Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1992-07-17
1994-06-07
Scherbel, David A.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
211194, 2481888, E04G 100
Patent
active
053181506
ABSTRACT:
A sawhorse comprises a central beam and a pair of injection molded plastic end supports. The end supports each provide an upwardly facing notch for receiving a standing 2.times.4 acting as the beam of the sawhorse. The 2.times.4 is attached to the end supports by nailing to provide a fixed sawhorse or by bolting to provide a partially collapsible sawhorse. The end supports provide a maximum strength to weight ratio, are partially nestable to reduce costs during storage and transportation and provide an inexpensive, sturdy sawhorse assembly.
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patent: 5085397 (1992-02-01), Henkel
patent: 5101932 (1992-04-01), Trudgeon
patent: 5184697 (1992-02-01), Crewe et al.
Chan Korie
Moller G. Turner
Scherbel David A.
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