Pneumatic hammer

Details Pneumatic hammer Pneumatic hammer

1982-05-19

1984-05-15

Meister, James M.

Tool driving or impacting

Drive controlled by relative axial movement of tool

Drive motor controlled

91401, 91325, B23Q 500

Patent

active

044482620

ABSTRACT:
A starting arrangement for a reciprocating piston pneumatic hammer provides a passageway in the piston which couples a pneumatic piston subchamber to an exit port to exhaust pressurized pneumatic fluid from the subchamber to prevent the piston from centering.

REFERENCES:
patent: 853508 (1907-05-01), Frederick
patent: 4240326 (1981-12-01), Carle
patent: 4367672 (1983-01-01), Elser

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