Single spring fluid cylinder with motion buffer

Details Single spring fluid cylinder with motion buffer Single spring fluid cylinder with motion buffer

1985-03-25

1986-02-11

Maslousky, Paul E.

Expansible chamber devices

With means to control flow of non-working arresting fluid...

Flow control means positioned between chambers having a...

92 12, 92 84, F15B 1522

Patent

active

045692742

ABSTRACT:
An improved double-acting fluid cylinder with primary and secondary chambers of tandem construction, wherein the primary chamber is utilized to provide ram motion in a first direction and wherein the tandemly arranged secondary chamber is provided with a single biasing spring means to resiliently bias the secondary piston and to buffer and control the rate of motion induced in the ram, and also to drive the ram in a direction opposite the stroke of the first direction and at a time subsequent to the stroke so as to temper the ultimate amplitude or extent of motion induced in the ram in response to forces applied within the primary chamber.

REFERENCES:
patent: 1706812 (1929-03-01), Pfau
patent: 1740818 (1929-12-01), Killingsworth
patent: 2338974 (1944-01-01), Schmidt
patent: 3176801 (1965-04-01), Huff
patent: 3532106 (1970-10-01), Greune et al.
patent: 4481868 (1984-11-01), Stump

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