Grating for a highway construction in particular for a sewer ope

Details Grating for a highway construction in particular for a sewer ope Grating for a highway construction in particular for a sewer ope

1982-05-14

1985-01-22

Leppink, James A.

Road structure, process, or apparatus

Drain or gutter

Street or curb inlet for surface drainage

210163, 52660, E03F 506

Patent

active

044948913

ABSTRACT:
A grating (1) is composed of a series of transversal elements (2) which each have a central hole (11) and, at each end and on each surface, a planar surface (5) for abutting an adjacent transversal element. These elements are clamped one against the other by a central crosspiece (3) traversing their central holes. During the passage of rolling loads, the surfaces (5) slide one on the other to ensure at least four effective seat points for the grating, preventing its rocking.

REFERENCES:
patent: 387189 (1888-07-01), Toffler
patent: 397402 (1889-02-01), Toffler
patent: 463702 (1891-11-01), Mills
patent: 817837 (1906-04-01), Dahlstrom
patent: 880862 (1908-03-01), Chase
patent: 1561120 (1925-11-01), Smith
patent: 2335556 (1943-11-01), Wilson
patent: 3527148 (1970-09-01), Schack
patent: 3945746 (1976-03-01), Bredbenner

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