Class 279/63 - Threaded central cone and jaw

Subclass of Class 279 - Chucks or sockets
Definition: Devices wherein an internal cone is screw-threaded to the
No. of patents: 25
Last issue date: 07/07/2009

Number	Title	Issue Date
7556269	Tool-carrier chuck for rotating machine, furnished with locking means The chuck comprises a central part associated with jaws and furnished with peripheral gear teeth, a rotating part movable in rotation about the central part, and a clamping ring movable in rotation about the rotating part by a limited angular amount. The rota...	07/07/2009
7455303	Chuck with internal nut A chuck for use with a manual or powered driver having a housing and a rotatable drive shaft, the chuck including a generally cylindrical body with a nose section and a tail section. The tail section has an internal cavity formed therein and the nose section has an ...	11/25/2008
7331584	Chuck with nutating gear reduction A tool chuck may include a chuck body that supports chuck jaws. The chuck body may define a longitudinal axis. A driven gear may be mounted for rotation on the chuck body. The rotational axis of the driven gear may be parallel to the longitudinal axis of the chuck b...	02/19/2008
7325812	Grip assembly for clutch cap, front sleeve, rear sleeve and method of making A grip assembly for one of a clutch cap for a clutch mechanism, a rear sleeve or front sleeve for a chuck assembly having a chuck mechanism with a plurality of adjustable jaws. The grip assembly includes an inner sleeve having open top and an open bottom opposite th...	02/05/2008
7284761	Bit stop for drill chuck A tool bit stop located on an inner surface of a clamping jaw of a drill chuck. The tool bit stop is located a distance from a jaw gripping surface of the clamping jaw. The tool bit stop is adapted to provide a surface to register an end of a tool bit in a consisten...	10/23/2007
7246801	Self-tightening keyless chuck The present invention relates to a self-tightening keyless chuck to enable electric percussive drills to grip a tool shank. The chuck includes a rear sleeve, a body, a bearing ring, a bearing assembly, a nut, a jaw, a front sleeve and a stopper and so on. The bearin...	07/24/2007
7243922	Drill chuck tool bit locator A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include a spring, such as a conical spring, that can be coupled to a spindle...	07/17/2007
7216873	Drill chuck A drill chuck has a chuck body centered on and axis, and a tightening element surrounding the body and rotatable thereon about the axis. The tightening element has a front sleeve formed with jaw-holding guides and a rear sleeve releasably coupled with the front slee...	05/15/2007
6997654	Tapping tool for use with drill press A tapping device is configured to be used within a drill press or lathe or other device capable of holding a cylindrical object. The tapping device has an upper projection for being axially fixed in, for example, a drill press. The remainder of the body of the tappi...	02/14/2006
6902171	Chuck device To provide a chuck device for preventing the loosening of the fastening condition, a plurality of claws inserted into a hole provided at an end of a body are opened, closed and slid by the rotation of a rotary sleeve and a tool is clamped by means of the claws. A co...	06/07/2005
6488287	Locking chuck A tool driver includes a housing and a rotatable drive shaft extending therefrom. A chuck for holding the tool includes a generally cylindrical body having a nose section and a tail section. Each of a plurality of jaws is slidably positioned in one of a p...	12/03/2002
6241259	Locking chuck A tool driver includes a housing and a rotatable drive shaft extending therefrom. A chuck for holding the tool includes a generally cylindrical body having a nose section and a tail section. Each of a plurality of jaws is slidably positioned in one of a p...	06/05/2001
6196554	Locking chuck A tool driver includes a housing and a rotatable drive shaft extending therefrom. A chuck for holding the tool includes a generally cylindrical body member having a nose section and a tail section. Each of a plurality of jaws is slidably positioned in one...	03/06/2001
6129363	Drill chuck with plastic chuck body A drill chuck has a body element formed of fiber-reinforced plastic, centered on and rotatable about an axis, and formed centered on the axis with a rearwardly open spindle hole and a forwardly open tool hole. A ring element is axially fixed but rotatable...	10/10/2000
5464230	Lockable drill chuck A drill chuck has a first body rotatable about an axis and formed with a plurality of angularly spaced angled guides, respective jaws slidable in the guides, and a second body axially fixed but rotatable on the first body. Interengaging screwthread format...	11/07/1995
5375858	Lockable self-tightening hammer-drill chuck A self-tightening hammer-drill chuck has a chuck body centered on and rotatable about an axis, a guide rotatable about the axis on the body, and a plurality of jaws radially displaceable on the guide and engaged with a screwthread of the body so that rota...	12/27/1994
5286041	Drill chuck A drill chuck for use with a tool having a shaft has a chuck body centered on and rotatable about an axis and an adjustment body centered on the axis, rotatable about the axis on the chuck body, and axially fixed on the chuck body. One of the bodies is fo...	02/15/1994
5236206	Drill chuck A drill chuck has a body centered on and rotatable about an axis, a plurality of jaws radially displaceable on the body, an adjustment sleeve rotatable but not axially displaceable on the body and engaging the jaws for radially displacing same, and a lock...	08/17/1993
5215317	Keyless chuck A chuck has a spring connection between the nut which rotates to advance or retract the jaws and the control ring or sleeve which the user rotates to operate the chuck. The spring normally transmits tightening or loosening rotation from the sleeve to the ...	06/01/1993
5171030	Self-tightening drill chuck A self-tightening drill chuck adapted to be mounted on a drill spindle for rotation about and reciprocation along the axis of the spindle has a guide body rotatable on the spindle about the axis and formed with a plurality of jaw guides inclined relative ...	12/15/1992
5054796	Self-tightening hammer-drill chuck A hammer-drill chuck has a chuck body, a sleeve rotatable but axially nondisplaceable on the chuck body, and a plurality of jaws engaged between the sleeve and chuck body. A locking-ring body is axially displaceable between a rear unlocked position and a ...	10/08/1991
4955623	Self-tightening and lockable hammer-drill chuck A drill chuck has a chuck body, a sleeve rotatable but axially nondisplaceable on the chuck body, and a plurality of jaws engaged between the sleeve and chuck body. Angled guides and a screwthread formed on the body, sleeve, and jaws radially displace the...	09/11/1990
4913449	Drill chuck with brake ring A chuck comprises a body centered on an axis and adapted to be mounted on a drill spindle for rotation about the axis and a tightening sleeve carried on the body and rotatable thereon about the axis. The sleeve or body is formed centered on the axis with ...	04/03/1990
4836563	Selftightening drill chuck A selftightening drill chuck has a chuck body having a chuck thread, a chuck sleeve, a plurality of clamp jaws which are guided slidably in the chuck sleeve inclined to the chuck axis and a locking ring on the chuck body which is rotatable between two rot...	06/06/1989
4660841	Hand tightenable device for holding a cutting implement A hand tightenable chuck for holding a cutting implement in place has been developed. The chuck uses two screw systems to achieve the proper degree of tightness; a first system providing a coarse tightening or pinching of the shaft and a second providing ...	04/28/1987

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Class 279/63 - Threaded central cone and jaw