US PATENT SUBCLASS 92 / 10
.~ Work member position control

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

8  DF  WITH MEANS TO CONTROL FLOW OF NON-WORKING ARRESTING FLUID FOR WORKING MEMBER {3}
10.~ Work member position control {1}
11  DF  .~.~> With auxiliary adjustable throttle (12)

DEFINITION

Classification: 92/10

(under subclass 8) Apparatus in which the flow varying means is controlled in response to the working member attaining a certain position in the working chamber.