Supports – Stand – Tilting support surface
Patent
1991-09-17
1993-04-20
Foss, J. Franklin
Supports
Stand
Tilting support surface
248421, 297313, 297338, A45D 1904
Patent
active
052035328
ABSTRACT:
A seat adjuster is disclosed, which comprises a seat pan; parallel first and second base members; spaced first and second rod members, each being rotatably supported by the base members; first and second link mechanisms respecitvely connected to the first rod member and mounting thereon a front part of the seat pan, the first and second link mechanisms raising the front part of the seat pan when the first rod member is rotated about its axis in a given direction; third and fourth link mechanism respectively connected to the second rod member and mounting thereon a rear part of the seat pan, the third and fourth link mechanism raising the rear part of the seat pan when the second rod member is rotated about its axis in a given direction; and first and second drive mechanisms mounted to the first base plate for turning the first and second rod members respectively. Each drive mechanism has a one-way clutch function which locks parts of the drive mechanism when a torque is applied thereto from the associated rod member. The first rod member has a sector gear connected thereto and operatively engaged with the first drive mechanism. The sector gear is positioned at an opposite side of the second drive mechanism with respect to the first drive mechanism.
REFERENCES:
patent: 4529159 (1985-07-01), Terada
patent: 4765582 (1988-08-01), Babbs
patent: 4767156 (1988-08-01), Yamada
patent: 4775186 (1988-10-01), Nishino
patent: 4787594 (1988-11-01), Ikegaya
patent: 4834333 (1989-05-01), Saito
patent: 4871137 (1989-10-01), Ikegaya
patent: 4948081 (1990-08-01), Hatta
Foss J. Franklin
Fuji Kiko Co. Ltd.
Kananen Ronald P.
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