Fire escape – ladder – or scaffold – Ladder with pivoted prop – Hinged to top-step rear flange
Patent
1995-11-20
1998-02-10
Braun, Leslie A.
Fire escape, ladder, or scaffold
Ladder with pivoted prop
Hinged to top-step rear flange
182176, 182165, 182104, E06C 714
Patent
active
057159092
ABSTRACT:
A stepladder is provided with a bracing shelf that acts both as a conventional pivoting shelf and a bracing mechanism preventing accidental closing of the stepladder when the shelf is in a bracing position. The shelf includes abutting members adapted to contact a step of the stepladder, and, optionally, a mechanism to lock the shelf in the bracing position.
REFERENCES:
patent: 712351 (1902-10-01), Adkins
patent: 1113436 (1914-10-01), Hartzler
patent: 1992391 (1935-02-01), Pease
patent: 2007713 (1935-09-01), Gaffers
patent: 2481581 (1949-09-01), Ehnhuus
patent: 4079814 (1978-03-01), Larson
patent: 4718518 (1988-01-01), Brown
patent: 4834216 (1989-05-01), Wallick, Jr. et al.
patent: 5098052 (1992-03-01), Beck
patent: 5421429 (1995-06-01), Evans
Braun Leslie A.
Phan Long Dinh
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