Claims
- 1. A method of making a chair base having a seat mounting means and multiple legs secured thereto and radiating therefrom, said method comprising the steps of:
- forming a plurality of straps, each strap having a quarter sine wave shape in a single plane;
- securing pairs of said straps to the seat mounting means in vertical parallel configuration and open at top and bottom portions thereof; and
- coating at least a portion of said straps and said seat mounting means with a coating of sufficient thickness to conceal surface imperfections therein and to provide an aesthetic finish.
- 2. A method of making a chair base according to claim 1 wherein said straps are formed from low-carbon steel.
- 3. A method of making a chair base according to claim 1 wherein said pairs of straps are secured to said seat mounting means by welding and said coating covers the welds.
- 4. A method of making a chair base according to claim 1 and further comprising the step of heating the legs and the seat mounting means before the coating step.
- 5. A method of making a chair base according to claim 1 and further comprising the step of securing a caster mounting means to an outer portion of said legs prior to the coating step.
- 6. A chair base adapted for supporting a seat upon a supporting surface comprising a seat mounting means, a plurality of legs fixed to the seat mounting means and radiating therefrom, each leg extending outwardly and downwardly from the seat mounting means and formed by a pair of straps spaced apart in parallel configuration, each strap being oriented vertically relative to the support surface, formed of a low-carbon steel stamping and welded at one end thereof to the seat mounting means, said seat mounting means and said legs having a coating of sufficient thickness to conceal the welds and surface imperfections therein.
- 7. A chair base according to claim 6 wherein said seat mounting means comprises a hub formed of tubular steel.
- 8. A chair base according to claim 6 wherein the straps are formed substantially in the shape of a one-quarter sine wave.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of application Ser. No. 205,308 filed on Jun. 10, 1988, abandoned.
US Referenced Citations (23)
Foreign Referenced Citations (2)
Number |
Date |
Country |
226 |
Jan 1856 |
GBX |
1209755 |
Oct 1970 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
205308 |
Jun 1988 |
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