Ramp device for practicing wheeled sports

Details Ramp device for practicing wheeled sports Ramp device for practicing wheeled sports

1980-01-25

1981-08-25

Marlo, George J.

Undertaking

14 695, A63G 3100

Patent

active

042855144

ABSTRACT:
A ramp on which bicycle riding, skateboarding, and rollerskating etc. may be practiced comprising two rectangular plates placed in juxtaposition to one another and interconnected by an elongated hinge capable of forming triangularly inclining surfaces having supporting side strips and flaps, or an apertured stick adjustably attachable to projections on the plates to vary the angles of the inclined surfaces for placement on the ground. Jointed knee braces are mounted between the triangular flaps and the underside of the rectangular plates.

REFERENCES:
patent: 1232437 (1917-07-01), Simpson
patent: 1855949 (1932-04-01), Dubroca
patent: 2141529 (1938-12-01), Gravelle
patent: 3663015 (1972-05-01), Bynder et al.
patent: 3831949 (1974-08-01), Henning
patent: 4121821 (1978-10-01), Graham

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