Chucks or sockets – Radially reciprocating jaws – Jaws
Patent
1996-10-23
1998-08-11
Bishop, Steven C.
Chucks or sockets
Radially reciprocating jaws
Jaws
82 111, 279153, 279154, B23B 3116
Patent
active
057916616
ABSTRACT:
A chuck has a plurality of top jaws for engaging a workpiece. Each top jaw has a recess and a slot that extend completely through the top jaw. The recess and slot allow the forward end of the top jaw to deflect in a rearward direction. This motion allows the jaws to maintain even pressure on the workpiece instead of cocking, thereby minimizing deflection of the workpiece during machining. The slot defines a rearward facing shoulder on the forward end. The maximum deflection of the forward end is limited by the width of the slot. The distance of deflection may be limited by pins located within holes extending through the jaw perpendicular to the slot.
REFERENCES:
patent: 2859044 (1958-11-01), Buck et al.
patent: 2903268 (1959-09-01), Buck et al.
patent: 3160042 (1964-12-01), Grand
patent: 4046390 (1977-09-01), Dunham
patent: 4221391 (1980-09-01), Dutton
patent: 4353561 (1982-10-01), Peterson
patent: 5071145 (1991-12-01), Brook
patent: 5236207 (1993-08-01), Ramunas et al.
Bishop Steven C.
Bradley James E.
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