| 摘要 |
A device for releasably mounting a working implement on a working arm, the device comprising a housing secured to the working arm, a latch member linearly movable from a latched position in which the latch member engages with a receiving means of the implement to retain the implement relative to the device and hence to the working arm and an unlatched position in which the latch member is disengaged from the receiving means, the latch member being slidable within the housing by means of an actuating means which operates in a direction generally parallel to a direction along which the latch member moves between itslatched and unlatched positions. The actuating means comprises a piston and cylinder arrangement wherein the cylinder is provided by a bore in the latch member and the piston comprises a pin or rod in sealing engagement with the cylinder, relative movement between the piston and cylinder being achieved when fluid is introduced into the cylinder.
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