Retractable, swing down step assembly

Land vehicles – Wheeled – Attachment

Patent

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Details

280163, 182 91, 182127, 192129R, B60R 300

Patent

active

058427090

ABSTRACT:
A retractable step assembly (10) includes a step (12) pinned to the lower ends of a pair of swing arms (14, 16) depending downwardly from a bracket (30) for mounting the step assembly to the underside of a vehicle. An electric motor (20) powers the upper end of a swing arm (14) to rotate the two swing arms between retracted and extended positions. A clutch assembly (24) is interposed between the electric motor and the swing arm (14) to allow the motor to continue to operate to the end of its cycle if the step or swing arm become obstructed. A lock assembly (170) is provided to lock the step in retracted position, with the lock being automatically disengaged when the step assembly is actuated to extend the step from retracted position.

REFERENCES:
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patent: 4317511 (1982-03-01), Asai
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patent: 5085450 (1992-02-01), DeHart, Sr.
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patent: 5358268 (1994-10-01), Hawkins
patent: 5375864 (1994-12-01), McDaniel
patent: 5498012 (1996-03-01), McDaniel et al.
patent: 5538269 (1996-07-01), McDaniel et al.
patent: 5697626 (1997-12-01), McDaniel et al.

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