US PATENT SUBCLASS 123 / 56.1
.~ Having rotary output shaft parallel to cylinders

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

52.1  DF  MULTIPLE CYLINDER {7}
56.1.~ Having rotary output shaft parallel to cylinders {2}
56.2  DF  .~.~> Cam on rotary output shaft {4}
57.1  DF  .~.~> Shaft rotates through piston

DEFINITION

Classification: 123/56.1

Having rotary output shaft parallel to cylinders:

(under subclass 52.1) Multiple cylinder engine including an elongated rotary output shaft intended to turn about its axis, in which the cylinder axes are parallel with the rotary output shaft axis.

(1) Note. In the engine of this subclass, the cylinder axes are usually at equal radial distances from the axis of the main shaft and are arranged around said shaft at equal angular intervals.