Spring devices – Resilient shock or vibration absorber
Patent
1977-10-25
1979-04-24
Reger, Duane A.
Spring devices
Resilient shock or vibration absorber
89 43R, 188 1C, 267 22R, F16F 932, F16F 1902
Patent
active
041508190
ABSTRACT:
A recoil-counter-recoil energy absorber unit including an outer housing for guiding a recoiling mass, an hydraulic energy absorber unit mounted between a portion of the housing and the mass, a recoil spring mounted between the energy absorber unit and the housing, a second housing mounting the hydraulic energy absorber unit and for permitting it to move unrestrictedly in a recoil direction but resisting movement thereof in a counter-recoil direction, whereby the second housing will be stretched after the hydraulic energy absorber moves beyond a predetermined counter-recoil position to thereby absorb counter-recoil energy as a result of being stretched. Included in the hydraulic energy absorber is an improved bottoming stop and combined bottoming energy absorber, guidance member, and accumulator retainer which consists of an annular channel member having an inner portion slidably mounted on the piston rod of the hydraulic energy absorber and has a second portion slidably supporting the cylinder of the hydraulic energy absorber, with a movable bottom closure mounted on the cylinder for compressing the annular channel member when the hydraulic cylinder bottoms against a fixed stop attached to the outer housing.
REFERENCES:
patent: 1273059 (1918-07-01), Hild
patent: 2691518 (1954-10-01), Smith
patent: 3228492 (1966-01-01), Blumrich
patent: 3298465 (1967-01-01), Stastny
patent: 3418880 (1968-12-01), Herlach
Gastel Joseph P.
Reger Duane A.
Tayco Developments, Inc.
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