Sheet conveying device, image reading device, and image forming apparatus
First Claim
Patent Images
1. A sheet conveying device comprising:
- a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; and
a cover member that covers the pick-up roller;
whereinthe cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller such that the cover member pivots about the shaft of the pick-up roller.
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Accused Products
Abstract
A sheet conveying device such as a feed mechanism includes a pick-up roller and a cover member. The pick-up roller feeds, into an apparatus, a sheet such as a document on a placing table such as a document placing table on which the sheet is placed. The cover member such as a pick-up cover covers the pick-up roller. The cover member is supported at both ends thereof on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller.
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Citations
24 Claims
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1. A sheet conveying device comprising:
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a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; and a cover member that covers the pick-up roller;
whereinthe cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller such that the cover member pivots about the shaft of the pick-up roller. - View Dependent Claims (2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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6. An image reading device comprising:
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a document placement unit; and a conveying unit that conveys a document on the document placement unit through a document read position of a document reading unit toward a destination of conveyance, wherein the conveying unit includes; a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; and a cover member that covers the pick-up roller, wherein the cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller such that the cover member pivots about the shaft of the pick-up roller.
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7. An image forming apparatus comprising:
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an image reading unit that reads an image on a document while conveying the document, an image forming unit that forms the image read by the image reading unit on a recording material;
whereinthe image reading unit includes; a document placement unit; and a conveying unit that conveys a document on the document placement unit through a document read position of a document reading unit toward a destination of conveyance, wherein the conveying unit includes; a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; and a cover member that covers the pick-up roller, wherein the cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller such that the cover member pivots about the shaft of the pick-up roller.
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21. A sheet conveying device comprising:
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a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; and a cover member that covers the pick-up roller, wherein; the cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller, and a tip of the cover member comes into contact earlier than the pick-up roller when the pick-up roller is lowered for sheet conveyance.
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22. A sheet conveying device comprising:
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a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; a cover member that covers the pick-up roller, the cover member being supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller; a holding member that holds the pick-up roller, wherein; the holding member and the cover member are separate parts, and the holding member includes driving shaft mounting portions for being rotatably mounted on a driving shaft and pick-up mounting portions on which the pick-up roller is rotatably mounted with the shaft bearings interposed therebetween; and pick-up shaft insertion cutouts, the pick-up shaft insertion cutouts extends parallel to the document conveying direction from the pick-up mounting portions, wherein when the cover member is mounted on the shaft bearings, a tip of a rotation restricting portion is positioned at the pick-up shaft intersection cutouts.
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23. A sheet conveying device comprising:
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a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; a cover member that covers the pick-up roller, wherein; the cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller; and grooves on the shaft of the pick-up roller at outside positions where the shaft bearings are fitted.
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24. A sheet conveying device comprising:
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a pick-up roller that feeds, into an apparatus, a sheet on a placing table on which the sheet is placed; a cover member that covers the pick-up roller, wherein; the cover member is supported at both ends thereof and co-axially arranged on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller, and the cover member is provide with ribs; and a paper feeding cover, the paper feeding cover includes a plurality of ribs provided at an end on the placing table side of the paper feeding cover.
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Specification