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Stepping motor for sewing machines, has thrust bearing with both ends inserted into two guide holes, performing point contact with global position of rotary shaft, and elastic unit applying elastic force to bearing
Stepping motor for sewing machines, has thrust bearing with both ends inserted into two guide holes, performing point contact with global position of rotary shaft, and elastic unit applying elastic force to bearing
The motor has a thrust bearing (30) with both ends movably inserted two guide holes, and performing point contact with a global position (11) of a rotary shaft (10). An elastic unit arranged in the bearing for applying elastic force to it so that it elastically supports the global portion. A thrust guide (35) fixed in a housing, and having the guide hole perforated in a position corresponding to the other guide hole.
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