WO1999030997A1 - Klammer zum halten von flächigen gegenständen - Google Patents
Klammer zum halten von flächigen gegenständen Download PDFInfo
- Publication number
- WO1999030997A1 WO1999030997A1 PCT/CH1998/000406 CH9800406W WO9930997A1 WO 1999030997 A1 WO1999030997 A1 WO 1999030997A1 CH 9800406 W CH9800406 W CH 9800406W WO 9930997 A1 WO9930997 A1 WO 9930997A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamp
- actuating device
- legs
- end position
- leg
- Prior art date
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
- B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
Definitions
- the present invention relates to a clamp for holding flat objects, in particular flexible objects such as single and multi-sheet printed products, according to the preamble of claim 1 and a conveyor device with a number of such clamps for conveying a product formation.
- a known clip of this type as disclosed in EP-A-0 767 125, has two clip legs which are rotatably mounted on a bearing axis. These clamp legs are held in a closed position by a closing device which receives the clamp legs between them. When pivoting or during a translatory movement of the locking device, the clamp legs can pivot away from one another into their open or release position. In order to influence the movement of the staple legs in the open or release position, a compression spring is provided between the staple legs, which exerts a spreading force on the staple legs and thus holds the staple legs in a given open position.
- the present invention has for its object to provide a clip of the type mentioned, in which with a simple mechanical structure, the clip legs move back and forth safely and precisely between the closed and the open position and thereby around one Compared to a bracket according to the prior art, significantly larger angles can be pivoted.
- the actuating device which in one end position presses the clamp legs against one another in their closed position, causes a controlled pivoting of the clamp leg (s) into the open position by means of the expansion element when it moves into its other end position.
- the movement of the clamp legs from the closed position to the open position and vice versa is thus actively controlled by the actuating device alone, without additional elements being required for this.
- the possibility of actively moving the clamp legs in two opposite directions allows the two clamp legs to be closed at a certain point in time in a controlled, precise manner
- a conveyor equipped with clamps according to the invention forms the subject of claim 7. Special developments of this conveyor are defined in dependent claims 8-13.
- 1 is a side view of a bracket for holding flat objects
- FIG. 2 is a view in the direction of arrow II shown in FIG. 1,
- FIGS. 1 and 2 on a scale enlarged compared to FIGS. 1 and 2 in side view and partly in section the upper region of the clip shown in FIGS. 1 and 2,
- FIGS. 1-3 are side views and partially in section of a conveyor equipped with clamps according to FIGS. 1-3,
- FIG. 5 shows the conveyor device according to FIG. 4 in plan view, 6, in a representation corresponding to FIG. 4, a second embodiment of a conveyor device with clamps according to FIGS. 1-3,
- FIGS. 1-3 shows a top view of a third embodiment of a conveyor device with clamps according to FIGS. 1-3.
- This clip 1 has two clip legs 2, 3 of the same length, which are individually rotatably supported on a bearing axis 4.
- the pivot axis of the two clamp legs 2, 3 is designated 4a in FIG. 2.
- the bearing axis 4 is mounted in a bearing part 5.
- tabs 8 or 9 are formed on their end parts, which grip around the bearing axis 4 and are arranged alternately in the longitudinal direction thereof. As shown in FIGS. 1-3, the two end parts 6, 7 of the clamp legs 2, 3 intersect, ie the tabs 8 of the end part 6 pass through the end part 7 of the other clamp leg 3 and vice versa.
- the two clamp legs 2, 3 can be pivoted back and forth between a closed position and an open or release division. 1 and 3, the clamp legs 2, 3 in the closed position are shown with solid lines. In contrast, the clamp legs 2, 3 in the open position are indicated by dash-dotted lines in these figures and denoted by 2 'and 3', respectively. As can be seen from FIG. 1, the two clamp legs 2, 3 are symmetrical with respect to a central plane M in the closed position. The elastic clamp legs 2, 3 are pretensioned in such a way that in the closed position they exert a clamping force with their free ends on the detected object, not shown in FIGS. 1-3. This is indicated in Fig. 1 by the dash leg ends shown in dashed lines, which would cross over in the closed position, they would not be in contact with each other.
- the actuating device 12 can be displaced back and forth in the direction of arrow A between a first end position 13 and a second end position 14.
- the direction of displacement A runs at right angles to the pivot axis 4a of the clamp legs 2, 3.
- the devices, for example control cams, for translatory displacement of the actuating device 12 are not shown in FIGS. 1-3.
- the displacement forces C, D act on two sides opposite each other with respect to the clamp legs 2, 3, thereby avoiding that torque is exerted on the clamp 1 when the actuating device 12 is displaced.
- the point at which the end parts 6, 7 of the clamp legs 2, 3 cross in the closed position lies between the two end positions 13, 14 of the actuating device 12.
- the actuating device 12 has an expansion element 15 arranged between the clamp legs 2, 3 and two closing elements 16, 17 which run on the outer sides of the clamp legs 2, 3.
- the spreading element 15 is firmly connected to the closing elements 16, 17.
- the clamp legs 2, 3 extend between the expansion element 15 and one of the closing elements 16, 17.
