Extendable vehicle step and step motor control system

Details Extendable vehicle step and step motor control system Extendable vehicle step and step motor control system

1976-07-19

1978-08-29

Schaefer, Robert K.

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

280166, 105444, 105447, 318445, 318447, 318484, H02P 308

Patent

active

041106733

ABSTRACT:
A step structure for mobile homes and the like. A base is secured to an underside of the vehicle and serves to pivotally mount a linkage which in turn carries a pair of step rails on which a step is slidably mounted. Extension and retraction of the step involves combined swinging travel of the step surface as well as travel in a lateral direction along the step rails to achieve a highly accessible step location well outward of the vehicle side. An electrical control system electronically limits motor operation to avoid motor burnout in the case of step obstruction.

REFERENCES:
patent: 2118557 (1938-05-01), Hamilton
patent: 3624473 (1971-11-01), Robbins
patent: 3833240 (1974-09-01), Weiler
patent: 3887217 (1975-06-01), Thomas

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