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Class 279/75 - Ball or roller jaws


Subclass of Class 279 - Chucks or sockets
Definition: Devices wherein the jaws are balls or rollers.
No. of patents: 250
Last issue date: 10/12/2010


1              
NumberTitleIssue Date
7810817Holder for replaceable tools
A holder for replaceable tools and having a body with an opening along a longitudinal axis for snugly and individually receiving various tools. Two balls are on the body for engagement with the tools, and there is a projection into the opening for contacting the too...
10/12/2010
7740249Holder for replaceable tools
A holder for replaceable tools, including a body with an axial opening extending along an axis and for releasably receiving the tools and having two radial openings with balls therein extending into the axial opening. Two ramps are movable on the body and they engag...
06/22/2010
7469909Chuck for receiving tools operated by rotating around the axis thereof
A chuck for receiving tools (1) that are operated by rotating around the axis thereof, particularly screwdriver bits, and having an insertion section (3) which is provided with a receiving cavity (2) having a non-circular cross-sectional area (
12/30/2008
7435042Flexible and extendable drill bit assembly
A flexible, extendable extension assembly used to create extended length holes and holes through inaccessible areas in walls and framing. The extension assembly including a flexible rod having first and second ends; and a holding means secured to the first end of th...
10/14/2008
7387054Screw driving device
A screw driving device is provided which can counter-sink a screw at angles off of normal from a workpiece. The device includes a shank held in contact with a screw bit to drive the tip when a plurality of balls are held in contact between a screw bit head and a sle...
06/17/2008
7387479Quick-release tool holder for rotary tools
An apparatus for changing cutting tool bits rapidly on milling machines, lathes, drills and other types of rotary power tools includes a first portion that is attached to the rotary power tool and retained thereto. A second portion includes the tool bit attached the...
06/17/2008
7360606Hand machine tool with a removeable tool holder
A hand power tool has a striking element via which a tool (10) in a tool holder (12) can be driven in striking fashion, which the tool holder can be detachably secured—via its body (14)—to a drive part (16) via at least one locking el...
04/22/2008
7340980Tattoo machine
A tattoo machine, comprising at least one elongated hollow body inside which there is a cavity for containing a coloring liquid that is connected to the outside by a hole provided at one end of the hollow body, a needle that can slide in a reciprocating fashion alon...
03/11/2008
7334970Fast change bit holder device
A method and apparatus for forming apertures and inserting fasteners in a workpiece is disclosed. One embodiment relates generally to a bit holder device for forming apertures and inserting fasteners into a workpiece. This embodiment comprises a tool bit, a hex hold...
02/26/2008
7331738Drill adapter for a power screwdriver
A drill adapter for a power screwdriver and including a locking device for releasably securing the drill adapter (28) on the support region (66) of the screwdriver (4) and having a push-on sleeve (30) supportable on the support region (
02/19/2008
7328903Chuck
A chuck has an attachment device for attaching the chuck to a machine spindle and a collet with clamping jaws defining an insertion opening at an end of the chuck opposite the attachment device. A sliding sleeve surrounds the clamping jaws and is axially moveable in...
02/12/2008
7325811Chuck
A chuck (2) for a hand-held power tool (4), which is connected with a motor-driven spindle (6) of the power tool for joint rotation therewith, includes a locking device for securing a shaft section of an exchangeable working tool and having a ci...
02/05/2008
7309195Shank for a rotary and/or percussive tool
A shank for a rotary and percussive tool has a locking groove (3) arranged between two guided regions (1a, 1b) and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, withi...
12/18/2007
7296804Hand-held instrument holder for surgical use
A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular...
11/20/2007
7287449Screwdriver with removable rod
Screwing tool (1) having a grip (2) and a shank (3), which is received removably in a cavity (4) open toward an end of the grip (2) and which at its free end has an actuating portion (5). The shank (3) is retained in ...
10/30/2007
7282017Tool-switching device
Tool-switching device for a machine for measuring coordinates wherein the tool is fastened on the tool-carrier and held by the action of elements exerting an axial force. The locking force is taken over symmetrically by the elements of a Boys connection, which incre...
10/16/2007
7273997Laser processing nozzle coupling
A laser processing nozzle coupling assembly for connecting a laser processing nozzle to a laser processing head includes a hollow sleeve, a laser processing nozzle adapted to be removably coupled to the sleeve, and a collar for coupling the nozzle to the sleeve. The...
09/25/2007
7257900Canted saw blade
A saw blade incorporates an integrated cant angle. The saw blade includes a cutting portion having a toothed edge and opposite edge. The toothed edge defines a cutting plane. A shank portion extends from the cutting portion and is laterally offset from the opposite ...
08/21/2007
7251897Blade clamping device
The present invention relates to a quick-change saw blade clamping device which includes an output shaft, a cylindrical rotatable sleeve and a torsion spring. The output shaft is coupled to a blade carrier which is disposed within the cylindrical rotatable sleeve. A...
