Class 81/453 - With camming or wedging element for moving members

Subclass of Class 81 - Tools
Definition: Gripping means including either a rotatable camming or a
No. of patents: 37
Last issue date: 01/03/2012

Number	Title	Issue Date
8087328	Adjustable one way screw remover A tool for removing conventional one way fasteners that includes, generally, a member, a collar, and, a shaft that can be removably received by the collar, wherein in the shaft is configured to engage regions of the fastener head. The collar is adjustable to fit fas...	01/03/2012
7905164	Adjustable one way screw remover A tool for removing conventional one way fasteners that includes, generally, a member, a collar, and, a shaft that can be removably received by the collar, wherein in the shaft is configured to engage regions of the fastener head. The collar is adjustable to fit fas...	03/15/2011
7367979	Screwdriver A scissor-action screwdriver and screwdriver attachment comprises a plurality of arms pivotally attached to one another; a bias element mounted in at least one of the plurality of arms; and a sleeve slidably mounted around at least one of the plurality of arms, wher...	05/06/2008
7249540	Connector adapter An adapter for installing a connector to a terminal post, wherein the connector is attached to a cable, is presented. In an embodiment, the adapter is comprised of an elongated collet member having a longitudinal axis comprised of a first collet member end, a second...	07/31/2007
7246540	Nut and bolt holder and starter Three congruent prongs (16A, 16B, 16C) mounted on a shaft tube (12), converges simultaneously when an operating sleeve (14) moves forward. This action, along with their notches and shape provides a firm grip for holding and startin...	07/24/2007
7174812	Driving tool having fastener retaining device A driving tool includes a driving shank having a handle for rotating the driving shank and having an engaging hole formed by two or more spring blades for receiving a fastener, and an actuating device for actuating the spring blades to move radially inward and to fo...	02/13/2007
7156005	Multiple bit hand tool with automatic bit locking The hand tool has a chuck with a central axial opening through which bits or other tool elements are selectively moved from a retracted position to an extended operative position. A mechanical element automatically engages the tool element, such that as the tool ele...	01/02/2007
7069826	Screwdriver attachment An attachment for drivers of screw type fasteners for releasably holding the fastener in place at the end thereof for inserting or removing. The attachment comprises a shaft collar, a spring, and a grasper, the grasper comprising an upper and a lower guide ferrule, ...	07/04/2006
7040202	Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner comprises a spanner body; one end of the spanner body having a driving portion. The driving portion has at least one axial slots. Each slot is extended from a center of one end surface of the driving portion to an edge of t...	05/09/2006
7028592	Tool element and screw for mating engagement therewith Disclosed herein is a kit comprising a tool element and a screw for mating engagement therewith. The tool element is preferably a portion of a screwdriver, ratchet or power tool and preferably comprises blade means, flared drive means and substantially rectangular s...	04/18/2006
6997086	Locking screwdriver A locking screwdriver which engages and locks to the head of a screw preventing unseating of the screwdriver from the screw during screw removal and firmly holding and guiding self-tapping screws during their placement. ...	02/14/2006
6739219	Damaged light bulb base extractor A damaged light bulb base extractor has a generally cylindrical, resilient, expandable base-engaging member mounted on a handle member. With the base-engaging member sandwiched between compression plates, relative movement of the compression plates toward each other...	05/25/2004
6704987	Tool used in combination with cable security device The present invention is a terminator tool used in combination with a cable security terminator for installing or removing the cable security terminator. The terminator tool includes a handle, a shaft, a retaining pin and a spring member. The shaft is hollow and ext...	03/16/2004
6701812	Screw catcher for power driven screwdrivers An attachment means which attaches the device close to the front end of the bit of a power driver or an electric screwdriver, a screw capturing chuck means with several elastic holding fingers, the front end of said holding fingers being placed around the...	03/09/2004
6497166	Screw setter tool This invention is directed to a screw setting device which is connected to an electric drill and is designed not to release from a screw head until a screw is completely installed. The screw setting device includes a shank, prongs, a collet a driving tip,...	12/24/2002
6415693	Sleeve-shaped device to retain screws while these are turned into an object such as a bone by means of a screw driver A device to retain screws during insertion into an object such as a bone by use of a screw-driver. The device comprises comprising a gripping sleeve the free end of which has a radially expandable portion for receiving the screw and the other end of which...	07/09/2002
6286401	Screwdriver with holding feature for socket head screws A screwdriver has a drive bit with a drive portion for engaging a socket within a socket-headed screw, with the drive portion being expanded by the distal end of an internal pushrod operating on the conical surface of a hold within the drive bit. The push...	09/11/2001
6244141	Fastener holding device A fastener holding device is designed for use with power or hand tools. The device securely engages a fastener, such as a screw, and automatically disengages the fastener when the device is pushed against a work surface. The device includes a driving bit ...	06/12/2001
