Patent ID: 7810885
Filing Date: 2010-10-12
Classification: A47D

Abstract:
1. A single-hand height adjustment mechanism of a highchair, which comprises a pair of supporting tubes having a plurality of positioning holes, and a seat disposed between the supporting tubes, comprising: an operating unit disposed on the seat and provided with an operating member, and a return member connected to the operating member for returning the operating member back to an original state; and a locking unit comprising a pair of height adjustment members disposed at both sides of the seat and being capable of gliding along the supporting tubes respectively, and a pair of positioning members adjacent to the height adjustment members and respectively connected with the operating member by connecting members; wherein the return member is a gear connected with the operating member, the connecting member is connected between the gear and the positioning member, and the locking unit further comprises an elastic member for biasing the positioning member to couple with one of the positioning holes of the corresponding supporting tube.