Patent ID: 9113713
Filing Date: 2015-08-25
Classification: A47C

Abstract:
1. A chair comprising: a base including a first pivotal portion on an upper portion thereof, with the base further including a guiding rod in front of the first pivotal portion; a backrest; a connecting frame mounted to the backrest, with the connecting frame including a second pivotal portion pivotably connected to the first pivotal portion of the base; a seat including a rear end pivotably connected to the connecting frame and a front end; an operative frame including a rear end pivotably connected to the connecting frame and a front end, with a sliding sleeve mounted on the front end of the operative frame and mounted around the guiding rod; at least one supporting plate including a first end pivotably connected to the front end of the operative frame and a second end pivotably connected to the front end of the seat, wherein when the backrest is not moved backward, the sliding sleeve is located on a rear end of the guiding rod, and the at least one supporting plate is not in an extended position, and wherein when the backrest is moved backward, the connecting frame is actuated to move the operative frame and the seat forward, the at least one supporting plate is moved to the extended position, and the front end of the seat is moved upward by the at least one supporting plate in the extended position.