Arching mechanism

Details Arching mechanism Arching mechanism

A - Human Necessities

47

C

A47C 7/46 (2006.01) A43D 3/14 (2006.01) B60N 2/66 (2006.01) E04G 11/36 (2006.01)

Patent

CA 2059537

An arching mechanism, i.e. for seat backrests, 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 may comprise a frame with inserted pressure elements actuatable by adjusting device(s), whereby frame segments are length-variable pressure elements. Traction elements provided with a tensioning mechanism may 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.

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