A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
155/57
A47C 7/02 (2006.01) A47C 7/46 (2006.01)
Patent
CA 1237364
ABSTRACT An apparatus for the attachment of a lower back support upholstery by means of a spring to a back rest support, which is a four-sided tube. Preferably there are three springs formed from rubber and metal and which are arranged in an isosceles triangle. Access holes in the four side tube facilitate the attachment of the springs.
442968
Marks & Clerk
Roder Gmbh Sitzmobelwerke
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