Fire escape – ladder – or scaffold – Wall- or floor-attached – Wall-mounted platform – with ladder
Patent
1975-09-17
1976-07-06
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Wall-mounted platform, with ladder
182 90, 280166, B60R 300
Patent
active
039676951
ABSTRACT:
A yieldable vehicle step is provided having a rigid foot support member pendantly supported from the side of a vehicle frame by a pair of relatively strong, but deflectable legs. Each leg is constructed from a chain and an outer deformable stiffener member circumposed about such chain. The outer member affords sufficient lateral rigidity or stiffness to the legs so as to minimize undue swinging movement of the step when in use, but which automatically returns to its suspended position whenever deflected by contact with an obstruction during movement of the vehicle.
REFERENCES:
patent: 2397953 (1946-04-01), Ellis
patent: 3083785 (1963-04-01), Hyman
Caterpillar Tractor Co.
Machado Reinaldo P.
Pence Oscar G.
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