Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
  • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
  • B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
  • B42D9/04—Leaf turners
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
  • A47B23/06—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else characterised by association with auxiliary devices, e.g. line indicators, leaf turners, lampholders, book or page holders

Definitions

• the invention relates to a device for lifting a sheet of a binding or stapling having sheet stack, in particular a music booklet, with a drive for at least one lifting element and a support surface for the sheet, said at least one lifting element via a drive shaft of the drive in a rotational movement the drive shaft is driven.
• a device for turning over the pages of books, music books and the like which has a support for a book, music booklet and the like, wherein a wave is provided normal to the carrier, on the shaft two arms are fixed, the normal to the Shaft and are arranged opposite one another so that they are parallel to the carrier and at a distance therefrom, wherein a drive motor for the shaft is provided and on one side of the shaft, a Blattanheber is provided, wherein a second Blattanheber is provided symmetrically to the shaft at least one motor is associated with both leaf lifters, which is independent of the drive motor for the shaft, and the shaft is driven by the motor in both directions of rotation.
• a disadvantage of these devices is that only a small number of leaves can be turned over safely and without interruption, because the height of the sheet stack, whose leaves are to be turned, continuously reduced and thus no longer ensure the reliable lifting of the top sheet of the sheet stack by the sheet lifting device is.
• a disadvantage of this device is on the one hand its complicated structure, on the other hand, due to the at least partially pulling movement course of the friction roller a higher force required for the detachment of a page from its base.
• a device of the type mentioned above in that the drive is pivotally mounted about at least one axis of rotation, which is at an acute angle ⁇ on the plane of the support surface. It has been found that the detachment of a sheet from its base in a sliding movement with less effort is feasible, whereby the mechanical stress of the material of the page is reduced.
• a central axis running through the drive shaft includes an acute angle ⁇ with the axis of rotation, which faces the drive shaft.
• the orthogonal parallel projection of the central axis of the drive shaft on the plane of the support surface in turn includes an acute angle ⁇ with a perpendicular to the edge of the blade edge, wherein the drive shaft faces away from the bond.
• each angle is designated with a value less than 90 °.
• the sheet Due to the oblique position of the device with respect to the support surface and thus sheet surface, the sheet can be reliably turned over. It has proved to be particularly advantageous if the angle ⁇ has a value between 50 ° and 70 °, the angle ⁇ a value between 45 ° and 90 °, and here in particular a value of 75 ° ⁇ 5 °, and the angle ⁇ has a value of 30 ° to 60 °. Ideally, the angle ⁇ is 45 °.
• the lifting element engages in the corner region of a sheet. Due to the above-discussed oblique position of the device the lifting of the sheet by the lifting element takes place in a movement which corresponds to the turning of the sheet with the finger.
• the at least one lifting element is integral with the drive shaft.
• the at least one lifting element is connected via a plug or screw connection with the drive shaft. This has the advantage that the lifting element - if necessary - can be easily replaced.
• the at least one Anhe ⁇ beelement via an end piece, which comes into contact with the sheet.
• the end piece consists of an elastic material and further of a material with a high coefficient of friction to the sheet.
• the at least one lifting element is made of elastic material. This gives a high flexibility of the device with regard to the height of the sheet stack.
• the drive is pivotable against the restoring force of at least one restoring element, thereby the deflection of the drive is limited, and the tail remains in contact with the surface of the lifted sheet.
• the return element for example a steel spring, defines the contact pressure with which the end piece acts on the sheet.
• the invention has proven itself in a device for turning over pages of a sheet stack, the device of the invention and at least one Blattharieinrich ⁇ device for. Turning over a raised by the device sheet.
• Fig. La-c a lectern with an integrated binder for a music book using a device according to the invention for lifting or loosening a sheet, and a schematic representation of the Um particularlyvorgangs
• FIG. 2 shows the device for lifting or releasing a sheet from FIG. 1 in a detail view from the side without front of the housing
• Fig. 3 the device for lifting or loosening a sheet of Fig. 1 in a De ⁇ tail view from the front without front of the housing
• FIG. 4 shows the device for lifting or releasing a sheet from FIG. 1 in a detail view from above without the front of the housing
• Fig. 5 the movement of the apparatus of Fig. 2-4 in the lifting of a sheet
• Fig. La-c show the use of the device according to the invention for turning over a notebook NOT.
• the notebook NOT is placed on a desk PUL, to which a housing GEH is attached.
• the desk PUL has for this purpose a support surface AUF, which is formed for example as a rectangular plate.
• the support surface can have any conceivable shape, it must only be a flat storage of the book, exercise book, etc. possible.
• the desk PUL can be formed by a commercially available music stand on which the housing GEH is mounted.
• the housing GEH houses a device for lifting or releasing a sheet and a sheet turning device BWE for reversing the raised sheet BLA.
• a power plug NET for power and a cable that leads to a switching element that causes the turning of the notebook NOT.
• the switch is designed as a foot switch TAS.
