Supports – Stand – Horizontally movable support surface
Patent
1978-09-05
1981-01-06
Schultz, William H.
Supports
Stand
Horizontally movable support surface
F16M 1300
Patent
active
042431956
ABSTRACT:
A vehicle seat suspension utilizing a pair of horizontally spaced frame members each having a pair of vertically spaced guide rails mounted thereon. Each of the guide rails on one frame member is horizontally spaced and parallel to a guide rail on the other frame member so that two vertically spaced planes are defined thereby. A first base member is movably mounted on one set of guide rails and a second base member is movably mounted on the other set of spaced guide rails. Locking means are provided for selectively locking the lowermost base member to the guide rails. Resilient means are provided for resiliently connecting the two base members together and resiliently holding the upper base member in a centered position relative to the lower base member. As a result, when the locking mechanism selectively locks the lower base member to the guide rails, the upper base member will be movable in both directions along the guide rails against the urging of the resilient means. A seat construction is mounted on the upper base member. A second locking mechanism is provided to selectively lock the upper base member to the frame members.
REFERENCES:
patent: 1281921 (1918-11-01), Etherington
patent: 1753047 (1930-04-01), Fromm
patent: 1775082 (1930-09-01), Beardsley
patent: 1875500 (1932-09-01), Roeder
patent: 2629426 (1953-02-01), Hawkins
patent: 2850073 (1958-09-01), Smith
patent: 3178148 (1965-04-01), Manke
patent: 3190592 (1965-06-01), Grizzle
patent: 3233859 (1966-02-01), Beoletto
patent: 3258241 (1966-06-01), Oswald
patent: 3325137 (1967-06-01), Knudsen
patent: 3685780 (1972-08-01), Stannebein
patent: 3702179 (1972-11-01), Radke et al.
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