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US 6,685,271 B1Granted
Chair support device having movable foot pedal
OwnerHorng Jiun Changinventor
Life of this patent
Estimating the term…
Abstract
A chair support device includes a frame having a rear portion pivotally secured to a front portion of a base and movable relative to the base between a downward folding position and a working position. A foot pedal is slidably supported on the frame and movable forwardly and rearwardly relative to the frame. A rotating device may rotate the frame between the downward folding position and the working position, to move the foot pedal forwardly relative to the frame when the frame is rotated toward the working position, in order to comfortably support the feet of the users.
Claims4
A chair support device comprising:
- a base including a front portion and a lower portion,
- a frame including a rear portion pivotally secured to said front portion of said base with a pivot axle, and movable relative to said base between a downward folding position and a working position,
- a foot pedal slidably supported on said frame and movable forwardly and rearwardly relative to said frame, and
- means for rotating said frame between said downward folding position and said working position, to move said foot pedal forwardly relative to said frame when said frame is rotated toward said working position, and to move said foot pedal rearwardly relative to said frame when said frame is rotated toward said downward folding position, said rotating means further including a lever having a first end pivotally secured to said base and having a second end, and means for coupling said lever to said foot pedal, said coupling means including a link having a middle portion pivotally secured to said base, and having a first end pivotally secured to said second end of said lever, and having a second end coupled to said foot pedal.
1 more element
Dependencies are inferred from the claim text.