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1. AU1990056518 - Ladder with four-point footing

Office Australia
Application Number 56518/90
Application Date 16.05.1990
Publication Number 1990056518
Publication Date 13.02.1992
Publication Kind A
IPC
E06C 1/20
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
CLADDERS
1Ladders in general
02with rigid longitudinal member or members
14Ladders capable of standing by themselves
16with struts which rest on the ground
20with supporting struts formed as poles
E06C 7/42
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
CLADDERS
7Component parts, supporting parts, or accessories
42Ladder feet; Supports therefor
E06C 7/44
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
CLADDERS
7Component parts, supporting parts, or accessories
42Ladder feet; Supports therefor
44Means for mounting ladders on uneven ground
CPC
E06C 1/20
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
CLADDERS
1Ladders in general
02with rigid longitudinal member or members
14Ladders capable of standing by themselves
16with ; hinged; struts which rest on the ground
20with supporting struts formed as poles
E06C 7/423
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
CLADDERS
7Component parts, supporting parts, or accessories
42Ladder feet; Supports therefor
423Ladder stabilising struts
Applicants Raufoss A/S
Inventors Heggen, Hans
Priority Data 891965 16.05.1989 NO
Title
(EN) Ladder with four-point footing
Abstract
(EN)
A ladder having four-point contact with the underlying surface comprises ladder rungs (5), side members or stringers (8) and support legs (6) that are fastened at one end to respective side members (8) for pivoting outwards therefrom. Each support leg (6) independently is rapidly deployable by means of a pressure device (1) acting between the stringer (8) and the support leg (6). The ladder itself may be of any type, but is intended particularly for rescue purposes where time is of critical importance.

Also published as
FI915378
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