Joints and connections – Three or more members connected at single locus – Mutually contacting
Patent
1994-05-12
1996-03-19
Dorner, Kenneth J.
Joints and connections
Three or more members connected at single locus
Mutually contacting
403218, 403174, 403341, 2974401, 108180, F16B 1210
Patent
active
054998832
ABSTRACT:
A stretcher or crossrib (1) for seating furniture, such as chairs, and for tables has four rib parts (4) of solid wood, preferably beech wood, in the form of flat pieces arranged at an angle to one another. Their butt ends (5) are interconnected by tenons (6) into a cross with different spacing angles .alpha., .beta. and are glued. A connecting element 7 is used to hold the butt ends (5) of the four rib parts (4) form-fittingly. Connecting element (7) is composed of a top part (8) and a bottom part (9). Top part (8) and bottom part (9) of connecting element (7) hold butt ends (5) of rib parts (4) in corresponding holes (10) form-fittingly and are screwed to rib parts (4). Top part (8) and bottom part (9) of connecting element (7) can be gussets.
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patent: 2658776 (1953-11-01), Wilcox
patent: 4383780 (1983-05-01), Davison
patent: 4493582 (1985-01-01), Drabsch
patent: 4684282 (1987-08-01), Lever
patent: 5127759 (1992-07-01), Orbom
patent: 5185982 (1993-02-01), Hostetler
patent: 5349800 (1994-09-01), Peng
Dorner Kenneth J.
Kim Harry C.
Kusch & Co. Sitzmobelwerke KG.
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