Patent Number: 6,254,187

Title: Arching mechanism

Abstract: Arching mechanism, for instance for backrests of seats, medical or orthopaedic apparatus or casings and the like, with a pressure element wherein at least one traction element connected with a tensioning mechanism engages, which, when the mechanism is actuated can produce bulging by preserving a relative elevation of apex of the convexity; the arching mechanism can comprise a frame with inserted pressure elements actuatable by adjusting device(s), whereby frame segments are length-variable pressure elements; traction elements provided with tensioning mechanism can engage a slitted, overlapping or bellows-like bulging body for the opening and closing of these areas, which produces a curving of the bulging body in a predetermined direction or directions.

Inventors: Schuster, Sr.; Wilhelm (Linz, AT), Schuster, Jr.; Wilhelm (Gallneukirchen, AT)

Assignee: Schukra-Geratebau GesmbH

International Classification: A43D 3/14 (20060101); A47C 7/46 (20060101); A43D 3/00 (20060101); B60N 2/64 (20060101); B60N 2/66 (20060101); E04G 11/00 (20060101); E04G 11/36 (20060101); A47C 003/025 ()

Expiration Date: 07/03/2018