US PATENT SUBCLASS 417 / 398
.~.~ Rectilinearly reciprocating cylinder and piston-type motor

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

Internet Version by PATENTEC © 1999      Terms of Use


417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
398.~.~ Rectilinearly reciprocating cylinder and piston-type motor {1}
399  DF  .~.~.~> Rectilinearly reciprocating cylinder and piston-type pump {2}

DEFINITION

Classification: 417/398

(under subclass 375) Apparatus in which the fluid motor is of the type comprising a cylinder and a piston, one of which is the movable motor working member and cooperates with the other to form an expansible motive fluid working chamber, said working member partaking of an alternate to-and-fro motion in a straight line.