08/07/2007
7243922Drill 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
7214010Tool bit holder and hand power tool
A tool bit holder for a hand power tool has a tool bit holder body has a receiving bore for a tool bit shaft of a tool bit insert with at least one recess, a locking body snappable into place with the recess of the tool bit shaft and supported radially displaceably ...
05/08/2007
7195247Tool joint
A joint is disclosed for connecting a handle with various bits. The joint includes an insert fit in the handle, a socket connected with the insert for receiving the bits, a first locking device installed on the socket for locking long bits to the socket and a second...
03/27/2007
7192226Shrink fit holder and methods of drilling and reaming
A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr...
03/20/2007
7175184Collect tool holder and method of making same
A tool holder for a tool with a recess having detent disposed therein for holding the tool axially, and having a sleeve telescoped over a collet which has flexible fingers and with the sleeve and the fingers having camming surfaces for effecting clamping onto the to...
02/13/2007
7175185Bit holder
A bit holder comprises a shank, a sleeve placed over the shank, and an adjusting sleeve coupled to the sleeve. The shank has a combination part for incorporating with a hand tool, a C-shaped retaining groove for engaging with a C-shaped buckle, and a combination gro...
02/13/2007
7171875Adjustable head for a wrench
A wrench includes a handle, a head having a pivotal portion pivotably connected to an end of the handle, and a retaining mechanism. The pivotal portion of the head includes two end portions and an intermediate portion between the end portions. The intermediate porti...
02/06/2007
7150751Modular tool connection assembly
A modular tool connection assembly includes a housing which defines the main axis of assembly with a linear bore for containing the components of the assembly. The housing contains a connector component presenting a first taper portion. The connector is retained in ...
12/19/2006
7137457Hand-held machine tool
A hand power tool, in particular a drill hammer or jackhammer, is disclosed, which has a guide tube (11), a tool holder (24) that can be attached interchangeably to the guide tube (11), and a locking device (23) that locks the tool holder...
11/21/2006
7121774Clamping device for hexagon bits
A clamping device has a hexagon receptacle for receiving hexagon bits inserted in an axial direction of the hexagon receptacle. A radially movable locking element is provided for engaging a locking recess of an inserted hexagon bit. The locking element has a rest po...
10/17/2006
7121271Anti-pinch bolt
An anti-pinch bolt is provided for use with a paintball marker having an automatic reloading mechanism comprising an instrument connected to the bolt by a pin for moving the bolt between a loading and a loaded position. The bolt comprises a tubular bolt body having ...
10/17/2006
7114728Rapid detached connecting device
A rapid detached connecting device comprises a rod body having an engaging portion; the rod body having a hollow body; an engaging block installed within the rod body; the engaging block having a stop block; a buckling unit inserted into the engaging portion for lim...
10/03/2006
7111530Screwdriver fast connector
A screwdriver fast connector is comprised of a shank including an insertion channel, an accommodation hole with a coil, an accommodation channel, and an elastic member penetrating the shank in radius; a locking member including a steel bead; and a slide member inclu...
09/26/2006
7112016Universal quick change hole saw arbor
An arbor assembly includes a shank mounted to the chuck of an electric drill, an adaptor which supports a hole saw mounted to the shank, and a sleeve for locking and unlocking the adaptor and the shank. Rotational forces from the drill are transferred to the adaptor...
09/26/2006
7108464Switch assembly
An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device,...
09/19/2006
7104738Hole saw arbor
An arbor (20) for a tool is provided. The arbor includes a shaft (22) and a locking mechanism (24) operatively coupled to the shaft. The arbor also includes an adapter (26) removably coupled to the shaft by the locking mechanism, the adap...
09/12/2006
7097398Multi-functional bit & connect-disconnect coupling used therewith
A tool employs a connect-disconnect coupling for a power drill to hold a multi-functional bit having at its one end a drill element adapted to form a hole and a countersink and at its other end a driver element to drive a screw or other type of fastener. ...
08/29/2006
7086813Quick-acting tool bit holder
A “snap-in” bit chuck assembly for a rotary hand or powered tool, includes an elongated body having a hex shank at its rearward end, an elongated retraction collar slidably disposed on the body, and an outer retaining collar fixed to the forward end of the body....
08/08/2006
7086313Screwdriver connector
In one aspect, the present invention provides screwdriver connectors that each include (a) a body defining (1) a first end defining a first opening and a second opening; (2) a first cavity that opens onto the first end through the first opening; (3) a second cavity,...
08/08/2006
7083003Power tool with detachable drive end
A rotary tool includes a housing structure with a plurality of apertures therein, drive mechanism disposed within the housing structure, a detachable drive end mechanism coupled to the drive mechanism, and a retaining structure received by the apertures. The drive m...
08/01/2006
7063706Distraction device
A distraction device for moving a one-part or two-part or separated bone apart in order to extend or bridge a bone gap. The device is optionally provided in the form of an intramedullary pin, which can be inserted into a medullary space of a bone and which has at le...
06/20/2006
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