Collapsible railing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 24, 1993
Grant Date -
N/A
app pub date -
Jun 16, 1992
filing date -
Jun 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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