초록 ▼

A stroller frame has a steering device, two front wheel support rods, and two front wheels. The steering device is disposed on the front wheel support rods. The steering device has a positioning device, a front base seat, a shock absorbing device, and a pair of shock absorbers. The positioning devic

A stroller frame has a steering device, two front wheel support rods, and two front wheels. The steering device is disposed on the front wheel support rods. The steering device has a positioning device, a front base seat, a shock absorbing device, and a pair of shock absorbers. The positioning device has two positioning blocks, two sleeves, and a connection bar. The front base seat has two side link devices, a center block, two front protruded blocks, a connection rod, and two lugs. Each lug is disposed on an end of the corresponding side link device. The connection rod is disposed between the lugs. The shock absorbing device is disposed between the connection bar and the center block. Each shock absorber is disposed between the corresponding sleeve and the corresponding front protruded block.

대표청구항 ▼

1. A stroller frame comprises: a steering device, two front wheel support rods, and two front wheels, the steering device is disposed on the front wheel support rods, the steering device having a positioning device, a front base seat, a shock absorbing device, and a pair of shock absorbers, th

1. A stroller frame comprises: a steering device, two front wheel support rods, and two front wheels, the steering device is disposed on the front wheel support rods, the steering device having a positioning device, a front base seat, a shock absorbing device, and a pair of shock absorbers, the positioning device having two positioning blocks disposed on the front wheel support rods, two sleeves disposed on the positioning blocks, and a connection bar connected to the positioning blocks, a pivot rod fastening the steering device and the front wheel support rods together, the front base seat having two side link devices, a center block, two front protruded blocks, a connection rod, and two lugs, each of the lugs disposed on an end of the corresponding side link device, the connection rod disposed between the lugs, a shaft passing through the front base seat, the shaft connected to the front wheels, a ball disposed on a bottom of the front base seat, a tension spring connected to the connection rod and the ball, the shock absorbing device disposed between the connection bar and the center block, and each of the shock absorbers disposed between the corresponding sleeve and the corresponding front protruded block.