62results about "Feed tables" patented technology

To provide a medium feeding device capable of performing medium separation further appropriately or an image reading device with the medium feeding device.SOLUTION: A medium feeding device 10 comprises: a feeding roller 14; a separation roller 15 which is a roller that separates a sheet P by nipping the sheet P between the feeding roller 14 and itself, to which a drive torque by a drive source is applied in a second rotation direction B opposite to a first rotation direction A for feeding the sheet P downstream; and a torque limiter 41 for causing the separation roller 15 to idle in the first rotation direction A when the rotational torque applied to the separation roller 15 in the first rotational direction A exceeds the limit torque which is a predetermined torque upper limit value. The medium feeding device is configured to be able to change a separation setting including the pressing load of the separation roller 15, the rotational speed of the separation roller 15, and the limit torque in accordance with the conditions at the time of feeding.SELECTED DRAWING: Figure 8

To provide an image reading apparatus capable of improving convenience of a user.SOLUTION: The image reading apparatus includes a feed tray on which the medium is placed, a transport unit that transports the medium placed on the feed tray from the feed tray, an image reading unit that reads an image from the medium transported by the transport unit, a discharge tray to which the medium after the image is read by the image reading unit is discharged, and a housing that accommodates the transport unit and the image reading unit therein. In accordance with movement of one tray of the feed tray and the discharge tray in the pull-out direction, the other tray of the feed tray and the discharge tray moves in the pull-out direction.SELECTED DRAWING: Figure 3

When ejecting a recording medium containing images without cutting it, the time required for ejection of the recording medium is reduced. [Solution] The recording and cutting device 1 comprises a recording unit 30 for recording an image on a sheet 7, a free cutting unit 40 for cutting the sheet 7 into any shape, a housing 10 that houses the recording unit 30 and the free cutting unit 40, a first discharge unit 60 for discharging the sheet 7 to the outside of the housing 10 via the recording unit 30 and the free cutting unit 40, and a second discharge unit 70 for discharging the sheet 7 to the outside of the housing 10 via the recording unit 30 but without passing through the free cutting unit 40.

A feed table (2) for connecting a printing device (1) to a folding machine (3) with two guides (10, 17) between which a pivotable loop flap (13, 15) is arranged, below which a paper loop (28) can be formed, with transport rollers (12, 21) assigned to the guides (10, 17), each of which is provided with a transport roller drive (22, 25), with a measuring section for determining the remaining length of the document (26), and with a control device for the transport roller drives (22, 25) is to be further developed in such a way that it is on the one hand more cost-effective and can be built shorter, and on the other hand compensates for the speed difference between the folding machine and the printing device in a simpler way.It is proposed that, as part of the measuring section, the printing device (1) for transmitting the remaining length of the document (26) is connected to the control device and / or folding machine (3) by means of a communication interface, that the measuring section further includes a sensor (23) that is able to detect the paper end (27) of a document (26) supplied by the printing device (1) and to report to the control device that the remaining length of the document can be determined via the control device, and that a suitable folding scheme for folding the determined remaining length can be selected by means of the control device.

To reduce the burden on the user when supplying seats to the seat loading area. [Solution] A sheet support device (8001) that supplies sheets (S) to a sheet loading section (410) provided on an image forming apparatus (100) and capable of loading sheets comprises a sheet support surface (801S) that supports the sheets to be supplied to the sheet loading section (410), and a rotating body (851) that protrudes at least a portion above a sheet guide surface (SP) to which the sheet (S) is guided when the sheet (S) is supplied from the sheet support surface (801S) to the sheet loading section (410), is arranged to be in contact with the lower surface of the guided sheet (S), and is rotatable as the sheet (S) moves.

An image reading device that can improve the operability of a document feed tray and a discharge tray of a document transport device, and an image forming apparatus equipped with the same are provided. [Solution] The image reading device includes an image reading unit having a reading module capable of reading images, and a document transport device that transports sheet-like documents to an automatic reading position of the image reading unit. The document transport device includes a document feed tray on which documents are placed, a document discharge tray that is disposed below the document feed tray at a distance and to which the documents are discharged, a support unit that supports the document feed tray and the document discharge tray so that they can move horizontally along the document transport direction, and a connecting unit that connects the document feed tray and the document discharge tray. While connected by the connecting unit, the document feed tray and the document discharge tray can move back and forth along the support unit in a first direction toward the outside of the document transport device and a second direction toward the inside of the document transport device.

