(under the class definition) Apparatus including means formed on an end portion of a cylinder, and being engageable with the piston or a member moved by the piston, said means being effective to (1) constrain said piston or member to a predetermined path of movement or (2) provide a sealing means between the inside of the cylinder and the outside thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
88, for a self sealing opening in a longitudinal wall of a working chamber for forming a guide for a working member portion.
SEE OR SEARCH CLASS
384, Bearings,
7+, for linear bearings. Class 384, Bearings takes a nominally claimed cylinder and end wall therein slidably engaging a rod to guide the same, however, where details of the piston are included in the claim, classification is in this class (92).
