| 摘要 |
A stroller back support includes a back plank 1 an adjusting assembly 2, and fixing members 3; the adjusting assembly includes two support rods 23 and connecting plates 24 each pivoted to the back plank and a respective support rod, a fixing post 28 secured to each support rod, a guide piece 21 fitted on and movable along the back plank, and moving elements 25 joined to the guide piece; each fixing member has a groove 32; the moving elements are connected to the fixing members such that they will cause motion of the fixing members when moving; the fixing posts are received in respective grooves and capable of moving between a disengaged position, and an engaged one, in which position the fixing posts engage the fixing members; thus, by moving the moving elements, the fixing members can be moved so as to disengage the fixing posts for allowing the back plank to be angularly displaced to adjust position. The adjustment mechanism is operated by a user pulling upwards on a handle 221 at the upper end of the guide piece 21. |
