Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent
1990-11-26
1991-11-12
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Independent rung or step
182127, 182196, 182 97, 280166, B60R 302, E06C 526
Patent
active
050640232
ABSTRACT:
A flexible ladder for use on moving conveyances which provides frontal stability but lateral flexibility, the ladder having a first, a second and a third strut member each formed of flexible material and each supported in a generally vertical plane, the strut members being parallel to each other with the second strut member between the first and third strut members. A first set of steps are secured between the first and second strut members and a second set of steps are secured between the second and third strut members the steps being vertically spaced apart from each other and the upper ends of each of the strut members being affixed to a moving conveyance, the ladder providing for ascent of an operator to the operating position on the conveyance but permitting lateral flexiblity if the ladder engages an obstruction on the surface on which the machine moves.
REFERENCES:
patent: 3603429 (1971-12-01), Shepherd et al.
patent: 3887216 (1975-06-01), Perry
patent: 4054298 (1977-10-01), Urbaitis
patent: 4054299 (1977-10-01), Urbaitis
patent: 4199040 (1980-04-01), Lapeyre
patent: 4316524 (1982-02-01), Lapeyre
patent: 4328880 (1982-05-01), Lapeyre
patent: 4333547 (1982-06-01), Johansson
patent: 4509617 (1985-05-01), Lapeyre
patent: 4535871 (1985-08-01), Lapeyre
patent: 4564205 (1986-01-01), Shookman et al.
patent: 4627200 (1986-12-01), Lapeyre
patent: 4673011 (1987-06-01), Lapeyre
patent: 4845841 (1989-07-01), Lapeyre
"Vehicle Entry Steps" Oskega Dackservice, pamphlet, pp. 1 and 2, Date 11/6/81.
Machado Reinaldo P.
Terex Corporation
LandOfFree
Flexible ladder for use on moving conveyances does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Flexible ladder for use on moving conveyances, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flexible ladder for use on moving conveyances will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1007819