Horizontally supported planar surfaces – Power driven
Patent
1996-10-01
1998-02-10
Cuomo, Peter M.
Horizontally supported planar surfaces
Power driven
108147, A47B 8500
Patent
active
057157596
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an apparatus for setting furniture in variable elevated positions, which supports furniture and provides a means through which the furniture's vertical position may be adjusted as desired.
2. Description of the Prior Art
Indoor furniture, such as desks, tables, counters, etc., take up much interior space in areas such as bedrooms, living rooms, kitchens, etc. To reduce the amount of space required for such furniture, folding or sliding furniture have been proposed. However, practical considerations make difficult the conversion of furniture into folding or sliding configurations. Further, even if furniture is designed to fold or slide, the amount of space required for such furniture is not greatly reduced.
SUMMARY OF THE INVENTION
To solve the above problems, the present invention proposes fixing the vertical position of the furniture near the floor when in use, and to elevate the vertical position of the furniture toward the ceiling when not in use. Thus, when the furniture is not being used, the available floor space is greatly increased.
Thus, the purpose of the present invention is to provide an apparatus for the fixation and variation in vertical elevation of the position of furniture, at and between a lower position at which the furniture may be used and an upper position for when the furniture is not being used.
Another purpose of the present invention is to provide an apparatus for setting furniture which has a guide means for stabilizing the furniture during the vertical movement of the furniture.
Another purpose of the present invention is to provide an apparatus for setting furniture which provides for vertical motion of the furniture by means of an electric motor.
The above purposes are accomplished by the apparatus for setting furniture in variable elevated positions of the present invention. The apparatus comprises a vertical rail secured to the interior wall surface, elevating means which includes means for securing the furniture and provides for an elevating motion along said rail, and means to drive said elevating means vertically.
According to one embodiment, the furniture setting apparatus of the present invention is comprised of a rail which is secured to the interior wall and which includes multiple fixed pulleys on the upper portions; an elevating member which includes a movable pulley and which may be moved along said rail; an outlet pulley which is secured on the outside of said rail at the same height as the fixed pulley on the upper portion of said rail; a rope which is wrapped around said outlet pulley, fixed pulley, and movable pulley, so that said movable pulley may be elevated correspondingly with said fixed pulley; where said rail has a rectangular cross-section and has grooves formed lengthwise along its front side and rear side; and where said elevating member has a guide and a roller which may be guided along and which are inserted in said rail grooves, and a supporting member which can secure the furniture at fixed positions at the front and back of the supporting member. Therefore, the user can pull or release said rope to operate the elevating means and the furniture, which is supported by the elevating means, also moves vertically.
According to another embodiment of the present invention, the fixed pulleys are replaced with pulley sets which are comprised of two unit pulleys and the movable pulley in the elevating means is comprised of three unit pulleys respectively, so that the elevating means, which is secured to the furniture, may be easily elevated with little force.
According to another embodiment of the present invention, the elevating means is provided at its rear with a guide and a roller, where said guide is mounted above the movable pulley and inserted into the groove formed between the front panels of the rail so as to guide the elevating motion of the elevating means, said roller is mounted below the movable pulley and inserted into the groove formed in the rear panel of th
REFERENCES:
patent: 3304892 (1967-02-01), Bengton
patent: 3820176 (1974-06-01), Feiertag
patent: 4619208 (1986-10-01), Kurrasch
Anderson Gerald A.
Cuomo Peter M.
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