Roller device
AssigneePem (China) Co., Ltd.
InventorsXiaoming CHEN, Zhiqiang HUANG, Wei XING, Dapeng DUAN
Life of this patent
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Abstract
This application relates to a roller device. The device comprises: a roller; and a roller axle, the roller axle comprises: an axle portion configured to mount the roller such that the roller is rotatable about the axle portion; and a riveting portion at a mounting end of the roller axle with respect to an axial direction of the roller axle, and extending from the mounting end in a direction away from the axle portion, wherein, when the roller device is pressed against a carrier under force, the riveting portion can pierce the carrier such that the roller axle is riveted with the carrier through the riveting portion.
Claims14
A roller device, the device comprising:
- a roller;
- and
- a roller axle, the roller axle comprising:
- an axle portion configured to mount the roller such that the roller is rotatable about the axle portion;
- and
- a riveting portion at a mounting end of the roller axle with respect to an axial direction of the roller axle, and extending from the mounting end in a direction away from the axle portion, wherein, when the roller device is pressed against a carrier under force, the riveting portion can pierce the carrier such that the roller axle is riveted with the carrier through the riveting portion.
Dependencies are inferred from the claim text.