mechanical stepping motor

mechanical stepping motor

[mi′kan·ə·kəl ′step·iŋ ‚mōd·ər]
(electricity)
A device in which a voltage pulse through a solenoid coil causes reciprocating motion by a solenoid plunger, and this is transformed into rotary motion through a definite angle by ratchet-and-pawl mechanisms or other mechanical linkages.
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