Self-adjusting rotary chuck

Details Self-adjusting rotary chuck Self-adjusting rotary chuck

1979-05-07

1981-08-18

Briggs, William R.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 1B, 279 60, B23B 3108, B23B 3119

Patent

active

042842859

ABSTRACT:
A chuck having self-closing jaws, and a key-threaded rotary ring to engage said jaws in working contact with a tool within their grasp or to disengage said jaws so as to permit their free movement. The jaws themselves are such that the act of performing work with a tool held by said jaws increases the holding pressure exerted by said jaws on said tool.

REFERENCES:
patent: 310987 (1885-01-01), Church
patent: 1396022 (1921-11-01), Carriere

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