• a lifting element ANH moves in a rotary motion over the lower right corner of an uppermost sheet BLA of the music booklet NOT.
• An end piece KUP (FIG. 2) located on the lifting element ANH shifts the right, lower corner of the sheet BLA in the direction of the fold FAL of the booklet NOT, so that the sheet BLA is detached from an underlying sheet.
• the lifting element ANH attacks in another area, preferably at another corner or edge of the sheet BLA.
• a sheet turning device BWE grips under the curved sheet BLA and turns it over.
• Sheet reversers are well known in the art.
• a device as disclosed in applicant's WO 00/35680 can be used in combination with the present invention as a device for turning leaves of a sheet stack with binding.
• the sheet turning device BWE is an arm which executes a parallel to the plane of the applied music book NOT running pivoting movement, similar to a windscreen wiper. This movement is synchronized with the rotational movement of the lifting element ANH.
• the sheet turning device BWE is located, for example, in the region of the upper edge of the music booklet NOT.
• Figs. 2 to 4 show in schematic form the device VOR for turning over or releasing a sheet BLA.
• the device VOR is fastened to the housing GEH via a wedge-shaped support KEI shown in FIG. 2 and a socket SOC.
• a drive MOT is pivotally mounted via a holder HAL, wherein a rotation axis DRE of the drive MOT intersects the plane of the support surface AUF at an acute angle ⁇ , which is preferably between 50 ° and 70 °.
• the drive MOT may be an electric motor such as a geared motor or a stepping motor.
• the drive MOT is not in the holder HAL, but is mounted directly pivotable.
• the axis of rotation DRE more precisely the leg facing the support KEI, encloses with the center axis MIT a drive shaft WEL in the present embodiment of the invention an angle ⁇ of approximately 75 °.
• the center axis MIT does not extend parallel to the plane of the support surface AUF.
• the orthogonal parallel projection of the central axis MIT with the drive shaft WEL on the plane of the support surface UP includes an acute angle ⁇ with an edge of the blade BLA perpendicular to the binding FAL, the drive shaft pointing away from the binding FAL.
• the angle ⁇ advantageously has a value between 30 ° and 60 °.
• An angle of ⁇ 45 ° has been found in recent investigation to be the most favorable angle.
• a drive shaft WEL is connected to the drive MOT along the center axis MIT, either fixed or via a joint.
• the drive shaft WEL is closed by the lifting ANH, wherein the lifting element ANH, as shown in Fig. 3, is at an angle ⁇ to the drive shaft WEL.
• this angle ⁇ 135 °.
• the lifting element ANH has at its end an end piece KUP, which is made in a preferred embodiment of soft rubber.
• This has a high elasticity, which allows the device VOR, for example, sheet music booklets of different thickness reliably revolve without corrections of the distance of the lifting element ANH to the sheet BLA must be made.
• the rubber material has a high coefficient of friction with respect to the material from which the sheet BLA is made and which may be for example paper, but also plastic. Sponge rubber and natural rubber have proved to be particularly suitable materials.
• the surface of the end piece END can be structured in order to achieve a suitable surface roughness and thus a high coefficient of friction.
• end piece KUP is detachably fastened, for example via a screw or plug connection, to the lifting element ANH.
• the end piece KUP is detachably fastened, for example via a screw or plug connection, to the lifting element ANH.
• the lifting element ANH is made of elastic material
• the end piece KUP is either made of metal with a high Ober ⁇ surface roughness or also of plastic.
• Fig. 5 illustrates the movement of the lifting member ANH and the drive MOT when lifting or releasing the sheet BLA.
• the drive MOT causes a rotation of the An ⁇ drive shaft WEL about its central axis MIT.
• the lifting member ANH moves from a starting position, shown in phantom, with its tail KUP in a substantially circular path counterclockwise until the tail KUP contacts the blade BLA.
• the drive MOT Due to the resistance of the material of the sheet BLA, the drive MOT, which is pivotably mounted on the rotary axis DRE, rotates, the drive MOT being controlled such that, in the case of resistance, the motor power is increased up to a specified maximum power.
• This pivoting movement runs in the opposite direction to the sliding movement of the lifting element ANH or its tail KUP on the sheet to be lifted BLA.
• the maximum rotation of the drive MOT about the axis of rotation DRE is limited by the Fe ⁇ the FED. Instead of steel springs and other, known to those skilled reset elements can be used. This results in the regulation of the pressure with which the tail KUP acts on the material of the sheet BLA.
• the sheet turning device BWE shown in FIG. 1 travels between the sheet BLA and the sheet core NOT and turns the sheet BLA in a movement executed parallel to the plane of the music book (not shown).
• the drive MOT has returned to its initial position, and the lifting member ANH continues to turn counterclockwise once the sheet BLA has been picked up by the sheet turning device BWE until the start position is reached again.
• the device according to the invention has a hold-down mechanism (not shown). This is executed for example in the form of two brackets. These brackets serve to hold down the mostly arched sides due to the Buchbin ⁇ tion. It has been shown that due to the curvature of the sides of these have a higher static friction to each other, whereby a greater amount of force to move the side to be lifted on the ground is necessary.
• the brackets advantageously engage on the lower edge of the sheet music book left and right at a distance to the fold.
• the brackets Upon actuation of the trigger, in the previous embodiment of the invention, a foot switch, the brackets are wegge ⁇ on its own drive, such as an electric motor, from its position via a rotational movement, so that the above-described movement of the lifting element for releasing the sheet and then the actual page turning of the page can be performed by the sheet turning device unhindered.

