Mechanism for diverting signatures by the rotation of surfaces

• US 5,702,100 A
• Filed: 03/25/1996
• Issued: 12/30/1997
• Est. Priority Date: 03/25/1996
• Status: Expired due to Term

• Current Assignee: Shanghai Electric (Group) Corporation (City of Shanghai)
• Original Assignee: Heidelberger Druckmaschinen Ag, Heidelberg Harris
• Inventors: Belanger, Roger Robert, Novick, Michael Alexander
• Primary Examiner(s): SKAGGS JR, H GRANT
• Application Number:
  US08/620,827
• Time in Patent Office: 645 Days
• Field of Search: 271/302, 271/303, 271/305, 271/315, 271/187
• US Class Current: 271/302
• CPC Class Codes: B65H 2404/2613 Means for changing the transport path, e.g. deforming, lengthening
• CPC Class Codes: B65H 29/40 Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
• CPC Class Codes: B65H 29/58 Article switches or diverters

Abstract

A diverter mechanism for signatures in a folding apparatus is provided including a set of high-speed tapes (3) for conveying signatures in a conveying plane (1) toward delivery stations (12, 13). Rotating diverting elements (7.1, 7.2) are integrated into the path of the high speed tapes (3). Each of the diverting elements (7.1, 7.2) has at least two rotatably mounted guiding surfaces (10) that alter the diverting direction of signatures upon rotation of the diverting elements (7.1, 7.2).

Claims

1. A diverter mechanism for signatures in a folding apparatus comprising:

a first high-speed tape and a second high-speed tape, wherein adjacent portions of the first and second high-speed tapes form a signature conveying path for conveying the signatures toward a delivery station;

a first rotating diverting element adjacent to the first high-speed tape and a second rotating diverting element adjacent to the second high-speed tape, each of the first and second diverting elements having at least two guiding surfaces mounted thereto, wherein each of the guiding surfaces is mounted for rotation about a respective guiding surface axis, and wherein each of the guiding surface axes are separated from one another,

wherein an orientation of the guiding surfaces of the first diverting element relative to an orientation of the guiding surfaces of the second diverting element defines a portion of the signature conveying path to control delivery of the signatures to a desired location within the delivery station.

2. The diverter mechanism according to claim 1, wherein the first diverting element includes a first support rotating about a first support axis, and wherein the second diverting element includes a second support rotating about a second support axis.

3. The diverter mechanism according to claim 2, wherein simultaneous rotation of the first and second diverting elements causes one of the at least two rotatably mounted guiding surfaces of the first diverting element to cooperate with one of the at least two rotatably mounted guiding surfaces of the second diverting element to divert each of the first and second high-speed tapes away from a centerline defined between the first and second support axes.

4. The diverter mechanism according to claim 3, wherein the at least two rotatably mounted guiding surfaces of the first diverting element are mounted on the first support in a planetary arrangement, and wherein the at least two rotatably mounted guiding surfaces of the second diverting element are mounted on the second support in a planetary arrangement.

5. The diverter mechanism according to claim 2, wherein the delivery station includes a first fan wheel and a second fan wheel, each one of the first and second fan wheels having a plurality of fan pockets for receiving signatures;

and

further including a drive for selectively driving the first and second diverting elements about the first and second support axes to alternate delivery of the signatures between the fan pockets of the first fan wheel and the fan pockets of the second fan wheel.

6. The diverter mechanism according to claim 5, wherein when the orientation of the first diverting element relative to the second diverting element is maintained constant signatures are continually diverted to one of the first fan wheel and the second fan wheel.

7. The diverter mechanism according to claim 2, wherein timing of a change of the orientation of the first and second diverting elements relative to one another is controlled based on the length of the signatures being conveyed.

8. The diverter mechanism according to claim 1, wherein the at least two rotatably mounted guiding surfaces of each of the first and second diverting elements contact the respective one of the first and second high-speed tapes.

9. The diverter mechanism according to claim 8, wherein each of the first and second high speed tapes includes respective signature-contacting and signature-non-contacting surfaces, and wherein contact between the guiding surfaces and each one of the first and second high-speed tapes occurs on the signature-non-contacting surfaces of the respective one of the first and second high speed tapes.

10. The diverter mechanism according to claim 1, wherein the first and second diverting elements are located on opposite sides of a centerline, and wherein the at least two rotatably mounted guiding surfaces of each of the first and second diverting elements divert the signature conveying path laterally with respect to the centerline.

11. The diverter mechanism according to claim 1, wherein the at least two rotatably mounted guiding surfaces of one of the first and second diverting elements cooperate with the at least two rotatably mounted guiding surfaces of the other one of the first and second diverting elements to direct the signatures over a guide member.

