US3445106A - Apparatus for receiving upon an elevationally displaceable table a stack of flat material - Google Patents

Apparatus for receiving upon an elevationally displaceable table a stack of flat material Download PDF

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Publication number
US3445106A
US3445106A US647500A US3445106DA US3445106A US 3445106 A US3445106 A US 3445106A US 647500 A US647500 A US 647500A US 3445106D A US3445106D A US 3445106DA US 3445106 A US3445106 A US 3445106A
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US
United States
Prior art keywords
stack
plate
table plate
receiving
flat material
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Expired - Lifetime
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US647500A
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English (en)
Inventor
Fernand Bays
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VIDOSA
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VIDOSA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
    • B65G51/02—Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases
    • B65G51/03—Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases over a flat surface or in troughs

Definitions

  • An apparatus for receiving a stack of substantially fiat material which is of the type comprising an elevationally displaceable table means which includes a table plate and a support member for said table plate.
  • the table plate is advantageously displaceable within limits in a substantially horizontal plane with respect to the support member upon an air cushion which can be produced between the table plate and such support member.
  • the present invention relates to an improved apparatus for receiving a stack of substantially flat material upon an ele'vationally displaceable table, in other words a table which can be raised and lowered.
  • Another, more specific object of this invention relates to the provision of an improved table means for receiving a stack of substantially flat material and which allows for fine positioning of the stack into a desired position in a relatively simple, eflicient and quick manner, with a minimum of effort.
  • Still a further significant object of the present invention relates to the provision of an improved elevationally displaceable table means which is of relatively simple construction, economical to manufacture, highly reliable in operation, easy to use, and above all allows for precise location of the material supported upon such table means in desired position through quick, uncomplicated, relatively effortless shifting of a fioatingly arranged table plate of the table means which directly carries the stack of material which is to be spatially oriented in desired position.
  • the inventive apparatus for receiving a stack of substantially flat material is generally characterized by the provision of a table plate which is displaceable within limits in a substantially horizontal plane with respect to a support member upon an air cushion which can be produced between such table plate and the aforesaid support member.
  • FIGURE 1 is a vertical sectional view through a preferred embodiment of the inventive table means which is located in a position ready to receive a stack of material which is to be processed;
  • FIGURE 2 is a top plan view of the table means depicted in FIGURE 1;
  • FIGURE 3 is a vertical cross-sectional view of the table means depicted in FIGURE 1, however shown in its working position ready for the removal of the sheets of the stack located thereon;
  • FIGURE 4 is a top plan view of the table means shown in FIGURE 3;
  • FIGURE 5 is an enlarged fragmentary view showing a. detail of the location A designated in FIGURE 1;
  • FIGURE 6 is a fragmentary, top plan view of the detail showing depicted in FIGURE 5.
  • inventive table means T incorporates a frame unit 1, a base plate 2 secured to this frame unit 1, a support member in the form of an apertured plate member 3 affixed to the base plate 2, and further, a so-called table plate 4;
  • This table means T can be advantageously vertically displaced through the action of a suitable piston rod 5 or equivalent hoist structure.
  • Columns and guides which have been conveniently omitted from the drawings for purposes of simplification, serve to appropriately guide the table means T.
  • the aforementioned components 1, 2 and 3 are satisfactorily secured to one another at their mutual contact or bearing surfaces, as shown, and hence, do not move relative to one another and thus can be vertically raised and lowered as a composite unit.
  • connection nipple or stud 6 which communicates with a schematically illustrated supply 20 of pressurized fluid medium, such as compressed air, is mounted at the base plate 2.
  • the aforementioned support member in the form of the apertured plate member 3 is laterally secured in air tight fashion to the base plate 2 by means of appropriate sealing strips 7 or the like and these two plate members 2, 3 together with the sealing strips 7 enclose a substantially fiat intermediate air compartment -8, as best observed by referring to FIGURE 1.
  • this substantially horizontally arranged apertured plate member 3 is traversed by a plurality or series of open-ended bores 11, so that an air communication path exists between the aforesaid intermediate air compartment or chamber 8 and the air gap or space 12 formed in the region between the apertured plate 3 and the table plate 4 located thereover.
  • the table plate 4 bearing upon the apertured support member 3 is optionally displaceable in horizontal direction.
  • the previously considered air gap or space 12 appears above said apertured plate 3.
  • the table plate 4 exhibits a downwardly directed marginal portion or skirt 13 at its four sides, so that such table plate 4 can be horizontally displaced, as indicated in the drawings, with respect to the apertured support or plate member 3 until contact with such marginal portion 13.
  • elastic members for instance in the form of compression springs 16 or the like are supported at one respective end at both sides 14 and 15 of the apertured plate member 3.
  • the other or opposite end of each of these spring members 16 is supported at the downward skirt or marginal portion 13 of the table plate 4.
  • These spring members 16 strive to maintain the table plate 4 in the position shown in FIGURE 2 with respect to the other components 1, 2, and 3 of the table means T.
  • the support or bearing locations of these spring members 16 at the marginal portion 13 or at the apertured support member 3 can be displaced in horizontal direction.
  • the described apparatus is further externally provided with a plurality of substantially vertically disposed impact members 17 against which bears a stack 18 of the material to be processed and which has been placed upon the table plate 4.
  • This stack 18 of material bears upon a pallet 19 and is placed upon the table plate 4 by means of a suitable, non-illustrated stacker truck for instance.
  • This stack '18 can consist of sheet metal, paper, cardboard, plastic, foils or similar flat material.
  • the heretofore described apparatus functions as follows: If the last foil or the like of a stack 18, which has previously been deposited upon the table means T, has been automatically withdrawn or removed from the pallet 19, then the entire table means T is moved downwardly by means of the lifting mechanism, in this case for instance the piston rod 5 or equivalent structure. Now, upon introducing compressed air or the like through the connection nipple or pipe 6 into the compartment 8 such compressed air will flow through the open-ended bores 11 of the apertured plate member 3 and beneath the area of the table plate '4. This compressed air provides an air cushion in the air gap 12 between the table plate 4 and the apertured plate member 3, so that the table plate 4 can be easily raised and is maintained in so-called floating condition with respect to the apertured plate member 3. It should further be appreciated that the compressed air then flows between the table plate 4 and the apertured plate member 3 towards the marginal portion or skirt 13 of the aforesaid table plate 4, and from this location such air flows into the surrounding atmosphere.
  • the lifting mechanism in this case for instance the piston rod 5 or equivalent structure
  • the reduction in the height of the stack 18 is compensated by upward displacement of the table means T by means of the piston rod 5 or equivalent structure.
  • the table means is located in the position shown in FIGURES 3 and 4 and the elastic spring members 16 are pre-stressed.
  • These spring members 16 are advantageously constructed and dimensioned in such a manner that they cannot displace the table plate 4 from the position of FIGURES 3 and 4 into the position of FIGURES 1 and 2 when no air cushion has been built up between the table plate 4 and the apertured plate or support member 3.
  • An apparatus for receiving a stack of substantially flat material comprising a table means, means for elevationally displacing said table means, said table means including a table plate and a support member for said table plate, means for displacing said table plate within limits in a substantially horizontal plane with respect to said support member, and means for producing an air cushion between said table plate and said support member, said table plate being displaceable in said substantially horizontal plane upon said air cushion.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
US647500A 1966-06-24 1967-06-20 Apparatus for receiving upon an elevationally displaceable table a stack of flat material Expired - Lifetime US3445106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH915366A CH442142A (de) 1966-06-24 1966-06-24 Vorrichtung zur Aufnahme eines aus flächigem Material bestehenden Stapels, mit einem heb- und senkbaren Tisch