- the two clamp legs 2, 3 each have an offset 18 or 19 (FIG. 3).
- a latching surface 20 or 21 is formed by each of these offsets 18, 19 and lies on the outer side 22 or 23 of the clamp legs 2 or 3.
- the clamp legs 2, 3 assume their closed position, in which, as mentioned, they exert a clamping effect on the detected object.
- the closing elements 16, 17 apply a clamping force K1 or K2 to the outer side 22 or 23 of the associated clamp leg 2, 3 (FIG. 3).
- the actuating device 12 is secured in its position by the latching surfaces 20, 21.
- the expansion element 15 acts on the inner side 24 or 25 of the clamp legs 2, 3 and exerts an opening force P1 or P2 (FIG. 3) on the latter.
- P1 or P2 FIG. 3
- the closed position can be pivoted securely and forcibly into the open position 2 ', 3' by the angle ⁇ (FIG. 1).
- a large swivel angle ⁇ is possible because the clamp legs 2, 3 are each rotatably supported individually and the end parts 6, 7 of the clamp legs 2, 3 cross, as mentioned, when the clamp 1 is closed.
- the closing elements 16, 17 are offset with respect to the expansion element 15 in the direction of the bearing axis 4 as seen in the direction of displacement A, these closing elements 16, 17 do not hinder the spreading of the clamp legs 2, 3.
- clamps of the type described with reference to FIGS. 1-3 are particularly suitable for use in conveyors which transport these formations of flat objects in the area of a (or if necessary, capture both) side margins.
- FIGS. 4-8 Various variants of such conveying devices will now be explained in more detail with reference to FIGS. 4-8, with parts corresponding to themselves in these FIGS. 4-8 the same reference numerals are used as in Figs. 1-3.
- each gripper 1 is with a bearing part 5 of each gripper 1 in the conveyor device shown in FIGS. 4 and 5.
- Fastening element 27 connected, wherein the bearing parts 5 are preferably formed in one piece with the associated fastening element 27.
- the fastening elements 27 are fastened at regular intervals to a transport means 28, only shown schematically, which is driven in a manner not shown in the direction of the arrow F (FIG. 5).
- This conveying means is guided in a guide channel 29, for example by means of wheels 30.
- the conveying means 28 can, for example, be a pulling element, in particular a chain. Besides that, it can
- Transport means 28 are formed by individual carriages guided in the guide channel 29, which are either connected to one another or separated from one another and drive one another in the conveying direction F by thrust forces.
- the product formation S to be conveyed is formed by overlapping products E which e.g. can be single or multi-sheet printed matter.
- the product formation S which in the present case is a scale formation, lies on a support 31 in the area of the takeover by the conveying device. As soon as the brackets 1 have grasped the product formation S, such a support 31 is no longer required.
- the grippers 1 capture the product formation S in an area 32 which is connected to the connects a side edge E 'of the products E, that is to say laterally. It can be seen from FIG. 4 that the grippers 1 are guided, at least in the takeover area, in such a way that in the closed position of the clamp legs 2, 3 their center plane M coincides approximately with the center plane G of the product formation S. This is achieved on the one hand by guiding the transport means 28 in the guide 29 and on the other hand by arranging the bearing axes 4 parallel to the conveying direction F.
- the plane is indicated with 33, which is fixed in the open position of the clamp legs 2 ', 3' by their free ends.
- This level 33 lies outside the conveyor path of the product formation S, which facilitates the lateral merging of the product formation S and the conveyor device for the purpose of detecting the product formation S. Since, as mentioned, the clamp legs 2 ', 3' can be opened by a large angle, it is possible to take the conveying device very close to the side edge E 'when taking over the product formation S.
- the clips 1 are attached directly to the conveyor 28 with the one clip leg 2. This means that when the actuating device 12 is moved between the two end positions 13, 14, only the other clamp leg 3 is pivoted by the angle ⁇ .
- FIGS. 7 and 8 differs from that according to FIGS. 4 and 5 by a different design of the fastening element 34, by means of which a gripper 1 is fastened to the transport means 28.
- This fastening element 34 is formed in one piece with the bearing part 5 for the bearing axis 4 and has two arms 36, 37 projecting away (FIG. 8).
- the two arms 36, 37 extend laterally of the end parts 6, 7 of the clamp legs 2, 3 and each have a guide surface 38 and 39 for the actuating device 12.
- the actuating device 12 is thus laterally by these guide surfaces 38, 39, which in
- Movement direction A of the actuating device 12 run, guided.
- the actuating device 12 rests with the one closing element 17 on these guide surfaces 38, 39.
- the clamps 1 cannot turn around the pivot axis 4a even if the product formation S no longer lies on the support 31.
- the central plane G of the product formation S and the central plane M of the closed brackets 1 coincide during the entire transport. This enables the product formation S to be guided easily in space without the need for complex guide means.
- the expansion element 15 can be formed in two parts. In this case, one of the two spaced apart expansion element parts is then assigned to one of the two clamp legs 2, 3.
