Chairs and seats – Having detachably interfitting parts or components; i.e.,... – Interfitted back and back frame
Patent
1987-06-29
1988-10-11
Zugel, Francis K.
Chairs and seats
Having detachably interfitting parts or components; i.e.,...
Interfitted back and back frame
297244, 297183, 297DIG2, A47C 700
Patent
active
047766352
ABSTRACT:
A railway car seat modularly adaptable to provide various seating accommodations, consisting of a load bearing frame (10), a seat element (20) and a backrest element (30), where the frame (10) is made up of a tubular member (11) connecting two horizontal rail members (12) serving to support the seat element, the seat element (20) and backrest element (30) each having a semicircular channel (21A, 31A), both of which channels mate with the tube (11).
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patent: 3747978 (1973-07-01), Barecki
patent: 3841704 (1974-10-01), Platner et al.
patent: 4365840 (1982-12-01), Kehl et al.
Alsthom
Zugel Francis K.
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