Matches 1 - 50 out of 50
Match Document Document Title
7407351 Rotatable tool comprising a shank, a drawbar and a cutting head  
A rotatable tool includes a shank rotatable about a longitudinal axis, a drawbar mounted to an axial front end of the shank, and a cutting head mounted to an axial front end of the drawbar. The...
7162939 Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screw  
Related to a tamperproof screw to which a conventional general screwdriver cannot couple so that screw tightening is prevented reliably, to a screwdriver bit that can be simply and quickly coupled...
7150211 Screw and driver therefor  
A screw ( 10 ) has a threaded shank ( 12 ) and a head ( 14 ). The head has a recess ( 18 ) that comprises three lobes ( 18 a,b,c ). Each lobe is separated by a curved drive flange ( 20 a,b,c ,). A...
7128513 Screw and driver therefor  
A screw ( 10 ) has a threaded shank ( 12 ) and a head ( 14 ). The head has a recess ( 18 ) that comprises three lobes ( 18 a, b, c ). Each lobe is separated by a curved drive flange ( 20 a, b, c )....
7004701 Tamper resistant rotably shrouded security cap and tool  
A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud...
6997085 Threaded-fastener wrenching structure, threaded fastener and wrenching tool  
A threaded fastener capable of being reduced in size and weight. A pair of side wall surfaces of each of six radially outwardly projecting, torque transmitting portions lie on straight lines...
6840483 Cable feed bushing and method of installing a cable through a wall or other structure  
A cable feed bushing and method of installing a cable through a wall or other structure. In one embodiment, the bushing has a conically-shaped body and a head portion formed thereon. Threads or...
6776565 Structure of an anti-burglar screw bolt  
An improved structure of an anti-burglar screw bolt having a pad and a nut, the bolt including a bolt head and a bolt shaft, characterized in that the bolt head is hexagonal with the inner edges...
RE37868 Spoke nipples, wheels including such nipples, and wrenches for such nipples  
Nipples, for example, useful in joining a spoke to the rim of a bicycle wheel, are provided. Such nipples include an enlarged head, and an elongated shank joined to and extending from the enlarged...
6428354 Coaxial connector fastening system  
A coaxial connector assembly for mounting in an aperture in a stiff plate includes a barrel having a shoulder at its rear end for engaging an interior surface of the mounting plate and an external...
6357981 Fastener structure  
A fastener comprising an elongated body having a longitudinal axis and an outer surface and first and second ends, a separate seating configuration on the first end, a ridge extending...
6302888 Locking dovetail and self-limiting set screw assembly for a spinal stabilization member  
A spinal implant assembly is provided which has a stabilizer rod clamped into position within an anchor by means of a sliding closure member including a mating set screw or hook. The exterior faces...
6148699 Screwdriver and screw  
A screwdriver has a shaft with a bit on one end for engaging a bit receptacle formed on a head of a screw and a screw engaging device coupled to and in surrounding relation to the shaft. The screw...
6077267 Absorbable bone screw and tool for its insertion  
A bone screw comprises a threaded shank having an axis of rotation. A head is integral with the shank, and the head includes a surface disposed generally normal to the axis. A plurality of drive...
6039524 Self-locking safety wheel nut with locking wrench  
A wedge lock fastener assembly includes a threaded nut having a peripheral flange, a wedge lock end face, and plural wrench-receiving notches in said flange. An associated washer has a peripheral...
5928236 Locking pin or screw device for an osteosynthesis plate or for the coaptation of bone fragments  
A one piece pin, adapted to be driven by a motor, includes a threaded rod having a self drilling end at one end of the threads of the rod. The self drilling end includes a transversely positioned...
5901424 Trocar button  
There is provided a trocar button having an enlarged flat head at the larger exterior end connecting with a conical body and a pointed bulbous end. The large part of the conical body connects with...
5863166 Anti-theft locking device  
A device for locking bicycle components to the bicycle frame comprises a threaded bolt with a corresponding nut having a rotatable casing surrounding the outer surface thereof and a key for...
5833419 Angularly accessible head for threaded connector  
The angularly accessible head for a threaded connector comprises a spherical structure having a centered slot therein, the slot having a bottom surface or wall in the shape of an inverted V, with a...
5762457 Threaded fastener with longitudinal grooves  
A threaded fastener having an elongated threaded shaft portion, an enlarged head portion connected in axial alignment to said shaft portion, and a plurality of longitudinal grooves positioned...
