US PATENT SUBCLASS 188 / 305
.~.~.~ Piston reciprocating along axis of oscillation

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
297  DF  .~ Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) {7}
302  DF  .~.~ Rectilinear reciprocation of piston caused by arcuately oscillating frame, shaft, arm, axle, etc. {3}
305.~.~.~ Piston reciprocating along axis of oscillation

DEFINITION

Classification: 188/305

(under subclass 302) Device provided with means for converting to-and-fro arcuate motion of said arm about a pivot line into a to-and-fro straight-line motion of a thrust member lengthwise of said pivot line.

(1) Note. Examples of motion-converting means include screw-and-nut means inclined cam or wedge means.