US3901502A - Tilting suction device for lifting objects with flat top surfaces - Google Patents

Tilting suction device for lifting objects with flat top surfaces Download PDF

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Publication number
US3901502A
US3901502A US427120A US42712073A US3901502A US 3901502 A US3901502 A US 3901502A US 427120 A US427120 A US 427120A US 42712073 A US42712073 A US 42712073A US 3901502 A US3901502 A US 3901502A
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United States
Prior art keywords
bellows
suction cup
nipple
suction
suction pipe
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US427120A
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English (en)
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Hilmar Vits
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0883—Construction of suction grippers or their holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0212—Circular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0231—Special lip configurations

Definitions

  • ABSTRACT Blunk Assistant ExaminerRobert Saifer Attorney, Agent, or Firm-Holman & Stern 5 7 ABSTRACT A tilting suction device for lifting objects having a flat surface in which the bellows is peripherally pleated over its entire length; one diametrical half having an axial rigidity differing from that of the other diametrical half so that when evacuated, it will assume an angularly inclined condition to reorient the object being lifted and/or the pleated bellows is permanently inclined and is introduced to an object being lifted in an inclined condition and when evacuated assumes an inclined condition to reorient the object being lifted.
  • the invention relates to a tilting suction device for lifting objects with flat top surfaces, in particular sheets of paper, said device having a liftable, inclinable suction cup connected to a nipple of a vacuum suction pipe.
  • the suction cup is a rigid element which, after aspirating a sheet by the vacuum action, can be swivelled about a pivot, against a spring, into an inclined position, from which, after removal of the sheet, it is pressed back into its original position parallel to the top surface of a stack of the sheets by the action of the spring.
  • Another known tilting suction device comprises an elastic suction cup, the axis of which is inclined at an angle to the object to be lifted, so that the edge of the suction cup positioned in a plane approximately perpendicular to the suction cup axis during the lowering process, on one side comes into contact with the object to be lifted.
  • the remainder of its edge also comes into contact with the object to be lifted.
  • the object of the invention is to provide a tilting suction device which operates without mechanical moving parts.
  • a tilting suction device for lifting objects with flat top surfaces comprising a liftable inclinable suction cup connected with a nipple of a suction pipe, the suction cup being placed at one end of a bellows, of which the other end is attached to the nipple of the suction pipe, and two diametrically opposite halves of the said bellows having adifferent axial spring rigidity respectively.
  • a tilting device for lifting objects having flat top surfaces comprises a liftable, inclinable suction cup connected with a nipple of a suction pipe, the suction cup being connected to one end of a bellows connected at its other end to the nipple of the suction pipe, the said bellows having approximately the same axial rigidity over its complete periphery, and the suction cup being inclined.
  • the elastic material of the bellows is thicker on the one half than on the other.
  • the bellows is connected with a vacuum source through a throttle which is provided on the end of the bellows opposite the suction cup.
  • FIG. 1 shows a first alternative form of tilting suction device, in axial section, with the bellows expanded
  • FIG. 2 shows the tilting suction device according to FIG. 1 in elevation, with the bellows contracted
  • FIG. 3 shows a second alternative embodiment of tilting suction device in axial section, with the bellows contracted, and with a lifted object
  • FIG. 4 shows the tilting suction device according to FIG. 3, in elevation, after deposition on the article to be lifted.
  • a nipple 1 of a suction pipe 2 which is connected to a vacuum source and serves as a support, one end 3 of a bellows 4 is firmly attached.
