Chair chassis
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 2, 2015
Issued Date -
N/A
app pub date -
Jun 17, 2012
filing date -
Sep 15, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A chair chassis, comprising a chassis pedestal, a left and a right connecting rod for back, a seat supporting frame, an adjusting handle, the adjusting handle comprises an adjusting screw rod. On the adjusting screw rod exists a locating block for mounting handle and, the first pulling line and the second pulling line are wrapped around it, the two pulling lines are respectively used to lock or unlock the tilting angle of the back and to lock or unlock the position of the supporting frame; the adjusting handle also comprises a block for the pulling line, which is connected with the third pulling line, and the block for the pulling line is connected with the adjusting screw rod and can relatively slide on it. The invention is multi-functioned with the action of only one adjusting handle, and the structure of the invention is compact, and it is convenient to operate.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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