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US 10,865,060 B2Granted
Stacking apparatus and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsYasuhiko Fuse, Shoichi Zensai, Takehito Osada
Life of this patent
Estimating the term…
Abstract
To enable placement of a regulating member which regulates a position of an end of a paper sheet at a desired position, and stable sheet feeding. A fixing member for standard size is guided to engage with a fixing hole for standard size and, in a state where the fixing member for standard size positions a trailing end regulator, a fixing member for non-standard size does not engage with a rack gear.
Claims12
A stacking apparatus comprising:
- a sheet stacking unit on which paper sheets are to be stacked;
- a regulating device which is provided to be movable in a first direction and a second direction opposite to the first direction relative to the sheet stacking unit, and to regulate a position of an end of a paper sheet stacked on the sheet stacking unit;
- a first engaging portion provided in the regulating device;
- a second engaging portion provided in the regulating device;
- a first portion provided in the sheet stacking unit, wherein the first portion is to be engaged with the first engaging portion and, by being engaged with the first engaging portion, positions the regulating device at a position corresponding to a paper sheet of standard size;
- and
- a second portion provided in the sheet stacking unit, wherein the second portion is to be engaged with the second engaging portion and, by being engaged with the second engaging portion, positions the regulating device at a position corresponding to a paper sheet of non-standard size,
- wherein the second portion includes a rack gear provided with a plurality of gear teeth and further includes a groove portion provided at a gap area between the plurality of gear teeth, and the groove portion has a projecting portion rising from a bottom portion of the groove portion, and
- wherein, when the first engaging portion is located within a range of a predetermined distance in the first direction or the second direction from the first portion, the regulating device is movable such that the first engaging portion engages with the first portion in a state in which the second engaging portion is lifted by the projecting portion.
6 more elements
Dependencies are inferred from the claim text.