  • a throttle 5 is located in the nipple 1.
  • the opposite end of the bellows 4, is shaped as a suction cup 6.
  • the opening 7 of the bellows 4 has a substantially larger cross-section than the opening 8 afforded by the throttle 5.
  • the left hand half of the bellows 4 shown in the drawing has a thicker wall than the right hand half. Since the material of the be]- lows 4 is elastic, that is for example, it is made of rubber or plastic, a different spring rigidity in the axial direction is obtained for the two halves of the bellows 4.
  • This differing contraction causes the edge of the paper sheet 9 picked up by the device, to become inclined, so that between the sheets of the stack 10 and the lifted sheet of paper 9, a wedge-shaped gap is produced, into which, for the purpose of lifting the sheet 9 away from the stack 10, air may be blown in the direction of arrow 11.
  • the sheet of paper 9 can then be removed laterally from the stack 10 on an air cushion.
  • FIGS. 3 and 4 differs from that illustrated in FIGS. 1 and 2, in respect of the bellows 14 and the suction cup 16.
  • the axial rigidity is constant over the entire periphery of the bellows 14. This is achieved by using identical material and identical wall thickness over the entire periphery. Because of this design, the suction cup 16, during lowering of the tilting suction device, meets the uppermost sheet 9 on the stack 10 with one side. With continued lowering, the entire edge of the suction cup 16 comes into contact with the uppermost sheet, the bellows 14 being more strongly compressed on one side than on the other.
  • the first alternative solution is more advantageous in many respects compared with the second. Firstly, the space between the top surface of the object to be lifted and the suction cup, with the bellows expanded, can be kept very small, which allows a small stroke and the resulting possibility of rapid movement. Furthermore, in the first alternative solution, during the deposition of the device, no transverse thrust relative to the direction of deposition is produced, as the suction cup is simultaneously deposited with its entire edge. However, in the second alternative solution, there is essentially a transverse thrust relative to the direction of deposition, which effects displacement of the sheet of paper to be lifted, and leads to increased abrasion of the edge of the suction cup. In addition, a greater stroke is necessary for the suction cup to be sealed by complete contact with the surface of the object to be lifted.
  • a tilting device for lifting objects having flat top surfaces comprising a liftable, inclinable suction cup connected with a nipple of a suction pipe, the suction cup being disposed at one end of a bellows having folds over its complete periphery, the other end of the bellows being attached to the nipple of the suction pipe, and the wall of the bellows comprising elastic material and the spring rigidity of the elastic material in opposed halves of the wall being different.
  • a tilting device for lifting objects with flat top surfaces, in particular for sheets of paper comprising a liftable, inclinable suction cup connected with a nipple of a suction pipe, the suction cup being connected to one end of a bellows having a straight central axis connected at its other end to the nipple of the suction pipe, over its complete periphery the said bellows having both folds and approximately the same axial rigidity, and the suction cup being inclined to the straight central axis of the bellows.
  • a tilting device for lifting objects having flat top surfaces comprising a liftable, inclinable suction cup connected with a nipple of a suction pipe, the suction cup being disposed at one end of a bellows having folds over its complete periphery, the other end of the bellows being attached to the nipple of the suction pipe, and two diametrically opposite halves of said bellows respectively having a different axial spring rigidity the wall of the bellows being of an elastic. material and thicker on one half than on the other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Manipulator (AREA)
US427120A 1972-12-28 1973-12-21 Tilting suction device for lifting objects with flat top surfaces Expired - Lifetime US3901502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2263732 1972-12-28

