US PATENT SUBCLASS 173 / 109
.~.~ Rotated by hammer head or drive for hammer head

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

90  DF  IMPACTING DEVICES (E.G., HAMMERS) {19}
104  DF  .~ With means for rotating tool {2}
109.~.~ Rotated by hammer head or drive for hammer head {1}
110  DF  .~.~.~> Rotation is intermittent or oscillatory {1}

DEFINITION

Classification: 173/109

(under subclass 104) Apparatus in which means are provided to transmit movement of the hammer head or the means driving the hammer head to the tool for the purpose of moving the tool about an axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93+, for an impacting device having an anvil arranged to transmit torsional impact to a tool.