Demountable ramp structure for dump trucks and similar vehicles

Details Demountable ramp structure for dump trucks and similar vehicles Demountable ramp structure for dump trucks and similar vehicles

1976-07-23

1978-05-09

Hoffman, Drayton E.

14 711, B65G 6702

Patent

active

040882357

ABSTRACT:
A ramp wherein a rigid framework supports a first pair of parallel ramp members of equal length to be mounted from the rear of a truck bed downwardly at an angle, clearing the ground. A second pair of ramp members is hinged to the first pair of ramp members and is folded over first pair when the ramp structure is not in use but is brought into substantially parallel alignment therewith when said ramp is used for loading purposes.

REFERENCES:
patent: 1103155 (1914-07-01), Niswanger
patent: 1673740 (1928-06-01), Eide
patent: 3153489 (1964-10-01), Leavengood et al.
patent: 3255902 (1966-06-01), Welton
patent: 3296639 (1967-01-01), Pawlus
patent: 3352440 (1967-11-01), Wilson
patent: 3511393 (1970-05-01), Abromavage et al.
patent: 3517791 (1970-06-01), Miles
patent: 3735440 (1973-05-01), Hetmanski
patent: 3834565 (1974-09-01), Goodman, Jr. et al.

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