Provided is a vehicle speed control device with respect to which the speed at which a centrifugal brake operates can be easily changed from the outside without disassembling the device. A brake drum 11 is fixed to a vehicle body 101a. A brake shoe 23 rotat...

The walker (G1) has wheels which are spring-loaded and leaf springs (B1,B2), where the leaf springs are arranged to the inner side of the walker or to the outer side of the walker. The walker has front wheels (VR1) and rear wheels (HR1), where the front wh...