Patent ID: 11953344
Assignee: FOXLINK IMAGE TECHNOLOGY CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  B | IPC G

Claim 9:
10. A dust-proof sensing device of a scanner or a printer, comprising:
a mechanical body;
a feeding path formed in the mechanical body;
a photoelectric sensor disposed above a top side of the feeding path or disposed under a bottom side of the feeding path; and
a bracket mounted above the top side of the feeding path or mounted below the bottom side of the feeding path, the bracket having
a fastening portion fastened to the mechanical body, the fastening portion having a mounting section, and an inclined section connected to an outer side or an inner side of the mounting section, the mounting section being disposed horizontally, a top surface and a bottom surface of the mounting section being parallel to a horizontal plane, the photoelectric sensor being connected to the inclined section,
a wedging portion connected between the mounting section and the inclined section, the wedging portion being fastened at a lower portion or an upper portion of the fastening portion, an inner edge of an upper surface of the inclined section of the fastening portion being intersected with a top edge of an inner surface of the wedging portion to form a clamping angle, or a rear of a lower edge of an inner surface of the wedging portion being intersected with the bottom surface of the mounting section of the fastening portion to form the clamping angle,
a light guiding holder mounted at the inclined section, and the light guiding holder being positioned below or above the photoelectric sensor, and
a light guider positioned at a bottom or a top of the light guiding holder, the photoelectric sensor being corresponding to the light guider,
wherein the horizontal plane and a center line of the photoelectric sensor form the clamping angle.