Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1999-01-07
2000-02-29
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Endless conveyor
198842, B65G 2304
Patent
active
060298006
ABSTRACT:
The invention concerns a conveyor for packages, especially a conveyor for flexible packages such as newspapers, textiles or sacks. The conveyor includes a plurality of sequential, parallel and spaced rollers, which form a conveying surface and are perpendicular to a direction of conveyance. Along their length, the rollers have alternating cylindrical sections and narrowing sections. The narrowing sections narrow to both sides of a highest point along the length of the roller toward the cylindrical sections. A plurality of continuous belts are guided around groups of sequential rollers and run in the direction of conveyance to bridge gaps between the spaced rollers. The belts are positioned around the narrowing sections at the maximum diameter thereof. In order to create a conveyor for packages that is less prone to disturbances, it is preferred that the diameters and the widths of the narrowing sections and the cylindrical sections of the rollers be selected in relation to a width and/or thickness of the belts, such that when a belt is deflected by a package from the highest point of the narrowing section toward the cylindrical section, the belt will lose contact with the package as the package remains on the neighboring belts or the highest point of the roller. The belt thus can independently return to the highest point of the narrowing section, as the belt is driven by its continuing contact with the narrowing section, before the belt is deflected to the neighboring narrowing section and after the package is transported further by the conveyor.
REFERENCES:
patent: 3122935 (1964-03-01), Morling
patent: 3808658 (1974-05-01), Looney
patent: 4140216 (1979-02-01), Conrad
patent: 5213202 (1993-05-01), Arnold
Ammeraal Brochure, paragraphs 1.1, 1.2, 1.3 and 6.6 translated.
International PCT application, publication No. WO 94/04850, published Mar. 3, 1994, entitled Belt Guide Pulley.
Ammeraal Brochure, entire document.
Bonifer Edgar
Jahns Werner
Kratz Helmut
Bidwell James R.
Mannesmann Aktiengesellschaft
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