US1027598A - Means for feeding metal sheets. - Google Patents

Means for feeding metal sheets. Download PDF

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Publication number
US1027598A
US1027598A US58105310A US1910581053A US1027598A US 1027598 A US1027598 A US 1027598A US 58105310 A US58105310 A US 58105310A US 1910581053 A US1910581053 A US 1910581053A US 1027598 A US1027598 A US 1027598A
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United States
Prior art keywords
sheets
sheet
projection
metal sheets
feeding metal
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Expired - Lifetime
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US58105310A
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Otto Dempewolf
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Bremer & Brueck Mann
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Bremer & Brueck Mann
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Priority to US58105310A priority Critical patent/US1027598A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/22Separating articles from piles by needles or the like engaging the articles
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D33/00Machines for assembling lifts for heels
    • A43D33/02Gauges for heel lifts; Magazines for piling up heel lifts

Description

0. DEMPEWOLF.

MEANS FOR FEEDING METAL SHEETS.

APPLIGATION FILED SEPT. 8,1910.

1,027,598. v Patented May 28,1912.

d I 5 wuyz z 7 found by experiment UNITED STATES PATENT OFFICE OTTO :onMrEwo F, or BRUNSWICK, GERMANY, ASSIGNOR To BREMER & BRJ'L'ICK MANN, 0F BRUNSWICK, GERMANY.

MEANS FOR FEEDING METAL SHEETS.

To all whom it may concern:

Be itknown that I, OTTo DnMPEWoLr, of

the city of Brunswick, Germany, have invented certain new and useful Improvements in Means for Feeding Metal Sheets, of which the following is afull, clear, and exact specification, such as will enable others skilled in the art to which it appertains to make and use the same. 7

My invention relates to a means for feeding one at a time sheets of metal from a pile of such sheets.

The invention has various applications, but its most important use is in connection with or has parts of a machine for manufacturing tin cans in which the tin sheets are fed one at a time to the forming devices.

The object of my invention is to insure the delivery of but one sheet at a time and avoid two or more passing out either 'di-' rectly superimposed or overlapped. I have that the sheets tend to adhere to each other and this makes the operation difficult. I accomplish the purpose in view by providing means which cause the moving sheet to be flexed in one several directions, thus separating it from V the other sheets somewhat in the manner that printers flex the top sheet of a pile of paper in the act of separating that sheet from thepile.

My invention involves various other fea tures of importance, all of which will be fully set forth hereinafter and particularly pointed out in the claims.

Reference is nowhad to the accompanying drawings which represent, as an example, the preferred embodiment of my invention.

In these drawings-Figure 1 is a front elevation of a magazine with the table in section; and Fig. 2 is a section on the'line Of Fig. 1. i

a indicates the magazine in which, the sheets I)- are superimposed. The construc-' tion of the magazine as well as various of the other parts'may be variediwidely without departing from my invention. 'The drawings indicate the magazine in outline merely. Below the magazinev is the feeding tableQc withflsuitable devices-for engaging and advancing the sheets one at a time.

These devices are here shown as slides (Z operating in guideways e and having slide Specification of Letters Patent. Application filed September 8, 1910. Serial No.

' Patented May 28, 1912.

shoulders f projecting above the surface of the feed table a to engage the sheets one at a time. Of these slides 03 2 are shown in the drawings. N 0 means for driving the slides are shown, as this forms no part of my in-, vention. The projecting shoulders f of the slides should be of sufficient extent to engage only one sheet at a time.

9 indicates astop bar which is held to the vertical discharge'end of the magazine by any suitable means, for example, the rods k of the'drawings. This stop bar projects down to the point magazine and it is preferably rounded at its lower end as shown in Fig. 1. I also prefer slightly to round the inner side of the stop bar at its lower extremity as shown in Fig. 2. Under thelower end of the stop bar and fastened on the table 0 or formed integral therewith is a flexing projection 2'. This is separated from the lower extremity of the stop bar for a space sufiicient to permit the discharge of a single sheet. The said flexing projection z' is rounded transversely as shown in Fig. 1 and it tapers longitudinally from the end within the magazine to its highest point as shown in Fig. 2. Said flexing projection extends from the point under the stop bar inward well into the magazine.