To reduce the fluid consumption, in particular the air consumption, during the transport of a sheet- or plate-shaped recording medium so as to increase the print quality of a printing device and / or the efficiency of a transport device.SOLUTION: A transport device is described, which is adapted to transport a recording medium (120) on a transport belt (130) through a printing unit (140). The conveyor belt (130) has a plurality of holes that have a first cross-sectional area towards the recording medium (120). Air is pumped out of the holes by means of a negative pressure unit in order to build up a negative pressure in the holes. In the process, the fluid is pumped over a second cross-sectional area that is smaller than the first cross-sectional area. As a result, relatively high holding forces on the recording medium (120) can be achieved with relatively low fluid consumption.SELECTED DRAWING: Figure 1a

Device for conveying a shingled stream of sheets to a sheet processing machine, comprising a conveying table (9) which has at least one continuously driven, air-permeable conveyor belt (26) which can be subjected to negative pressure on an underside of its upper belt (26) sliding over the conveying table (9) by a first suction chamber (28), a second suction chamber (29) and a third suction chamber (30), wherein the third suction chamber (30) is the last suction chamber upstream of the sheet processing machine (1) and suction air of different pressure levels can be supplied to it in sync with the sheet processing machine (1), characterized by that the third suction chamber (30) is preceded by a further suction chamber (41) to which suction air at different pressure levels can be supplied in sync with the sheet processing machine (1), that the third suction chamber (30) and the further suction chamber (41) can be subjected to high and low vacuum pressures in phase shifts by a common rotary valve (38), that the third suction chamber (30) and the further suction chamber (41) are arranged at a distance (a) from each other and that at the distance (a) a part of the second suction chamber (29) is arranged.

The utility model discloses a membrane material stripping mechanism which is used for feeding membrane materials. The mechanism comprises a supporting frame, a Z-axis driving mechanism, a first clamping mechanism, a Y-axis sliding mechanism, a second clamping mechanism and a tension mechanism. The supporting frame is provided with a stripping platform used for supporting and adsorbing a film material. The Z-axis driving mechanism drives the Z-axis movable part to ascend and descend in the Z direction. The first clamping mechanism is installed on the Z-axis moving part to achieve the clamping action in the Z-axis direction. The Y-axis sliding mechanism is located below the stripping platform and drives the second clamping mechanism to move along the Y axis. The second clamping mechanism is connected with the tension mechanism and provides tension for the membrane material in the Y-axis direction. According to the utility model, the structure is simple, all parts cooperate with one another, the Z-axis driving mechanism drives the first clamping mechanism to clamp a membrane material and carry out vacuum adsorption stripping on the stripping platform, and meanwhile, the second clamping mechanism keeps the tension of the membrane material by virtue of the tension mechanism, so that the efficient stripping and feeding of the membrane material are stably and reliably realized, and the production efficiency can be obviously improved.

A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.

To realize further miniaturization of a device even in a case where there is a projecting part such as a conveyance roller cover.SOLUTION: A manual feed tray comprises: a tray body 3 having a storage part SP for storing a projecting part (a conveyance roller cover 14) projecting from a side part 12, an opening 32 of the storage part SP formed in a placement surface 31 on which paper is placed and an opening cover 33 that is rotatably supported with a rotation shaft 331 in a direction perpendicular to a paper feeding direction and capable of closing the opening 32; and an auxiliary tray 4 that can be pulled out from the tray body 3 and has a recessed part 42 for forming the storage part SP when stored in the tray body 3. When the tray body 3 is stored along the side part 12, the opening cover 33 rotates toward an inside of the tray body 3 around the rotation shaft 331, and is stored in the storage part SP together with the conveyance roller cover 14 which is the protruding part.SELECTED DRAWING: Figure 2

Device (10) for aligning the leading edge (105) of flat, flexible objects (100) that can be moved along a transport path, as seen in a transport direction, with - a conveyor belt (40) for transporting the objects (100) in the transport direction (x), - wherein at least one chamber (70) is arranged on the side of the conveyor belt (40) facing away from the objects (100), which has at least one opening (75) facing the conveyor belt (40), and which can be pressurized with both negative and positive pressure, and - with a stop element (90) which is movable between a first position in which it is arranged in the transport path and a second position in which it is arranged outside the transport path, and which has a stop surface (95) which is oriented transversely to the transport path in the first position, characterized in that the stop element (90) has two side surfaces (95a, 95b) arranged at an angle to each other and is pivotable in the first position about an axis (B) which is arranged transversely, in particular perpendicularly, to the transport path.

