Supports – Stand – Understructure
Patent
1994-04-22
1996-02-20
Braun, Leslie A.
Supports
Stand
Understructure
2481882, 248412, A47B 9100
Patent
active
054922933
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention is directed to a foot for a leg or supporting column of a piece of furniture of where a foot element is adjustably attached to a bracket secured to the supporting column.
There are many known bases of this type, e.g. for the supporting columns of patio tables and the like. The vertically adjustable foot part is usually formed by an adjusting screw which can be screwed into the bracket and rests on the supporting plane via a head. On the one hand, screwing and unscrewing the foot part is cumbersome; on the other hand, the screws tend to rust so that vertical adjustment of the foot part is no longer possible at all.
SUMMARY OF THE INVENTION
The object of the invention is to develop a base of the type mentioned above in such a way that vertical adjustment is simpler and more dependable.
This object is met, according to the invention, by the characterizing features of a vertically adjustable foot. The foot element is adjusted vertically in the most simple manner by pressing in a springing support member so that the locking faces are disengaged and can be displaced relative to one another so that height of the foot element with respect to the bracket can be changed in the simplest manner. Since this vertical adjustment arrangement has no threaded parts, but only locking faces serving for adjustment, the operation of the parts cannot be impaired even by rust.
An embodiment example of the invention is described in more detail in the following with reference to the drawings:
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a side elevational view of a long side of a bracket embodying the present invention;
FIG. 2 is a plan view of the bracket illustrated in FIG. 1;
FIG. 3 is an end view of the bracket from the narrow end; and
FIG. 4 is an enlarged sectional view of the bracket taken along line section IV--IV in FIG. 2.
DETAILED DESCRIPTION OF THE INVENTION
The drawings show a foot 4 fastened to a supporting column 2 which, for example, forms part of a table. This foot 4 has a bracket 6 which is connected with the supporting column 2, for example, by screws or the like which are not shown in more detail. The end of the bracket 6 remote of the supporting column 2 has a vertically adjustable foot element 8 by, which it is supported on a supporting plane 10. The bracket 6 and/or foot element 8 can be made of metal or preferably plastic. As will be seen particularly from FIG. 4, the foot element has an upper locking face 12 cooperating with a lower locking face 14 of the bracket 6. The locking faces 12, 14 are parallel to one another and are inclined at an angle .alpha. to the supporting plane 10. Each locking face has locking ribs 16, 18 which are directed transversely to the long side of the bracket and allow the locking faces to lock together in various positions.
The foot element 8 contains a recess 20 which faces upward. A flat-sided pin 22 which is screwed together with the foot element 8 from the bottom by means of a screw 24 engages in this recess 20. For this purpose, the screw projects through a bore hole 26 in the base of the recess 20 into a threaded bore hole 28 in the pin 22. The pin projects through an elongated hole 30 in the bracket 6 which extends in the long direction of the bracket and enables a displacement of the pin 22 along the bracket. The pin 22 is connected on the upper side with a supporting member 32 which is constructed as a leaf spring and has a central region 34 which is connected with the pin 22. On either side of the central region are springing side parts 36 which face toward the bracket 6 and are supported at the upper side 38 of the bracket in a resilient manner. The upper side 38 extends substantially parallel to the locking faces 12, 14. The pin 22 and the supporting member 32 are constructed in one piece and are preferably made of plastic. The distance and accordingly the pretensioning of the supporting member 32 relative to the upper side 38 of the bracket 6 can be adjusted by continued turning of the screw 24.
The vertical adjustme
REFERENCES:
patent: 3674230 (1972-07-01), Propst
patent: 3827663 (1974-08-01), Hinman
patent: 3908944 (1975-09-01), Bjork
patent: 4586727 (1986-05-01), Andrieu et al.
Braun Leslie A.
King Anita M.
Schaffner AG
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