Reciprocal chuck for paving breaker

Details Reciprocal chuck for paving breaker Reciprocal chuck for paving breaker

1994-04-28

1995-07-11

Smith, Scott A.

Tool driving or impacting

Impacting devices

With impact cushioning means

173128, 279 191, 279 196, B23B 4516

Patent

active

054312353

ABSTRACT:
A handheld paving breaker includes a reciprocal chuck in a front head and an elastic spring for biasing the chuck toward the fronthead. The chuck can move longitudinally, but is restrained from rotation in the fronthead. A moil mounted in the chuck is biased against the work surface by the chuck, to provide better control of the moil, during start-up and operation. Wear pads between the spring and members against which the spring is seated improve spring life.

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