Separation roller and sheet separating mechanism using the same
AssigneeAvision Inc.
InventorsThomas Sheng, Chia-Huei Lin
Life of this patent
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Abstract
A separation roller includes a body, a shaft assembly and two friction roller assemblies. The shaft assembly is connected to the body. The friction roller assembly is mounted on two ends of the shaft assembly and located on two sides of the body. The friction roller assembly contacts a sheet, and the body is separated from the sheet. The body provides a limiting torque to the friction roller assemblies through the shaft assembly to limit movement of the sheet. A sheet separating mechanism using the separation roller is also disclosed.
Claims18
A separation roller, comprising:
- a body;
- a shaft assembly connected to the body;
- and
- two friction roller assemblies, which are mounted on two ends of the shaft assembly and located on two sides of the body and in contact with a sheet, wherein the body is separated from the sheet, the body provides a limiting torque to the friction roller assemblies through the shaft assembly to limit movement of the sheet, the body and the shaft assembly are stationary relative to each other, the shaft assembly is rotatable relative to the friction roller assemblies, and the limiting torque is generated between the shaft assembly and the friction roller assemblies.
A sheet separating mechanism to be assembled in a housing, the sheet separating mechanism comprising:
- a separation roller, which comprises:
- a body;
- a shaft assembly connected to the body;
- and
- two friction roller assemblies mounted on two ends of the shaft assembly and located on two sides of the body, wherein the friction roller assemblies contact with a sheet;
- and
- a sheet transporting roller, which is driven to rotate by a power source and contacts with the friction roller assemblies to generate an external force, which is applied to the friction roller assemblies and tends to rotate the friction roller assemblies,
- wherein a pressure presses the separation roller in a direction toward the sheet transporting roller, the body, without touching the sheet, provides a limiting torque to the friction roller assemblies through the shaft assembly to limit movement of the sheet, the body is stationary relative to the shaft assembly, the shaft assembly is rotatable relative to the friction roller assemblies, and the limiting torque is generated between the shaft assembly and the friction roller assemblies.
Dependencies are inferred from the claim text.