Encased

To prevent the theft, or accidental dislodgment during use of outboard motors, an elongated, hollow, slotted housing is provided which receives, covers, and renders inaccessible the head portions of the motor clamp screws. The housing is originally applied to the clamp heads by being slid thereover longitudinally...     

A lock assembly useful in coupling a tire assembly to a wheel which is locked and unlocked by a magnetic key.

A lock assembly useful in coupling a tire assembly to a wheel which is locked and unlocked by a magnetic key.

A lock adapted to be secured to an item having a peripheral groove adjacent one end thereof to prevent access to the member, such as a wheel nut. The lock has a locking member assembly comprising a housing with a movable member located at least partially within the housing which is adapted to urge a...     

A propeller lock system comprised of an inner fin lock and an outer fin lock, with the outer fin lock adapted to lock to the inner fin lock to prevent removal from its locking position on a propeller housing.

For use with a marine propeller which is mounted on an output shaft of a power source, a marine propeller lock comprising a fastener on the shaft for preventing axial movement of the propeller on said shaft and a cover member having a portion thereof engaging the end of the shaft and another portion...     

A lock assembly comprises a stud for mounting on one member such as a door, a plate for pivotal mounting on another member and a separate locking member for locking the plate to the stud having locking mechanism comprising a cylinder slidable in the locking member and onto the stud, a ball movable through...     

A shield lock assembly for shielding securing members engaging a rigid frame. The lock assembly includes a shield member which is secured to a rigid frame through a fastener. The shield member further passes over and covers at least one of the securing members. A lock housing is movably mounted to the...     

A cover lock assembly for maintaining a hatch cover securely mounted to a rigid frame including a guard member which passes over at least a portion of the cover and is insertable in a securement device which is mounted to the rigid frame external to but near one end of the hatch cover. A lock housing...     

A locking hardware adapted to conceal and confine the clamp screws of an outboard motor against operative removal from the transom board of a boat and the like by the provision of a back plate set against the transom board by the clamp screws and having a stud bolt parallel to the clamp screws and inboard...     

A locking mechanism prevents a conventional interlocking towing connection between a tractor and trailer, the locking mechanism includes a main body of forged steel, a king pin chamber and a secondary chamber opening into and situated at an angle with respect to the king pin chamber, a rotating lock...     

A pair of plates, rotatably joined together on the underside of a trailer or semi-trailer, which in the latched position enclose the trailer pin so as to prevent a tractor from being joined to the fifth wheel of a tractor. The plates, when in the latch position, may be fastened by key locking or other...     

A locking device for an outboard motor having a C-shaped mounting bracket fitting over the back transom of a boat and containing a mounting screw with a handle at one end for tightening a foot at the other end against the transom, said locking device having a first member with two angular arms, one of...     

Apparatus which is mounted on a stud to prevent stud supported articles from inadvertently slipping off of the studs as well as to resist theft of such articles. The apparatus includes a two-piece body which is selectively connected together and such body defines an enlarged interior opening for receiving...     

A locking nut assembly comprises an axle nut, a resilient ring member and a cover member. The axle nut has a threaded bore at one end and a locking bore at the other end thereof. The threaded bore has a structural configuration which threadingly engages a bicycle axle. The outer surface of the axle nut...     

A tamper proof attachment system is provided to secure a device such as a radio or tape deck in a vehicle. The looped cable passes through an anchoring point and the ends of the looped cable are locked and pass through an attachment device. The attachment device housing has an aperture in one end through...     

A vehicle lock for releasably locking an engine block of a motor vehicle to an abutting transmission wherein the transmission housing has a plurality of bolt holes disposed in the peripheral portion thereof and the engine block has a plurality of registered bolt holes in marginal flanges integral with...     

A highly tamper-resistant lock for attachment to an electric meter box, as a supplement to other locking means, if any, or a replacement therefor, the lock having one part secured to the box and a separable part adapted to be locked in engagement with the first part and in a position to prevent separation...     

This device locks the cover of an electric meter box by use of a bolt type lock which prevents access to the screw which fixes the part holding down the cover to a bracket fixed on the body of the box.

A highly tamper-resistant lock for attachment to an electric meter box, as a supplement to other locking means, if any, or a replacement therefor, the lock having one part secured to the box and a separable part adapted to be locked in engagement with the first part and in a position to prevent separation...     

This device provides greater ease in locking and unlocking the means provided in my prior U.S. Pat. No. 3,867,822 for securing electric meters from tampering. The key enters from the front of the meter box instead of from the side.

