Chairs and seats – Bottom or back – Framework
Patent
1983-03-08
1985-05-28
Zugel, Francis K.
Chairs and seats
Bottom or back
Framework
297410, A47C 702
Patent
active
045196508
ABSTRACT:
A seat back frame assembly, comprising a substantially U-shaped pipe member having a horizontal base and a pair of vertical legs extending upwardly from the horizontal base and terminating at a pair of upper ends, a transverse member having a first horizontal portion welded at the opposite ends to the upper ends of the pipe member, a first vertical portion depending from the first horizontal portion to extend along one side of the pipe member and having a lower end continuing to a second horizontal portion lying beneath the first horizontal portion between the vetical legs of the pipe member, and a second vertical portion depending from the second horizontal portion along the other side of the pipe member, each of the first and second vertical portions having opposite edge portions welded to the legs of the pipe member, the first horizontal portion having a pair of transversely spaced holes, the second horizontal portion having a pair of holes which are respectively aligned in vertical direction with the holes in the first horizontal portion for receiving headrest receptacles.
REFERENCES:
patent: 2572591 (1951-10-01), Booth
patent: 3173723 (1965-03-01), Hoven et al.
patent: 3427073 (1969-02-01), Downs et al.
patent: 3512833 (1970-05-01), Sugiura
patent: 3572831 (1971-03-01), Barecki et al.
patent: 3630566 (1971-12-01), Barecki
patent: 3874731 (1975-04-01), Jordan
patent: 4305617 (1981-12-01), Benoit
patent: 4351563 (1982-09-01), Hattori
Kawamura Reiki
Nawa Hiroshi
Terada Takami
Aisin Seiki Kabushiki Kaisha
Toyota Jidosha & Kabushiki Kaisha
Zugel Francis K.
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