Dentist's chair with seat, armrest and back - has back adjustable in height and armrest which pivots on vertical axis

摘要

The chair, esp. for dentists, consists of a seat (2) mounted on a support (1). The chair has an arm rest (13) extending horizontally a little above the seat (2). The armrest (3) can pivot on a vertical axis and is curved like the outer shape of the side of the seat (2). Between the seat (2) and the armrest (3) is the back (14). The bottom end of the back (14) is on a level with the top edge of the seat (2), or is a little above it. The height of the back can be adjusted in relation to the seat (2). The back (14) can be locked in position to as not to rotate on a vertical axis in relation to the seat (2), or it can turn at the same time as the seat. The back (14) is mounted on the vertical arm (16) of a support bar (17) which is L shaped. The horizontal arm (18) of the L is fixed onto the underneath side of the seat.