Extensible step assembly for vehicles

Details Extensible step assembly for vehicles Extensible step assembly for vehicles

1985-09-06

1986-11-18

Love, John J.

Land vehicles

Wheeled

Attachment

182 96, 182127, B60R 302

Patent

active

046231609

ABSTRACT:
A step assembly for vehicles has a support frame mounted under the floor of a vehicle, a pair of side linkage assemblies connect upper and lower steps to the frame to support them for movement between retracted and extended positions. An over-center lock holds the side linkage assemblies in the extended position. A reciprocating actuator coupled to a rotary drive shaft which upon rotation releases the lock and moves the linkage between the two positions.

REFERENCES:
patent: 2575615 (1951-11-01), Crump
patent: 2682671 (1954-07-01), Faure
patent: 3807757 (1974-04-01), Carpenter et al.
patent: 4020920 (1977-05-01), Abbott
patent: 4073502 (1978-02-01), Frank et al.
patent: 4108457 (1978-08-01), Garrett
patent: 4116457 (1978-09-01), Nerem et al.
patent: 4185849 (1980-01-01), Jaeger

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