Segmented adjustable top jaw for a chuck and method for using th

Details Segmented adjustable top jaw for a chuck and method for using th Segmented adjustable top jaw for a chuck and method for using th

1992-05-28

1993-08-17

Bishop, Steven C.

Chucks or sockets

Radially reciprocating jaws

Jaws

279153, B23B 3116

Patent

active

052362078

ABSTRACT:
A segmented adjustable top jaw (25) capable of being mounted upon a chuck has a slot (100) partially extending the length of the jaw (25) and defining a body inner portion (105), a body outer portion (110) with a gripping surface (30), and a hinge (115) therebetween. Upon mounting the body inner portion (105) to the lathe, concentricity among cooperating top jaws (25) may be provided by deflecting the body outer portion (110) toward or away from the body inner portion (105) about the hinge (115), thereby causing the gripping surface (30) of the jaw (25) to rotate about the hinge (115) resulting in an upward or downward movement of the gripping surface (30).

REFERENCES:
patent: 242173 (1881-05-01), Whitehead
patent: 3097548 (1963-07-01), Johnson
patent: 3244429 (1966-04-01), Walker et al.
patent: 4221391 (1980-09-01), Dutton
patent: 4353561 (1982-10-01), Peterson
patent: 4772034 (1988-09-01), Brown
patent: 4780029 (1988-10-01), Beck
patent: 4928981 (1990-05-01), Brown
"Compensating Chuck Jaws", by Charles Homewood, in American Machinist, Nov. 6, 1924, p. 744.

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