Hammer

Details Hammer Hammer

1975-11-28

1977-03-22

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Cyclically operable reciprocating or oscillating motor or...

60413, 91418, 92134, F15B 102, F15B 1518

Patent

active

040129098

ABSTRACT:
A hammer and more particularly a fluid operable hammer wherein alternating impetus provided by pressurized liquid and gas means actuates a reciprocable hammer piston to generate repetitive impact loads.

REFERENCES:
patent: 361169 (1887-04-01), Lowrie
patent: 580154 (1897-04-01), Bullock
patent: 2548439 (1951-04-01), Moffett
patent: 2742929 (1956-04-01), Treseder
patent: 2807021 (1957-09-01), Chellis
patent: 2960072 (1960-11-01), Arnes
patent: 3411592 (1968-11-01), Montabert
patent: 3509723 (1970-05-01), Dorn
patent: 3531065 (1970-09-01), Brown
patent: 3734863 (1973-06-01), Wohlwend
patent: 3892279 (1975-07-01), Amtsberg

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