Chucks or sockets – Socket type – Spring biased jaws
Patent
1979-03-05
1980-08-05
Briggs, William R.
Chucks or sockets
Socket type
Spring biased jaws
279 46R, 279 49, B23B 3112
Patent
active
042158710
ABSTRACT:
A hand-held collet for holding a tool or the like within displaceable jaw pieces which are mounted on sprung rods accommodated within a hollow tubular handle.
REFERENCES:
patent: 160954 (1875-03-01), Reilley
patent: 184445 (1876-11-01), Trump
patent: 432180 (1890-07-01), Davis
patent: 990087 (1911-04-01), Whitehead
patent: 1306354 (1919-06-01), Robbins
patent: 1362981 (1920-12-01), Ashley
patent: 2683931 (1954-07-01), Fahlgren
Cohen Ilan
Hirsch Mordechai
Briggs William R.
Vargus Ltd.
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