The present invention relates to a pilfer prevention device adapted to be readily connected between an article to be secured, such as a television set, typewriter, etc. and a fixed location so as to discourage unauthorized removal. The device includes a mounting assembly readily connectible to the article,...     

The outboard motor locking device includes a block which is fixed to the inner wall of the transom of a rowboat and which has a pair of downwardly extending clamp screw receiving slots that are adapted to receive the clamping screws of an outboard motor mounting clamp. Within the block between the slots...     

A security device for a boat propellor that is retained by a releasable lock to a propellor shaft has been developed and is disclosed as including cover means to prevent access to the releasable lock on the propellor shaft, and means for releasably retaining the cover means to the propellor to prevent...     

A door lock system for the rear doors of the trailer of a tractor-trailer rig is disclosed. The lock system includes a locking bar fixedly secured to one door and attachably secured to a second door. A pin projects from the second door so that it may pass through an opening in the locking bar. A pin...     

Apparatus for securing a doorknob against unauthorized entry. A shroud fits over the entire doorknob and its associated shaft, and extends to fit on or over the rose through which the shaft extends. A clevis fits through slots in the shroud to retain the shroud in place on the door knob and shaft. The...     

A hub cap lock device adapted to be installed upon the air valve of a vehicle wheel tire or upon a threaded stud projecting from the wheel includes a housing with an internal cavity; means are provided at one end of the housing for securing the housing to the wheel part and a cap member is mounted at...     

A security device for spare tires includes a housing including an opening for receiving a shackle portion of an associated padlock. Other openings are provided for receiving an associated member to be secured by the padlock. A shackle-securing member releasably secures the shackle within the housing.

An oil or gas well Christmas tree guard apparatus provides an annular guard body which is protectively secured about a bolted flanged connection of the well Christmas tree, the guard so placed forming an envelope about the flanged connection and preventing access by a thief to the bolts and thus discouraging...     

Disclosed are two anti-theft locks for preventing access to the ignition switch which is mounted on the steering column of most conventional automobiles. The said locks include a housing, one end of which is shaped to adapt to the outline of a steering column, and one of the said locks further includes...     

A locking means for locking the fuel tank cap on a vehicle such as a large truck such that the fuel cap cannot be removed and the means bolting the locking means to the tank cannot be removed without unlocking the locking means.

A device is provided for use in conjunction with a marine vessel having an engine, a transmission connected to the engine and having a portion extending exteriorly of the boat and an out drive which is connected to the exteriorly extending portion of the transmission by removable fasteners. The device...     

A locking assembly for electrical enclosures to prevent unauthorized tampering with internal power connections. The locking assembly comprises an adjustable bracket which is secured to the walls of the enclosure by bolts; a cover which covers the open front and a substantial part of the sides of the...     

A seal for a pipe coupling such as is used to connect a gas meter to a gas supply line. The seal is made in two portions, which may be connected by a flexible web, and the portions have integral means for locking together around the nut of a coupling. Each portion has an outer shell with internal protrusions...     

A portable locking device for surfboards equipped with adjustable surfboard fin holders. A U shaped padlock eye attaches to the base of the surfboard fin by means of the retaining screw which retains the surfboard fin in the fin holder. A locking bracket is placed over and locked to the padlock eye with...     

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 wheel cover locking assembly comprises a knob in which a plastic bolt is rotatably mounted, the bolt extending through a wheel cover and engaging a nut carried on a bracket affixed to a wheel by means of lug nuts, so that rotation of the bolt locks the wheel cover on the wheel. A cam piece located...     

An anti-theft device to prevent the unauthorized removal of a mounted, flanged object comprising a cover overlying the mounting flanges of the object, a securing device for attaching the cover to the surface upon which the flanged object is mounted and a locking device for preventing removal of the cover...     

A lock apparatus shields the valve stem of a petcock and prevents unauthorized opening of the petcock.

A fixing device used for a distributor which includes a cylindrical portion, through which a driving shaft is pierced, and a flange for fastening the distributor to the engine with a bolt. The fixing device consists mainly of a pair of container-like covers to be faced to each other with an opening portion...     

Wellhead distribution valving (known in the trade as a Xmas tree) are protected from potential thieves by security apparatus that prevents access to the mounting flange bolts of the wellhead valving. This security apparatus comprises a housing having two similar half sections. Each half section includes...     

