The present invention relates to a roller component having a suspension and a roller mounting rack. One end of the roller mounting rack has a cavity and is disposed inside the suspension in a sleeved manner. An articulated shaft is located inside the cavity. Two ends of the articulated shaft respectively pass through corresponding inner wall of the cavity and are connected to the suspension to make the roller mounting rack connected to the suspension in an articulated manner; a spring in a pre-compressed state is embedded in the cavity, and sleeved on the articulated shaft; the other end of the roller mounting rack is intended to mount a roller. The present invention plays a buffering and cushioning role to the roller and can raise the contact area and adhesive force of the roller with the ground surface and make the roller cling to the ground and move steadily.
Roller Component and Suitcase
2018-07-26
Patent
Electronic Resource
English