Hammer

Details Hammer Hammer

1979-05-29

1985-11-05

Staab, Lawrence J.

Tool driving or impacting

Impacting devices

Impact transmitting anvil

B25D 900

Patent

active

045507856

ABSTRACT:
A hydraulically operable hammer and more particularly a hydraulically operable hammer having improved cycling of a hammer piston reciprocable therewithin.

REFERENCES:
patent: 1424156 (1922-08-01), Clark
patent: 3004523 (1961-10-01), Christensen
patent: 3322038 (1967-05-01), Dobson
patent: 3322210 (1967-05-01), Arndt
patent: 3371726 (1968-03-01), Bouyoucos
patent: 3620312 (1971-11-01), Krasnoff
patent: 3741072 (1973-06-01), Romell et al.
patent: 3887019 (1975-06-01), Reynolds et al.
patent: 3903972 (1975-09-01), Bouyoucos et al.
patent: 3916764 (1975-11-01), Crover
Ernst, Oil Hydraulic Power & Its Industrial Applications, p. 35, Jan. 1960.
Vennard, Elementary Fluid Mechanics, pp. 329-331, Oct. 1948.

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