A front entry meter locking ring assembly for locking electric meters. A circular split locking ring has a U-shaped cross-section and two downturned parallel legs of equal length. A take-up fastener engages and draws the downturned legs towards each other. A lock receptacle having a hollow cylindrical...     

Disclosed is an auto anti-theft ignition switch lock for preventing unauthorized access to the ignition switch which is mounted on the steering column of most conventional automobiles. The ignition switch lock includes a housing, one end of which is shaped to conform to the contours of a steering column,...     

Attachment device by means of which a safety device can be attached to an article, comprising a hollow sleeve accommodating a screw member through operation of which the attachment device can be attached to an article to be protected, while said sleeve extends beyond the article-averted end of the screw...     

A storage device which fits within the rim of a spare tire and can be locked to secure its contents against unauthorized access and to lock the spare tire itself. A pan shaped container has a closed bottom which is secured to the hub of the wheel by the same fasteners that mount the spare wheel to its...     

A security locking bolt for flanging "Christmas tree" installations, valves and other equipment to a pipeline header or a pipeline, which includes a bolt body having a partially threaded bore and a security bolt head integrally provided on one end and a cooperating locking head secured to the opposite...     

A flange lock for preventing unauthorized access to flanged connections, comprises a pair of semi-cylindrical shells having face plates at at least one end thereof. The shells are hingedly interconnected by a tongue on one that passes through a slot in the other. At their free ends, the shells carrying...     

In an attachment fitting for cylinder locks (3, 3') the heads (4a) of a plurality of screws (4) are seated in a widened hole portion (5a) in the lock. A plugging or latching element (6) is arranged to co-act with a sealing pin (7) in a manner such that when the plug (3a) of the cylinder lock (3) is turned...     

An anti-theft device for clamping and locking an outboard motor to a transom board comprises a bracket forming together with an upper part of the outboard motor a substantially U-shaped suspension rack for mounting the outboard motor on the outboard transom side, and a free leg of the bracket extending...     

Plural branch locking cable comprising main cable with distal end including cable stop for being held inside shell of article being secured, and crimp element on cable at exterior of shell of article being secured. Plural auxiliary cables having distal ends fitted with respective cable stops and each...     

This locking mechanism incorporates mechanical objects such as pipe flanges having locking receptacles through which extend a retaining pin having a retaining sleeve threadedly received thereby and secured by means of a locking ring. Both the retaining pin and retaining sleeve can be installed and removed...     

A wheel locking device is a locking means wherein one of a plurality of fastening nuts with which a wheel plate covering both the inner face part of a vehicle tire and the external face of a wheel is secured to the wheel by a lockable nut which cannot be removed without using a key.

A mechanical security device for preventing disconnection between first and second objects. The first and second objects include a nut rotatable with respect to the objects in one direction to connect the objects and in an opposite direction to disconnect the objects. In one embodiment, the security...     

A two-part threaded locking mechanism is provided with complementary stop elements in the form of a pin and a recess that interengage when the two lock elements are threaded together. When used as a padlock, the locking mechanism may be encased in a tapered, spinnable, protective shroud. To facilitate...     

This invention relates to equipment for securing a truck trailer against theft by protecting the trailer kingpin against being secured by a tractor. The device employs a lock housing or body which has a hole which is adapted to fit over the trailer kingpin. A sliding member is employed to go into sliding...     

A casket lock for a gas utility valve having inlet and outlet conduits includes a pair of mating casket sections releasably connected together along a hinge about which the sections are movable between open and closed positions. In the closed position the casket sections cooperate to define a casket...     

An anti-theft device for a marine propeller has a spinnerplaced over the propeller nut which secures the propeller to the propeller shaft, and the spinner is held in place against unauthorized removal by a lock pin projecting from the propeller nut into an annular recess in the spinner, enabling the...     

A locking device (15) for preventing loosening of the clamp screw (13) and removal of the clamp bracket (11) of an outboard motor from the transom (10) of a boat. The locking device (15) has a tubular member (16) with holes (20, 21, 22) to accommodate the clamp handle (14), an arm of the clamp bracket...     

An anti-theft device for securing personal computers to a table, bench or like top is disclosed. The device employs a strong flat bar affixed to the bottom of the table or bench top, and two units that are threaded to the bar and extend through the table top. These units have bolts that project horizontally...     

An outboard motor lock for boats wherein the outboard motor is secured to the boat transom by a split elongated housing which is retained in an assembled relationship by a lock disposed generally therein and which housing extends along and reinforces the transom and fully encloses the motor mounting...     

