US PATENT SUBCLASS 173 / 95
.~.~ Hammer head reciprocates along fixed transverse axis

Current as of: June, 1999
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173 /   HD   TOOL DRIVING OR IMPACTING

90  DF  IMPACTING DEVICES (E.G., HAMMERS) {19}
94  DF  .~ Hammer head moves in arcuate path or rotates {3}
95.~.~ Hammer head reciprocates along fixed transverse axis {2}
96  DF  .~.~.~> Arcuate or rotary movement selectively releasable or variable independent of reciprocation
97  DF  .~.~.~> Arcuate or rotary movement transmitted to tool

DEFINITION

Classification: 173/95

(under subclass 94) Apparatus in which the hammer reciprocates on a path coincident with or parallel to the axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93.6, for a hammer having an anvil arranged to transmit torsional impact to a tool having rotary drive with torque responsive impact and in which the hammer reciprocates along the rotary axis.