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1. (WO2018099139) CHAIR BACK ANGLE ADJUSTING DEVICE AND BABY CHAIR

Pub. No.:    WO/2018/099139    International Application No.:    PCT/CN2017/097600
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Aug 17 01:59:59 CEST 2017
IPC: A47D 1/00
Applicants: WELLEON PRODUCTS LIMITED
华安立高文具制品(深圳)有限公司
Inventors: GUO, Peimin
郭沛民
Title: CHAIR BACK ANGLE ADJUSTING DEVICE AND BABY CHAIR
Abstract:
A chair back angle adjusting device and a baby chair. The chair back angle adjusting device comprises a housing (10) which may be movably mounted on a chair back (2); a connecting rod (20) movably connected between the housing (10) and a chair seat (1); a bolt (30) disposed in the internal accommodating space of the housing (10) and capable of moving between a first position and a second position in a reciprocating manner, a first end of the bolt (30) being provided with a locking part (31); an unlocking key (40) disposed at one side of the housing (10) and fitted with the bolt (30); and a safety key (50), opposite to the unlocking key (40), disposed at the other side of the housing (10) and fitted with the bolt (30). When the bolt (30) is at the first position, the locking part (31) of the bolt (30) stretches out of the housing (10) and is fitted onto the chair back (2); the unlocking key (40) is positioned in a direction away from the bolt (30); the safety key (50) and the bolt (30) are in interference to limit the movement of the bolt (30); when the bolt (30) is at the second position, the locking part (31) of the bolt (30) is moved from the chair back (2); the safety key (50) staggers to remove the limiting to the bolt (30); and the unlocking key (40) is fitted onto one side of the bolt (30) and is close to the safety key (50). The chair back angle adjusting device achieves chair back angle adjustment and locking; and operation is simple, safe and reliable.