In the operation of the device the sheets lie on the inner end of the flexing projection and they are flexed in two directions by the same, namely, they are flexed longitudinally of their line of movement by tapering in the projection 2' in a longitudinal direction and they are flexed transversely of their line of movement by the transverse curvature of said projection 2'. Therefore when the bottom sheet is engaged by the shoulder f, and drawn forward the sheet is given a series of diverse flexureswhichtend to sepa rate it effectually from the sheet above and prevent the adherence which would other-j wise interfere with the movement of the sheet. This flexing takes place principally inlowermost or moving sheet and, the sheets above being stationary are'limperceptibly flexed. This condition 'is advantageous to I have described. described and prefer .to

the operation which 'I have'shown and employ plurality of directions, but 7 this is not strictly essential to my invention, since flex means for flexing the sheets in a ing in one direction only is but a matter of degree.

Having thus described my invention What I claim as new and desire to secure by Letters Patent of the United States is:

1. The combination with means for holding and feeding, one at a time, from the bottom of a pile of metal sheets, of a projection in the path of the moving sheet to flex the same during its movement, for the purpose specified, said projection tapering in two crossing directions to produce a plurality of fiexures in the sheet.

2. The combination of means for holding a stack of sheets and means for advancing the sheets one at a time from the bottom of the stack said holding means having a projection upon its supporting surface and partly disposed beneath sald stack so as to 20 hold the bottom sheet flexed or bent transversely of the direction of movement of said sheets as they are fed from the stack.

3. The combination of means for holding a stack of metal sheets said means presenting a substantially flat supporting surface and a projection intermediate the side edges of said surface and curved transversely and normally disposed beneath an edge portion of the stack and means upon the opposite side of said projection for advancing the sheets one at a time from the bottom of the stack and over said projection.

In testimony whereof I have signed my name to this specification in the presence of tWo subscribing Witnesses.

OTTO DEMPEWOLF.

WVitnesses ERNST Mnvns, FRIEDRICH BRANDES.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

US58105310A 1910-09-08 1910-09-08 Means for feeding metal sheets. Expired - Lifetime US1027598A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637609A (en) * 1951-01-24 1953-05-05 Berg Paul Card dispensing device
US2743103A (en) * 1952-11-03 1956-04-24 Henry M Ebner Apparatus for feeding sheet material
US2745664A (en) * 1953-03-17 1956-05-15 Thomas D Davies Card marking device
US5542571A (en) * 1994-08-08 1996-08-06 Lottery Enterprises, Inc. Dispensing/vending machine and method with double dispensing protection
US5611527A (en) * 1994-05-04 1997-03-18 Ascom Autelca Ag Device for dispensing a sheetlike object from a stack
US8940034B2 (en) 2004-07-19 2015-01-27 Thermotek, Inc. Wound care method and system with one or both of vacuum-light therapy and thermally augmented oxygenation
US9119705B2 (en) 1998-06-08 2015-09-01 Thermotek, Inc. Method and system for thermal and compression therapy relative to the prevention of deep vein thrombosis
US10016583B2 (en) 2013-03-11 2018-07-10 Thermotek, Inc. Wound care and infusion method and system utilizing a thermally-treated therapeutic agent

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637609A (en) * 1951-01-24 1953-05-05 Berg Paul Card dispensing device
US2743103A (en) * 1952-11-03 1956-04-24 Henry M Ebner Apparatus for feeding sheet material
US2745664A (en) * 1953-03-17 1956-05-15 Thomas D Davies Card marking device
US5611527A (en) * 1994-05-04 1997-03-18 Ascom Autelca Ag Device for dispensing a sheetlike object from a stack
US5542571A (en) * 1994-08-08 1996-08-06 Lottery Enterprises, Inc. Dispensing/vending machine and method with double dispensing protection
US9119705B2 (en) 1998-06-08 2015-09-01 Thermotek, Inc. Method and system for thermal and compression therapy relative to the prevention of deep vein thrombosis
US9616210B2 (en) 2003-07-18 2017-04-11 Thermotek, Inc. Wound care method and system with one or both of vacuum-light therapy and thermally augmented oxygenation
US8940034B2 (en) 2004-07-19 2015-01-27 Thermotek, Inc. Wound care method and system with one or both of vacuum-light therapy and thermally augmented oxygenation
US10016583B2 (en) 2013-03-11 2018-07-10 Thermotek, Inc. Wound care and infusion method and system utilizing a thermally-treated therapeutic agent

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