Class 81/185.1 - Removable jaw face

Subclass of Class 81 - Tools
Definition: Tool comprising a work-engaging portion which is selectively
No. of patents: 27
Last issue date: 08/14/2007

Number	Title	Issue Date
7254855	Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool A multi-purpose hand tool has a first member having a first portion and a second portion. A second portion member is slidably and pivotally coupled to the second portion of the first member. A coupling assembly pivotally couples the second member to the second porti...	08/14/2007
7249548	Apparatus for cutting corrugated metal sheet An apparatus for cutting a corrugated metal sheet is disclosed. The apparatus includes a table, a clamp assembly, and a cutting tool. The clamp assembly has a lower frame and an upper frame. A lower vibration absorbing pad is supported by the lower frame, and an upp...	07/31/2007
7000888	Pump rod clamp and blowout preventer A pump rod clamp for gripping a pump rod in an oil, gas or water well. The pump rod clamp comprises a central housing having a longitudinal bore for receiving a pump rod, a plurality of clamping members receivable within the central housing, and one or more actuator...	02/21/2006
6966242	Adjustable wrench with preset stops An adjustable wrench comprising a moveable jaw, a stationary jaw, and a worm gear driving the moveable jaw. The worm gear is, in turn, meshed with a rack of the moveable jaw and is driven by a reversible servomotor. Activation of the servomotor produces linear recip...	11/22/2005
6942559	Polishing device The polishing device has a shank and at least one polishing disk arranged on one end of the shank, that can be friction-fixed by two stops one opposite another. The polishing device has a protective element preventing contact between the surface to be polished and t...	09/13/2005
6637296	Jaw assembly for gripping pipes A jaw assembly for a power tong or back-up tong is provided with a jaw die plate and die seating surface that are shaped to permit radial insertion of the die plate onto its seating surface. Both vertical and horizontally aligned splines, or spline segmen...	10/28/2003
6477925	Pliers A pair of pliers has a pair of jaw support frames engaging with each other, and two jaw blocks. Each jaw block has a mount having at least a round hole, a ball, a spring, and a threaded disk. The ball, the spring and the threaded disk are inserted in the ...	11/12/2002
6339980	Protective tool cover A protective tool cover for preventing damage to objects being worked upon with tools. The protective tool cover includes at least one cover member being adapted to cover the gripping and tool-working portions of a tool and also being made of plastic to s...	01/22/2002
6289773	Adjustable wrench An improved adjustable wrench (10) having a body (12) that is divided into a handle portion (14) and a head portion (16). The head portion has an opening (20) defined by a first jaw member (22), a second jaw member (24), and a back portion (26). The first...	09/18/2001
6253643	Jaw assembly The present invention provides a jaw assembly and die insert for use in conventional power tongs, back-up power tongs, and similar tools. The die insert has a rear surface having a plurality of splines extending outwardly from the rear surface and forming...	07/03/2001
6050157	Setting tool for anchor rods of attachment anchors A setting tool for anchor rods of attachment anchors, which have a rear end section (P) having a polygonal cross-section, the setting tool including a housing (2) provided with an insertion end receivable in a chuck of a percussion rotary drill and a rod ...	04/18/2000
5944330	Lathe mates A non-surface marring work piece lathe mate pad which is interposed and held between the work piece and a lathe's chuck jaws. Each lathe mate has two grooved surfaces extending around three of its sides and flattened front and back surfaces which engage t...	08/31/1999
5613410	Adjustable head structure for wrenches An adjustable head structure for wrenches is disclosed. The head structure has a head unit integrally formed with or separately formed from a wrench handle. The head unit is commonly used for tightening or loosening nuts and bolts having different sizes b...	03/25/1997
5579667	Adjustable wrench An adjustable wrench having at least one size-adjusting block on its head is disclosed. The adjusting block includes an eccentric fitting member that is, an eccentric fitting column or an eccentric fitting hole. The eccentric fitting means is eccentricall...	12/03/1996
5261300	Wrench for installing an electrical connector A wrench for installing or removing an electrical connector having a collar s provided. The wrench comprises two handles, an elongated sleeve, a shaft, a cam, and a grip. One end of the elongated sleeve slidably attaches to a hub of the grip while the othe...	11/16/1993
5221099	Device for conducting forces into movable objects The jaws of a clamp are provided with elastomeric linings, and gripping elements of high hardness in the form of pins or particles are embedded in the linings. The gripping elements have tips which are directed away from the respective jaws....	06/22/1993
4905550	Attachment for wrench jaws The utility of attachments for wrench jaws which provide gripping surfaces which will not injure highly polished surfaces to which the wrench is gripped. An attachment for wrench jaws is disclosed wherein the attachment comprises a unitary piece capable o...	03/06/1990
4836067	Protective socket insert This invention is a socket insert to protect the finely finished surfaces of machinery and the nuts and bolts associated therewith. This protective insert is in the form of a nonmetallic material and is so sized that it will fit into a standard socket typ...	06/06/1989
4809570	Adjustable box wrench An adjustable box wrench comprising a box body, an elastic steel beam, and adjustment fragment and a box arm. The adjustment fragment is adjustable inside a hole in the box body to form various size hexagonal holes. Teeth on opposite side of the hole and ...	03/07/1989
4690019	Operating wrench for tamperproof hydrants A tamperproof fire hydrant which can only be operated with use of a special operating means or tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. The hydrant is provided with the usual polygonal end portion of th...	09/01/1987
4576067	Jaw assembly A jaw assembly is provided for gripping tubular members, particularly pipes. The assembly comprises a jaw member, which is attachable to a conventional gripping mechanism, and a removable die which is attachable to the jaw member. The jaw member is provid...	03/18/1986
4315447	No mar pliers A pair of pliers including a pair of crossing steel levers pivoted on a pivot pin, and a pair of mating jaws at one end of the levers, each of the jaws being lined with an insert made of a tough rubber material in order to grasp a work without marring its...	02/16/1982
4130032	High-torque open-end wrench A wrench usable where limited access normally requires an open-end wrench, but which has substantially the high-torque capacity and small radial clearance characteristics of a closed-end wrench. The wrench includes a sleeve forming a nut-engageable socket...	12/19/1978
4070933	Pipe wrench jaw A pipe wrench jaw adapted to be utilized with a wrench having a pair of jaw members adapted to be moved towards and away from each other. The replaceable jaw comprises a housing member having an upper and lower end spaced from each other and a pair of sid...	01/31/1978
4052917	Jar and bottle cap opener A jar and bottle cap opener having a pair of interchangeably sized gripping jaws slid into engagement along a handle with opposite surfaces of a jar or bottle cap and locked into firm gripping engagement therewith. The handle is then rotated to twist off ...	10/11/1977

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Class 81/185.1 - Removable jaw face