.~ Cylinder and piston have relative reciprocation on fixed axis {3}
216 A
.~.~ Moving cylinder having follow-up
Unofficial Alpha Subclasses: R A B
DEFINITION
Classification: 91/216
(under subclass 196) Apparatus in which the cylinder has a piston therein, the cylinder having absolute movement back and forth in a fixed straight line.
(1) Note. This definition does not include motors in which
the relative movement between the piston and cylinder includes any motion other than rectilinear reciprocation unless the additional relative movement is merely for the purpose of valving.
SEE OR SEARCH THIS CLASS, SUBCLASS:
167+, for expansible chamber motors having separately controlled plural chambers extensible as a unit wherein one of the chambers may be formed by a moving cylinder.
