Device for closing road wells in vehicle and pedestrian areas

Movable or removable closures – With means mounting closure for swinging – With biasing means

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Details

16298, 16306, E05F 110

Patent

active

059375833

ABSTRACT:
A device for closing road wells in vehicle and pedestrian zones is provided, said device comprising a support frame (2) defining an access opening (4) and a plate closing element (5) rotatably engaged with the support frame (2) about a hinging axis (6) so as to be movable between a raised open position and a lowered closed position.

REFERENCES:
patent: 1801840 (1931-04-01), Banfield
patent: 2183210 (1939-12-01), Anderson
patent: 3810275 (1974-05-01), Smith
patent: 5142738 (1992-09-01), Ojima
patent: 5240319 (1993-08-01), Koga
patent: 5465862 (1995-11-01), Devlin

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