Land vehicles – Runner vehicle – Toboggan
Patent
1975-02-21
1976-09-28
Song, Robert R.
Land vehicles
Runner vehicle
Toboggan
280 20, B62B 1500
Patent
active
039827488
ABSTRACT:
A foldable toboggan, preferably formed of four rigid sections hinged together, in which the hinges are specially designed so as to provide spaces between the sections when folded for example to accommodate transverse reinforcements of the sections, and also preferably to accommodate a cushion which can remain on the sections when the toboggan is folded. The hinges are duplex type hinges having a central plate with its forward and rearward edges each hinged to a hinge plate secured to the respective section, the hinge plates being movable through at least 90.degree. relative to the central plate so that the sections can be folded into parallel side-by-side relationship. Where four sections are used, two of the hinges will be such as to allow the sections connected thereby to be folded with the tops facing each other, and the central plate of the hinge means provides sufficient space both for the transverse reinforcement of sections and for the cushion. The third hinge means, which is between the previously mentioned two hinges, allows for the folding of the two sections which it connects with the bases close to each other. Means are provided which prevent the forward edge of the base of a rearward section coming below the plane of the base of the next forward section, so that this does not plow into the snow, and the hinge means also provides a substantially smooth undersurface joining the bases of the adjacent sections.
REFERENCES:
patent: 2469765 (1949-05-01), Fish
patent: 3799566 (1974-03-01), Thompson
Hooper Burrell Francis
Hooper Ronald Francis
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