Chairs and seats – Bottom or back with means to alter contour
Patent
1981-06-10
1984-06-19
Zugel, Francis K.
Chairs and seats
Bottom or back with means to alter contour
297224, 297452, A47C 300
Patent
active
044550472
ABSTRACT:
In order to concentrate the creases, which are inevitably produced at the front sheet member of seat proper when the front section of the seat proper takes its lowermost position by the function of the adjustable femur supporter, at an inconspicuous portion of the front sheet member, two elongate elastic members constructed of, for example, a rubber material are attached to the sheet member in a manner to be kept expanded even when the front section of the seat proper takes the lowermost position. Each elongate elastic member passes through two slots formed in the sheet member so that a portion of the elongate elastic member is located at a side opposite to another side where a major portion of elongate elastic member is located.
REFERENCES:
patent: 1426580 (1922-08-01), Lundeen et al.
patent: 1942111 (1934-01-01), Levi
patent: 2183828 (1939-12-01), Trubitz
patent: 2367450 (1945-01-01), Trubitz
patent: 4018477 (1977-04-01), Hogan
Nissan Motor Co,. Ltd.
Zugel Francis K.
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