- the one- or two-part expansion element 15 does not necessarily have to extend over the entire width of the clamp legs 2, 3. It is also conceivable to form the spreading element 15 instead of as shown as a continuous web by two elongate spreading parts, each of which engages a distance between the clamp legs 2, 3, the ends of which lie at a distance from one another.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98942447A EP1040065B1 (de) | 1997-12-17 | 1998-09-21 | Klammer zum halten von flächigen gegenständen |
AU90600/98A AU9060098A (en) | 1997-12-17 | 1998-09-21 | Clamp for holding flat objects |
US09/555,180 US6290227B1 (en) | 1997-12-17 | 1998-09-21 | Clamp for holding flat objects |
DK98942447T DK1040065T3 (da) | 1997-12-17 | 1998-09-21 | Klemme til fastholdelse af flade genstande |
CA002308501A CA2308501C (en) | 1997-12-17 | 1998-09-21 | Clamp for holding flat objects |
DE59804210T DE59804210D1 (de) | 1997-12-17 | 1998-09-21 | Klammer zum halten von flächigen gegenständen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH290197 | 1997-12-17 | ||
CH2901/97 | 1997-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999030997A1 true WO1999030997A1 (de) | 1999-06-24 |
Family
ID=4244165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1998/000406 WO1999030997A1 (de) | 1997-12-17 | 1998-09-21 | Klammer zum halten von flächigen gegenständen |
Country Status (7)
Country | Link |
---|---|
US (1) | US6290227B1 (de) |
EP (1) | EP1040065B1 (de) |
AU (1) | AU9060098A (de) |
CA (1) | CA2308501C (de) |
DE (1) | DE59804210D1 (de) |
DK (1) | DK1040065T3 (de) |
WO (1) | WO1999030997A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030159956A1 (en) * | 2002-02-26 | 2003-08-28 | Woos Michael T. | Display backing card |
SG121961A1 (en) * | 2004-10-19 | 2006-05-26 | Jettech Ltd | Feeder belt for strip-shaped parts |
US8245377B2 (en) | 2005-06-22 | 2012-08-21 | Automated Solutions | Device for securing trim to a seat |
US9638224B1 (en) | 2015-09-28 | 2017-05-02 | II Donald Bruce Westfall | Weight-actuated panel holder and holder assembly including the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0243582A2 (de) * | 1986-04-29 | 1987-11-04 | SFT AG Spontanfördertechnik | Vorrichtung zum Erfassen, Transportieren und Freigeben von Druckereierzeugnissen |
EP0247315A1 (de) * | 1986-05-27 | 1987-12-02 | Am International Incorporated | Apparat zum Handhaben von blattförmigem Gut |
EP0767125A1 (de) * | 1995-10-03 | 1997-04-09 | Ferag AG | Klammer für flächige Gegenstände |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2523560A1 (fr) * | 1982-03-19 | 1983-09-23 | Sapivog | Prehenseur pour nappe textile ou similaire |
US4534843A (en) * | 1983-01-28 | 1985-08-13 | Technic, Inc. | Apparatus for electroplating and chemically treating contact elements of encapsulated electronic components and their like |
FR2547801B2 (fr) * | 1983-06-24 | 1986-01-03 | Vosgienne Applications Ind | Installation de prehension, de transfert et de retournement d'une nappe textile |
SE468765B (sv) * | 1991-05-24 | 1993-03-15 | Wamag Idab Ab | Sidogripande transportoer |
US5755436A (en) | 1995-10-03 | 1998-05-26 | Reist; Walter | Clamp for sheet-like articles |
-
1998
- 1998-09-21 DK DK98942447T patent/DK1040065T3/da active
- 1998-09-21 US US09/555,180 patent/US6290227B1/en not_active Expired - Fee Related
- 1998-09-21 EP EP98942447A patent/EP1040065B1/de not_active Expired - Lifetime
- 1998-09-21 CA CA002308501A patent/CA2308501C/en not_active Expired - Fee Related
- 1998-09-21 WO PCT/CH1998/000406 patent/WO1999030997A1/de active IP Right Grant
- 1998-09-21 AU AU90600/98A patent/AU9060098A/en not_active Abandoned
- 1998-09-21 DE DE59804210T patent/DE59804210D1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0243582A2 (de) * | 1986-04-29 | 1987-11-04 | SFT AG Spontanfördertechnik | Vorrichtung zum Erfassen, Transportieren und Freigeben von Druckereierzeugnissen |
EP0247315A1 (de) * | 1986-05-27 | 1987-12-02 | Am International Incorporated | Apparat zum Handhaben von blattförmigem Gut |
EP0767125A1 (de) * | 1995-10-03 | 1997-04-09 | Ferag AG | Klammer für flächige Gegenstände |
Also Published As
Publication number | Publication date |
---|---|
EP1040065B1 (de) | 2002-05-22 |
CA2308501A1 (en) | 1999-06-24 |
CA2308501C (en) | 2007-01-02 |
DK1040065T3 (da) | 2002-07-08 |
US6290227B1 (en) | 2001-09-18 |
DE59804210D1 (de) | 2002-06-27 |
AU9060098A (en) | 1999-07-05 |
EP1040065A1 (de) | 2000-10-04 |
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