Impact tool

Details Impact tool Impact tool

1975-03-24

1977-03-15

Maslousky, Paul E.

Motors: expansible chamber type

Cyclically operable

Working member controlled motive fluid for distributor motor

91165, 91320, 91328, 91329, 92134, F01L 2504

Patent

active

040117952

ABSTRACT:
A hydraulic impact tool wherein hydraulic power is used to lift a ram against a bias to store energy and wherein the ram then is permitted to accelerate toward an impliment to which it imparts energy upon impact. A reciprocating cylindrical sleeve slidable about the ram is arranged to control the hydraulic fluid. The sleeve is initially carried in each direction by the ram and is shifted relative to the ram by hydraulic power.

REFERENCES:
patent: 53613 (1866-04-01), Henderson
patent: 518026 (1894-04-01), Drewett
patent: 3236441 (1966-02-01), Russell
patent: 3739863 (1973-06-01), Wohlwend
patent: 3774502 (1973-11-01), Arndt
patent: 3827507 (1974-08-01), Lance
patent: 3896889 (1975-07-01), Bouyoucos

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