| 摘要 |
The electric appts. includes the drive (14) which controls the oscillations of the circuit breaker and is acted on positively by the active part of the operating button (15). The elastic positioning pieces associated with the button are formed so that there is play (J) between the active part and the drive in the rest position. The positioning piece is supported on the drive and may be fixed to it or form a single block with it. It has two arms (38) which stem back-to-back from the piece and are hidden in the drive. The arms extend from either side of the pivotal axis (A), are flexible and are supported on the button when the latter is at rest.
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