| 摘要 |
Fluid pressure responsive mechanism in a fluid pressure device including first and second internal fluid chamber housing means and fluid pressure operating means, wherein said fluid pressure operating means include first and second pressure containing means mountable for relative movement. Said first fluid containing means surrounds said second containing means and defines therewith operating chamber means and includes at least an open pocket having a major closed side and a minor open side in communication with said operating chamber means. Said second containing means has at least a contractable portion. Said open pocket has fluid pressure responsive means mounted therein with a minor portion exposed through said minor open said of said pocket for contact with said contractable portion. Said pocket is pressurized by fluid from said first and second fluid chamber housing means through internal wall conduction means extending internally from said fluid chamber housing means and leading internally to said pocket. When the pocket is pressurized, the exposed minor portion of said fluid pressure responsive means tends to seek contact with said contractable portion.
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