Patent ID: 7029071
Filing Date: 2006-04-18
Classification: A47C

Abstract:
1. A chair comprising: a seat; and an armrest assembly mounted adjacent said seat, said armrest assembly including a tube movably secured to an upright and an armpad secured to said tube, said armrest assembly further including a ratchet assembly for adjusting a height of said tube with respect to said upright, said ratchet assembly including a plunger reciprocally carried by said tube and a plurality of notches defined by said upright, said ratchet assembly further including a biasing means for biasing said plunger into engagement with said notches, wherein one of said plunger and said plurality of notches includes an engagement surface shaped so that the plunger automatically reciprocates into and out from the notches when a user moves the armpad away from the upright, whereby a height of the armpad is adjusted.