| 摘要 |
<p>The fluid cylinder (10) has a piston (20) that is movable in a cylindrical tube (14). The volume (18) of the piston is divided into cylindrical spaces (21,23). A piston rod (26) is extended from the housing (12). A power port (A) is connected with cylindrical space (21). An aperture (38) is formed in the cylindrical tube and is connected with power port. The aperture is exposed and opened into cylindrical space (23) during basic stroke of piston and the aperture is covered or opened into cylindrical space (21) during power stroke of piston.</p> |
