Horizontally supported planar surfaces – Folding – Legs pivotally converge toward surface center
Reexamination Certificate
2000-04-17
2001-09-04
Wilkens, Janet M. (Department: 3636)
Horizontally supported planar surfaces
Folding
Legs pivotally converge toward surface center
C297S054000
Reexamination Certificate
active
06283046
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a piece of furniture, more particularly to a piece of furniture having foldable leg members.
2. Description of the Related Art
Pieces of furniture, such as tables, chairs, beds, desks, etc., are widely used in a house, room, office, etc. Since residential spaces are relatively small nowadays, it is desirable to reduce the storage and transport volume of furniture.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a piece of furniture that is provided a plurality of foldable leg members in order to reduce the storage and transport volume of the furniture.
According to the present invention, a piece of furniture includes a body portion, a plurality of leg members, a plurality of sleeve members, and a plurality of spring members. The body portion has a bottom side, and a plurality of projections projecting downwardly from the bottom side. Each of the leg members has an upper end connected pivotally to a distal end of a corresponding one of the projections to form a pivot joint. Each of the sleeve members is sleeved movably on the pivot joint that includes the distal end of a corresponding one of the projections and the upper end of a corresponding one of the leg members. Each of the spring members is mounted on a corresponding one of the leg members for biasing and retaining a corresponding one of the sleeve members around the pivot joint that includes the distal end of the corresponding one of the projections and the upper end of the corresponding one of the leg members, thereby preventing the leg members from turning relative to the projections.
In the preferred embodiment, each of the leg members is formed as a generally V-shaped rod that has a lower angled portion, two arm portions extending divergently from the lower angled portion, and two extension portions. Each of the extension portions extends upwardly from a distal end of a corresponding one of the arm portions, and is connected pivotally to the distal end of the corresponding one of the projections.
Preferably, each of the leg members has an abutting flange extending radially and outwardly therefrom between the corresponding one of the extension portions and the corresponding one of the arm portions. Each of the spring members is formed as a coil spring that is sleeved around the corresponding one of the extension portions and that is seated on the abutting flange of the corresponding one of the extension portions.
REFERENCES:
patent: 3033614 (1962-05-01), Pazan
patent: 5259305 (1993-11-01), Korb
patent: 5367962 (1994-11-01), Tseng
Harness & Dickey & Pierce P.L.C.
Wilkens Janet M.
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