Class 294/101 - Pivoted cam and hook

Subclass of Class 294 - Handling: hand and hoist-line implements
Definition: Grapples having hook-shaped terminals, within the bight
No. of patents: 29
Last issue date: 05/29/2012

Number	Title	Issue Date
8186732	Clamping device A hoist clamp device for clamping an object. The device includes a frame, a first clamping part, movably connected to the frame and provided with a first gripping surface, a second clamping part, coupled to the frame, provided with a second gripping surface, and arr...	05/29/2012
7819448	Plate lifting clamp A plate lifting clamp may include a body with a slot sized to receive the plate. A contact member may be positioned at a first side of the slot, and a cam may be attached to the body and positioned at the slot across from the contact member. The cam may include a co...	10/26/2010
7422257	Truss gripping hook Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation ...	09/09/2008
7318612	Gravity actuated retrieval device Gravity-actuated device for retrieving various types of objects from various ground surfaces. The device has a single retrieval arm pivotably mounted on a slender frame. Gripping elements on the end of the retrieval arm allow the operator to grip a variety of object...	01/15/2008
7255381	Hook and method for separating wire harness using the same A hook comprises a pair of hook bodies, a pair of hook portions, a movable pressing portion, an operating portion and a link unit. The hook bodies are formed of two plates disposed apart from each other, respectively. The hook portions are integrally fixed to lower ...	08/14/2007
7059644	Truss gripping hook Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation ...	06/13/2006
6994385	Arrow extractor An arrow extractor presents a plate having a shelf thereon for placement along one side of an embedded arrow shaft. A locking block on the opposed side of the shaft is movable from a first release position to a second locked position against the shaft so as to clamp...	02/07/2006
6942266	Rim flange clamp A device that clamps to the flange ring of a tire. The clamp has a rear section that can be used to attach a lifting chain or other implement to facilitate the removal and lifting of these flanges. The device consists of a pair of jaws mounted on a body. The jaws ca...	09/13/2005
6652016	Self-locking forceps for raising a slab-shaped product A forceps is described which is self-locking and is used for raising slabs. It is of the type which has two jaws in hard steel which are reciprocally hinged so that they may be closed or opened with automatic locking when they come in contact with the pro...	11/25/2003
5395370	Vertebral compression clamp for surgical repair to damage to the spine A medical technical compression implant (1) for the surgical repair of damage to the spine, especially in the cervical region, includes two clamp jaws (3, 4), which are directed toward each other, are hook-shaped, are connected by a threaded spindle (2), ...	03/07/1995
5380055	Sheet material puller A sheet puller designed to move sheet metal stock having a rotatable offset cam with teeth which interacts with a pressure plate which holds the sheet to be moved, the teeth on the cam being designed to engage the sheet when the puller is moved in one dir...	01/10/1995
5255950	Clamp with freely rotatable coupling and associated method of rotatably manipulating a structural member A screw-type clamp for gripping structural members such as steel sheets has a generally U-shaped clamp body with projecting portions forming therebetween a material receiving slot. A screw is threadedly received through a portion of the body and has mount...	10/26/1993
5005890	Lifting clamp A lifting clamp includes a clamp body defining a chamber for receiving articles, first and second opposing and facing jaws coupled to the clamp body, and a drive mechanism, coupling the second jaw to the clamp body for moving the second jaw along a path r...	04/09/1991
4938517	Clamp for handling and lifting sheet-metal, plates or the like A clamp of the type comprising a body which, equipped with a gripper has a clevis-shaped part consisting, on the one hand, of a fixed jaw and, on the other hand, of a mobile jaw in the shape of a pivoting cam subjected to the action of a spring, the mobil...	07/03/1990
4884836	Plate lifting clamp The plate lifting clamp of the present invention includes linkage disposed on the clamp with one end of the linkage connected to the lifting shackle and the other end of the linkage connected to a cam rotatably mounted on the clamp. A spring on the linkag...	12/05/1989
