Brakes – Vehicle – On ground
Patent
1981-07-22
1983-12-20
Spar, Robert J.
Brakes
Vehicle
On ground
16268, B60T 300
Patent
active
044212100
ABSTRACT:
A wheel stop apparatus comprising a stopper plate, one end of which is pivotally attached to a bottom plate. The present improvement includes a prolonged shaft-like portion formed in a supporting plate having rises positioned on either side of said prolonged shaft-like portion so as to maintain and stabilize the stopper plate.
REFERENCES:
patent: 1617369 (1927-02-01), Blakely
patent: 1768265 (1930-06-01), Nicholls
patent: 1849964 (1932-03-01), Snyder
patent: 3647029 (1972-03-01), Hanley
patent: 4109763 (1978-08-01), Sugino
patent: 4140206 (1979-02-01), Yamazaki et al.
Diefendorf R. R.
Spar Robert J.
Sugino Press Co., Ltd.
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