Chuck jaw

Details Chuck jaw Chuck jaw

1990-03-12

1991-04-30

Schwartz, Larry I.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 1K, B23B 3112

Patent

active

050111671

ABSTRACT:
The profiles of the threads on the jaws of a chuck, such as a three-jawed chuck, are modified so that at least one end of the jaw thread segments curve in away from the threads on the nut which operate the jaws. This prevents the end edges of the jaw thread segments from digging into the nut threads when the nut is rotated to operate the jaws.

REFERENCES:
patent: 725273 (1903-04-01), McDonough
patent: 2615721 (1952-10-01), Gridley
patent: 3927892 (1975-12-01), Pradota

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