Patent ID: 6557940
Filing Date: 2003-05-06
Classification: A61G,Y10S

Abstract:
A chair for assisting rising movement formed of a reclining block with a seat surface and a backrest that can be tilted in a rearward direction, a mount base block that is placed on a floor surface, and an intermediate base block provided between these blocks, comprising:a first link for connecting the reclining block to a rear end portion of the intermediate base block in a freely rotating manner; a second link for connecting a front portion of the mount base block to a front end portion of the intermediate base block in a freely rotating manner; a third link for connecting a rear portion of the mount base block to the rear end portion of the intermediate base block in a freely rotating manner; a reclining movement mechanism for moving the backrest from a stationary position to a rearward tilted condition through rotation of the first link; and a rising movement mechanism for raising the seat surface of the reclining block from a stationary position to a specified height via the intermediate base block through rotation of the second link and the third link.