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1. WO1992015759 - STAIRTREAD WITH POSITIONING AND LOCKING MECHANISM

Publication Number WO/1992/015759
Publication Date 17.09.1992
International Application No. PCT/US1992/001274
International Filing Date 18.02.1992
Chapter 2 Demand Filed 17.09.1992
IPC
E04F 11/032 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures; Balustrades; Handrails
02Stairways; Layouts thereof
022characterised by the supporting structure
032Spiral stairways supported by a central column
CPC
E04F 11/032
EFIXED CONSTRUCTIONS
04BUILDING
FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
11Stairways, ramps, or like structures
02Stairways; Layouts thereof
022characterised by the supporting structure
032Spiral stairways supported by a central column
Applicants
  • MANNA, Joseph, P. [US]/[US]
Inventors
  • MANNA, Joseph, P.
Agents
  • PAUL, Edwin, H.
Priority Data
665,34606.03.1991US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) STAIRTREAD WITH POSITIONING AND LOCKING MECHANISM
(FR) MARCHE D'ESCALIER COMPORTANT UN MECANISME DE POSITIONNEMENT ET DE BLOCAGE
Abstract
(EN)
A circular staircase tread (10), capable of being formed in one piece, the tread having a flexible stacking (18), positioning and locking mechanism which allows on-site adjustment of the angular positioning of the treads in relation to each other and the on-site modification of the resulting staircase.
(FR)
Marche d'escalier en spirale (10) pouvant se présenter sous forme monobloc et possédant un mécanisme souple d'empilement (18), de positionnement et de blocage permettant le réglage sur place du positionnement angulaire des marches les unes par rapport aux autres, ainsi que la modification sur place de l'escalier obtenu.
Also published as
Latest bibliographic data on file with the International Bureau