Sheet post-processing apparatus
AssigneeNisca Corporation
InventorsKouki Sato, Koichi Kitta
Life of this patent
Estimating the term…
Abstract
A sheet post-processing apparatus includes a head portion for driving a staple into a sheet bundle and having a base portion and an attachment portion detachable from the base portion; an anvil portion arranged to face the head portion for receiving and bending the staple driven from the head portion; a head portion support member for engaging and supporting the base portion of the head portion; and an anvil portion support member for supporting the anvil portion. A moving device relatively moves the head portion, the anvil portion and the sheet bundle along surfaces of the sheet bundle placed at a stitching position between the head portion and the anvil portion.
Claims10
A sheet post-processing apparatus, comprising:
- a head portion for driving a staple into a sheet bundle and having a base portion and an attachment portion detachable from the base portion;
- an anvil portion arranged to face said head portion for receiving and bending the staple driven from the head portion;
- moving means for relatively moving said head portion, said anvil portion and said sheet bundle along surfaces of the sheet bundle placed at a stitching position between the head portion and the anvil portion, said surfaces of the sheet bundle facing the head portion and the anvil portion;
- a head portion support member for engaging and supporting the base portion of said head portion;
- an anvil portion support member for supporting said anvil portion;
- detecting means for detecting whether or not said attachment portion is attached to the base portion of the head portion;
- and
- means for inhibiting the head portion and the anvil portion from stitching according to a detecting signal from the detecting means.
A sheet post-processing apparatus, comprising:
- a head portion for driving a staple into a sheet bundle;
- an anvil portion arranged to face the head portion for receiving and bending the staple driven from the head portion, said anvil portion having a base portion and an attachment portion detachable from the base portion;
- moving means for relatively moving said head portion, said anvil portion and said sheet bundle along surfaces of the sheet bundle placed at a stitching position between said head portion and said anvil portion, surfaces of the sheet bundle facing the head portion and the anvil portion;
- a head portion support member for supporting said head portion;
- an anvil portion support member for supporting and engaging the base portion of the anvil portion;
- detecting means for detecting whether or not said attachment portion is attached to the base portion of the anvil portion;
- and
- means for inhibiting said head portion and said anvil portion from stitching according to a detecting signal from the detecting means.
An image forming apparatus, comprising:
- an image forming portion;
- a head portion for driving staples on a sheet bundle delivered in sequence from the image forming portion and stacked, and an anvil portion arranged to face the head portion for receiving and bending the staple driven from the head portion, at least one of said head portion and said anvil portion including a base portion and an attachment portion detachable from said base portion;
- moving means for relatively moving said head portion, said anvil portion and said sheet bundle along surfaces of said sheet bundle placed at a stitching position between the head portion and the anvil portion, said surfaces of the sheet bundle facing the head portion and the anvil portion;
- a head portion support member for supporting said head portion, and an anvil portion support member for supporting said anvil portion, said base portion engaging the head portion support member or anvil portion support member;
- sheet bundle feed means for feeding the sheet bundle stitched by the head portion and the anvil portion;
- an accumulating part for accumulating the sheet bundle fed by the sheet bundle feed means;
- detecting means for detecting whether or not said attachment portion is attached to the base portion;
- and
- means for inhibiting the head portion and the anvil portion from stitching according to a detecting signal from the detecting means.
Dependencies are inferred from the claim text.