That turn over waist exercise combined use chair

摘要

The present design relates to a chair (chair), including also offices and more particularly to a simple chair features in addition to the back while sitting on the seat through an operation to be pivot or raise added artificial force back jeothim (back kkeokgi) movement easily, and another to provide a back seat jeothim movement combine to constantly adjust the backrest angle can be taken when necessary, such as a bed, lying comfortably cheoreum Simple relaxation.; This is designed to do this, the frame 10 and; The height-adjustable relative to the frame (10) are provided to enable, and also the sheet 20 movement is possibly fitted integrally; The sheet 20 is one end of the fixed support and the arms support 32, which stand 31 for supporting the arm is secured and during back movement with respect to the arm supporting the handle (33) bent to take naturally having to an arm supporting portion 30 and; The sheet 20 to be distinct from the operation to fold back panel is fixed by the folding back means (50) supporting the back (40) and; The sheet 20 the order to support a stable manner at a constant height relative to the ground and raise the front perception axis (62 securely fixed becomes with respect to the front end portion of the frame 10, the front perception provided with a caster (63, 60 ) and; as soon yuseol to the frame (10) folded back perception shaft 72 allows for the rear end in order to support stably the sheet 20 together with the front crust 60 at the same height relative to the ground At the same time the castors 73, a back provided with a crust (70) and; connected to the first and second connecting shafts 81 and 82 between itself and the rear crust 70 and the support means 50 of the backrest the support is usually include the backrest 40 are erected reliably stretching, and at the same time the center axis 12 of the frame 10 when jeothim of the backrest 40 with respect to the second coupling shaft 82 parts must be inclined so that the lever acts in the pulling force and at the same time the Such that the front crust 60 by a predetermined distance folding movement inwards by about the rear perception shaft 72 of the frame 10, the rear surface crust (70) corresponding to the provided to the front end of the frame 10 to be used listen be It consists of a prop (80) for pushing.