This prevents the first and second wiring from breaking. [Solution] The sheet support portion comprises a main body having a bulge, a first support surface supported by the main body so as to be openable and closable and supporting a sheet, an opening, a pull-out portion supported by the sheet support portion so as to be pull-out in the pull-out direction and movable between a first position and a second position, a cover that rotates in conjunction with the movement of the pull-out portion between the first position and the second position and covers the opening, a detection portion for detecting a sheet, and wiring for transmitting a signal to the detection portion. At least a portion of the bulge enters the opening of the sheet support portion and enters the space surrounded by the recess of the cover when the sheet support portion is closed relative to the main body. The wiring is arranged so as not to overlap the cover when viewed in the direction normal to the first support surface.

The invention discloses a thin film material taking and transferring device which comprises a mesh and a fixing frame. A grating net used for supporting the thin film material is formed in the middle of the net piece, and a sealing ring is formed by surrounding the grating net on the periphery of the net piece. The lower bottom surface of the sealing ring is fixed with the upper end surface of the fixing frame; a negative pressure cavity is formed in the fixing frame so that negative pressure can be generated to adsorb the thin film materials downwards. The invention has the effects that the grating net comprises a plurality of tightly arranged meshes, so that each position of the lower bottom surface of the thin film material adsorbed and fixed by negative pressure can be adsorbed and fixed by uniform negative pressure, obvious salient points are not easy to appear on the lower bottom surface due to negative pressure adsorption, the product quality can be effectively ensured, and the thin film material is prevented from being damaged at the moment when the thin film material is placed on the grating net. When the grid net is pressed downwards, certain downward pressure is generated downwards on the grid net, at the moment, the pressure buffering component is arranged, downward pressure buffering is conducted through the pressure buffering component, the grid net can be pressed downwards in a micro-amplitude flexible mode instead of being pressed downwards in a hard mode, the grid net is not prone to being damaged by pressing, and therefore the service life of the corresponding net piece is long.

The present invention provides a seat support device that can suppress the discomfort caused by the tilt of the rack when the user operates the guide, and that allows the rack to be easily assembled to the support base. [Solution] In the seat support device 1, the support base 100 has a first portion 110, an engaging portion 116 that protrudes from the first portion 110 and engages with the groove portion 136, a second portion 120 located on the opposite side of the axis X1 from the engaging portion 116, and a protruding portion 128 that protrudes from the second portion 120 and can abut against the second surface 132. The rack 130 has a recess 150 that is recessed from the second surface 132 toward the first surface 131. The rack 130 is configured such that the protruding portion 128 can enter the recess 150 when the groove portion 136 is separated from the engaging portion 116 and the pinion gear 160 side of the first surface 131 is tilted to be further away from the support base 100 than the side end surface 134 side of the first surface 131.

The invention relates to a device for conveying and / or guiding substrate sheets on a conveyor line, on which the substrate sheets are or can be guided by one or more conveying sections on a transport path along a translational transport route, wherein a device designed as a sensor or processing device is arranged on the conveyor line, which is directed or acts with a sensor device or a processing device on a measuring or working area of ​​the transport path, which is only partially wide compared to the transport path width given by the nominal or maximum width for the web transport on the conveyor line, wherein a blowing device is provided which extends only over a part of the transport path width and has one or more blowing nozzles directed towards the transport plane,and wherein the blowing device with at least one blowing nozzle is directed at at least one point on the transport path which is adjacent to and / or located at most one tenth of the transport path width or 50 mm in and / or transversely to the direction of travel from the partial width measuring or working area of ​​the sensor or processing device.

A media bypass for a printer, the media bypass comprising a convertible media support to hold a substrate and to switch between an active and an inactive configuration, wherein the convertible media support pivots from the inactive configuration towards the active configuration to extend into the printer and to guide the substrate into the printer.

