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Class Information
Number: 198/728
Name: Conveyors: power-driven > Conveyor section > Pusher conveyor and separate load support surface > Endless-orbiting pusher or its load support > Pusher connected to endless pusher-carrier
Description: Apparatus wherein a load-engaging means is attached to, or is carried by, or is part of said closed-loop assemblage.


Sub-classes under this class:

Class Number Class Name Patents
198/733 By connection to single carrier 95
198/731 By detachable or adjustable connection 109
198/732 By pivot between pusher and carrier 86
198/730 Integral element forming pusher, connection and carried link 14
198/729 With carrier drive or guide means configured to pusher 29


Patents under this class:
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Patent Number Title Of Patent Date Issued
7401696 Flexible transfer installation and foodstuff transfer system provided with the flexible transfer installation Jul. 22, 2008
7182202 Conveying device for bulk material Feb. 27, 2007
7150351 Scraper chain conveyor comprising plastic pushers Dec. 19, 2006
7093628 Method of and apparatus for forming timbers with rounded ends Aug. 22, 2006
7090070 Feeder chain wear strip Aug. 15, 2006
7036657 Conveyor chain May. 2, 2006
6968942 Feeder chain wear strip Nov. 29, 2005
6923311 Device to modify the pitch between pushers according to the length of the product Aug. 2, 2005
6769531 Pusher dog assembly Aug. 3, 2004
6698576 Method and device for transferring a product in a packaging machine Mar. 2, 2004
6662932 Chain and flight conveyor with swivel links Dec. 16, 2003
6662933 System for conveying objects Dec. 16, 2003
6629691 Paper-leaves conveying apparatus Oct. 7, 2003
6622851 Conveyor section arrangement in a filling station Sep. 23, 2003
6598732 Distributor Jul. 29, 2003
6595351 Pusher for scraper chain conveyors, especially for underground mining Jul. 22, 2003
6591976 Automatic building material transfer device Jul. 15, 2003
6499731 High speed pusher apparatus for sheet feeders Dec. 31, 2002
6485251 Pipe lifter Nov. 26, 2002
6378693 Conveyor with automatic-repositioning trippable pushers Apr. 30, 2002
6367612 Retractable pusher dog for power and free conveyors Apr. 9, 2002
6279752 Wide rectangular clarifiers Aug. 28, 2001
6273239 Conveyor device Aug. 14, 2001
6237746 Breakaway pusher for a timing belt of a mail inserter May. 29, 2001
6220455 Scraper Bar Arrangement Apr. 24, 2001
6074723 Rotating mat with holding flaps, for switching machines Jun. 13, 2000
5950540 Swingable conveyor device for printing units Sep. 14, 1999
5937999 Conveyor Aug. 17, 1999
5901833 Golf ball conveyor May. 11, 1999
5809746 Overhead flight conveyor assembly for erecting four-sided tapered paperboard cartons Sep. 22, 1998
5788837 Plastic flight type water treatment system for rectangular clarifiers Aug. 4, 1998
5749455 Method and apparatus for transferring workpieces May. 12, 1998
5724785 Article packaging machine with improved overhead flight assembly Mar. 10, 1998
5579896 System for arresting scraper-conveyor chain Dec. 3, 1996
5501318 Overhead pusher lug assembly for packaging machines Mar. 26, 1996
5452789 Drive and guide arrangement for endless conveyer Sep. 26, 1995
5429224 Parts-conveying apparatus Jul. 4, 1995
5392922 High capacity dry separation apparatus with air-heavy medium fluidized bed Feb. 28, 1995
5383547 Scraper conveyor Jan. 24, 1995
5337886 Chain with self aligning flight support links Aug. 16, 1994
5314057 Flight bar path having a large radius May. 24, 1994
5213198 Recirculating transfer mechanism May. 25, 1993
5199840 Automated storage and retrieval system Apr. 6, 1993
5168981 Belt chain Dec. 8, 1992
5048671 Belt-pulled drag conveyor Sep. 17, 1991
5046601 Scraper chain conveyor assemblies Sep. 10, 1991
5011003 Full diameter hinge rod and notched harvester fastener Apr. 30, 1991
4997081 Conveyor system for shredded solid waste material Mar. 5, 1991
4941562 Arrangement for transporting articles, in particular packages of rectangular box-shape Jul. 17, 1990
4899868 Conveyor for a crop harvester Feb. 13, 1990

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