| 摘要 |
<p>A device for catching and fixing a reciprocating body, which is provided with: pawl means (6) having pawls (22) for catching a member disposed on the reciprocating body so as to be caught; a sleeve (25) for controlling the opening/closing of said pawls according to the relative position thereof with respect to said pawl means; locking device (5) for locking relative movement between said sleeve and pawl means in a position in which said sleeve closes said pawls; and locking releasing means (14, 17, 18) for driving locking means (44) in the direction of separating a locking means from the inner wall of the casing (9) by forcing pressure oil to act on said inner wall of the casing (9).</p> |
