Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chuen-Jong Tseng0
Date of Patent
September 25, 2007
0Patent Application Number
115843650
Date Filed
October 20, 2006
0Patent Primary Examiner
Patent abstract
A foldable chair includes: a seat supporting frame; a first pivot-pin unit; a first link-plate unit pivoted to the seat supporting frame through the first pivot-pin unit; a pivot joint unit; a backrest pivoted to the first link-plate unit through the pivot joint unit; an armrest unit pivoted to the backrest; a front leg unit pivoted to the seat supporting frame and the armrest unit; a second link-plate unit pivoted to the pivot joint unit; a second pivot-pin unit; a rear leg unit pivoted to the armrest unit and further pivoted to the second link-plate unit through the second pivot-pin unit; a third pivot-pin unit; and a lock-plate unit pivoted to the rear leg unit through the third pivot-pin unit.
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