Roller assembly
AssigneeFivetech Technology Inc.
InventorTing-Jui Wang
Life of this patent
Estimating the term…
Abstract
A roller assembly includes a roller having an axial hole and an axle portion disposed in the axial hole to allow the roller to rotate about the axle portion; a sleeve with a first end disposed at a first end of the axle portion and a second end having a fitting portion, the fitting portion being fitted to a carried object, the sleeve has a first blocking portion positioned proximate to a first side of the roller to allow the roller to rotate between the first blocking portion and the fitting portion, wherein one of the axle portion, the axial hole and the first blocking portion has a substance conducive to reduction of friction between the roller and the sleeve.
Claims7
A roller assembly, the assembly comprising:
- a roller having an axial hole;
- an axle portion being disposed in the axial hole to allow the cylindrical portion to rotate about the axle portion;
- and
- a sleeve with a first end disposed at a first end of the axle portion and a second end having a fitting portion, the fitting portion being configured to fit to a carried object having a weight, a second end of the axle portion having a first blocking portion positioned proximate to a first side of the roller and a whole width of the roller that is less than a distance between the first blocking portion and said first end of the sleeve to allow the roller to rotate between the first blocking portion and the fitting portion, wherein one of the axle portion, the axial hole and the first blocking portion has a substance conducive to reduction of friction between the roller and the sleeve.
Dependencies are inferred from the claim text.