Electrically controlled shift actuator

Details Electrically controlled shift actuator Electrically controlled shift actuator

1991-08-08

1993-01-19

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Limit or end-stop control

318266, 318286, 318468, 318561, 74473R, B60K 2002

Patent

active

051809591

ABSTRACT:
An electrically controlled shift actuator (2) of the type having a rotatable worm gear wheel (22) driven by a motor (M) to a predetermined one of at least two rotational positions, the wheel having an eccentric drive pin (26) moving a reaction member (14) to preload a spring-charged (10) shift member engagement means comprising a slide (6) and ball (8) directly engaged with a shift member (16) to move a shift member to a predetermined one of at least two positions. The control includes a selector switch (36), a pair of position sensing switches (28,30), and an electrically controlled switch (62) for alternatively connecting the motor (M) to a power supply (38) or to a dynamic braking circuit (66-68), but never to both simultaneously.

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