Abstract: A guide portion guides a binding unit in a first direction and a second direction. The guide portion includes a pair of first wall portions, a pair of second wall portions, a pair of third wall portions, and a restricting portion. A first protrusion is engageable between the pair of first wall portions and between the pair of second wall portions. A second protrusion is disposed upstream of the first protrusion in the first direction, and is engageable with the pair of first wall portions and the pair of third wall portions. The restricting portion restricts entry of the first protrusion from between the pair of first wall portions to between the pair of third wall portions and permits entry of the second protrusion from between the pair of first wall portions to between the pair of third wall portions.

Abstract: A paper-made staple binds a sheet bundle subjected to folding processing by a folding blade and a folding roller. The paper-made staple includes a pair of leg portions inserted into the sheet bundle and then bent inward; and a connection portion that connects the leg portions in a staple longitudinal direction. The connection portion has, at an edge portion thereof, a cut in a direction crossing the longitudinal direction so as to correspond to a predetermined folding position of the sheet bundle for the purpose of facilitating the folding of the connection portion, and the cut is formed inward from the edge portion so as to have a substantially triangular shape and is provided on both edge portions of the connection portion of the paper-made staple.

Abstract: A pencil cutting tool 1 comprising a recess forming part 10 for boring a connecting recess 52 in an end face 51 of a pencil 50, wherein the recess forming part 10 comprises a main body 11 having a cylindrical insertion hole 12 for insertion of an end of the pencil 50 and a boring blade 40 disposed inside the insertion hole 12 so as to come into contact with the end face 41 of the pencil 50, the boring blade 40 has a semicircular cross section and a flat surface 40a extending along the axial line of the insertion hole 12, and the main body 11 has a discharge part 13 that is formed so as to face the flat surface 40a to discharge shavings from the insertion hole 12.

Abstract: A sheet post-processing device includes a conveying section that conveys a paper sheet; a punch section that punches punch holes in the paper sheet conveyed by the conveying section; a stacker section that stores the paper sheet in which the punch holes are punched by the punch section; a binding section that binds a paper sheet bundle stored in the stacker section with a binding member; and a controller that controls the above sections. The controller selectively performs a ring binding mode and a direct binding mode. The ring binding mode is a mode in which punch holes are punched in the paper sheet by the punch section and then the binding member is made to penetrate the punch holes for binding. The direct binding mode is a mode in which the binding member is directly driven into the paper sheet bundle without punching the punch holes in the sheet.

Abstract: A sheet processing device performs saddle stitching binding a bundle of stacked paper sheets, and includes a stacker section temporarily stacking conveyed paper sheets substantially vertically; a stopper regulating the paper sheets stacked in the stacker section; a first binding section provided in the stacker and saddle-stitching a paper sheet bundle regulated by the stopper at a binding position around a center of the paper sheet bundle in a sheet conveying direction; a folding section folding in half the paper sheet bundle regulated by the stopper; and a conveying section conveying the paper sheet bundle that has been folded in half by the folding section with a back side of the folded paper sheet bundle as a leading end in the conveying direction. The conveying section includes a second binding section binding the folded paper sheet bundle at the back side thereof.

Abstract: A sheet processing device performs saddle stitching binding a bundle of stacked paper sheets, and includes a stacker section temporarily stacking conveyed paper sheets substantially vertically; a stopper regulating the paper sheets stacked in the stacker section; a first binding section provided in the stacker and saddle-stitching, with a metallic staple, a paper sheet bundle regulated by the stopper at a binding position around a center of the paper sheet bundle in a sheet conveying direction; a second binding section saddle-stitching, without using the metallic staple, the paper sheet bundle being regulated by the stopper at the binding position around the center of the paper sheet bundle in the sheet conveying direction; and a folding section folding in half the paper sheet bundle regulated by the stopper at a folding position at which the paper sheet bundle is bound by the first binding section or second binding section.

Abstract: A pencil cutting tool 1 comprising a recess forming part 10 for boring a connecting recess 52 in an end face 51 of a pencil 50, wherein the recess forming part 10 comprises a main body 11 having a cylindrical insertion hole 12 for insertion of an end of the pencil 50 and a boring blade 40 disposed inside the insertion hole 12 so as to come into contact with the end face 41 of the pencil 50, the boring blade 40 has a semicircular cross section and a flat surface 40a extending along the axial line of the insertion hole 12, and the main body 11 has a discharge part 13 that is formed so as to face the flat surface 40a to discharge shavings from the insertion hole 12.