A lug attachment for detecting the removal of a wheel comprising a frangible shroud and an internally threaded member for attaching said shroud to the lug of a wheel mounting plate. The threaded member comprises a pair of split sleeve sections that laterally flex for engagement with the threads of a...     

Wheel locking device to prevent the theft of tandem axle trailers. This device consists of a rod with brackets at either end. The brackets have holes through which the lug nuts of the wheels pass. The lug nuts are affixed to the lugs of the wheels to secure the bar to each of the wheels. A cover attached...     

A security device is disclosed which mounts to a king pin of a trailer to prevent unauthorized coupling of the trailer to a tractor. The security device includes a locking device which functions as a deadbolt. Within the locking device are contained a key actuated lock cylinder, a cam actuator and bearing...     

A trailer king pin lock for preventing theft of a trailer by negating connection of a trailer king pin with a tractor fifth wheel coupling. A sleeve is provided that is receivable about the trailer king pin. A locking unit housing, which extends radially relative to the sleeve, is attached to the sleeve...     

A device for locking a boat seat bracket to a seat support beam in a boat. A conventional bracket has a base and a pair of long U-shaped clamping members formed of parallel rods threaded on their ends and slidable in opposite directions through the base. In the new device, nuts on the parallel rods of...     

An anti-theft device for a marine drive unit includes a cupped member for location around a threaded fastener which secures the drive unit in place so as to enable a blocking device to be secured in position to block access to the threaded fastener and thereby preclude unauthorized removal of the threaded...     

This lock is designed to prevent unauthorized removal of the wheels of large trucks and buses. Primarily, it consists of a housing that is received on the nut fastener and the studs that hold the wheels on the vehicle, and a locking mechanism that is key operable, is provided with a bolt that is received...     

Apparatus for locking together modules of a computer system includes first and second members that are secured, by screws, proximate adjacent edges of adjacent modules. Tabs on the members and holes through the tabs align so that a padlock may be utilized to lock the modules together. A slotted plate...     

A spare tire bracket lock for installation on the existing spare tire support bracket of a pick-up truck or similar vehicle of the type having an elongated spare tire support bracket for supporting the spare tire in the stored position against the undercarriage of the vehicle and an elongated threaded...     

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...     

An anti-theft device for locking an outboard motor comprising an elongated, channel-like, body member has a longitudinally extending opening to closely receive the head portions of clamping screws which clamp the motor to a transom board of a boat, or a motor stand for use in motor sales and/or service....     

A housing is provided for placement over a valve in a line to prevent unauthorized access to the valve. The housing includes first and second shell halves. The first and second shell halves are mateable to form an enclosure for the valve, and to form openings through which the line can pass. Each shell...     

A device for securing the tailgate of a pickup truck, so that it can not be removed by unauthorized persons. The device is made of three steel assemblies, one of which is fitted over a tailgate extension, using the extension as an anchor for holding the device in place. A second assembly, acting as a...     

A security cover for valves used to control flow of liquids from storage vessels wherein a part of the cover interlocks with the valve stem and/or a connected valve actuating handle to prevent unauthorized use of the valve. The security cover further includes a secondary lock enclosure means, attached...     

A lug nut cover is provided having a breakage shroud for restricting access to the lug nut and a retaining cap for securing the shroud to the lug. The shroud includes an internal ledge having ratchet teeth thereon. The cap includes an exterior flange having pawls thereon. When the cap is threaded onto...     

Apparatus for securing against removal of the hinge pin of a door or other closure. The arrangement comprises an inner sleeve with holes to align with a hole in the hinge pin to accomodate a holding pin. An outer cylinder encloses the inner sleeve to prevent the escape of the holding pin. A wafer lock...     

A fog light security apparatus (10) adapted to secure a plurality of fog lights (50) wherein the security apparatus (10) comprises: a base unit (11); a cover unit (12); and a securing unit (13), wherein the securing unit (13) comprises a plurality of securing members (22) adapted to secure the cover...     

Apparatus for lockably securing the threaded ball of a ball-type trailer hitch to the hitch tongue. A first laminated washer-like assembly, including a locking hasp and recess, is boltably secured with the ball to the hitch tongue. A cap member, including a mating hasp portion, mounts into the washer...     

A removable hose protector to prevent the unauthorized removal of a hose from a faucet assembly wherein one embodiment of the invention consists of an elongate cylinder comprised of a pair of cylinder halves having top and bottom retaining lips and pair of overlapping locking tabs for the removable insertion...     

