| 92 / | HD | EXPANSIBLE CHAMBER DEVICES |
| 15 | DF | WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER {8} |
| 23 | DF | .~ 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} |
| 26 | | .~.~.~ Resilient element |