Slipping torque changing apparatus for impact tool

Details Slipping torque changing apparatus for impact tool Slipping torque changing apparatus for impact tool

1993-02-11

1994-09-13

Smith, Scott A.

Tool driving or impacting

Automatic control of power operated means

Drive means responsive to torque or speed condition

173109, 192 56R, B23B 4516

Patent

active

053460235

ABSTRACT:
A slipping torque changing mechanism for an impact tool includes a driving source for generating a rotational motion. A motion converting mechanism is connected with this driving source for converting the rotational motion of the driving source into a reciprocating motion. An impact mechanism is connected with this motion converting mechanism for transmitting the reciprocating motion to a tool end. A rotational motion transmitting mechanism is disposed separately from the motion converting mechanism for transmitting the rotational motion of the driving source to the tool end. A plurality of clutches, having different slipping torques, are disposed at different portions on the rotational motion transmitting mechanism.

REFERENCES:
patent: 2884103 (1959-04-01), Connell
patent: 3205985 (1965-09-01), Pearl
patent: 3616883 (1971-11-01), Sindelar
patent: 4386689 (1983-06-01), Kato
patent: 4610340 (1986-09-01), Helmes et al.
patent: 4732217 (1988-03-01), Bleicher et al.
patent: 4883130 (1989-11-01), Dixon
patent: 4986369 (1991-01-01), Fushiya et al.

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