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1. (WO1992009781) FLEXIBLE LADDER FOR USE ON MOVING CONVEYANCES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/009781 International Application No.: PCT/US1991/007787
Publication Date: 11.06.1992 International Filing Date: 21.10.1991
Chapter 2 Demand Filed: 01.06.1992
IPC:
B60R 3/00 (2006.01) ,E06C 5/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
R
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
3
Arrangements of steps, e.g. running-boards
E FIXED CONSTRUCTIONS
06
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
C
LADDERS
5
Ladders characterised by being mounted on undercarriages or vehicles; Securing ladders on vehicles
02
with rigid longitudinal members
Applicants:
TEREX CORPORATION [US/US]; 201 West Walnut Street Green Bay, WI 54303, US
Inventors:
LOEBER, W., Frederick; US
Agent:
JOHNSON, Paul, H.; Head & Johnson 228 West 17th Place Tulsa, OK 74119, US
Priority Data:
617,99226.11.1990US
Title (EN) FLEXIBLE LADDER FOR USE ON MOVING CONVEYANCES
(FR) ECHELLE FLEXIBLE UTILISEE SUR DES VEHICULES DE TRANSPORT ROULANTS
Abstract:
(EN) A flexible ladder for use on moving conveyances which provides frontal stability but lateral flexibility, the ladder having a first (40), a second (42) and a third (44) 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 (46) are secured between the first and second strut members and a second set of steps (40, 50) 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 flexibility if the ladder engages an obstruction on the surface on which the machine moves.
(FR) Echelle flexible destinée à être utilisée sur des véhicules de transport roulants, assurant une stabilité frontale mais une flexibilité latérale, ladite échelle comportant des premier (40), second (42) et troisième (44) montants chacun en matière flexible et soutenu dans un plan vertical, lesdits montants étant parallèles les uns aux autres et le second montant se trouvant entre les premier et troisième montants. Un premier ensemble de marches (46) est fixé entre les premier et second montants, et un second ensemble de marches (40, 50) est fixé entre les second et troisième montants, les marches étant espacées verticalement les unes des autres et les extrémités supérieures de chacun des montants étant fixées à un véhicule de transport roulant, l'échelle permettant à l'utilisateur de monter jusqu'à son poste de conduite situé sur le véhicule de transport, mais permettant une flexibilité latérale dans le cas où ladite échelle viendrait au contact d'un obstacle situé sur la surface sur laquelle la machine se déplace.
Designated States: AU, CA, JP
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
CA2093333AU1991090475