Spring devices – Compound – Rubber
Patent
1974-05-20
1976-08-17
Halvosa, George E. A.
Spring devices
Compound
Rubber
188 1B, 248 24, 248358R, 267 63A, F16F 308
Patent
active
039750078
ABSTRACT:
A noise-preventing shock absorber adapted to suppress noise and absorb shock created by moving objects such as moving machine parts engaging mating surfaces and decelerating to zero velocity within a short stroke or travel distance. The shock absorber includes a unitary resilient member which is annularly shaped in plan view and provided with an axial opening, with the peripheral surface of the axial opening comprising an inner force-transmitting surface that is formed with a wavelike configuration in vertical cross section. An upper force-receiving shaft is disposed in the resilient member axial opening and has an exterior peripheral surface which is provided with a wavelike configuration in vertical cross section that mates with and is bonded to the wavelike inner force-transmitting surface of the resilient member. The resilient member is provided with a peripheral outer force-transmitting surface that is concentric with and axially offset downwardly from said inner force-transmitting surface, and which is provided with a wavelike configuration in vertical cross section. A lower force-receiving tube having an interior surface provided with a wavelike configuration in vertical cross section mates with and is bonded to the wavelike outer force-transmitting surface of the resilient member. The shock absorber member can be used in a stacked arrangement to provide shock-absorbing and noise-suppressing units of various capacities.
REFERENCES:
patent: 1930067 (1933-10-01), Tibbetts
patent: 2004712 (1935-06-01), Thiry
patent: 2074340 (1937-03-01), Piron
patent: 2650721 (1953-09-01), Bourdon
patent: 2942872 (1960-06-01), Muller
Ace Controls, Inc.
Halvosa George E. A.
Mentag Robert G.
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