5628602 Anti-theft hub nut for vehicle wheels  
The present invention provides a device for protecting automobile wheels from being stolen, wherein the barrel portion of a hub nut to be tightened onto a hub bolt of an automobile wheel is shaped...
5575602 Multiple-armed nut  
A nut device and corresponding tool of such shape to aid in the ease of removal from a threaded bolt, stud, or the like. The principal intended use of this invention is for fastening the wheels of...
5409339 U-bolt clamping mechanism  
The invention consists of two gear teethed nuts meshed together in an arrangement that causes both the nuts to move at the same rate of speed and in the same direction up or down the threaded rod...
5382057 Manifold for a front-discharge fluid end reciprocating pump  
A manifold for a front-discharge fluid end reciprocating pump. The manifold comprises tubular portions which are connected to ports on the pump by threaded engagement of a plurality of nuts. The...
5378101 Tamper-proof drive system based upon multi-lobular configuration  
A tamper-proof drive system including a drive tool and a complementary nut or fastener drive head each having a body defining a central axis and a drive portion formed in an end surface of the body...
5366330 Fastener head with internal recess having a radial slot configuration and installation tool therefor  
A fastener head having a pair of recesses formed therein, a ledge in each recess being located a short distance axially below the head surface and extending a predetermined angular length from the...
5340256 Security nuts  
A security nut, which can be tightened on to a bolt but not slackened, has a body which is dome shaped and through which a threaded bore passes. The external dome-shaped surface of the body is...
5324149 Lightweight lug nut  
A lightweight lug nut including a grooved body for receiving a wrench, a nose on the body for bearing against a rim, a threaded portion within the body, an enlarged bore between the threaded...
5137407 Head drive for threaded fastener  
A threaded fastener having a recess or projection in a head for engagement with a jointing equipment is disclosed. The recess or projection is composed of a center portion and radial portions...
5108238 Torque limiting bolt for power wrench tightening  
A torque limiting bolt for tightening by a power wrench comprises a threaded shank, a tightening head at one end of the shank, a retaining head at the other end of the shank and a nut in threaded...
5033501 Fire hydrant cap and actuating tool therefor  
A fire hydrant cap and actuating tool for use therewith provide enhanced security for fire hydrants and increased safety when using the tool. The cap is forged of 8620 carbon steel; is provided...
5020953 Lock nut  
A lock nut with a nut and an annular flat plate made of resilient material, the annular flat plate having a circumferential periphery and an arcuate protrusion, wherein the circumferential...
5004361 Fastener for use at cryogenic temperatures, and tool therefor  
Fastener comprises a flat head nut having a specially designed shape and includes a complimentary bolt, for use in a cryogenic environment. Opposed heads of the nut and bolt each have an underside...
4846613 Nut with corner passages  
The nut has two major faces and six lateral sides. A passage connecting two successive sides is formed in at least one, typically three corners. The passage is formed by a blind groove formed in...
4285265 Tacking rivet  
A tacking rivet has a shaft and a head with a longitudinal bore through the haft and through the head. The head forms a rim extending radially outwardly and the rim or head has a divider which...
4171012 Locking thread construction  
A locking thread design which may be incorporated in various types of male and female threaded elements, for example, a bolt and nut, or a bolt and casting, forging or similar member having a...
D248014 Fastener  
4025140 Locking device for the prongs of an electrical plug  
In one embodiment a protective housing adapted to be locked upon and cover a prong of an electrical plug is disclosed. The housing has a chamber to receive a prong of the plug and has a collared...
4006660 Fastener element  
A fastener element has at its male portion a plurality of grooves whose cross sections each form a fractional circle and a plurality of lobes whose cross sections each form a segmental outline of a...
3969974 Configuration for nuts and bolt heads  
The wrenching portion of a nut or a bolt head is provided with a configuration which, when viewed in plan, comprises an outer cylinder having a plurality of grooves defined in part by re-entrant...
3470786 TURNABLE DEVICES  
3411555 Driver for screw  
3405595 Devices for closing wrench sockets  
3400626 Twelve-lobe fastener  
3236141 Screw  
3174383 Sealing devices for vending machines and like applications  
3152507 Fastener having a grooved and slotted head  
3106862 High torque fastener  
3002414 Fastener having tool centering, gear operated, driving contact  
RE02443 Title is not available  
Matches 1 - 50 out of 50