High load bearing for bridges and similar structures

Details High load bearing for bridges and similar structures High load bearing for bridges and similar structures

1978-06-26

1980-02-12

Byers, Jr., Nile C.

Bridges

Truss

Arrangement

248580, 308 3R, 52167, 248678, E01D 1906

Patent

active

041875737

ABSTRACT:
A high load bearing for bridges and other structures comprising upper and lower plates and a load bearing elastomer pad between them. The pad has a concave periphery, and the bearing is provided with means preventing shearing between the upper and lower plates but permitting rotational movement between them. Means are provided which mechanically abut the elastomer pad to limit or prevent lateral movement of the upper and lower surfaces of the elastomer pad without preventing bulging of its periphery.

REFERENCES:
patent: 1572574 (1926-02-01), Stromborg
patent: 3243236 (1966-03-01), Graham
patent: 3349418 (1967-10-01), Hein
patent: 3397856 (1968-08-01), Sullivan
patent: 3544176 (1970-12-01), Slater
patent: 3782788 (1974-01-01), Koester
patent: 3806975 (1974-04-01), Fyfe
patent: 3908054 (1975-09-01), Ito
patent: 3921240 (1975-11-01), Fyfe
patent: 3924907 (1975-12-01), Czernik
patent: 4033005 (1977-07-01), Czernik

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