Climbing step with embedded reflection plate

Details Climbing step with embedded reflection plate Climbing step with embedded reflection plate

1987-07-21

1988-10-18

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

182129, E02D 2912, E02B 306, E04G 314

Patent

active

047780320

ABSTRACT:
A climbing step and its manufacturing method are disclosed. The climbing step which is installed on wall surfaces of a manhole, pier or the like for ascent and descent is arranged such that a part of the step is coated with a layer of synthetic resin, and a reflection plate including protruding portions for preventing slippage are formed in the synthetic resinous surface. The reflection plate is embedded in the resinous surface over the tread portion while causing the surface to be exposed.

REFERENCES:
patent: 2064803 (1936-12-01), Grove
patent: 2179412 (1939-11-01), Keuthan
patent: 3253971 (1966-05-01), Garling
patent: 3830682 (1974-08-01), Rowland
patent: 4058942 (1977-11-01), Naka
patent: 4289819 (1981-09-01), Kalman

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