Fire escape – ladder – or scaffold – Safety device for ground-supported ladder
Patent
1999-05-26
2000-11-28
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
E04G 502
Patent
active
061522619
ABSTRACT:
A safety attachment for a ladder of the type which comprises a pair of spaced apart parallel side rails and a plurality of rungs extending between the side rails. The safety attachment includes a pair of tubular members, each of which is secured to a corresponding one of the side rails of the ladder. Two extension arms are also provided. One end of each of the extension arms has a friction pad secured thereto. The other end of each extension arm is pivotally attached to the top end of a corresponding one of the tubular members.
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Chin-Shue Alvin
Cohen Curtis A.
Lehrer Norman E.
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