| US 7,549,705 B2 | ||
| Chair with multiple exercising functions | ||
| Yan-Gao Man, 14310 Duvall Hill Ct., Burtonsville, Md. 20866 (US); and Guangping Gao, 2-312 TieLu Youyongchi Building, Huoju Rd., FanCheng District, Xiang Fan City, Hubei (China) | ||
| Filed on Aug. 10, 2007, as Appl. No. 11/836,831. | ||
| Claims priority of application No. 2006 2 0099687 U (CN), filed on Oct. 28, 2006. | ||
| Prior Publication US 2008/0100105 A1, May 01, 2008 | ||
| Int. Cl. A47C 1/034 (2006.01) | ||
| U.S. Cl. 297—423.21 [297/69; 297/90; 482/132; 482/142] | 2 Claims |
| 1. A multifunction office/fitness chair comprising:
a backrest wherein the backrest is connected with a footrest through a footrest connection device;
an armrest fixedly connected with the backrest;
a seat connected with the backrest through a pivot;
a pivot with a pivot handle are disposed at a side of the backrest wherein positions of the backrest and the seat are adjusted
by the pivot and the pivot handle, wherein the backrest is able to rotate 90 degrees around the pivot;
a positioning plate of the backrest is fixed to the seat;
the footrest connection device includes a moving lever and an extendable shaft, wherein one end of the moving lever is pivotally
connected with back of the backrest and another end of the moving lever is pivotally connected with the extendable shaft;
the extendable shaft is a rectangular tube and is connected with the footrest, wherein length of the extendable shaft is adjustable
according to height of an user;
a roller is disposed on a front end of the extendable shaft and is placed on the ground; and
the footrest is disposed on a front end of the extendable shaft.
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