Brakes – Vehicle – On ground
Patent
1977-09-14
1979-02-20
Reger, Duane A.
Brakes
Vehicle
On ground
B60T 300
Patent
active
041402065
ABSTRACT:
A collapsible wheel chock constructed entirely of plastics material is comprised of a wheel engaging element and a ground engaging element detachably secured to each other for pivotal movement relative to each other. A support element is detachably secured to the opposite end of the wheel engaging element for pivotal movement relative thereto with the opposite end detachably engaged with the base member for slidable movement relative thereto to allow the wheel chock to be erected and collapsed.
REFERENCES:
patent: 1768265 (1930-06-01), Nicholls
patent: 2316178 (1943-04-01), Morgensen
patent: 3353633 (1967-11-01), Leonard et al.
patent: 3664466 (1972-05-01), Rotheiser
patent: 3845845 (1974-11-01), Geisthoff
Tsuzuki Chikashi
Yamazaki Shinichiro
Aisin Seiki Kabushiki Kaisha
Reger Duane A.
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