Accumulator

Details Accumulator Accumulator

1988-05-20

1989-10-24

Butler, Douglas C.

Spring devices

Coil

Including end thrust member

60413, 92135, 138 31, 267179, F15B 1053, F16L 5504

Patent

active

048756652

ABSTRACT:
In an accumulator including a piston which slides freely in a cylinder and a spring which presses the piston, a hole of the piston end where, at the bottom, a large diameter section is made, and small diameter section whose diameter is smaller than that of the large diameter section is located at another side of the large diameter section is located at another side of the large diameter section against the bottom of the hole is provided, and the spring assembly having the retaining member and the coil spring whose one end is fixed to the retaining member and another end is free is provided, and the snap ring is provided to hold the retaining member between the bottom of the hole and the snap ring which is installed in the large diameter section with radial expansion force, so that the spring assembly is installed in the hole of the piston.

REFERENCES:
patent: 3985063 (1976-10-01), Lemon
patent: 4014213 (1977-03-01), Parquef
patent: 4138846 (1979-02-01), Sakakibara
patent: 4166655 (1979-09-01), Spero
patent: 4428258 (1984-01-01), Kubo et al.
patent: 4648423 (1987-03-01), Henken
patent: 4651782 (1987-03-01), Fulmer
patent: 4685491 (1987-08-01), Fulmer et al.
patent: 4769990 (1988-09-01), Bach et al.
patent: 4777983 (1988-10-01), Steveley

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