US PATENT SUBCLASS 173 / 100
.~.~ Hammer head movement is oscillatory

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
100.~.~ Hammer head movement is oscillatory

DEFINITION

Classification: 173/100

(under subclass 94) Apparatus in which the hammer cyclically reverses direction of movement in the path generated about an axis.