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1. WO2012058389 - STAIR SYSTEM

Publication Number WO/2012/058389
Publication Date 03.05.2012
International Application No. PCT/US2011/058020
International Filing Date 27.10.2011
IPC
E04F 11/02 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures; Balustrades; Handrails
02Stairways; Layouts thereof
E04F 11/00 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures; Balustrades; Handrails
CPC
E04F 11/025
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
02Stairways; Layouts thereof
022characterised by the supporting structure
025Stairways having stringers
E04F 11/068
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
02Stairways; Layouts thereof
04Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
06collapsible, e.g. folding, telescopic
068telescopic
E04F 11/1041
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
02Stairways; Layouts thereof
104Treads
1041having means to adjust the height, the depth and/or the slope of the stair steps
E04F 11/112
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
02Stairways; Layouts thereof
104Treads
112of metal ; or with an upper layer of metal
E04F 11/1817
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
18Balustrades; Handrails
181Balustrades
1817Connections therefor
Applicants
  • BECKM, LLC [US]/[US] (AllExceptUS)
  • WALSTON, Richard, D. [US]/[US] (UsOnly)
Inventors
  • WALSTON, Richard, D.
Agents
  • SLATE, William, B.
Priority Data
61/407,33627.10.2010US
61/430,70007.01.2011US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) STAIR SYSTEM
(FR) SYSTÈME D'ESCALIER
Abstract
(EN)
A stair system (20; 300) comprises: a first length-adjustable stringer (40A; 308A); a second length-adjustable stringer (40B; 308B); and a plurality of tread assemblies (148; 350) installable to the first and second stringers. The system further includes at least one handrail (268; 302A, 302B). A plurality of balusters (280A, 280B; 360, 362) are attached or attachable to the tread assemblies and handrail. The tread assemblies each have an adjustable tread pitch.
(FR)
La présente invention se rapporte à un système d'escalier (20 ; 300) qui comprend : un premier limon ajustable en longueur (40A ; 308A) ; un second limon ajustable en longueur (40B ; 308B) ; et une pluralité de marches (148 ; 350) qui peuvent être installées sur les premier et second limons. Le système comprend en outre au moins une rampe (268 ; 302A, 302B). Une pluralité de balustres (280A, 280B ; 360, 362) sont fixées ou peuvent être fixées aux marches et à la rampe. Les marches ont chacune une hauteur de marche ajustable.
Also published as
Latest bibliographic data on file with the International Bureau