To provide a printing position that enables cutting and printing to be performed when a sheet placed on a manual feed tray is of a predetermined size, and not to be performed when the sheet is out of the predetermined size. [Solution] When processing a print job instructed to perform cutting on a sheet Sa placed on a manual feed tray 30, the CPU 101 is capable of performing cutting if the time that has elapsed from a predetermined timing when the manual feed sensor SE5 detects the sheet Sa placed on the manual feed tray 30 until the manual feed sensor SE5 no longer detects the sheet Sa as the sheet Sa is transported corresponds to the sheet Sa being a first size, and not performing cutting if the time corresponds to the sheet Sa being a size smaller or larger than the first size.

To enable feeding of various size of sheets and improvement of space saving.SOLUTION: The sheet feeding device includes feeding means for feeding a sheet in a sheet feeding direction, a first support member having a first support surface that supports the sheet, and a second support member having a second support surface that supports the sheet, the second support surface having a length in a sheet width direction perpendicular to the sheet feeding direction shorter than the first support surface, in which the second support member can be moved between a first position above the first support member and a second position retracted above the first support member and above the first position, when the second support member is in the first position, the feeding means feeds the sheet supported on the second support surface, and when the second support member is in the second position, the feeding means under the second support member feeds the sheet supported on the first support surface.SELECTED DRAWING: Figure 2

To provide a medium carrier device capable of properly carrying a medium.SOLUTION: A medium carrier device has: a mount base where a medium is mounted; a carrier part which carries the medium mounted on the mount base; a sensor for detecting the floating of a medium to be carried by the carrier part; a discharge part which discharges the medium carried by the carrier part; a discharge tray which is arranged above the mount base and on which media discharged from the discharge part are stacked; and an extension tray which is connected to the downstream side of the discharge tray in the medium discharging direction, wherein the lower end of the extension tray on the upstream side in the medium discharging direction is arranged on the mount base side relative to the lower end on the downstream side of the discharge tray in the medium discharging direction with the media discharged from the discharge part stacked cooperatively.SELECTED DRAWING: Figure 13

Sheet processing machine with a sheet separator (3) for separating sheets (15) from a stack (1), a sheet guiding system in the form of a sheet guiding cylinder (8.1, 8.2, 9) or a sheet guiding belt, an acceleration device for accelerating the bow (15) to at least a transport speed of the bow guidance system (8.1, 8.2, 9), an alignment device formed by a stop (13) arranged on the bow guide system (8.1, 8.2, 9), with a transport device (7) with a conveying plane inclined to the horizontal, which conveys sheets (15) at a speed increased compared to the transport speed of the sheet guide system (8.1, 8.2, 9) against the rotating stop (13), wherein the sheet separator (3) and / or the acceleration device is controlled such that a sheet gap is formed between two successive sheets (15) in the transport direction of the transport device (7), wherein the acceleration device and / or the transport device (7) comprises a belt table (6) with adjacent, motor-driven suction belts and with a further sensor (16) for detecting the inclination of sheets (15), wherein a control device for correcting the inclination of the sheets (15) controls the movement of the suction belts differently depending on the signals of the further sensor (16).

To solve the problem, a paper sheet conveying device is provided, which can enter a paper sheet collecting area without paper sheets being caught on a conveying belt. The paper sheet conveying device includes a control section 120 that controls driving of a belt driving mechanism 4 and a suction switching mechanism 7, a counting unit 111 that counts the number of paper sheets stacked in a paper sheet stacking area, a first determination unit 112 that determines whether the number of paper sheets stacked in the paper sheet stacking area is two or more or one based on the count of paper sheets from the counting unit 111, (a) when the number of paper sheets stacked in the paper sheet stacking area is determined to be two or more by the first determination unit, paper sheets are conveyed from the paper sheet stacking area, and (b) when the number of paper sheets stacked in the paper sheet stacking area is determined to be one by the first determination unit, the paper sheets are not conveyed from the paper sheet stacking area.

