US PATENT SUBCLASS 123 / 52.4
.~.~.~ Multiple crankshafts

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

52.1  DF  MULTIPLE CYLINDER {7}
52.2  DF  .~ Simultaneous compression, distinct pistons, restricted communication to a single combustion chamber {2}
52.3  DF  .~.~ Four-stroke cycle {1}
52.4.~.~.~ Multiple crankshafts

DEFINITION

Classification: 123/52.4

Multiple crankshafts:

(under subclass 52.3) Multiple cylinder engine including two output shafts, the first having at least one crank thereon which is drivingly connected to a first piston so as to convert the reciprocating motion of the piston into rotary

motion of the first output shaft, and the second output shaft having at least one crank thereon which is drivingly connected to a second piston so as to convert the reciprocating motion of that piston into rotary motion of the second output shaft.