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Chucks or sockets October listing of patent apps 10/07

20070246900 - Collet and lock nut assembly: An collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a... Agent: Larry R. Meenan Kennametal Inc.

20070246899 - Tool holder for a rotary tool: The invention proposes a tool holder (1), in particular of the shrink-fit chuck type, the receiving section (5) of which comprises clamping means (9) which are provided centrally with respect to an axis of rotation (7) of the tool holder (1) for holding a shank (15) of a rotary tool,... Agent: Edwards Angell Palmer & Dodge LLP

20070241519 - Drill chuck with two-stage gripping: The present invention discloses a chuck mounted on a transmission shaft driven by a power source, and the chuck comprises a chuck body, plural jaws, a rear cap, an outer sleeve rotatablely fitted around the chuck body and located in front of the rear cap, and a transmission nut, characterized... Agent: Hoffmann & Baron, LLP

20070241520 - Lathe chuck having a hollow arbor: The present invention provides a lathe chuck having a hollow arbor and a cylindrical turning shaft which slides within the hollow arbor. Such an arrangement accommodates a turning shaft of considerably greater length than would ordinarily be possible. For one embodiment of the invention, the chuck is hand-tightenable, the arbor... Agent: Angus C. Fox, Iii

20070241521 - Plunger with interchangeable handle system: A plunger with interchangeable handle system for machine tools. The plunger includes a shank adapted to engage a machine tool and having a retractable plunger and a threaded adapter, the interchangeable handle system includes a plurality of knobs, each having a discrete shape differing from the others and a socket... Agent: Thompson Hine L.L.P. Intellectual Property Group

20070235951 - Self-tightening drill chuck: A drill chuck has a chuck body centered on and rotatable about an axis, a jaw holder rotatable on the body and formed with a plurality of angularly spaced guides, a sleeve surrounding the holder and body, and jaws in the guides between the sleeve and the body. Interengaging first... Agent: K.f. Ross P.C.

20070235949 - Robotic tool changer: A robotic tool changer having a master unit and a tool unit adapted to be coupled together. Movably mounted in the master unit of the robotic tool changer is a piston that is movable between locked and unlocked positions. The piston includes a contact area having an unlocking surface, a... Agent: Coats & Bennett, PLLC

20070235950 - Chuck: A chuck for a rotary and/or percussion power tool includes a rotatable sleeve-shaped base body (1), and at least two wear-resistant guide shells (6, 7) located within the base body and connected with the base body (1) for joint rotation therewith and having projecting radially inwardly entraining elements, with at... Agent: Abelman, Frayne & Schwab

20070235952 - Drill: The invention relates to a drill comprising a drivable drill spindle (4) that is rotatably mounted in a housing (3) of a drill (1), and a drill chuck (2) that is connected to the spindle end and that has a chuck body (5) that is coaxially connected in a rotationally... Agent: K.f. Ross P.C.

20070235953 - Workpiece gripping apparatus: A workpiece gripping apparatus comprising a base, two centering jaws displaceably guided on the base so as to be movable toward and away from one another, and an actuator jaw displaceably guided on both of the centering jaws. The actuator jaw is movable toward and away from the base, with... Agent: Robert W. Becker & Associates

20070235954 - Diaphragm chuck: The effect of this embodiment is that the clamping jaws (3) are not unfavourably influenced by the moments created by the quick-clamping devices (31). This is because moments of this kind are no longer transferred onto the clamping jaws (3) but rather the clamping jaws (3) are only exposed to... Agent: Pandiscio & Pandiscio

20070228670 - Electrically actuated robotic tool changer: A robotic tool changer comprises first and second units, operative to be separately attached to a robot and a robotic tool, and further operative to be selectively coupled together and decoupled. The first and second units are coupled and decoupled by an electric motor. Power from the electric motor may... Agent: Coats & Bennett, PLLC

20070228671 - Rotating coupling for robotic tool changer: In a robotic tool coupler, a rotating cam member having a plurality of surfaces formed therein urges a plurality of ball members in one tool coupling unit radially to contact an angled surface in the other tool coupling unit. Further rotation of the cam member exerts a radial force through... Agent: Coats & Bennett, PLLC

20070228672 - Multi-size fast connector: A multi-size fast connector including a main body, a holding unit and a slide unit. The main body is formed with a socket at a front end, in which a tool bit can be inserted. The holding unit serves to fixedly hold the tool bit. The slide unit serves to... Agent: Rosenberg, Klein & Lee

20070228673 - Centering process in chucking work and apparatus therefor: A process and apparatus for centering accurately and speedy a workpiece on a magnet chuck mounted on a work spindle. A pair of action pads spaced away from one another comes into engagement with the workpiece attracted to the work spindle, thereby performing the centering operation. The action pads are... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070228674 - Chuck assembly: The present invention provides an improved chuck having an engagement feature for positively locating and securing work engaging jaws on a chuck assembly, such as a diaphragm chuck assembly. In another aspect, the improved chuck also provides a quick change feature for rapid and improved mounting of the work engaging... Agent: Dobrusin & Thennisch PC