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US 6,598,873 B2Granted
Paper feeder
AssigneePanasonic Communications Co., Ltd.
InventorsMasahiro Takisawa, Takahisa Araki
Life of this patent
Estimating the term…
Abstract
A pickup roller is movable in a vertical direction and pulls out papers to the paper feed rollers, is provided. The pickup roller moves down towards the papers stacked on the paper tray. A front edge alignment member that aligns the front edge of the papers and a stopper that controls rotation of the front edge alignment member engages the front edge alignment member. A stopper release member pivots the stopper to release it from the front edge alignment member in synchronization to the up and down movement of the pickup roller.
Claims12
A paper feeder comprising:
- a pickup roller movable in a vertical direction, said pickup roller moving down to a top sheet of a stack of paper and advancing a sheet to a paper feed roller;
- two pivotably mounted front edge alignment members that align a front edge of the advancing sheet, said two front edge alignment members being independent of each other;
- two pivotably mounted stoppers that engage said front edge alignment members to restrict pivoting of said front edge alignment members, said two stoppers being coupled together;
- and
- a stopper release member that pivots said stoppers in association with downward movement of said pickup roller in order to release said stoppers from said front edge alignment member, wherein said front edge alignment members and said stoppers are configured to be installable from a top side of the paper feeder.
2 more elements
A paper feeder comprising:
- a pickup roller movable in a vertical direction, said pickup roller moving down to a top sheet of a stack of paper and advancing a sheet to a paper feed roller;
- a pivotably mounted front edge alignment member that aligns a front edge of the advancing sheet, said front edge alignment member comprising a first arm and a second arm that extend in opposite directions from a pivot of said front edge alignment member;
- a pivotably mounted stopper that engages said front edge alignment member to restrict pivoting of said front edge alignment member, said stopper comprising a first arm and a second arm that extend in opposite directions from a pivot of said stopper;
- and
- a stopper release member that pivots said stopper in association with downward movement of said pickup roller in order to release said stopper from said front edge alignment member.
2 more elements
Dependencies are inferred from the claim text.