| 摘要 |
The device has affair of handles each coupled to a tong, which are movable to clamp or release the target. A ratchet mechanism couples to a handle to re-vector the handle in order to reduce the operational footprint of the device to accommodate obstacles and operate successfully in confined and limited access spaces. Operation of the apparatus allows the action to be accomplished over a variable number of strokes, with the distance of each stroke, and thus the arc of the handles traversed, varying with each stroke, while still accomplishing the desired action.
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