US PATENT SUBCLASS 92 / 51
MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR

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

51MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR {2}
52  DF  .~> Cylinder or sleeve forms working member
53  DF  .~> With additional cylinder relatively slidable exteriorly of outer cylinder

DEFINITION

Classification: 92/51

(under the class definition) Apparatus comprising a first cylinder or elongated tubular element, a member positioned in said first cylinder or tubular element in coaxial relationship therewith, and a second cylinder for receiving said first cylinder or tubular element therein, said member sealingly engaging said first cylinder or tubular element and being axially slidable relative thereto and said second cylinder sealingly engaging said first cylinder or tubular

element and being axially slidable relative thereto and to said member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

113, for a member slidable within a hollow piston rod, but being in nonsealing relationship therewith.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

115, for a fluid pressure operated relatively movable shaft assembly. 91, Motors: Expansible Chamber Type,

169, for an expansible chamber type motor in which the chamber is formed of mutually relatively movable cylinder, sleeve and piston.