Chairs and seats – Bottom or back with means to alter contour
Patent
1984-11-26
1987-05-12
Dorner, Kenneth J.
Chairs and seats
Bottom or back with means to alter contour
297452, 297458, A47C 702
Patent
active
046644440
ABSTRACT:
A seat assembly (10) comprising a seat portion (12) and back rest (14) supported on a seat frame (30) with a thigh support (26) movably supported forward of the seat portion (12). The thigh support (26) includes a support portion (42) extending from the seat frame (30) and a bolster (28) supported by the support portion (42). A spring arrangement (44) resiliently interconnects the support portion (42) and the bolster (26) for allowing movement of the entire bolster (26) relative to the support portion (42); for this purpose a pair of leaf springs (46) support the bolster portion (26) in a cantilevered fashion from the support portion (42) and are disposed adjacent each end of the bolster (28). A pair of slideways (52) and corresponding slide members (54) are secured to the frame structure, allowing the bolster (28) to extend between a fully extended to a fully retracted position.
REFERENCES:
patent: 3095188 (1963-06-01), Giese
patent: 3600037 (1971-08-01), Lohr
patent: 3632166 (1972-01-01), Lohr
patent: 3883173 (1975-05-01), Shephard et al.
patent: 4165126 (1979-08-01), Strien et al.
patent: 4324431 (1982-04-01), Murphy et al.
patent: 4334709 (1982-06-01), Akiyama et al.
patent: 4455047 (1984-06-01), Watanabe
patent: 4491365 (1985-01-01), Muraicami
Chen José V.
Dorner Kenneth J.
Lear Siegler, Inc.
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