Adjustable chair
OwnerJianbo Denginventor
Life of this patent
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Abstract
An adjustable chair, belonging to the field of office furniture, comprising a base frame. A chair back is disposed at the rear end of the base frame. A lifting assembly is disposed on the base frame and provided with a seat, and comprises a bottom frame and a top frame formed with sliding slots. The seat is disposed on the top frame and the seat angle can be adjusted. By adjusting the height of the chair through the lifting assembly and adjusting the rotation angle of the seat, users not only can stand and lean against the chair, but also can normally sit on the chair.
Claims8
An adjustable chair, comprising a base frame (1), a chair back (100) being disposed at a rear end of the base frame (1), a lifting assembly being disposed on the base frame (1), a seat (101) capable of vertically rotating being disposed on the lifting assembly, wherein the lifting assembly comprises a bottom frame (3) and a top frame (4) which are both formed with sliding slots (300), the seat (101) is disposed on the top frame (4), the chair back (100) is disposed on the bottom frame (3), at least two cross connecting rod assemblies (5) are disposed between the bottom frame (3) and the top frame (4), cross connecting rods (51) of the cross connecting rod assemblies (5) are connected through shafts, two ends of one said cross connecting rod (51) of each said cross connecting rod assembly (5) are respectively hinged and fixed to the bottom frame (3) and the top frame (4), and two ends of another said cross connecting rod (51) of each said cross connecting rod assembly (5) slide along the corresponding sliding slot (300) in the bottom frame (3) or the top frame (4);
- wherein clamping strips (52) are hinged between the cross connecting rods (51) of the adjacent cross connecting rod assemblies (5) and are disposed on the cross connecting rods (51) located on sliding blocks;
- strip-shaped clamping grooves (30) which are distributed in a linear array are formed in the bottom frame (3), and the clamping strips (52) are clamped in the strip-shaped clamping grooves (30).
Dependencies are inferred from the claim text.