发明申请
US20140000908A1 ACTUATING DEVICE AND METHOD 审中-公开
执行装置和方法

ACTUATING DEVICE AND METHOD
摘要:
An actuating method includes applying an input pressure to a first side of a tool operator and to a second side of the tool operator and moving the tool operator from a first position to a second position in response to depleting the input pressure applied to the second side. A state of a tool element can be changed in response to moving the tool operator from the first position to the second position. The input pressure may be depleted from the second side of the tool operator by transferring hydraulic fluid to a confined diameter container disposed in an annular region of the actuating device or to the first side of the tool operator.
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