Expansible chamber devices – With cushioning means effective over a portion only of stroke
Patent
1993-03-05
1994-06-28
Denion, Thomas E.
Expansible chamber devices
With cushioning means effective over a portion only of stroke
92 85A, 92 85B, 92143, 92136, 92 68, 92146, 92161, 74 29, 74 30, 212248, F01B 1102
Patent
active
053236904
ABSTRACT:
A linear movable apparatus for imparting rotational movement to a turntable is provided. The turntable is secured to a rotatably mounted shaft having a ring gear thereon for meshed engagement with gear teeth provided on a piston rod which extends between a pair of pistons. Each piston is reciprocally carried in aligned cylinder housings mounted in a support structure. An adjustable mechanism is provided for retaining the piston rod in snug-fitting relation with the ring gear, and a bracket assembly is secured around the ring gear to support the adjustable mechanism against the ring gear.
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patent: 3003649 (1961-10-01), Przybylski
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patent: 3605409 (1971-09-01), Heese et al.
patent: 3776100 (1973-12-01), Yeh
patent: 3803925 (1974-04-01), Jackson
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