Vertically-adjustable desk structure
First Claim
1. In a vertically-adjustable desk having a flat top supported by a leg member having a fixed base portion and an adjustable top portion and means for adjusting said leg member to raise and lower said flat top comprising a driveshaft, a driven shaft, means for turning said driveshaft, an elevator screw threaded into a female screw affixed to said base portion of said leg member, and means for connecting said elevator screw to said driven shaft, whereby rotation of said driveshaft one way raises said top and rotation thereof in the other direction lowers it;
- the improvement in which the means for affixing said female screw member to the fixed portion of said leg member comprises a flat supporting plate unitarily comprising said female threaded member with the axis thereof normal thereto and horizontally-disposed, plate-supporting means affixed to the fixed base portion of said leg member, said supporting means having a transverse opening therein through which said flat supporting plate can be slid horizontally into said plate-supporting means.
2 Assignments
0 Petitions
Accused Products
Abstract
There is disclosed a desk having an adjustable top which is adjusted by means of telescoping legs. The legs are extended or contracted by means of a gearbox assembly mounted between two guided members of the telescoping legs which assembly in turn is affixed to the desk top by means of a channel member extending toward the front and parallel to the base members of the desk. The desk also has a channel provided for electrical wiring which may be opened and snapped closed, as desired.
52 Citations
13 Claims
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1. In a vertically-adjustable desk having a flat top supported by a leg member having a fixed base portion and an adjustable top portion and means for adjusting said leg member to raise and lower said flat top comprising a driveshaft, a driven shaft, means for turning said driveshaft, an elevator screw threaded into a female screw affixed to said base portion of said leg member, and means for connecting said elevator screw to said driven shaft, whereby rotation of said driveshaft one way raises said top and rotation thereof in the other direction lowers it;
- the improvement in which the means for affixing said female screw member to the fixed portion of said leg member comprises a flat supporting plate unitarily comprising said female threaded member with the axis thereof normal thereto and horizontally-disposed, plate-supporting means affixed to the fixed base portion of said leg member, said supporting means having a transverse opening therein through which said flat supporting plate can be slid horizontally into said plate-supporting means.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 12)
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8. In a vertically-adjustable desk having a flat top supported by a leg member having a fixed base portion comprising vertically-parallel, hollow post members and an adjustable top portion comprising vertically-parallel guided members vertically guided in said hollow post members and means for adjusting said leg member to raise and lower said flat top, comprising a driveshaft, a driven shaft, means for turning said driveshaft, an elevator screw threaded into a female screw affixed to said base portion of said leg member, and means for connecting said elevator screw to said driven shaft, whereby rotation of said driveshaft one way raises said top and rotation thereof in the other direction lowers it;
- the improvement in which the means for adjusting said leg member comprises a box-shaped gear housing of hard, castable plastic having front, rear, and bottom walls and opposed side walls, which side walls are rigidly affixed to the inner sides of said vertically-parallel guided members with the bottom wall normal thereto and in which said drive and driven shafts are journaled, respectively, in the side walls and bottom wall of said box-shaped housing.
- View Dependent Claims (9, 10, 11)
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13. A vertically-adjustable desk structure having adustable leg members with telescoping side cover members comprising upper members affixed to the rear side edges of the top of said desk, said upper members extending beyond the rear edge of the top of said desk thereby providing a transverse channel along the rear edge thereof, and a hinged cover member spanning said channel having a flexible member on the forward edge thereof adapted to seat on the rear edge of said desk top and being spring-biased to closed position.
Specification