| 摘要 |
In air pumps belonging to the equipment of bicycles, light motorcycles, mopeds and the like, there is the problem of protecting the air pump on the vehicle against theft. For this, it is proposed to fix the air pump, clamped to the vehicle frame between two abutments, in its clamped position by means of a mortice lock inserted into mutually aligned passages (133, 113, 123) in the grip piece (13), in the pump cylinder (11) and in the piston rod (12). <IMAGE>
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