US PATENT SUBCLASS 91 / 212
.~.~.~ Ported end bearing

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

196  DF  MOVING CYLINDER {4}
210  DF  .~ Oscillating cylinder {2}
211  DF  .~.~ Cooperating valve ports in cylinder and fixed member {3}
212.~.~.~ Ported end bearing

DEFINITION

Classification: 91/212

(under subclass 211) Apparatus in which the cylinder oscillates about an axis transverse to the longitudinal axis of the cylinder the ported stationary member being located at one end of the cylinder and forming means on which the

cylinder rocks or slides.