12. The diverter mechanism according to claim 1, wherein the delivery station includes a pair of fan wheels, and wherein the orientation of the guiding surfaces of the first diverting element with respect to the orientation of the guiding surfaces of the second diverting element defines the signature delivery path so that the signatures are delivered to a selected one of the fan wheels.

13. The diverter mechanism for signatures in a folding apparatus, comprising:

a first high-speed tape forming a first closed path and a second high-speed tape forming a second closed path, the first and second high-speed tapes for conveying the signatures in a signature conveying plane toward a delivery station;

a first rotating diverting element adjacent to and inside of the first closed loop path and a second rotating diverting element adjacent to and inside of the second closed loop path, each one of the first and second diverting elements having at least two rotatably mounted guiding surfaces mounted thereto;

wherein the first diverting element includes a first support rotating about a first support axis, and wherein the second diverting element includes a second support rotating about a second support axis;

wherein the first support has a first end and a second end, and wherein the at least two rotatably mounted guiding surfaces of the first diverting element include a first guiding surface mounted on the first end of the first support and a second guiding surface mounted on the second end of the first support, the first guiding surface being 180 degrees offset from the second guiding surface, and

wherein the second support has a first end and a second end, and wherein the at least two rotatably mounted guiding surfaces of the second diverting element include a third guiding surface mounted on the first end of the second support and a fourth guiding surface mounted on the second end of the second support, the third guiding surface being 180 degrees offset from the fourth guiding surface, and

wherein a first plane defined between the first and second guiding surfaces is 90 degrees offset from a second plane defined between the third and fourth guiding surfaces.

14. The diverter mechanism according to claim 13, wherein simultaneous rotation of each of the first and second diverting elements causes one of the at least two rotatably mounted guiding surfaces of the first diverting element to encroach a space between the at least two rotatably mounted guiding surfaces of the second diverting element to divert each of the first and second high-speed tapes away from a centerline defined between the first and second support axes.

15. A diverter mechanism, for signatures in a folding apparatus, comprising:

a first high-speed tape forming a first closed path and a second high-speed tape forming a second closed path, the first and second high-speed tapes for conveying the signatures in a signature conveying plane toward a delivery station;

a first rotating diverting element adjacent to and inside of the first closed loop path and a second rotating diverting element adjacent to and inside of the second closed loop path, each one of the first and second diverting elements having at least two rotatably mounted guiding surfaces mounted thereto;

wherein the first diverting element includes a first support rotating about a first support axis, and wherein the second diverting element includes a second support rotating about a second support axis

wherein the at least two rotatably mounted guiding surfaces of the first diverting element are mounted on the first support in a planetary arrangement, and wherein the at least two rotatably mounted guiding surfaces of the second diverting element are mounted on the second support in a planetary arrangement, and

wherein simultaneous rotation of each of the first and second diverting elements causes one of the at least two rotatably mounted guiding surfaces of the first diverting element to encroach a space between the at least two rotatably mounted guiding surfaces of the second diverting element to divert each of the first and second high-speed tapes away from a centerline defined between the first and second support axes.

16. A diverter mechanism for selectively diverting signatures towards different delivery stations, comprising:

a first high speed tape;

a second high speed tape cooperating with the first high-speed tape to form a signature conveying path for transporting signatures;

a first rotating diverting element adjacent to the first high-speed tape and a second rotating diverting element adjacent to the second high-speed tape, each of said first and second diverting elements having at least two rotatably mounted guiding surfaces mounted thereto, so that each of the rotatably mounted guiding surfaces rotates about a respective guiding surface axis which is separated from each of the guiding surface axes of the other guiding surfaces; and

a drive for selectively rotating the first and second rotating diverting elements to control the signature conveying path so that the signatures are diverted to one of a pair of delivery stations.

17. The diverting mechanism according to claim 16, wherein

the first rotating diverting element includes a first pair of guiding surfaces mounted for rotation about a first support axis, and

the second rotating diverting element includes a second pair of guiding surfaces mounted for rotation about a second support axis.

18. The diverting mechanism according to claim 17, wherein

the first pair of guiding surfaces form a first circumferential envelope as they rotate about the first axis, and the second pair of guiding surfaces form a second circumferential envelope as they rotate about the second axis, the first and second circumferential envelopes partially overlapping each other.

19. The diverting mechanism according to claim 16, wherein

the first rotating diverting element includes three guiding surfaces mounted in a planetary arrangement for rotation about a first support axis, and

the second rotating diverting element includes three guiding surfaces mounted in a planetary arrangement for rotation about a second support axis.

20. The diverting mechanism according to claim 19, wherein the three guiding surfaces of the first diverting element form a first circumferential envelope as they rotate about the first support axis, and the three guiding surfaces of the second diverting element form a second circumferential envelope as they rotate about the second support axis, the first and second circumferential envelopes partially overlapping each other.