Collapsible railing

Details Collapsible railing Collapsible railing

1992-06-16

1993-08-24

Le, Mark T.

Railways

Elevated structure

182113, 256 59, E01B 500

Patent

active

052379329

ABSTRACT:
A collapsible railing having an upper rail and a plurality of posts hingedly attached to the upper rail at spaced apart locations. A crank including a shaft portion and an arm portion which is mounted for rotation about the long axis of the shaft portion is connected to each post. An actuator actuates the motion of the crank to pivot the posts and the upper rails between a collapsed position in which each post is oriented generally horizontally, and an erect position in which the posts are in an upright position.

REFERENCES:
patent: 3666045 (1972-05-01), Olsen
patent: 3890904 (1975-06-01), Edwards
patent: 4394837 (1983-07-01), Edwards
patent: 4856761 (1989-08-01), Berner

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