Publications (1)

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US3901502A true US3901502A (en) 1975-08-26

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Application Number Title Priority Date Filing Date
US427120A Expired - Lifetime US3901502A (en) 1972-12-28 1973-12-21 Tilting suction device for lifting objects with flat top surfaces

Country Status (6)

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US (1) US3901502A (es)
JP (1) JPS5241835B2 (es)
DE (1) DE2263732C2 (es)
FR (1) FR2330269A5 (es)
GB (1) GB1456399A (es)
IT (1) IT994423B (es)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371158A (en) * 1979-03-26 1983-02-01 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Sheet tilting suction type separator
US4662668A (en) * 1986-01-08 1987-05-05 Hufford Donald L Material handling sensor device and method
US4839117A (en) * 1988-02-08 1989-06-13 Davidson Textron Inc. Method and apparatus for forming a composite foam shell and insert article
US5009409A (en) * 1988-08-15 1991-04-23 Shell Oil Company Method and apparatus for manipulation of fabric
US5083764A (en) * 1990-07-16 1992-01-28 E. I. Du Pont De Nemours And Company Suction cup for curling a sheet near its edge and method of use
WO1998034678A1 (en) 1997-02-10 1998-08-13 Medtronic, Inc. Coiled wire conductor insulation for biomedical lead
US6527323B2 (en) * 2000-07-31 2003-03-04 Smc Kabushiki Kaisha Suction pad having a patterned attracting surface
US6726433B1 (en) 1996-08-07 2004-04-27 Agfa Corporation Apparatus for loading and unloading a supply of plates in an automated plate handler
US20050168001A1 (en) * 2004-02-04 2005-08-04 Maurice Perlman Vacuum cup
US20070006940A1 (en) * 2005-07-11 2007-01-11 Maurice Perlman Auto-release vacuum device
US20100150743A1 (en) * 2008-12-12 2010-06-17 Norgren Automotive, Inc. Single Line Venturi Apparatus
WO2013062463A1 (en) * 2011-10-25 2013-05-02 Xerex Ab Insert for bellows with non-linear compression / expansion in a vacuum powered tool
KR101286727B1 (ko) 2012-05-03 2013-07-16 임병기 진공 리프팅 이송장치의 틸팅유닛
US20150360372A1 (en) * 2013-02-27 2015-12-17 Materialise N.V. Gripping apparatus and method of manufacturing a gripping apparatus
US20190193126A1 (en) * 2009-11-12 2019-06-27 Filter Safe Ltd. Filter proximity nozzle
US20210213626A1 (en) * 2020-01-13 2021-07-15 J. Schmalz Gmbh Method for gripping an object and suction gripper
US20210308874A1 (en) * 2020-04-01 2021-10-07 Ambidextrous Laboratories, Inc. End effector device and system for suction-based grasping of bagged objects
US11577408B2 (en) * 2020-03-12 2023-02-14 Piab Aktiebolag Compressible suction cup having additional vacuum compartment, as well as lip, and bellows therefor
US11938618B2 (en) 2020-07-22 2024-03-26 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a passively folding vacuum gripper
US11964386B2 (en) 2020-07-22 2024-04-23 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a vacuum gripper that provides object retention by shroud inversion

Families Citing this family (17)

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JPS5349976U (es) * 1976-09-30 1978-04-27
US4337921A (en) * 1979-07-30 1982-07-06 Fpt Industries Inflatable ram
JPS5845239U (ja) * 1981-09-22 1983-03-26 住友ゴム工業株式会社 紙葉類分離用吸着具
JPS5848640U (ja) * 1981-09-24 1983-04-01 住友ゴム工業株式会社 紙葉類分離用吸着具
DE3301439A1 (de) * 1983-01-18 1984-07-19 Bizerba-Werke Wilhelm Kraut GmbH & Co KG, 7460 Balingen Vorrichtung zum aufbringen von klebeetiketten auf gegenstaende
GB8422338D0 (en) * 1984-09-04 1984-10-10 Watkiss Automation Ltd Valve mechanism
US4719685A (en) * 1986-08-04 1988-01-19 Anderson Jeff H Jack device for washing machines
DE3836253A1 (de) * 1988-10-25 1990-04-26 Heidelberger Druckmasch Ag Auslagebogenbremse fuer bogendruckmaschinen
US4978269A (en) * 1989-03-02 1990-12-18 Toter, Inc. Vacuum controlled lifting apparatus
US5232332A (en) * 1989-05-03 1993-08-03 Focke & Co., (Gmbh & Co.) Conveying device for the removal of objects from a base
DE3914596C2 (de) * 1989-05-03 1996-12-05 Focke & Co Verfahren und Fördervorrichtung zum Abnehmen von Gegenständen von einer Unterlage
DE4121681A1 (de) * 1991-06-29 1993-01-07 Kba Planeta Ag Springsauger
DE29516052U1 (de) * 1995-10-10 1997-02-13 J. Schmalz GmbH, 72293 Glatten Unterdruckhandhabungsvorrichtung
DE102015110074A1 (de) * 2015-06-23 2016-12-29 Andreas Litke Vakuumpumpe
DE102017121678A1 (de) * 2017-09-19 2019-03-21 B. Braun Avitum Ag Sauggreifer
CN108083079B (zh) * 2017-12-14 2019-08-06 重庆同益机械有限公司 一种用于生产线上的铸造模具的吊运设备
JP7160249B2 (ja) * 2018-08-08 2022-10-25 Smc株式会社 吸着装置