Landscapes

• Pile Receivers (AREA)
• Tables And Desks Characterized By Structural Shape (AREA)
• Sheets, Magazines, And Separation Thereof (AREA)
• Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35853674

Family Applications (1)

Country Status (10)

Families Citing this family (12)

Family Cites Families (12)

• 2004
  • 2004-09-09 AT AT0150804A patent/AT502166B1/de not_active IP Right Cessation
• 2005
  • 2005-01-19 US US11/039,487 patent/US7259312B2/en not_active Expired - Fee Related
  • 2005-04-01 DE DE102005015121A patent/DE102005015121A1/de not_active Withdrawn
  • 2005-08-15 JP JP2005235169A patent/JP4831401B2/ja not_active Expired - Fee Related
  • 2005-09-07 CN CNB2005800378508A patent/CN100513199C/zh not_active Expired - Fee Related
  • 2005-09-07 AU AU2005282198A patent/AU2005282198B2/en not_active Ceased
  • 2005-09-07 KR KR1020077005420A patent/KR20070072490A/ko not_active Application Discontinuation
  • 2005-09-07 EP EP05782003A patent/EP1802472A2/de not_active Withdrawn
  • 2005-09-07 WO PCT/AT2005/000358 patent/WO2006026800A2/de active Application Filing
  • 2005-09-07 CA CA002579880A patent/CA2579880A1/en not_active Abandoned

Non-Patent Citations (1)

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