Locking component for securing a cover on a frame

Details Locking component for securing a cover on a frame Locking component for securing a cover on a frame

1990-05-22

1992-05-05

Neuder, William P.

Road structure, process, or apparatus

Drain or gutter

Street or curb inlet for surface drainage

49465, E01C 1122, E05C 2102

Patent

active

051102358

ABSTRACT:
The invention comprises a grate having a device to prevent it from dislodging when a vehicle drives over the grate. For this purpose, a part (2') of the supporting component at a side face of the grate (1) is designed as a thin, tongue-shaped wall (33) with an outer thickening (34). The supporting component has a notch (35) that is vertical with respect to its longitudinal axis on an end of the tongue-shaped wall, a thickening (22) or a depression being located on an inner side face of the associated supporting frame.

REFERENCES:
patent: 4257193 (1981-03-01), Williams
patent: 4594157 (1986-06-01), McGowan
patent: 4621939 (1986-11-01), Thomann et al.
patent: 4761319 (1988-08-01), Kraus et al.
patent: 4955752 (1990-09-01), Ferns
patent: 4964755 (1990-10-01), Lewis et al.

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