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US1264211A (en) * 1917-07-05 1918-04-30 Frederick W Sauer Sheet-feeder for printing-presses.
US1794843A (en) * 1929-03-05 1931-03-03 Arthur J Freeman Sheet separator and conveyer
US3039767A (en) * 1961-03-07 1962-06-19 Harris Intertype Corp Sheet lifting device
US3155386A (en) * 1962-07-10 1964-11-03 Cutler Mail Chute Company Sheet-feeding device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1264211A (en) * 1917-07-05 1918-04-30 Frederick W Sauer Sheet-feeder for printing-presses.
US1794843A (en) * 1929-03-05 1931-03-03 Arthur J Freeman Sheet separator and conveyer
US3039767A (en) * 1961-03-07 1962-06-19 Harris Intertype Corp Sheet lifting device
US3155386A (en) * 1962-07-10 1964-11-03 Cutler Mail Chute Company Sheet-feeding device

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371158A (en) * 1979-03-26 1983-02-01 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Sheet tilting suction type separator
US4662668A (en) * 1986-01-08 1987-05-05 Hufford Donald L Material handling sensor device and method
US4839117A (en) * 1988-02-08 1989-06-13 Davidson Textron Inc. Method and apparatus for forming a composite foam shell and insert article
US5009409A (en) * 1988-08-15 1991-04-23 Shell Oil Company Method and apparatus for manipulation of fabric
US5083764A (en) * 1990-07-16 1992-01-28 E. I. Du Pont De Nemours And Company Suction cup for curling a sheet near its edge and method of use
US7055431B2 (en) 1996-07-31 2006-06-06 Agfa Corporation Apparatus for loading and unloading a supply of plates in an automated plate handler
US20040179922A1 (en) * 1996-07-31 2004-09-16 Agfa Corporation Apparatus for loading and unloading a supply of plates in an automated plate handler
US6726433B1 (en) 1996-08-07 2004-04-27 Agfa Corporation Apparatus for loading and unloading a supply of plates in an automated plate handler
WO1998034678A1 (en) 1997-02-10 1998-08-13 Medtronic, Inc. Coiled wire conductor insulation for biomedical lead
US6527323B2 (en) * 2000-07-31 2003-03-04 Smc Kabushiki Kaisha Suction pad having a patterned attracting surface
US20050168001A1 (en) * 2004-02-04 2005-08-04 Maurice Perlman Vacuum cup
US7712807B2 (en) 2004-02-04 2010-05-11 Delaware Capital Formation, Inc. Vacuum cup with relief port and method of moving and releasing an object
US20070132255A1 (en) * 2004-02-04 2007-06-14 Delaware Capital Formation, Inc. Vacuum cup with relief port and method of moving and releasing an object
US7309089B2 (en) 2004-02-04 2007-12-18 Delaware Capital Formation, Inc. Vacuum cup
US9095983B2 (en) 2005-07-11 2015-08-04 Delaware Capital Formation, Inc. Auto-release vacuum device
US8479781B2 (en) 2005-07-11 2013-07-09 Delaware Capital Formation, Inc. Auto-release vacuum device
US7681603B2 (en) 2005-07-11 2010-03-23 Deleware Capital Formation, Inc. Auto-release vacuum device
US7540309B2 (en) 2005-07-11 2009-06-02 Delaware Capital Formation, Inc. Auto-release vacuum device
US10654177B2 (en) 2005-07-11 2020-05-19 Delaware Capital Formation, Inc. Auto-release vacuum device
US20100207409A1 (en) * 2005-07-11 2010-08-19 Delaware Capital Formation, Inc. Auto-Release Vacuum Device
US7950422B2 (en) 2005-07-11 2011-05-31 Delaware Capital Formations, Inc. Auto-release vacuum device
US8201589B2 (en) 2005-07-11 2012-06-19 Delaware Capital Formation, Inc. Auto-release vacuum device
US11577407B2 (en) 2005-07-11 2023-02-14 Delaware Capital Formation, Inc. Auto-release vacuum device
