Matches 251 - 300 out of 440 < 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
4656848 Security device for personal computers  
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...
4648254 Outboard motor lock  
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...
4645422 Anti-theft device for marine propellers  
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...
4631936 Center locking device of ball train type for a disc wheel of motor vehicle  
A center locking device of ball train type for a disc wheel of motor vehicle. This device which is provided inside a cap nut prevents the cap nut from loosening, ensures fastening of the disc and...
4630456 Casket lock for valve assembly  
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...
4620428 Lock and coupling for securing fire hydrants  
A lock and coupling apparatus for securing fire hydrants is disclosed. The two piece apparatus comprises an inner member concentrically received within an outer cylindrical member. The inner...
4620718 Kingpin lock  
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...
4619122 Threadably engaged locking mechanism  
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...
4587814 Mechanical security device  
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...
4574602 Wheel locking device for automobile  
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...
4571966 Security mechanism for pipe flanges  
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...
4570465 Plural branch locking cable  
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...
4557458 Anti-theft device for outboard motors  
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...
4553415 Trailer kingpin locking device with protected locking bar aperture  
A locking device to be locked onto the kingpin of a trailer to prevent its being engaged by the fifth wheel of an unauthorized tractor. The locking device closely encircles the kingpin and houses...
4548061 Cylinder-lock attachment means  
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...
4541256 Flange lock  
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...
4538434 Security housing for oil storage tank valve  
A security housing for surrounding a valve attached to a storage tank comprising a pair of hinged clamshell structures (e.g., hollow semi-cylindrical enclosures) that are also pivotally hinged to...
4537543 Security locking bolt  
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...
4502306 Locking device for the outboard stern drive of a boat  
A locking device for locking an outboard stern drive mechanism against removal from the stern of a boat, the locking device including a U-shaped cover member adapted to cover the stern drive...
4498614 Storage device for spare tire  
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...
4444031 Security device for tackle boxes and the like  
A security device for tackle boxes and the like which requires little alteration of the tackle box or item being secured thereby for substantially precluding theft of the item. The device...
4438642 Attachment device  
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...
4426859 Anti-theft auto lock  
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...
4422314 Lock for a fuel line valve  
A locking mechanism for fuel lines in vehicles in which at least a part of the unit is constructed of aluminum to resisting flame cutting and hardened steel dowel pins are used to resist saw...
4414829 Locking device for an electric meter box  
A device for locking a rectangular electric meter box having an openable front cover. The device has an L-shaped lock housing which includes a first leg fixed to the front cover of the box and a...
4413490 Front entry locking ring assembly  
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...
4407146 Gas meter lock assembly  
A lock assembly for preventing the unauthorized disconnection of a gas line where it is connected to the gas meter. The lock assembly has telescoping male and female shrouds, a bolt type lock and...
4406140 Anti-theft device for automobile wheels  
Anti-theft device for nuts/screws of automobile wheels, comprising a barrel (10) rotatably subassembled with a lock cylinder plug (18) the tumblers (24) of which are placed in position by simple...
4405161 Wellhead security apparatus  
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...
4401247 Fastening device for supporting brackets or luggage racks for automotive vehicles  
In a fastening device for supporting brackets or luggage racks for automotive vehicles, the tensioning screw which biases the clamping claw against the supporting foot and the roof gutter is...
4374509 Fixture device for a distributor  
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...
4361305 Security device for rotatably mounting an article to a surface  
A security device for rotatably mounting an article to a surface. The device includes a base with a face, a center, and a peripheral rail having a downwardly facing bearing surface. It is...
4357814 Aircraft petcock lock  
A lock apparatus shields the valve stem of a petcock and prevents unauthorized opening of the petcock.
4353521 Anti-theft device  
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...
4346940 Wheel cover locking assemblies  
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...
4343161 Outboard motor lock  
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,...
4340376 Surfboard locking device  
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...
4339629 Junction box for housing cable connections  
In an improved junction box for housing cable connections or the like including in combination a receptacle adapted to house cable connections or the like and having an opening thereinto; a...
4329860 Front entry electric meter locking assembly  
A locking cover assembly for the ends of an electric meter retaining ring. The assembly comprises a U-shaped bracket for positioning between the downwardly turned ends of the retaining ring and...
4326395 Electric enclosure locking assembly  
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...
4325701 Protective device  
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...
4324119 Passive wheel lock for bicycles and the like  
A locking device with a main body member having a threaded bore therein adapted for screwing onto the axle bolt of a bicycle, a securing member for shackling the main body member to an adjacent...
4313321 Fuel tank lock  
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...
4308733 Security device for automobile spare tires  
This invention relates to an improvement in tire locks and more specifically to devices which make spare tires in the trunk compartment of an automobile almost tamperproof from the standpoint of...
4301669 Two anti-theft locks  
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...
4300373 Well Christmas tree guard apparatus  
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...
4294088 Security device for spare tires  
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...
4290283 Hub cap lock device  
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...
4290284 Locking device for spoked wheel vehicles  
A locking device for use in conjunction with spoked wheel vehicles includes a hasp having first and second hinged members. The first member includes an outwardly projecting staple, and the second...
4285221 Retrofit doorknob lock apparatus  
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...

Matches 251 - 300 out of 440 < 1 2 3 4 5 6 7 8 9 >