a locating hole, the hook rod of the first locking plate having a free end terminating in a hooked portions; a second locking plate, the second locking plate including a handle, a hook rod, and a pivot hole disposed between the handle of the second locking plate and the hook rod of the second locking plate and pivoted to the coupling structure of the first locking plate, the handle of the second locking plate having a locating hole, the hook rod of the first locking plate having a free end terminating in a hooked portion; and a retainer member adapted for insertion into the locating hole of the first locking plate and the locating hole of the second locking plate.

Abstract: A hitch and lock device for coupling a trailer to a vehicle includes a lock rod engaged through the elements from the vehicle and the trailer, and a lock device engaged with the lock rod to secure the elements together. The lock device may be quickly engaged onto the lock rod to lock the lock rod to the elements and to solidly secure the trailer to the vehicle. The lock device includes a latch slidably received in a housing, and a spring biasing the latch to engage with the lock rod, and an actuator actuated by a core with a key to disengage the latch from the rod against the spring.

Abstract: A vehicle anti-theft device includes a frame for securing over a vehicle door. The frame includes one or more support legs each having an upper arm slidably mounted thereon for securing between the top of the vehicle window frame and the vehicle roof. The support leg includes a lower arm for attaching to a vehicle jack rail or similar plate mounted beneath the vehicle. A locking means secures the upper arm at a select position relative to the support leg to tightly fasten the frame about the vehicle door thereby preventing an unauthorized user from opening the door.

Abstract: A cable lock system having a length of cable, a female lock housing and a male lock housing. The cable has a lug attached to each of its ends and after the cable is wound through the various apertures of items to be secured, the lugs are inserted into lug apertures in the side wall of the tubular sleeve portion of the female lock housing. The male lock housing has a cylinder bore hole and a lock having a locking tang fixedly secured in the cylindrical bore hole. The male lock housing is telescopically received in the bore hole of the female lock housing with its front end pressed against the respective lugs on the end of the cable member. By turning a key in the lock, the locking tang is directed radially outward into an internal annular groove in the female lock housing thereby preventing removal of the male lock housing from the female lock housing. The structure of the assembled parts prevents access to a rounded head nut on a carriage bolt that secures the female lock housing to a support wall.