Pneumatic impact imparting tool

Details Pneumatic impact imparting tool Pneumatic impact imparting tool

1987-08-17

1989-09-19

Yost, Frank T.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

173122, B23B 4516

Patent

active

048672505

ABSTRACT:
An improved pneumatic impact imparting tool includes a follower which is slidably accommodated in a recess formed on the inner end part of a rotor in a pneumatic motor. The follower is formed with a projection for moving a ball around a cam face as it is rotated together with the rotor. When the ball reaches the peak of the cam face, the follower is displaced in the axial direction and enters a recess formed on the inner end part of an anvil and collides therein against stoppers formed in the recess. Thus, rotational movement of the rotor is transmitted to the anvil in the form of intermittent turning movement of the latter.

REFERENCES:
patent: 2556163 (1951-06-01), Beeson et al.
patent: 3018674 (1962-01-01), Kohler
patent: 3174597 (1965-03-01), Schaedler et al.
patent: 3610344 (1971-10-01), Schoeps
patent: 4313505 (1982-02-01), Silvern
patent: 4585078 (1986-04-01), Alexandrov et al.

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