Land vehicles – Wheeled – Attachment
Patent
1979-05-31
1980-11-04
Mitchell, David M.
Land vehicles
Wheeled
Attachment
105445, B60R 302
Patent
active
042315832
ABSTRACT:
A step for a vehicle pivotally supported by the chassis frame thereof and movable between extended operative and retracted inoperative positions, vacuum mechanism being used to retract the step and a spring moves the same to extended position. A latch releasably secures the step in the extended position and the vacuum mechanism initially unlatches the latch prior to the vacuum moving the step to retracted position.
REFERENCES:
patent: 2118557 (1938-05-01), Hamilton
patent: 3329443 (1967-07-01), Lowder et al.
patent: 3762742 (1973-10-01), Bucklen
patent: 4073502 (1978-02-01), Frank et al.
Just C. Hercus
Mitchell David M.
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