GB1218433A - Devices for picking up pieces of sheet material from a stack of pieces - Google Patents
Devices for picking up pieces of sheet material from a stack of piecesInfo
- Publication number
- GB1218433A GB1218433A GB662968A GB662968A GB1218433A GB 1218433 A GB1218433 A GB 1218433A GB 662968 A GB662968 A GB 662968A GB 662968 A GB662968 A GB 662968A GB 1218433 A GB1218433 A GB 1218433A
- Authority
- GB
- United Kingdom
- Prior art keywords
- teeth
- strip
- piece
- pieces
- strips
- 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
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
- B65H3/00—Separating articles from piles
- B65H3/22—Separating articles from piles by needles or the like engaging the articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
1,218,433. Separating sheets. D. OLDROYD. 26 Feb., 1969 [9 Feb., 1968], No. 6629/68. Heading B8R. A device for picking up pieces of sheet material from a stack comprises means for gripping the top piece or pieces and lifting them from the stack and tubular means for piercing the upper piece or pieces and introducing gas directly between them and the next lower piece. Separating device. Fig. 2.-Metal strips 6, 13 are mounted on one face of a vertical support 5 so that strip 6 is generally fixed to the support 5, and strip 13 is slidable over the face of strip 6 in the horizontal direction. The horizontal movement of strip 13 is limited by stops 14, (15), Fig. 1 (not shown), thereon engaging with members 7, 8 rigid with strip 6. The complete assembly, comprising members 7, 8 and strips 6, 13, can be adjusted vertically by means of slots 24, 25 in members 7, 8 and releasable bolts 23. Depending from the bottom of strips 6, 13, respectively, are a series of oppositely-slanted teeth 18, 19. In an initial position, Fig. 1 (not shown), the teeth are positioned side-by-side on the strips; after penetrating the top piece of a stack 33, strip 13 is moved to the left, as viewed in Fig. 2, so that the teeth securely grip the top-piece. The entire device, including support 5 or raised and traversed to a different location where the teeth are again moved together and the sheet is dropped. Both series of teeth 18, 19 could be movable, and the depth of penetration can be adjusted for pick-up of more than one sheet. Assisting separation.-Air is supplied under pressure through tube 30 to needle member 28, the end of which extends below the points of teeth 18, 19. The needle member is suitably adjustable in penetration by means of clamp 31 and bolts 32. Suction separator.-In an alternative embodiment, Fig. 4 (not shown), the gripping teeth are replaced by a vacuum chamber (35) contacting the top piece. A needle (36) again projects through the top piece and has air under pressure supplied through it. The pressure in chamber (35) may be increased to above atmospheric to deposit the piece after separation. Cylindrical separator.-A further embodiment, not shown, involves the forming of the two series of teeth on concentric cylinders, the teeth generally pointing axially but inclined in opposite directions circumferentially of the cylinder, the tubular needle also projecting axially.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB662968A GB1218433A (en) | 1968-02-09 | 1968-02-09 | Devices for picking up pieces of sheet material from a stack of pieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB662968A GB1218433A (en) | 1968-02-09 | 1968-02-09 | Devices for picking up pieces of sheet material from a stack of pieces |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1218433A true GB1218433A (en) | 1971-01-06 |
Family
ID=9817940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB662968A Expired GB1218433A (en) | 1968-02-09 | 1968-02-09 | Devices for picking up pieces of sheet material from a stack of pieces |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1218433A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0128480A2 (en) * | 1983-06-02 | 1984-12-19 | Richard Rhodes Walton | Fabric pickup |
WO1985002389A1 (en) * | 1983-11-29 | 1985-06-06 | Wong Paul C | A cloth pick up device |
US4892298A (en) * | 1983-06-02 | 1990-01-09 | Richard R. Walton | Device and method for pickup of sheet-form flexible fabric or the like |
GB2236307B (en) * | 1989-09-11 | 1994-05-18 | Union Special Corp | Article handler |
-
1968
- 1968-02-09 GB GB662968A patent/GB1218433A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0128480A2 (en) * | 1983-06-02 | 1984-12-19 | Richard Rhodes Walton | Fabric pickup |
EP0128480A3 (en) * | 1983-06-02 | 1986-11-05 | Richard Rhodes Walton | Fabric pickup |
US4641827A (en) * | 1983-06-02 | 1987-02-10 | Richard R. Walton | Fabric pickup and the like |
US4892298A (en) * | 1983-06-02 | 1990-01-09 | Richard R. Walton | Device and method for pickup of sheet-form flexible fabric or the like |
WO1985002389A1 (en) * | 1983-11-29 | 1985-06-06 | Wong Paul C | A cloth pick up device |
GB2236307B (en) * | 1989-09-11 | 1994-05-18 | Union Special Corp | Article handler |
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