US PATENT SUBCLASS 92 / 23
.~ Means includes element interfitting between working member and fixed part

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

15  DF  WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER {8}
23.~ Means includes element interfitting between working member and fixed part {2}
24  DF  .~.~> Element actuated or retained in operative position by relatively movable fluid responsive member {2}
27  DF  .~.~> Fluid actuated (28)

DEFINITION

Classification: 92/23

(under subclass 15) Apparatus in which said movement preventing means includes an element providing intermeshing engagement between the working member and a fixed member.

(1) Note. A member projected into a cylinder in a direction transverse to the direction of movement of the piston to overlie an end face of the piston to prevent movement thereof past said member is considered as intermeshing with the piston and is included in this subclass.