Ships – Furniture – Self-leveling
Patent
1996-07-08
1997-09-23
Sotelo, Jesus D.
Ships
Furniture
Self-leveling
29721619, B63B 2904
Patent
active
056693249
ABSTRACT:
A rolling chair frame that includes a one-piece tubular frame, a platform, movable mounting apparatus, and preventing apparatus. The one-piece tubular frame is attachable to a movable object. The platform is sidewardly movably mounted to the one-piece tubular frame and is adapted to replaceably receive a chair. The movable mounting apparatus sidewardly movably mounts the platform to the one-piece tubular frame and maintains the platform level as the movable object moves. And, the preventing apparatus prevents removal of the platform from the one-piece tubular frame, so that the platform cannot be unintentionally removed from the one-piece tubular frame.
REFERENCES:
patent: 12703 (1855-04-01), Thomas
patent: 224232 (1880-02-01), Schrader
patent: 968195 (1910-08-01), Reed
patent: 2195428 (1940-04-01), Searing
patent: 2770286 (1956-11-01), Weller
patent: 4254990 (1981-03-01), Kelley
patent: 4425863 (1984-01-01), Cutler
patent: 5119754 (1992-06-01), Martinez et al.
Miller P.E. Richard L.
Sotelo Jesus D.
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