Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent
1989-11-28
1990-08-14
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Independent rung or step
182150, 182206, 280165, B60R 300, E06C 524
Patent
active
049479610
ABSTRACT:
A portable step apparatus for removable connection to the wheel or bumper of a vehicle to provide a stable platform for a person while working in the engine compartment thereof. The step apparatus comprises a support frame assembly which is securely attached to the exterior surface of the wheel or bumper by an attaching apparatus. A step assembly is adjustably attached to the frame assembly so that the user can adjust the step the desired height. Stabilizing straps may be attached to the bottom of the frame assembly and wrapped around the tire, or passed below the bumper and securely attached to the vehicle to prevent the bottom of the frame assembly from moving sideways or from being pushed away from the vehicle due to the forces generated on the step caused by a person moving around thereon or leaning into the engine compartment of the vehicle. The height of the frame attachment to the vehicle bumper is adjustable as is also the height of the step on the frame assembly. Further, the attachment assembly which holds the frame to the vehicle wheel can be adjusted to fit any common wheel size.
REFERENCES:
patent: 957324 (1910-05-01), Gall
patent: 2378678 (1945-06-01), Anderson
patent: 2679436 (1954-05-01), Viebrock
patent: 2848150 (1958-08-01), Tans
patent: 2973052 (1961-02-01), Miller
patent: 3011587 (1961-12-01), Mallog
patent: 3078952 (1963-02-01), Kelling
patent: 3865431 (1975-02-01), Zakhi
patent: 4495883 (1985-01-01), Hoy
patent: 4605098 (1986-08-01), Leuty
patent: 4782916 (1988-11-01), Hays
patent: 4800987 (1989-01-01), Liles
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