6189422	Screwdriver A screwdriver for introducing and screwing a screw into the human or animal body and/or for unscrewing and removing a screw from the human or animal body has a handle and a shaft whose front end has a blade that can be brought into engagement with a screw...	02/20/2001
6082233	Fastener holding device A fastener holding device is designed for use with power or hand tools. The device securely engages a fastener, such as a screw, and automatically disengages the fastener when the device is pushed against a work surface. The device includes a driving bit ...	07/04/2000
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 possible to impart torque for removal of the fastener through ro...	10/13/1998
5791212	Fastener holding device A fastener holding device is designed for use with power tools. The device securely engages a fastener, such as a screw, and automatically disengages the fastener when the device is pushed against a work material. The device includes a driving bit assembl...	08/11/1998
5667513	Soft tissue anchor delivery apparatus A soft tissue anchor delivery apparatus includes a gripping device having fingers at the distal end and configured such that they can hold a soft tissue anchor about the head portion of the anchor. An actuating tube slides over the gripper and the fingers...	09/16/1997
5649931	Orthopaedic apparatus for driving and/or removing a bone screw The invention is directed to an orthopaedic apparatus 10 for at least one of removing and driving an elongated fixation member 12 having an enlarged head 22. The orthopaedic apparatus 10 includes a hollow, elongated body 14 having an open end 26 for recei...	07/22/1997
5355752	Screwholder for screwdriver A screwholder adapted to be mounted over a screwdriver shank that includes an outwardly flared blade section adjacent a screwdriver tip is disclosed. The screwholder includes a hollow extension tube that mounts over the screwdriver shank. One end of the h...	10/18/1994
5095779	Collet type fastener removal tool There is disclosed a tool for the removal of locking collars of the frangible fasteners used in the aerospace industry, particularly for removal of fasteners installed in close quarters such in a deep channel where conventional tools cannot grip the colla...	03/17/1992
5025688	Expandable drive tool tip for screw retention A fastener drive tool for applying a rotational torque to a threaded fastener for driving the fastener into or out of a workpiece. The drive tool has an elongated shaft portion with a free end which is selectively controllably engageable with a recess for...	06/25/1991
4763548	Screwdriver, particularly for surgical purposes A screwdriver is provided which engages the head of the screw, and also grips the screw. The screwdriving and gripping assemblage may be readily interchanged with another in the handle of the screwdriver. Opening and closing of gripping jaws is effective ...	08/16/1988
4759241	Screw driver In a screw driver with a turning tool placed at the front end of a shank which is torsionally connected with a handle, the turning tool can be reliably prevented from slipping off the head of the screw to be turned by the fact that the turning tool is emb...	07/26/1988
4744273	Fastener retaining attachment for wrench sockets A generally U-shaped attachment of resilient sheet metal is adapted to be axially captured relative to the drive shank and wrench socket of a socket wrench assembly so as to extend along opposite sides of the socket and then inwardly of the fastener recei...	05/17/1988
4581962	Tool to capture, control and manipulate threaded fasteners The invention is intended for use with threaded fasteners, screws, bolts and similar devices, in their almost limitless applications to assembling objects and structures. These fasteners exist in many types, each requiring a special tool bit. On many occa...	04/15/1986
4363250	Device for driving screw, pin, rivet or the like A device for driving a screw, pin, rivet or the like into a threaded or drilled hole is disclosed which is adapted to operate a nozzle comprising a pair of nozzle halves to pinch it. When driving a screw by means of the device as a screw driver, a thrust ...	12/14/1982
4354403	Screw driver apparatus Screw driving apparatus in which a slide is movable back and forth on a support and is formed with a chute extending in the slide away from the support toward an open end of the chute, and with an access opening to the chute. A driver is mounted on the su...	10/19/1982
4190091	Screw, screwdriver and screw-holding attachment therefor A screwdriver has an undercut enlarged foot portion and an anti-shift pivot element of one-piece therewith. The screwdriver is longitudinally inserted into a screw such that the foot portion and the pivot element are respectively received with clearance i...	02/26/1980
4165772	Device for driving screws, rivets and the like A device for driving screws, rivets and the like is disclosed which has a nozzle consisting of an upper half part and an under half part, which are movable relative to each other. By pressing a lever with a finger of the operator and then releasing it, th...	08/28/1979
4018111	Tamper resistant fastener and tool for operating same A tamper resistant fastener comprising a screw having a shank portion on which a left-handed threaded surface is disposed and a head portion of a circular contour, the upper surface of which is provided with a circular bore at a location which is eccentri...	04/19/1977
3930808	Automatic collet hinge/screw placement machine An automatic collet hinge/screw placement machine comprising a reservoir for bulk storage of screws, a vibrator segregating the screws into a plurality of magazines and an escapement mechanism for dispensing a set of screws essentially concurrently in tim...	01/06/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 81/453 - With camming or wedging element for moving members