Publications (1)

Publication Number Publication Date
US3445106A true US3445106A (en) 1969-05-20

Family

ID=4348920

Family Applications (1)

Application Number Title Priority Date Filing Date
US647500A Expired - Lifetime US3445106A (en) 1966-06-24 1967-06-20 Apparatus for receiving upon an elevationally displaceable table a stack of flat material

Country Status (4)

Country Link
US (1) US3445106A (de)
CH (1) CH442142A (de)
DE (1) DE1531087B1 (de)
GB (1) GB1154094A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022997A (en) * 1958-11-24 1962-02-27 William Q Pendley Sheet transfer device
US3025052A (en) * 1958-02-25 1962-03-13 Ibm Sheet feeding device
US3260402A (en) * 1964-05-15 1966-07-12 Eastman Kodak Co Sheet dispensing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2176307A (en) * 1938-12-31 1939-10-17 George E Lamb Conveyer
US2938590A (en) * 1957-12-09 1960-05-31 Henry W Barnett Conveying device
GB1002072A (en) * 1963-05-14 1965-08-25 Ici Ltd Improvements in or relating to conveyors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025052A (en) * 1958-02-25 1962-03-13 Ibm Sheet feeding device
US3022997A (en) * 1958-11-24 1962-02-27 William Q Pendley Sheet transfer device
US3260402A (en) * 1964-05-15 1966-07-12 Eastman Kodak Co Sheet dispensing device

Also Published As

Publication number Publication date
CH442142A (de) 1967-08-15
DE1531087B1 (de) 1969-11-06
GB1154094A (en) 1969-06-04

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