Rotary impact tool

Details Rotary impact tool Rotary impact tool

1976-08-23

1977-12-20

Staab, Lawrence J.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

B01D 2328

Patent

active

040636011

ABSTRACT:
A rotary impact tool having a fluid operated motor with a hammer slidably mounted with respect to the rotor and rotatable therwith, an anvil normally spaced axially from the hammer, force transmitting means for transmitting rotation of the rotor to the anvil and for moving the hammer toward and away from the anvil for rotary impact therewith without imposing axial forces on the rotor, except for inconsequential frictional forces between splines.

REFERENCES:
patent: 2637426 (1953-05-01), Van Sittert
patent: 2825436 (1958-03-01), Amtsberg
patent: 2881884 (1959-04-01), Amtsberg
patent: 3053360 (1962-09-01), Madsen
patent: 3106274 (1963-10-01), Madsen
patent: 3156334 (1964-11-01), Hoza
patent: 3174597 (1965-03-01), Schaedler et al.
patent: 3237703 (1966-03-01), Ramstrom
patent: 3323395 (1967-06-01), Burnett et al.
patent: 3414066 (1968-12-01), Wallace
patent: 3581831 (1971-06-01), Biek

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