Portable step

Details Portable step Portable step

1994-11-23

1996-05-21

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Platform

Relatively movable sections

182 33, 108132, 29742339, A47B 4600

Patent

active

055180841

ABSTRACT:
A new and improved portable step comprising a top platform having a front portion that extends downwardly therefrom. The top platform has a metal edging around a periphery thereof. The metal edging serves to protect the periphery from chipping and splitting. Included in the device are two side supports. Each of the two side supports has a spring loaded hinge theresecured. Each spring loaded hinge is secured to the top platform. Each of the two side supports is extendable to a position perpendicular to the top platform. Each of the two side supports is foldable to a position against the top platform. A front support is hingedly secured to the front portion of the top platform. The front support is extendable to a position perpendicular to the top platform resting against the two side supports. The front support is foldable to a position retaining the two side supports against the top platform.

REFERENCES:
patent: 1133109 (1915-03-01), Derbyshire
patent: 3628471 (1971-12-01), Burr
patent: 3826336 (1974-07-01), Cramer
patent: 4059058 (1977-11-01), Kazuhide
patent: 5316374 (1994-05-01), Fidler
patent: 5323887 (1994-06-01), Scicluna

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