Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1981-08-12
1984-06-12
Sheridan, Robert G.
Material or article handling
Self-loading or unloading vehicles
Conveyor
414533, B60F 310
Patent
active
044538812
ABSTRACT:
A roller assembly for a boat trailer is provided which does not call for careful alignment of the boat with respect to the trailer. The assembly is inclusive of a frame and, on the frame, a roller, a mounting member and a coupling member. The mounting and coupling members are such that a limited rocking movement of the assembly is permitted, this movement coming into play in response to an offset load bearing force.
REFERENCES:
patent: 3021969 (1962-02-01), Peake et al.
patent: 3539066 (1970-11-01), Stevenson
patent: 3603465 (1971-09-01), King
patent: 3608754 (1971-09-01), Park
patent: 3680676 (1972-08-01), Smith
patent: 3756439 (1973-09-01), Johnson
patent: 3785677 (1972-01-01), Calkins
patent: 4099279 (1978-07-01), Park
patent: 4278388 (1981-07-01), Johnson
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