Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1998-03-09
1999-11-16
Lisehora, James A.
Road structure, process, or apparatus
Traffic steering device or barrier
14 53, 49 49, 49334, 49381, E01F 1306
Patent
active
059845694
ABSTRACT:
A gate barrier which includes a first post, a drive shaft and a driven shaft revolvably supported on the first post at different elevations, a second post disposed in parallel to the first post, the second post having at least one angled holder plate, and a folding collapsible barrier having a fixed end fixedly connected to the drive shaft and the driven shaft and a free end for resting on the at least one holder plate at the second post, the folding collapsible barrier being extended out when lowered with its free end rested on the at least one angled holder plate at the second post, the folding collapsible barrier being collapsed when lifted from the second post to a vertical position in vertical alignment with the first post.
REFERENCES:
patent: 859489 (1907-01-01), Donovan
patent: 2563894 (1951-08-01), White
patent: 2807107 (1957-09-01), Goulet
patent: 4519164 (1985-05-01), Porter
patent: 4844653 (1989-07-01), Dickinson
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