Apparatus for absorbing oil pressure in an impact type tool

Details Apparatus for absorbing oil pressure in an impact type tool Apparatus for absorbing oil pressure in an impact type tool

1977-12-05

1979-11-27

Myhre, Charles J.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

173 935, F16D 380

Patent

active

041754085

ABSTRACT:
An apparatus for absorbing oil pressure in an impact tool with an eccentric oil chamber in a rotatable cylinder connected to a drive with a rotor and spindle. Movement of the rotor relative to the oil chamber urges oil into chambers outside of the rotor. A space chamber formed inside of the cylinder communicating with the oil chamber is filled with a soft elastic member such as foam rubber.

REFERENCES:
patent: 3116617 (1964-01-01), Skoog
patent: 3210963 (1965-10-01), Burnett
patent: 3214940 (1965-11-01), Kramer
patent: 3214941 (1965-11-01), Shulters

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