4834442	Lifting clamp A device for lifting metal plate or the like includes a substantially U-shaped housing which contains a toothless eccentric cam and a shackle. The toothless eccentric cam is mounted to the shackle by use of a connecting link and a radius link. The radius ...	05/30/1989
4702508	Lifting clamp cam wear indicator and method A plate lifting clamp has an eccentric cam with spaced apart rounded teeth having sharp crested edges which are provided with gauge marks extending into each tooth. Excessive wear on the teeth may be visually observed by comparing the worn portion of each...	10/27/1987
4647098	Hoist clamp The hoist clamp has a coupling eye (7) which has a gimbal-type connection by means of the shafts (5,6) to clamp operating crank (14). When a diagonal pull is exerted, the neck (42) of the coupling eye (7) engages against a bracing point (3,4) which is suf...	03/03/1987
4641877	Lifting clamp cam wear indicator and method A plate lifting clamp has an eccentric cam with spaced apart teeth having sharp crest edges which are provided with slots extending radially into the teeth. Excessive wear on the teeth may be visually observed by the decreasing depth of the slot or disapp...	02/10/1987
4498699	Lifting clamp locking mechanism with push button release handle A lifting clamp for articles such as steel plates has a clamp body defining a slot to receive the article to be lifted with opposed jaws mounted on opposite sides of the slot, one jaw being mounted for opening and closing movement relative to the other ja...	02/12/1985
4492401	Non-marring lifting clamp A non-marring lifting clamp for articles such as metal plates has a pair of opposed jaws mounted on opposite sides of a slot formed in the side plates of the clamp body with one of the jaws being pivotally mounted for opening and closing movements relativ...	01/08/1985
4491358	Clamp A clamp suitable for a wide variety of uses is provided. The clamp is particularly suitable for selectively either rotating a variety of standard structural workpieces so that they rest on a new base after a lift, or lifting workpieces so that they rest o...	01/01/1985
4327944	Tongs designed to lift and handle metal sheets and similar materials A clamping device for handling and lifting metal sheets is disclosed. The device has a body member with a first flanged portion and a second flanged portion mounted adjacent to the first flanged portion. The first and second flanged portions define an ope...	05/04/1982
4273373	Hoist clamp Hoist clamp for clampingly gripping plate-shaped pieces, comprising a smooth eccentric clamping segment constituting part of a spring operated toggle lever system and co-operating with a smooth counter clamping segment which is part of a wedge, a locking ...	06/16/1981
4183571	Screw-type lifting clamp A screw-type lifting clamp comprising a generally U-shaped clamp body having a pair of spaced, opposed projections defining a generally vertically downwardly facing material receiving slot, a lifting shackle attached to said clamp body, a screw threadedly...	01/15/1980
4162804	Lifting clamp A lifting clamp for articles such as steel plates has a movable arcuate gripping jaw, a pivotally mounted arcuate cam jaw, an enlarged recessed opening to receive the article to be lifted, a shackle, a linkage connecting the shackle to the gripping jaw an...	07/31/1979
4113298	Lifting clamp and spring therefor A locking type of lifting clamp for lifting steel plates is disclosed in which there is provided the usual clamp body with a pivoted gripping cam pivotally mounted to extend across a slot into and out of engagement with a steel plate to be lifted. This ca...	09/12/1978
4035010	Device for gripping and lifting T-shaped structural member The present invention discloses a device for gripping and lifting large-sized T-shaped structural members (to be referred to as the "T structural member" for brevity in this specification) each consisting of a face plate and a web plate. The T structural ...	07/12/1977
3947011	Clamp usable as jig and lifting clamp There is provided a clamp which is well suited for use as a lifting clamp for lifting and moving materials of assembly in a shipyard, etc. and as a pulling jig in welding and other operations. The clamp comprises a clamp body including a shackle for engag...	03/30/1976

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Class 294/101 - Pivoted cam and hook