Matches 1 - 50 out of 63 1 2 >
Match Document Document Title
7237464 Fastening tool for screw threaded bolts  
Provided according to the invention is a fastening tool ( 10 ) for tightening/untightening screw threaded fasteners such as bolts or nuts ( 18 ). The bolts ( 18 ) comprise a head formed with a...
7185563 Impact driver and fastener removal device  
A fastener impact driver device includes a fastener engagement member having a plurality of projections disposed about a lower portion that engages a corresponding peripheral portion of a fastener....
7171871 Damaged bolt and screw removing devices  
A bit for removing a broken fastener comprises a tip from which extend two or more notches separated by scraping surfaces formed from two-sided frusto-conically-shaped regions. The scraping...
7152509 Fastener extractor  
A fastener extractor and a method of extracting a fastener are provided. The fastener extractor includes a shaft, an engagement end at a distal end of the shaft and an attachment end at a proximal...
7131175 Extraction tool for extracting spiral threaded inserts and use of the extraction tool  
An extraction tool ( 20 ) for extracting spiral threaded inserts includes an elongated basic body ( 23, . . . , 26 ), on the one end of which an extracting tip ( 28 ) narrowing toward the front and...
7111531 Screw and screwdriver  
A screw and a screwdriver of the present invention provide an easy insertion of screwdriver bits and the screwdriver conveys a large torque when fastening so that the screwdriver does not rise up...
6988432 Multi-tiered-recess screws  
A screw and driver system includes a range of screws and a driver. Each screw has a head having a driving recess in its surface for engagement by the driver. The recess of larger screws in the...
6877402 Fastener extractor  
A fastener extractor is provided that includes an attachment end having an attachment means for connection to an extraction tool and a receiving end. The receiving end has an interior bore that...
6868756 Device to extract broken fasteners embedded in a workpiece  
A device for the extraction of broken fastener comprises a left handed cutting tool juxtaposed to a left handed drill bit that is surrounded by a socket. In a specific embodiment the socket has...
6807880 Mechanical nut and stud removal tool  
The invention concerns a tool for removing fastening members, such as nuts and studs. The tool comprises an elongate body member ( 30 ) with first and second ends, the first end having means ( 31...
6761089 Tool for removing screws with damaged heads  
A double-ended hexagonal shank tool bit for extracting Phillips head or similar screws with damaged heads. One end of the tool shapes the screw head recess to a flared opening. The other end of the...
6655241 Anti-skip fastener tightening and/or extraction device  
An anti-skip fastener tightening and/or extraction device 10 includes a tool bit end 12 having a plurality of flutes or crossing members 13-16 , each crossing member having at least one recess...
6609862 Tool bit  
A drill bit has a chuck engaging shank portion having a geometric cross-sectional shape; a plurality of projections formed on at least a part of at least one of said surfaces; said projections (a)...
6588305 Notch-forming extraction tool for helical inserts  
A notch-forming extraction tool for helically coiled wire inserts according to the invention includes a mandrel with a second end having a tooth adapted to form and be received by a notch of the...
6575057 Broken heater hose coupler removal tool and method of use  
A tool for the removal of a broken heater hose coupler from an engine block includes a symmetrical driving tool with twelve teeth or splines for engagement with the broken coupler so that a wrench...
6526851 Undercut screw and matching bit  
A screw has a head portion and a threaded portion. The head portion has an undercut slot extending across it. The slot has a flat floor and sloping sides and the width of the floor of the slot is...
6511267 Tool for removing broken fittings  
A tool for removing a tubular member having a threaded exterior, such as a pipe fitting, from a threaded bore. The tool includes a pilot section for guiding the tool into an interior of the tubular...
6446531 Sprinkler riser extraction insertion tool  
An apparatus is disclosed for removing, re-inserting or inserting for the first time, sprinkler system risers into sprinkler system piping connector which connectors are located underground. The...
6349624 Sprinkler tool  
The tool of the present invention comprises two handle/body members each pivotally coupled to a respective end of a generally straight, rigid stem. Each handle/body member is adapted to function as...
6260442 Broken light bulb base remover  
A tool for removing a broken light bulb base from a socket includes a body member for supporting a tubular resiliently deformable bulb base gripping head member operable to engage a broken bulb...
6176161 Damaged screw removing screwdriver  
A damaged screw removing screwdriver includes a handle and a shank extending from the handle. The shank has a distal end for being engaged with slots in the head of a bolt. A plurality of blade...
6161456 Shielded spike tool  
A shielded spike tool for removing and installing spike elements from sports shoes, the shielded spike tool including a tool head with an engagement structure extending from a first surface...
6152000 Driver bit and driver  
A driver bit and a driving tool having a plurality of projections formed on at least one surface of the shank portion/driving portion of the bit/tool to retain the bit in a bit holder, or to retain...
6098499 Bolt extraction tool  
An improved tool extractor includes a head end and a broach end. The broad end includes a series of symmetrically arranged recesses and ribs generally defined about a longitudinal axis of the...
6070505 P-handle extraction tool  
The present invention is directed to a P-handle extraction tool for removing and/or installing a tubular member when access to the external surface of the tubular member is restricted. The tool...