Abstract: An object of the present invention is to provide a technique with which an amount of reducing agent adsorbed to a selective reduction type NOx catalyst provided in an exhaust passage of an internal combustion engine can be controlled to a target adsorption amount. In an exhaust gas purification system for an internal combustion engine according to the present invention, when a reducing agent adsorption amount adsorbed on a selective reduction type NOx catalyst is held at a target adsorption amount, a reducing agent supply amount supplied from a supply apparatus per unit time is controlled to an amount obtained by adding a predetermined amount to a reduction consumption amount, which is an amount of reducing agent consumed per unit time by the selective reduction type NOx catalyst for NOx reduction.

Abstract: A sheet post-processing device includes a conveying section that conveys a paper sheet; a punch section that punches punch holes in the paper sheet conveyed by the conveying section; a stacker section that stores the paper sheet in which the punch holes are punched by the punch section; a binding section that binds a paper sheet bundle stored in the stacker section with a binding member; and a controller that controls the above sections. The controller selectively performs a ring binding mode and a direct binding mode. The ring binding mode is a mode in which punch holes are punched in the paper sheet by the punch section and then the binding member is made to penetrate the punch holes for binding. The direct binding mode is a mode in which the binding member is directly driven into the paper sheet bundle without punching the punch holes in the sheet.

Abstract: A sheet post-processing device includes a conveying section that conveys the paper sheet, a punch section that punches punch holes in the paper sheet conveyed by the conveying section, a stacker section that stores the paper sheet in which the punch holes are punched by the punch section, a stopper section that regulates a conveying direction leading end of the paper sheet stored in the stacker section; a binding section that binds the paper sheet bundle whose leading end is regulated by the stacker section, and a folding section that folds the paper sheet bundle bound by the binding section at a predetermined folding position. The punch section punches the punch holes at the front and rear of the folding position in the sheet conveying direction, and the binding section binds the paper sheet bundle with a paper-made staple by making the paper-made staple penetrate the punch holes.

Abstract: A paper-made staple binds a sheet bundle subjected to folding processing by a folding blade and a folding roller. The paper-made staple includes a pair of leg portions inserted into the sheet bundle and then bent inward; and a connection portion that connects the leg portions in a staple longitudinal direction. The connection portion has, at an edge portion thereof, a cut in a direction crossing the longitudinal direction so as to correspond to a predetermined folding position of the sheet bundle for the purpose of facilitating the folding of the connection portion, and the cut is formed inward from the edge portion so as to have a substantially triangular shape and is provided on both edge portions of the connection portion of the paper-made staple.

Abstract: A sheet post-processing device includes a stacker section that temporarily stores paper sheets as a paper sheet bundle, a stopper that regulates a carrying-in direction leading end of the paper sheet carried into the stacker section, a binding section that binds the paper sheet bundle regulated in position by the stopper, and folding rollers and a folding blade that perform folding processing for the sheet bundle bound by the binding section at a predetermined folding position of the paper sheet bundle. The binding section binds the paper sheet bundle with a paper-made staple. The stopper sets a position of the paper sheet bundle such that a binding position of the paper-made staple straddles the predetermined folding position. With this configuration, there can be provided a sheet-post processing device capable of folding the staple together with the paper sheet bundle.

Abstract: A sheet processing device performs saddle stitching binding a bundle of stacked paper sheets, and includes a stacker section temporarily stacking conveyed paper sheets substantially vertically; a stopper regulating the paper sheets stacked in the stacker section; a first binding section provided in the stacker and saddle-stitching a paper sheet bundle regulated by the stopper at a binding position around a center of the paper sheet bundle in a sheet conveying direction; a folding section folding in half the paper sheet bundle regulated by the stopper; and a conveying section conveying the paper sheet bundle that has been folded in half by the folding section with a back side of the folded paper sheet bundle as a leading end in the conveying direction. The conveying section includes a second binding section binding the folded paper sheet bundle at the back side thereof.

