US PATENT SUBCLASS 123 / 50 B
.~ Two-cycle


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

50 R  DF  RECIPROCATING CYLINDER {2}
50 B.~ Two-cycle

Unofficial Alpha Subclasses: R A B

DEFINITION

Classification: 123/50

Internal-combustion engines comprising a cylinder and a piston therein, the cylinder being capable or reciprocatory movement in a straight line relatively to the piston and the piston being either immovable or adapted for simultaneous movement in a direction opposite to the movement of the said movable cylinder whereby the gases resulting from the combustion of a combustible mixture within the cylinder as they expand act upon the movable cylinder and transmit power therethrough to the main driving-shaft of the engine or act upon the movable cylinder and the piston, when it also is movable, to transmit power through both said elements.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

117+, for an expansible chamber device having a moving cylinder.