6047620 Tool for inserting and removing one-way fasteners, an off-center tool for inserting and removing one-way fasteners  
A tool for removing conventional one way fasteners is provided, comprising a collar and a shank that can be removably received by the collar, wherein in the shank is configured to engage...
5937714 Tool for removing bases of broken light bulbs  
An improved tool for extracting the base of a broken light bulb from a socket. An integral device has a cylindrical stem portion with an enlarged handle at one end and a tapered conical portion...
5865078 Sports shoe spike removal tool  
A spike removal tool (30, 50, 60, 70, 90, 110) for removing spike elements (14, 125) from sporting shoes (10), the spike elements (14, 125) rotatable in a first direction relative to the shoe (10)...
5819611 Fastener removing tool  
In order to facilitate the removal of a fastener of the type having a head on a shank, a tool for removing such a fastener is disclosed. The tool includes support for a collet which makes it...
5622091 Valved box adjusting tool  
A tool for adjusting threaded valve boxes that grips the valve box from the inside. The present tool allows valve boxes to be rotated without having to excavate in the vicinity of the valve box,...
5458026 Lamp base removing tool  
Disclosed is a new lamp base removing tool for extracting mogul-type and medium-type lamp bases from a socket when the lamp is broken. The lamp base removing tool comprises an elongated generally...
5184531 Sprinkler broken tube removal apparatus  
A tool member is arranged for ease of removal of broken sprinkler tubes typically formed of PVC pipe. The tool structure includes an elongate plate having a handle orthogonally mounted adjacent an...
4955936 Screw driver tip  
A unique screw driver tip for screws having recessed sockest of the Robinson type are specifically disclosed. The driver tip has a recessed face which defines between the face and the side walls of...
4777850 Drill-out threaded broken bolt extractor  
A drill-out threaded broken bolt fastener extractor combination tool wherein an extractor is combined with a drill head so that in use the drilling and extracting steps are performed in the same...
4716793 Polygonal tool for removal of stripped hex head fasteners  
A tool for removing threaded fasteners such as screws and/or bolts having hexagonal recessed sockets formed in their heads, with the tool including an elongated broach polygonal in cross section,...
4671141 Rotary torque device  
An adapter tool device for transmitting rotary energy by means of special internal driving end splines to create and cut gripping channels in threaded and unthreaded cylindrical objects adapted to...
4625598 Positive engagement screw driver tool  
A screwdriver tool provides positive engagement with screw having a head with a straight slot. An end portion is substantially flat, but is wider at its midpoint than at its ends. A tapering...
4607547 Stripped hex head drive socket  
A socket wrench modified by the addition of auxiliary gripper ribs to either prevent bolt head stripper action or to minimize the adverse effects of such stripper action. In one case the bolt head...
4563922 Torque transmitting device  
A torque transmitting device characterized by a shaft (14) having a horizontal axis (17), a first end, a second end, said first end being arranged to be inserted foremost into a bore in a...
4503737 Threaded fastener removing tool  
A tool for engaging a damaged or mutilated hexagonal socket in a threaded fastener, or the like, so that sufficient torque may be applied to the fastener to effect unthreading and removal thereof...
4434687 Damaged screw remover  
A damaged screw remover comprises a handle and a shank terminating in a relatively wide blade, all resembling a standard screwdriver, the blade having a modified working end adapting it for...
4429600 Tamper-proof screw assembly  
A tamper-proof screw assembly is made up of three basic parts, two of which are coupled together. First, there is provided a screw having a flat head with a center tapped opening and an annular...
4429599 One way screwdriver  
A tamper proof screw head screwdriver blade utilizes a handle attached to an elongated cylindrical shaft. The distal end of the shaft is contoured so as to have a pair of diametrically opposed...
4426896 Tamper-proof fastener removal tool  
A tool for removing an in situ tamper-proof fastener of the type disclosed in U.S. Pat. Nos. 4,037,515 and 4,225,165 includes spikes located and oriented on a body to snag the head of the fastener...
4339971 Fastener and driving tool  
A driving tool and fastener, in the driving end of which is provided a nick or slot for insertion of the driving tool for driving the fastener, are provided which, because of their particular,...
4325276 Nipple engaging tool  
A tool for engaging nipples to be applied to or removed from threaded pipe has a plurality of circumferentially spaced longitudinally extending gripping edges formed on elongated members which are...
4270418 Fluted tool  
A tool for removing bungs and screws comprises a shank adapted for connection to a rotated drive and an enlarged head with transverse axial slots formed therethrough and an axial threaded bore...
4187892 Recessed screw heads and drivers  
A screw head is provided with projections on selected of the driver-engageable surfaces of the head to interlock with surfaces and edges of the driver to reduce the tendency for the driver to slip...
4078458 Screw extractor  
A screw extractor utilizes a twist drill affixed to one end of an extractor bit having a shank portion suitable for grasping by the chuck end of an electric drill. In use, the drill causes a hole...
4026338 Retractor for one-way screw  
A shaft having a pair of oppositely angled projections on one end engages the head of a one-way screw for retracting the screw by rotation of the shaft. The shaft may integrally carry a stabilizing...
Matches 1 - 50 out of 63 1 2 >