US9833910B2 (en) 2005-07-11 2017-12-05 Delaware Capital Formation, Inc. Auto-release vacuum device
US20070006940A1 (en) * 2005-07-11 2007-01-11 Maurice Perlman Auto-release vacuum device
US20090217998A1 (en) * 2005-07-11 2009-09-03 Delaware Capital Formation, Inc. Auto-Release Vacuum Device
US11951611B2 (en) 2005-07-11 2024-04-09 Delaware Capital Formation, Inc. Auto-release vacuum device
US11148301B2 (en) 2005-07-11 2021-10-19 Delaware Capital Formation, Inc. Auto-release vacuum device
US20100150743A1 (en) * 2008-12-12 2010-06-17 Norgren Automotive, Inc. Single Line Venturi Apparatus
US10751764B2 (en) * 2009-11-12 2020-08-25 Filter Safe Ltd. Filter cleaning system with a movable proximity nozzle
US20190193126A1 (en) * 2009-11-12 2019-06-27 Filter Safe Ltd. Filter proximity nozzle
CN103889876A (zh) * 2011-10-25 2014-06-25 谢雷克斯公司 用于在真空动力工具中非线性压缩/伸展的波纹管的插入件
EP2771271A4 (en) * 2011-10-25 2016-06-22 Xerex Ab FITTING FOR NON-LINEAR COMPRESSION / EXPANSION BELLOWS IN A PNEUMATIC TOOL
CN103889876B (zh) * 2011-10-25 2016-04-27 谢雷克斯公司 用于在真空动力工具中非线性压缩/伸展的波纹管的插入件
US9046177B2 (en) 2011-10-25 2015-06-02 Xerex Ab Insert for bellows with non-linear compression / expansion in a vacuum powered tool
WO2013062463A1 (en) * 2011-10-25 2013-05-02 Xerex Ab Insert for bellows with non-linear compression / expansion in a vacuum powered tool
KR101286727B1 (ko) 2012-05-03 2013-07-16 임병기 진공 리프팅 이송장치의 틸팅유닛
US20150360372A1 (en) * 2013-02-27 2015-12-17 Materialise N.V. Gripping apparatus and method of manufacturing a gripping apparatus
US20210213626A1 (en) * 2020-01-13 2021-07-15 J. Schmalz Gmbh Method for gripping an object and suction gripper
US11685060B2 (en) * 2020-01-13 2023-06-27 J. Schmalz Gmbh Method for gripping an object and suction gripper
US11577408B2 (en) * 2020-03-12 2023-02-14 Piab Aktiebolag Compressible suction cup having additional vacuum compartment, as well as lip, and bellows therefor
US20210308875A1 (en) * 2020-04-01 2021-10-07 Ambidextrous Laboratories, Inc. End effector device and system for suction-based grasping of bagged objects
US20210308874A1 (en) * 2020-04-01 2021-10-07 Ambidextrous Laboratories, Inc. End effector device and system for suction-based grasping of bagged objects
US12083669B2 (en) * 2020-04-01 2024-09-10 Ambi Robotics, Inc. End effector device and system for suction-based grasping of bagged objects
US12083670B2 (en) * 2020-04-01 2024-09-10 Ambi Robotics, Inc. End effector device and system for suction-based grasping of bagged objects
US11938618B2 (en) 2020-07-22 2024-03-26 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a passively folding vacuum gripper
US11945103B2 (en) 2020-07-22 2024-04-02 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a passively collapsing vacuum gripper
US11964386B2 (en) 2020-07-22 2024-04-23 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a vacuum gripper that provides object retention by shroud inversion
US12070851B2 (en) 2020-07-22 2024-08-27 Berkshire Grey Operating Company, Inc. Systems and methods for object processing using a vacuum gripper that provides object retention by evacuation

Also Published As

Publication number Publication date
DE2263732B1 (de) 1974-02-14
JPS5241835B2 (es) 1977-10-20
IT994423B (it) 1975-10-20
FR2330269A5 (fr) 1977-05-27
GB1456399A (en) 1976-11-24
DE2263732C2 (de) 1974-09-26
JPS4989048A (es) 1974-08-26

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