US PATENT SUBCLASS 92 / 185
.~.~.~.~ Passages communicate with common packing receiving recess

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

Internet Version by PATENTEC © 1999      Terms of Use


92 /   HD   EXPANSIBLE CHAMBER DEVICES

172  DF  PISTON {19}
181 R  DF  .~ With fluid passage in piston face {2}
182  DF  .~.~ Passage communicates with packing receiving recess {2}
184  DF  .~.~.~ Passage in opposed piston faces {1}
185.~.~.~.~ Passages communicate with common packing receiving recess

DEFINITION

Classification: 92/185

(under subclass 184) Apparatus in which the ports or passages in the opposed end faces communicate with the same cavity.