| 摘要 |
In a propulsion mechanism with a housing with devices for releasable attachment to a floating toy, comprising an electric motor and a propeller which can be driven by the electric motor, in order to achieve simpler handling and increase operational reliability, provision is made for the connecting device for the housing parts (5, 6) forming the housing to be designed as an axial threaded connection (inner thread 12, outer thread 15) and for the two contacts of the housing part (6), accommodating a battery (26) or an accumulator, to be pressed axially against corresponding counter-contacts in the part of the housing on the motor side when the threaded connection is tightened. 7 <IMAGE>
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