Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1997-12-31
1999-06-22
Stodola, Daniel P.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
182107, 182200, 182205, 2481885, E06C 100
Patent
active
059133821
ABSTRACT:
A ladder extension system including a ladder having two sets of parallel vertically oriented supports each fixedly coupled at a top extent thereof. At least one of the sets of supports has a plurality of horizontal wrungs mounted therebetween for stepping purposes. Each of the vertically oriented supports has a bottom free end. A pair of mounting assemblies are removably mounted to the supports of the ladder. Next provided is a pair of extension bars slidably situated with respect to the mounting assemblies. A coupling mechanism is provided for releasably fixing the extension bars with respect to the mounting assemblies.
REFERENCES:
patent: D359365 (1995-06-01), Greene et al.
patent: 2371460 (1945-03-01), Needham
patent: 2392527 (1946-01-01), Divil
patent: 2936849 (1960-05-01), Larson
patent: 3260329 (1966-07-01), Zevely
patent: 3724592 (1973-04-01), Fleischer
patent: 3861500 (1975-01-01), Dempsey
patent: 4029174 (1977-06-01), Planck et al.
patent: 4209078 (1980-06-01), Gerber
patent: 5107958 (1992-04-01), Johnson
patent: 5148892 (1992-09-01), Lu
patent: 5325936 (1994-07-01), Baker
patent: 5335754 (1994-08-01), Gibson
patent: 5551529 (1996-09-01), Molitor
patent: 5704451 (1998-01-01), King
Lev Bruce A.
Stodola Daniel P.
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