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GB895640A - Sheet gripping means for cutting and creasing press - Google Patents

Sheet gripping means for cutting and creasing press

Info

Publication number
GB895640A
GB895640A GB27843/58A GB2784358A GB895640A GB 895640 A GB895640 A GB 895640A GB 27843/58 A GB27843/58 A GB 27843/58A GB 2784358 A GB2784358 A GB 2784358A GB 895640 A GB895640 A GB 895640A
Authority
GB
United Kingdom
Prior art keywords
link
sheet
slat
jaws
jaw
Prior art date
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
Application number
GB27843/58A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
S&S Corrugated Paper Machinery Co Inc
Original Assignee
S&S Corrugated Paper Machinery Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by S&S Corrugated Paper Machinery Co Inc filed Critical S&S Corrugated Paper Machinery Co Inc
Publication of GB895640A publication Critical patent/GB895640A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/045—Details of grippers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

895,640. Cutting-machines. S. & S. CORRUGATED PAPER MACHINERY CO. Inc. Aug. 29, 1958 [Sept. 18, 1957], No. 27843/58. Class 31 (1). [Also in Group XVI] A cutting and creasing press, such as described in Specification 772,648, has a gripping member for engaging the leading edge of a sheet which comprises a hollow slat 600, a plurality of spaced stationary jaws 602 carried by the slat, a plurality of complementary movable jaws 604 extending through the slat, and means operable within the slat to engage with a movable jaw to move it away from the stationary jaw. As shown in Fig. 2 each movable jaw 604 has a toothed end 603, is pivoted at 605, and is biased into sheet-gripping position by a spring 608. Bottom openings 613 are provided in slat 600 to allow extension 273 of jaw-operating system 270 (Figs. 3 and 4) access to upper jaws 604. Extension 273 is guided between posts 620 and is connected to a link 271, pivoted at 272 and in turn connected to link 275. Link 275 is reciprocated by a cam 282 acting on a further link 278 one end of which is connected to link 275, the other end being pivoted on a shaft 280. The link 278 is urged into contact with the cam 282 by a compression-spring 283. When the slat is in the position shown in Fig. 3 the extension 273 enters the opening 613 to raise the movable jaw 604 away from the fixed jaw 602 ready to grip a sheet 9. At the same time a further system of links 301, 305, also connected to the link 278 prevents the slat from rotating while the extension 273 is opening the gripper jaws. A similar jaw-operating system may be used to open the grippers at the sheet delivery position. A sheet stop-member 250, to position a sheet 9 with respect to jaws 602, 604, and sheet guide elements 253, 325 are also provided. The stop 250 is mounted on a member 251 pivoted at 252 and connected to link 310. Link 310 is connected to a link 313 pivoted on the shaft 280 and operated by a cam 320 against the action of a spring 314. Cams 320 and 282 are timed so that when system 270 maintains the jaws open the sheet is positioned against stop 250, as shown in Fig. 3. The sheet is then gripped and the stop 250 lowered as shown in Fig. 4.
GB27843/58A 1957-09-18 1958-08-29 Sheet gripping means for cutting and creasing press Expired GB895640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US895640XA 1957-09-18 1957-09-18

Publications (1)

Publication Number Publication Date
GB895640A true GB895640A (en) 1962-05-02

Family

ID=22218338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27843/58A Expired GB895640A (en) 1957-09-18 1958-08-29 Sheet gripping means for cutting and creasing press

Country Status (1)

Country Link
GB (1) GB895640A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125640A (en) * 1990-03-24 1992-06-30 Bobst Sa Gripper bar for gripping sheet-like material within a machine to be used for producing packages
EP0680907A1 (en) * 1994-05-04 1995-11-08 Bobst S.A. Device for attaching a gripper bar to a chain system in a machine for processing sheet elements

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125640A (en) * 1990-03-24 1992-06-30 Bobst Sa Gripper bar for gripping sheet-like material within a machine to be used for producing packages
EP0680907A1 (en) * 1994-05-04 1995-11-08 Bobst S.A. Device for attaching a gripper bar to a chain system in a machine for processing sheet elements
US5555969A (en) * 1994-05-04 1996-09-17 Bobst Sa Device for fastening a gripper bar on a chain train in a machine that processes plate-like workpieces

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