Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1988-06-27
1989-12-26
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
248562, F16F 1504, F16M 1300
Patent
active
048893269
ABSTRACT:
In an antivibratory support interposed between two rigid elements (1-3 and 4-5) and comprising a work chamber (A) and a compensation chamber (B) separated by a dividing wall (8) with a mobile valve (10) and connected together by a restricted passage (9), a rotary cam (13) is provided immersed in the work chamber and serving as end of travel stop for the valve, the rotational movements of this cam being controllable from outside the support by means of a rod (14) passing sealingly through the dividing wall of the chamber. The cam is coupled to a a member (19) for controlling the opening of a second restricted passage (18).
REFERENCES:
patent: 4583503 (1986-04-01), Kumagai et al.
patent: 4650170 (1987-03-01), Fukushima
patent: 4770392 (1988-09-01), Schmidt
Hutchinson
Oberleitner Robert J.
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