Gripping tool adapted for use with device for driving rod-shaped

Details Gripping tool adapted for use with device for driving rod-shaped Gripping tool adapted for use with device for driving rod-shaped

1983-02-24

1984-12-11

Meister, James M.

Tool driving or impacting

Hammer or tool shaft reciprocated by gripping means which...

With fixed means cyclically contacted by grip structure

173148, 173 53, E21B 100

Patent

active

044872739

ABSTRACT:
A distinguishing feature of the present invention comprising a shell with side ports and an axial taper through cavity whose generatrix is inclined to the shell center line at an angle of less than the self-wedging angle, spring-biased gripping jaws accommodated in that cavity, levers installed in the shell ports and interacting by their inner ends with the gripping jaws consists in that the gripping tool is equipped with an abutment sleeve having an inside annular recess and installed on the shell external surface and a rubber shock absorber disposed between the recess upper surface and the outer ends of the levers.

REFERENCES:
patent: 330489 (1885-11-01), Hussey

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