Machine element or mechanism – Gearing – Interchangeably locked
Patent
1980-07-07
1983-05-17
Bonck, Rodney H.
Machine element or mechanism
Gearing
Interchangeably locked
74329, 74335, 74527, 192 21, 192 51, F16H 506, F16D 2104
Patent
active
043834540
ABSTRACT:
A reversible slip clutch, which comprises a first shaft, a first spur gear driven by an external source, a second spur gear rotatably mounted at one end of said first shaft, to be rotated by said first spur gear in a direction opposite to the rotation of the first spur gear, a second shaft, a third spur gear rotatably mounted at one end of said second shaft to be rotated by said first spur gear in a direction opposite to the rotation of the first spur gear, a fourth spur gear rotatably mounted inwardly of said second spur gear at the other end of said first shaft, a fifth, output spur gear rotatably mounted inwardly of said third spur gear at the other end of said second shaft, said output spur gear engaging said fourth spur gear, and means for providing alternate inward pressure to said second and third spur gears to thereby urge said second spur gear to frictionally engage said fourth spur gear and said third spur gear to frictionally engage said fifth spur gear.
REFERENCES:
patent: 2288722 (1940-11-01), Lear et al.
patent: 2558502 (1948-11-01), Williams
patent: 2593365 (1952-04-01), Thull
patent: 2939324 (1960-06-01), Gilbert et al.
patent: 2950490 (1960-08-01), Schwartz et al.
Bonck Rodney H.
Pitney Bowes Inc.
Scribner Albert W.
Shannon, III L. D.
Sklar Lawrence E.
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