Road structure – process – or apparatus – Drain or gutter – Street or curb inlet for surface drainage
Patent
1993-04-05
1993-11-30
Dorner, Kenneth J.
Road structure, process, or apparatus
Drain or gutter
Street or curb inlet for surface drainage
182113, 404 54, E01C 1122, E01C 1102
Patent
active
052659747
ABSTRACT:
A safety net assembly and system is provided which includes at least two rods having attaching brackets at their ends. The brackets may be engaged over ledges in a frame that defines an opening over a subterranean work place. A net or webbing is slideably engaged on the rods, so that it may be opened for access and spread to cover the opening, to prevent a person from falling through the opening when the assembly or system is in place. Where there are insets in the ledges, the assembly or system may be left in place without interfering with the placement of a normal cover for the opening.
REFERENCES:
patent: 603299 (1889-05-01), Vanderman
patent: 2013635 (1935-09-01), Serafinowicz
patent: 2313496 (1943-03-01), Adams
patent: 4136010 (1979-01-01), Pilie et al.
patent: 4667353 (1987-05-01), Zeigler et al.
patent: 4777673 (1988-10-01), Patterson et al.
Baynets Safety Systems Brochure, Braintree, Mass.
Connolly Nancy P.
Dorner Kenneth J.
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