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US 5,666,595 AGranted
Image forming apparatus with locking mechanism for detachable feeder unit
AssigneeCanon Kabushiki Kaisha
InventorsTakao Sameshima, Yutaka Kikuchi, Kazuaki Takahashi
Life of this patent
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Abstract
An image forming apparatus has an apparatus body and an optional cassette feeder unit which is detachably mounted on the apparatus body. The optional cassette feeder unit stores sheets and feeds sheets to the image forming section of the body. The image forming apparatus is provided with locking sections which engage with leg sections provided at the lower surface of the apparatus body in order to connect the body to the optional cassette feeder unit.
Claims14
An image forming apparatus comprising:
- an apparatus body, said body including image forming means for forming an image on a sheet and having leg sections on a bottom surface thereof;
- a feeder unit detachably mounted under said apparatus body and storing sheets for supply to said image forming means;
- positioning means for positioning said apparatus body against said feeder unit, said positioning means comprising positioning holes provided on said leg sections and positioning pins provided on said feeder unit, and wherein said apparatus body is aligned with said feeder unit by fitting said positioning pins in the positioning holes;
- locking means for connecting said apparatus body to said feeder unit, said locking means comprising through holes passing through said leg sections and said positioning pins, and securing pins insertable into said through holes for connecting said apparatus body to said feeder unit;
- and
- rotation-preventing means for preventing said securing pins from rotating in said through holes.
3 more elements
An image forming apparatus comprising:
- an apparatus body, said body including image forming means for forming an image on a sheet and having leg sections on a bottom surface thereof;
- a feeder unit detachably mounted under said apparatus body and storing sheets for supply to said image forming means;
- locking means for connecting said apparatus body and said feeder unit, said locking means comprising through holes passing through said leg sections, protrusive members provided on said feeder unit and securing pins insertable into said through holes for connecting said apparatus body to said feeder unit;
- and
- rotation-preventing means for preventing said securing pins from rotating in said through holes.
2 more elements
An image forming apparatus comprising:
- an apparatus body, said body including image forming means for forming an image on a sheet and having leg sections on a bottom surface thereof;
- a feeder unit detachably mounted under said apparatus body and storing sheets for supply to said image forming means;
- locking means for connecting said-apparatus body and said feeder unit;
- and
- floating connectors for transferring an electrical signal between said apparatus body and said feeder unit, said floating connectors being disposed between the bottom surface of said leg section of said apparatus body and an upper surface of said feeder unit.
2 more elements
An image forming apparatus comprising:
- an apparatus body, said body including image forming means for forming an image on a sheet;
- a feeder unit detachably mounted under said apparatus body and storing sheets for supply to said image forming means;
- positioning means for positioning said apparatus body against said feeder unit, said positioning means comprising first positioning members protruded from an underside of said apparatus body and second positioning members protruded from an upperside of said feeder unit, wherein said feeder unit is positioned to said apparatus body by engaging said first and second positioning members;
- locking means for connecting said apparatus body and said feeder unit, said locking means comprising through holes passing through said first and second positioning members and securing pins insertable into said through holes;
- and
- rotation-prevention means for preventing said securing pins from rotating in said through holes.
3 more elements
Dependencies are inferred from the claim text.