Woodworking – Combined machine – Planing and matching
Patent
1976-05-18
1977-08-23
Simpson, Othell M.
Woodworking
Combined machine
Planing and matching
192 93C, 81 524R, B25B 234, F16D 700
Patent
active
040433650
ABSTRACT:
An automatic screwdriver apparatus is disclosed to include a ball clutch structure wherein engagement and disengagement of the ball clutch structure occurs in response to the arresting effect of independent brake means.
REFERENCES:
patent: 1124981 (1915-01-01), Weaver
patent: 2611464 (1952-09-01), Rabe
patent: 2886075 (1959-05-01), Skoog
patent: 3613751 (1971-10-01), Juhasz
patent: 3616883 (1971-11-01), Sindelar
patent: 3642039 (1972-02-01), McGee
patent: 3803952 (1974-04-01), Whale, Jr.
Bray W. D.
Simpson Othell M.
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