Abstract: A sheet processing device performs saddle stitching binding a bundle of stacked paper sheets, and includes a stacker section temporarily stacking conveyed paper sheets substantially vertically; a stopper regulating the paper sheets stacked in the stacker section; a first binding section provided in the stacker and saddle-stitching, with a metallic staple, a paper sheet bundle regulated by the stopper at a binding position around a center of the paper sheet bundle in a sheet conveying direction; a second binding section saddle-stitching, without using the metallic staple, the paper sheet bundle being regulated by the stopper at the binding position around the center of the paper sheet bundle in the sheet conveying direction; and a folding section folding in half the paper sheet bundle regulated by the stopper at a folding position at which the paper sheet bundle is bound by the first binding section or second binding section.

Abstract: To provide a sheet processing device that performs saddle stitching processing that binds a bundle of stacked paper sheets at a position around a center thereof and then folds in half the paper sheet bundle at the binding portion, the device being capable of selectively performing both saddle stitching using a metallic staple and saddle stitching not using the metallic staple for environmental protection and capable of reducing a size.

Abstract: A sheet supply device includes a sheet supply tray, a delivery roller contacting a topmost surface of a sheet bundle on the sheet supply tray to deliver the sheet, and separation means feeding the sheet delivered by the delivery roller one by one in a separated manner. The sheet supply device further includes an elevating tray freely elevated/lowered to support a leading end side of the sheet bundle placed on the sheet supply tray and to move the topmost surface of the sheet bundle to a delivery position, a first drive section elevating/lowering the elevating tray, a second drive section elevating/lowering the delivery roller, and a controller controlling the first and second drive sections to elevate the elevating tray until the topmost surface of the sheet bundle reaches the delivery position and thereafter lower the delivery roller to a position contacting the topmost surface of the sheet bundle.

Abstract: A document reading device is capable of facilitating attachment/detachment of a reading unit provided inside a U-shaped document conveying path formed in a document conveying device. The document reading device includes a U-shaped document conveying path extending from a sheet supply tray to a sheet discharge tray through a reading section and a reading unit disposed inside the U-shaped document conveying path, a downstream part of the sheet supply tray on which a document is placed and a guide member provided upstream of the document conveying path to continue from the sheet supply tray and is arranged to be attachable/detachable with respect to the sheet supply tray or document conveying path. The reading unit is removable from inside the U-shaped document conveying path through an opening through which the downstream part of the sheet supply tray and guide member of the document conveying path are removed.

Abstract: To estimate an amount of reducing agent adsorbed to a selective reduction type NOx catalyst with a higher degree of precision, an amount of variation over a predetermined time in a reducing agent amount adsorbed to a selective reduction type NOx catalyst is calculated from an upper limit value of a reducing agent amount that is adsorbed to the selective reduction type NOx catalyst when the reducing agent is supplied continuously by a supply unit, which is calculated on the basis of a temperature of the selective reduction type NOx catalyst, and the reducing agent amount adsorbed to the selective reduction type NOx catalyst, whereupon a reducing agent amount adsorbed to the selective reduction type NOx catalyst following the elapse of the predetermined time is estimated by adding the variation amount to the reducing agent amount adsorbed to the selective reduction type NOx catalyst.

Abstract: To estimate an amount of reducing agent adsorbed to a selective reduction type NOx catalyst with a higher degree of precision while maintaining a condition in which NOx can be purified by the selective reduction type NOx catalyst, the present invention includes: an upper limit value calculation unit that calculates an upper limit value of a reducing agent amount that is adsorbed to the selective reduction type NOx catalyst when the reducing agent is supplied continuously during a steady state operation in an internal combust ion engine; and an estimation unit that estimates an upper limit value calculated by the upper limit value calculation unit when the reducing agent is supplied for at least a predetermined time during the steady state operation in the internal combustion engine to be the reducing agent amount adsorbed to the selective reduction type NOx catalyst at that time.

Abstract: A sheet supply device includes a sheet supply tray, a delivery roller contacting a topmost surface of a sheet bundle on the sheet supply tray to deliver the sheet, and separation means feeding the sheet delivered by the delivery roller one by one in a separated manner. The sheet supply device further includes an elevating tray freely elevated/lowered to support a leading end side of the sheet bundle placed on the sheet supply tray and to move the topmost surface of the sheet bundle to a delivery position, a first drive section elevating/lowering the elevating tray, a second drive section elevating/lowering the delivery roller, and a controller controlling the first and second drive sections to elevate the elevating tray until the topmost surface of the sheet bundle reaches the delivery position and thereafter lower the delivery roller to a position contacting the topmost surface of the sheet bundle.