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Class Information
Number: 198/621.1
Name: Conveyors: power-driven > Conveyor section > Load simultaneously engaged between and moved by a plurality of driven conveyor members > Reciprocating member
Description: Subject matter wherein one of the power-driven conveyor sections engages the load with a back and forth motion as it cooperates with another power-driven conveyor section.


Sub-classes under this class:

Class Number Class Name Patents
198/621.2 Load support member lifted by inclined or vertical supporting fluid actuator (e.g., piston or air bag) 14
198/621.4 Load support member lifted by inclined supporting surface 8
198/621.3 Load support member lifted by supporting eccentric cam or rotating crank drive 24


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7448489 Apparatus for transporting workpieces in presses Nov. 11, 2008
7422894 Apparatus for use in vermiculture Sep. 9, 2008
7410046 Work transfer device for press machines Aug. 12, 2008
7316149 Inter-pressing-machine work transfer device Jan. 8, 2008
7290430 Transferring device Nov. 6, 2007
7219525 Work transfer apparatus for transfer press May. 22, 2007
7210326 Work transfer apparatus for transfer press May. 1, 2007
7159438 Transfer press with improved use of space Jan. 9, 2007
7124616 Work transfer method for transfer press and work transfer apparatus for transfer press or press Oct. 24, 2006
7051864 Roller-guided feeding device for a wood working machine May. 30, 2006
7047790 Workpiece carrier apparatus for transfer press machine May. 23, 2006
7032428 Feeding unit for transfer press Apr. 25, 2006
7028526 Device for changing tooling Apr. 18, 2006
7017383 Press transfer system mounting and method Mar. 28, 2006
7007538 Breakaway tooling Mar. 7, 2006
6910362 Tilt mechanism for a transfer rail in a press transfer system Jun. 28, 2005
6826944 Transfer device and method for controlling a transfer device Dec. 7, 2004
6793066 Conveying apparatus for plate-form members Sep. 21, 2004
6792787 Press transfer having a clutch drive disconnect Sep. 21, 2004
6742375 System for transporting workpieces in a forming press with damage-preventing cross traverse interruption apparatus Jun. 1, 2004
6729617 Device for conveying flat objects with a synchronization system May. 4, 2004
6701769 Transfer feeder Mar. 9, 2004
6672448 Transfer device Jan. 6, 2004
6662934 Transfer apparatus Dec. 16, 2003
6622850 Method for changing fingers in preparatory work conducted externally of a transfer feeder, and device therefor Sep. 23, 2003
6607070 Method and device for transferring book blocks into a transport device belonging to a bookbinding machine Aug. 19, 2003
6604402 Transfer device for a press Aug. 12, 2003
6461101 Product feed system for a compensating stacking machine and method of using same Oct. 8, 2002
6327888 Transfer apparatus Dec. 11, 2001
6314786 Transfer system Nov. 13, 2001
6234302 Transfer system having a failure protection device May. 22, 2001
6223582 Transfer system having a combined drive May. 1, 2001
6216523 Servo-drive for press transfer Apr. 17, 2001
6185979 Traverse-type three-axis transfer system Feb. 13, 2001
6176365 Transfer system for a timed vehicle transport Jan. 23, 2001
6170641 Apparatus for transporting thin boards, in particular printed circuit boards Jan. 9, 2001
6134939 Toolless quick release of transfer bar Oct. 24, 2000
6116075 Transfer bar attachment Sep. 12, 2000
6109087 Apparatus and methods for transferring workpiece in a transfer press machine Aug. 29, 2000
6050124 Transfer feeder having two different drive modes and method of its operation Apr. 18, 2000
6000327 Work conveyor of transfer press Dec. 14, 1999
5975284 Carrier apparatus Nov. 2, 1999
5952808 Synchronization restoring system Sep. 14, 1999
5941119 Mechanical device applied in a transfer system Aug. 24, 1999
5937693 Transfer apparatus of press Aug. 17, 1999
5913932 Transfer press Jun. 22, 1999
5906131 Indexing conveyer for a die transfer system having countercyclic vibration damping on the transfer bar May. 25, 1999
5899109 Indexing conveyor for a die transfer system and method May. 4, 1999
5899108 Flexible multi-axis transfer device May. 4, 1999
5842370 Transfer device and multistation presses Dec. 1, 1998

1 2 3


 
 
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