Supports – Stand – Adjustable vertically
Reexamination Certificate
2005-04-27
2009-08-11
Sterling, Amy J. (Department: 3632)
Supports
Stand
Adjustable vertically
C248S584000, C297S344150
Reexamination Certificate
active
07571886
ABSTRACT:
A suspension for a vehicle seat having four bellcranks which guide the seat substantially vertically, oscillate on a central pivot on elevated stationary pivots mounted on a lower frame, with upper arms of the bellcranks pivotally attached to a seat cushion upper frame and the lower arms indirectly attached to adjustable tension springs that are attached to the upper frame; the lower ends with substantial inward offsets so as to rotate downwardly toward the mounting deck of the vehicle while clearing the lower frame and adjustable sliders; the bellcranks being coupled longitudinally and laterally to stay in phase and keep the upper frame level.
REFERENCES:
patent: 4241894 (1980-12-01), Okuyama
patent: 4520986 (1985-06-01), Liljequist et al.
patent: 4856763 (1989-08-01), Brodersen et al.
patent: 5014958 (1991-05-01), Harney
patent: 5014960 (1991-05-01), Kimura
patent: 5222709 (1993-06-01), Culley, Jr. et al.
patent: 5794911 (1998-08-01), Hill
patent: 5938164 (1999-08-01), Kargol et al.
patent: 5984410 (1999-11-01), Brodersen
patent: 6264158 (2001-07-01), Downey et al.
patent: 6520474 (2003-02-01), Yoshida et al.
patent: 6695275 (2004-02-01), Schuler
patent: 6755469 (2004-06-01), Akaike et al.
patent: 6773049 (2004-08-01), Rupiper et al.
patent: 6776384 (2004-08-01), Igarashi
patent: 6830297 (2004-12-01), Gordon
patent: 6851753 (2005-02-01), Akaike et al.
patent: 7032874 (2006-04-01), Meyers et al.
patent: 2003/0201660 (2003-10-01), Janscha et al.
patent: 2004/0144906 (2004-07-01), Hill et al.
patent: 2005/0001133 (2005-01-01), Bostrom et al.
patent: 2005/0006937 (2005-01-01), Takata et al.
patent: 2005/0242264 (2005-11-01), John
Two pages believed to be from Kubota Manual with exploded ordering parts sheet and unit drawing; date unknown; detail of bellcrank in Fig. 8 and operation in Specification.
Carter John W.
Le Tan
Sterling Amy J.
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