| 摘要 |
When locking a piston (12), which is in threaded engagement with a piston rod (11), by means of a locking pin (31) provided with a longitudinal hole (311) and driven into a transverse hole (122) opening tangentially into an annular groove (112) in the piston rod shoulder (111) and situated in an offset shoulder (121) of the piston (12), a wire (32) with an excess length (311, 311') on both sides, which is to be bent against the piston (12) is additionally drawn in. The multi-part locking device (31, 32) helps to ensure that even non-specialists do not overlook the installation of the locking device. <IMAGE>
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