Adjustable skateboard ramp

Details Adjustable skateboard ramp Adjustable skateboard ramp

1978-03-27

1978-12-19

Byers, Jr., Nile C.

Bridges

Gangway, ramp, or dock leveler

211182, 404 1, 182165, 52282, 401521, 248441R, E01D 100

Patent

active

041299167

ABSTRACT:
An adjustable ramp includes a ramp member supported in an adjustable suspensory frame. Adjustment of the suspensory frame changes the angle of incidence of the ramp member to the supporting surface on which the ramp is located. A resilient ramp member is provided in one embodiment which is maintained in curvilinear, flexed attitude on the supporting frame by the moveable connections of said ramp member to said suspensory frame.

REFERENCES:
patent: 255215 (1882-03-01), Tuttle
patent: 398027 (1889-02-01), Casler
patent: 1095045 (1914-04-01), Timberlake
patent: 2466149 (1949-04-01), Burg
patent: 2607937 (1952-08-01), Stone
patent: 2969607 (1961-01-01), Grumbacher
patent: 3330524 (1967-07-01), Foley
patent: 3341028 (1967-09-01), Nichols
patent: 3861695 (1975-01-01), Shourek

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