US PATENT SUBCLASS 92 / 56
.~ Plural cylinders

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

54  DF  ROTATING CYLINDER {2}
56.~ Plural cylinders {2}
57  DF  .~.~> Axes of cylinders parallel to axis of rotation
58  DF  .~.~> Axes of cylinders intersect axis of rotation at common point

DEFINITION

Classification: 92/56

(under subclass 54) Apparatus comprising two or more cylinders mounted for movement about said axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.1+, for plural cylinders arranged in parallel, radial, or conical relationship with a rotary transmission axis with means to adjust the working chamber displacement thereof.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

472+, for an expansible chamber type motor having three or more cylinders arranged in parallel, radial, or conical relationship with a rotary transmission axis. 417, Pumps,

269+, for an expansible chamber type pump having three or more cylinders arranged in parallel, radial, or conical relationship with a rotary transmission axis.