Mechanism for moving a heavy object

Details Mechanism for moving a heavy object Mechanism for moving a heavy object

1991-07-10

1993-08-03

Camby, Richard M.

Land vehicles

Wheeled

Extensible

280641, 280 4317, 280 4724, B62B 112

Patent

active

052322327

ABSTRACT:
A heavy object, such as a portable toilet, is supported on a base. At least one wheel is mounted on the base for vertical movement between an upper position in which the wheel is supported above the lower surface of the base and a lower position in which at least a portion of the periphery of the wheel is below the lower surface of the base. The wheel is releasably held in one or the other of those positions. A handle is movably mounted on the object so that the object can be manually swung to permit the wheel to move between those positions.

REFERENCES:
patent: 1633473 (1927-06-01), Bush
patent: 1921420 (1933-08-01), Macoure
patent: 2878029 (1959-03-01), Dahm et al.
patent: 4846493 (1989-07-01), Mason

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