A locking assembly for fastening a lug not cover on a vehicle wheel secured to a vehicle is disclosed. The mounting bracket and the lug nut cover both have elongated holes which makes them universal and allows them to fit a large number of lug bolt spacings measured from the center of the axle to the...     

A security system that discourages thievery of office and work machines and the like from support furniture too difficult to asport, and comprised of a fastener enclosure and key operated bolt combination which involves the reception of a lock barrel into a housing for the enclosure of a tie-down fastener...     

A locking device for a valve to be used in conjunction with a lock having a hasp comprising a pair of detachably connected corresponding members that when assembled engage the flow valve to substantially prevent its movement. The members include a means to restrain relative twisting of the members, and...     

A king pin lock for preventing unauthorized movement of a trailer when detached from a tractor includes a hemispherical boby member having a flat planar face which faces the bottom surface of the trailer, when installed. A cylindrical trailer king pin has a circumferential groove for engagement into...     

Locks securely close a commercial electric power meter box at the front of the meter box where it is visible by a meter reader. One version of the lock readily indicates unauthorized entry into the meter box by extending the seal to the front of the box. Another version of the lock requires a special...     

An anti-theft device for motor vehicles equipped with tubeless tires, a collar secured to the valve stem of a selected tire, a locking device adapted to be detachably secured to said collar, a cable carrier mounted on a selected body part or other supporting structure of said vehicle and connected to...     

Apparatus for attaching a component of a personal computer to a desk comprises a first plate having a hole extending therethrough, the hole having a countersunk recess at a first surface of the first plate. The first plate can be secured at its first surface to a surface of a component of a personal...     

A locking system for use with a wheeled vehicle such as a bicycle is described. The system is useful either to lockingly secure a wheel to the fork members of a bicycle or to lockingly secure the seat post to the center frame member. The locking member is cylindrical in shape and covers a specially configured...     

A locking device for preventing access to a bolt or stud-nut which secures an equipment to a base. The device comprises three parts: a block, a cover member and a lock body. In use, the bolt is put through a hole in the block and the equipment and is tightened down. The cover member is then fitted over...     

A security lock for detachably securing a hose fitting includes two hinged members connected by a lock. The hinge members surround the hose fitting. The lock is compact to fit in small areas. The lock is used for securing watering systems on recreational vehicles.

A lock apparatus for use with a fifth wheel plate having a king pin characterized by an annular groove including a generally cylindrical cup adapted to enclose the king pin, the cup having a transversely extending slot which is registerable with the annular groove, bar means connected to the cup for...     

Improvements relating to fire hydrant closures are disclosed in which a cap-shaped cover for the outflow port from a fire hydrant, and a tool for locking and unlocking the cap on the hydrant, is provided. The cap includes a septum-like strong plate which is freely rotatable with the cap, but which is...     

A lockable adjustment mechanism (1) for an adjustable component (2), the adjustment mechanism (1) comprising a first rotatable body portion (3) adapted in use to receive and be attached to a threaded elongated adjustment member (4) of the adjustable component (2), a second non-rotatable body portion...     

A lock operable by a key between a locked condition and an open condition, the lock having a fastener for releasably securing the lock to an object, the fastener being movable between a retracted position wherein the lock is in the open condition and an extended position, a spring for biasing the fastener...     

A key lock snap assembly for securing fabric covers to a supporting structure has a base member to be mounted on a supporting structure and having a post with a collar intermediate its length. A key lock snap engaged on the base member has a body with a flange adapted to engage with a fabric cover and...     

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 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...     

A cap to be placed over the spout of a faucet and form a tight watertight connection therebetween. Located through the cap is a through hole through which a shackle of the padlock is to be located with this shackle to interfere with the exterior threaded connection on the spout and prevent disengagement...     

A gooseneck trailer hitch locking device for obstructing a gooseneck coupler to prevent undesired coupling by a towing vehicle, the locking device comprising lock bodies cooperating with and obstructing the front and rear facing portions of a gooseneck coupler, a lock pin securing the lock bodies to...     

A closure (20) for an outdoor hose bibb (24) is provided. A cap (30) engages the hose bibb threaded spout (46). A lip (52) on a collar (32) passes through a slot (50) in the cap and abuts the narrowed spout (54) above the spout threads. The cap and collar are coupled by a hook (60) engaging a handle...     

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...