.~ Axially movable end wall or end wall portion {4}
134
.~.~ Adjustable end wall
DEFINITION
Classification: 418/134
(under subclass 131) Apparatus in which means is provided to selectively move the end plate into sealing engagement with the adjacent working member side surface.
(1) Note. An end plate or wall may consist of a ring-like plate member having a surface forming a complete wall of the working chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
140+, for ring-like members for providing a seal means between the working member and cylinder and which may incidentally form a surface portion of the working chamber.