To suppress the occurrence of sheet feeding failure.SOLUTION: An image forming apparatus includes a support unit configured to support a plurality of sheets, a feeding unit configured to feed the sheets supported by the support unit, an air loosening unit configured to blow air to the sheets supported by the support unit to loosen the sheets, and a control unit configured to execute a feeding operation of feeding the sheets by the feeding unit and a loosening operation of blowing air by the air loosening unit. When the sheet is not fed even if the feeding operation is executed (S7; YES), the control unit can execute the retry operation of re-executing the feeding operation (S3), and can execute the first loosening mode (S11 to S13) of executing the loosening operation after executing the feeding operation and before executing the retry operation.SELECTED DRAWING: Figure 5

The invention relates to a printing press having a plurality of processing stations for processing individual sheets (77), wherein the processing stations are arranged one after the other in the conveying direction (T) of the sheets (77), at least one of the processing stations having a non-impact printing device (13), the processing station having the non-impact printing device (13) or another processing station having a first conveying device for conveying the sheets (77) along a straight conveying section, the first conveying device having at least one circulatingly rotating conveying belt (16) which is deflected on a rotating deflection roller (76), the first conveying device being designed to convey a succession of individual sheets (77) one after the other lying flat on the at least one conveying belt (16) thereof, a second conveying device being arranged downstream of the processing station having the first conveying device, the second conveying device conveying the sheets (77) likewise lying flat on at least one circulatingly rotating conveying belt (18), in the conveying plane (E19) of the sheets (77) to be conveyed, at the point at which the sheets (77) to be conveyed are transferred from the conveying belt (16) of the first conveying device to the conveying belt (18) of the second conveying device arranged downstream in the conveying direction (T) of the sheets (77), a break point (78) being formed in the mechanical support of the respective sheet (77) to be transferred, wherein the deflection roller (76) deflecting the at least one conveying belt (16) of the first conveying device is arranged at the break point (78) of the sheet (77) to be transferred, wherein a guide device (42) extending transversely to the conveying direction (T) of the sheets (77) is arranged at the break point (78), the guide device having a profile element (79) ending in a point, the point of the profile element (79) pointing in the conveying direction (T) of the sheets (77) against the respective conveying belt (16) of the first conveying device.

A method of printing having the steps of transporting a print medium along a print station for printing on the print medium by means of an endless, air permeable transport belt positioned over a suction device for applying an underpressure to the print medium on the transport belt, wherein the transport belt comprises endless, non-permeable strips positioned between air permeable areas provided with openings and the suction device comprises a plurality of spaced apart support beams extending substantially in a main transport direction defined by the print station for supporting the transport belt; and controlling the position and / or orientation of the transport belt for aligning the print medium with respect to the print station, wherein each adjustment to the transport belt's position and / or orientation is restricted, such that the strips are maintained entirely overlapping the support beams.

The present invention comprises: a main body part (50) including a bulging portion (42b); a sheet support part (72) supported so as to be capable of opening and closing with respect to the main body part (50) and including a first support surface (72a) supporting a sheet and an opening (72b); a pullout part (73) movable between a first position and a second position; a cover (76) that rotates in conjunction with the pullout part (73) moving between the first position and the second position and covers the opening (72b); a detection part (80) that detects the sheet; and a wiring (121) that transmits a signal to the detection part (80). At least a part of the bulging portion (42b) enters the opening (72b) of the sheet support part (72) and enters a space (SP2) surrounded by a recessed portion (76b) of the cover (76) when the sheet support part (72) is closed with respect to the main body part (50). The wiring (121) is disposed so as not to overlap the cover (76) as viewed in the normal direction (ND) of the first support surface (72a).

The invention relates to a device for the aligned and / or timed feeding of substrate sheets into a conveying section – in particular downstream of a first conveying section of a sheet-preparing and / or processing machine – with a stop device, which can be moved with one or more stop elements between a working position in which they are located in the transport path of the substrate sheets and a release position that releases the transport path, and with a support surface arranged upstream of the stop device and supporting the conveyed substrate sheets from below, which has a plurality of nozzles spaced transversely to the transport direction, operating according to the Bernoulli effect and directed with at least one directional component in the transport direction – e.g. also referred to as Ventui nozzles.The nozzles arranged side by side are individually or in groups connected by lines to the respective nozzles or groups of switching valves, which are connected on the inlet side to a compressed air source, and which can be switched between a first switching state, in which the nozzles connected on the outlet side can be individually or in groups supplied with compressed air and / or are supplied with compressed air, and a second switching state, in which the flow path to the nozzle(s) connected by lines is closed.