Ball-bolt chuck

Details Ball-bolt chuck Ball-bolt chuck

2005-01-04

2005-01-04

Howell, Daniel W. (Department: 3722)

Chucks or sockets

Pivoted jaw

C279S119000, C279S121000, C279S132000, C279S141000

Reexamination Certificate

active

06837499

ABSTRACT:
A chuck has a chuck body rotatable about a main axis and a plate displaceable axially on the body between an outer position and an inner position. Springs urge the plate into the outer position. A locking element on the body can move between a blocking position preventing displacement of the plate from the outer position into the inner position and a freeing position permitting such displacement. A plurality of jaw holders angularly spaced about the axis are fixed axially on the plate and each have radially displaceable outer and inner ends. A piston axially displaceable in the body has cam formations engaging the jaw-holder inner ends for radially displacing the jaw-holder outer ends on axial displacement of the piston.

REFERENCES:
patent: 3099457 (1963-07-01), Hohwart et al.
patent: 3380747 (1968-04-01), Hohwart et al.
patent: 3423098 (1969-01-01), Toth et al.
patent: 5184833 (1993-02-01), Cross et al.
patent: 5605343 (1997-02-01), Barbieux
patent: 6036197 (2000-03-01), Barbieux
patent: 6206382 (2001-03-01), Gonnocci
patent: 6367816 (2002-04-01), Denzinger et al.
patent: 6371493 (2002-04-01), Barbieux
patent: 6375197 (2002-04-01), Barbieux
patent: 6454278 (2002-09-01), Wrobel et al.
patent: 3322201 (1985-01-01), None
patent: 64-58403 (1989-03-01), None

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