Sheet feeding or delivering – Delivering – By endless conveyor
Patent
1997-03-12
1999-08-03
Young, Karen M.
Sheet feeding or delivering
Delivering
By endless conveyor
271205, B65H 2904
Patent
active
059314591
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention is for a device for delivery of selected items from a conveyer. The items are then fixed to the conveyor by means of a separate holding device for each item.
The device according to the present invention is primarily intended to be used for handling and conveyance of newspapers and magazines. The gripping devices of the conveyor are designed as clamps, where the clamp is closed by spring loading and can be opened by actuating one of the two parts of the clamp.
The production of magazines and newspapers takes place using printers and other equipment with great capacity and may be 10-20 copies per second. These shall be distributed both as stacks for further distribution and as single copies for checking and other purposes. Therefore, the finished copies are picked up by a conveyor having several delivery stations. The papers are then held by clamps on the conveyor. These clamps are positioned at a defined and equal distance from each other. The device according the the invention is connected to these delivery stations.
SUMMARY OF THE INVENTION
The device according to the invention comprises that the clamps are opened by actuating an arm which is part of one shank of each clamp. The arm is actuated by cams which are mounted at the periphery of a wheel which rotates synchronously with the conveyor. The cams are movable and there is a control system which determines whether each cam shall be in a position where it actuates or does not actuate the corresponding clamp. In a preferred embodiment of the invention the clamp and the device are symmetric having a plane of symmetry in the middle of the conveyor in its direction of movement.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be described with reference to the embodiment shown in the following figures.
FIG. 1 shows a part of a conveyor having a device according to the invention;
FIG. 2 shows the device according to the invention as seen from the side;
FIG. 3 shows a cross-section of the device of FIG. 2; and
FIG. 4 shows a clamp of the conveyor.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring now to FIGS. 1-4, the conveyor comprises an endless band or chain 4 which carries a number of clamps 50 which are arranged at equal distance from each other and each having relative to the band 4 a fixed part 2 and a movable part 1. The movable part can turn relative to the fixed part around a shaft 3 and also comprises an arm 5 which extends out from the movable part on the other side of the shaft 3. The arm 5 carries a wheel 6. The movable part 1 of the clamp 50 is spring-loaded by a spring 30 so that, if it is not affected by other forces, it rests onto the fixed part 2. The clamp 50 can be opened thereby that the wheel 6 on the arm 5 is actuated. The object which is transported is during the transportation clamped between the clamping surfaces 31 and 32 of the fixed and movable part, respectively, of the clamp 50. The clamp 50 is connected to the conveyor 4 by wheel 33 and is linked to a number of identical clamps 50 connected to or disposed on the conveyor 4.
As shown in FIG. 3, the device for actuating the clamps 50 is double-sided and the two sides are of identical design and that the two sides are offset rotationally by above 45 degrees. Each side of the device can actuate every second clamp 50 of the conveyor. The following description, therefore, refers to one side only. The device comprises several cams 7, 7A which are intended to influence the wheel 6 of the clamp 50 which is to be opened. Each cam 7, 7A is part of a cam holder 14, which is movably or slidably attached to a holder 13 which in turn is mounted on a wheel 8. The holder 14 with the cam 7 can be moved to the right or the left as the device is shown in FIG. 3. On the holder 14 there is also a wheel 16 intended to be actuated when the cam 7 shall be moved. The wheel 8 is adjustably attached to the shaft 11 by means of screws 12. By pulleys 27, 28 and a cog band 42 this shaft 11 is in turn connected to a shaft 26 which is
REFERENCES:
patent: 1079218 (1913-11-01), Curtis
patent: 1540687 (1925-06-01), Feistel et al.
patent: 4205837 (1980-06-01), Von Hein et al.
patent: 4799664 (1989-01-01), Burger
patent: 5320341 (1994-06-01), Pease et al.
McAllister Steven B.
Sten Wallsten Industries AB
Young Karen M.
LandOfFree
Conveyor device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Conveyor device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Conveyor device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-842000