Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1993-10-12
1995-01-03
Ramirez, Ramon O.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
248188, 403170, 403217, E04G 100
Patent
active
053777808
ABSTRACT:
A bracket assembly for use in constructing a saw horse has a main bracket and an auxiliary bracket cooperatively engaged to readily form a rigid saw horse for use or readily permit the folding or break-apart of the saw horse for moving or storing. The main bracket has a generally inverted Y-shape with a vertical open-top channel to receive the auxiliary bracket and two inclined open-bottom channels to receive leg members of the saw horse. The auxiliary bracket has a H-shape with a vertical open-bottom channel to engage the vertical open-top channel of the main bracket and a vertical open-top channel to receive a cross-piece member of the saw horse. Attachment means allow a rigid though semi-permanent connection with the leg members and the cross-piece member and a rigid though removable connection between the main and auxiliary brackets.
REFERENCES:
patent: 302945 (1884-08-01), Sargent
patent: 362915 (1887-05-01), Zeigler
patent: 462581 (1891-11-01), Peck
patent: 802834 (1905-10-01), Upthegrove
patent: 1597555 (1925-01-01), Tolmie
patent: 2559696 (1951-07-01), Anderson
patent: 2736614 (1956-02-01), Brewster, Jr.
patent: 4238001 (1980-12-01), Alexander
patent: 4890952 (1990-01-01), Jones
Ramirez Ramon O.
Wilson Charles P.
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