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| Number | Title | Issue Date |
| 7798313 | Dynamic tension control apparatus and method for aero-mechanical conveyor A tensioning assembly for use in an aero-mechanical conveyor for moving bulk materials. The conveyor includes upper and lower housings having head and tail pulley assemblies mounted therein. The tensioning assembly includes first and second extendable tubes that def... | 09/21/2010 |
| 7584839 | Multipurpose linear guide A linear band guide device for supporting and defining a path for a band includes an elongate band support element, a first band end support at a first end of said elongate band support element, a second band end support at a second end of said elongate band support... | 09/08/2009 |
| 7441770 | Conveyor apparatus having a twice-twisted belt and a floating-tension pulley A conveyor apparatus including a main conveyor by which mail items are routed by being nipped between a transport belt and a main belt, and a secondary conveyor towards which the mail items are routed, after switching, along a secondary belt. The main and secondary ... | 10/28/2008 |
| 7438176 | Stretchable transfer conveyer method of stretching transfer conveyer and stretchable guide device for movable article In a transfer conveyer wherein a pair of guide rails respectively provided with guide surfaces for guiding both side surfaces of a transferred article in a transfer direction are extended in the transfer direction and wherein flexible endless belts are provided for ... | 10/21/2008 |
| 7424947 | Image forming apparatus An image forming apparatus includes a belt unit detachably installed in a main body, a first positioning mechanism provided in the main body to rotatably support a first support roller, a second positioning mechanism provided in the main body to rotatably support a ... | 09/16/2008 |
| 7347320 | Top dresser A top dresser (10) includes sheeting (70) in the form of an endless belt passing around first and second drums (148, 160) and a bed (166) including a plurality of rollers (106). Continuous V-shaped guides (122) are received ... | 03/25/2008 |
| 7347318 | Image forming device An image forming device includes: a main unit; an image bearing body; a belt unit; and a tension-applying mechanism. The belt unit is detachably mounted in the main unit and has a pair of supporting rollers supporting an endless belt thereon. The endless belt has an... | 03/25/2008 |
| 7258227 | Drive for conveyor belts A drive for conveyor belts, of the type that comprises, associated with a travel frame for a conveyor belt with at least one transport chain, transport elements for the belt and a device for recovering any elongation of the belt. The belt elongation recovery device ... | 08/21/2007 |
| 7232029 | Cantilevered conveying belt for a sortation system A conveyor system having a primary conveyor and a cantilevered conveying belt. In the preferred embodiment, the cantilevered conveying belt includes a cantilevered frame having at least one conveyor belt and a belt tension assembly attached to the cantilevered frame... | 06/19/2007 |
| 7134544 | Conveyor belt system with take-up device A conveyor system having a frame, a drive sprocket rotatably mounted to the frame, and a tail pulley rotatably mounted to the frame opposite the drive sprocket. A continuous belt engages with the drive sprocket and tail pulley with a catenary take-up arrangement hav... | 11/14/2006 |
| 7025196 | Friction drive conveyor A conveyor 12 includes an infeed/scanning section (18) and a cutting/outfeed section (22). Both sections have an endless belt (70) and (180) each driven by a friction drive roller (100) and (200). Adequate frictional ... | 04/11/2006 |
| 7021450 | Device and method to correct uneven spacing of successive articles A device for correcting uneven spacing of successive articles includes a first conveyor belt having a plurality of articles spaced thereon. At least one article is unevenly spaced. A second conveyor belt is located downstream of the first conveyor belt upon which th... | 04/04/2006 |
| 7024136 | Method for extending the lifetime of an endless belt An apparatus and method for extending the lifetime of belts, especially photoreceptor belts inside of a printing device, which includes detensioning the belt during periods where the belt is not in use, such as where a printing device is in an idle state. ... | 04/04/2006 |
| 6971509 | Endless belt conveyor frame and tensioning device including center drive construction A conveyor construction that includes a conveyor frame assembly formed from a pair of spaced side frame members interconnected with each other by spaced cross members. The upper bed of the conveyor frame assembly is formed from individual bed plate strips attached t... | 12/06/2005 |
| 6843365 | Narrow belt conveyor system A narrow belt conveyor system including a plurality of narrow, continuous, spaced-apart belts adapted to receive an accessory such as a sorter, accumulator, diverter, and/or transfer between the belts. The conveyor system includes a pair of side frame members, each ... | 01/18/2005 |
| 6796419 | Belt tensioning assembly A belt tensioning assembly for use with a power transmission system including a belt extending between a driver pulley and a driven pulley is provided. The tensioning assembly includes an idler engageable with the belt and rotatably attached to a frame pivotally sec... | 09/28/2004 |
| 6685010 | Device for inward and/or outward transfer of material to be conveyed A device for inward and outward transfer of material comprises a conveyor section with a continuous belt for receiving the material at an angle, and an airlock section and a guide section for guiding the continuous belt. The airlock section has a rectangu... | 02/03/2004 |
| 6663475 | Grinding apparatus A tool support device for use in a belt grinding apparatus (1), the apparatus including, a drive motor (60), a drive shaft (61) and an abrasive belt arranged to be driven by the drive motor, (60) the tool support device (10) including a primary carriage (... | 12/16/2003 |
| 6598736 | Tension control apparatus and method for aero-mechanical conveyor An improved tension control apparatus for use in an aero-mechanical conveyor for moving bulk materials includes spaced-apart inflow and outflow conveyor tubes interconnecting the upper and lower housings of the conveyor. A bracket cooperates with the conv... | 07/29/2003 |
| 6594460 | Low force lateral photoreceptor or intermediate transfer belt tracking correction system In a printing system in which a rotatable print image bearing belt is mounted on at least one axial belt roller, and the belt must be maintained in a desired substantially consistent lateral registration to maintain image quality, the lateral misregistrat... | 07/15/2003 |
| 6585109 | Return device The invention relates to a deflecting arrangement having a first deflecting element (34) for deflecting conveyable-article carriers (7), and having a second deflecting element (50) for deflecting an endless drive belt (9) for driving the conveyable-articl... | 07/01/2003 |
| 6439377 | Tension control apparatus and method for aero-mechanical conveyor An improved tension control apparatus for use in an aero-mechanical conveyor for moving bulk materials, the conveyor including upper and lower housings, head and tail pulley assemblies mounted on respective shafts positioned within the upper and lower hou... | 08/27/2002 |
| 6354203 | Belt drive for a machine for processing flat printing materials A belt drive for a machine for processing flat printing materials includes an endless belt revolving during operation, a roller about which the belt is partially looped, a frame with respect to which the roller is adjustable between a working position, wh... | 03/12/2002 |
| 6336550 | Metallic conveyor belt arrangement A metallic conveyor belt arrangement for transporting bulk material comprises a metallic conveyor belt closed in itself and extending along a longitudinal axis. The metallic conveyor belt forms at least two ends, such as a slack end and a tight end, and a... | 01/08/2002 |
| 6328155 | Transfer belt unit An image forming apparatus is provided with a table unit which can be taken out to a front side in a state of opening a front cover of a main body. A transfer belt unit integrally constituted by a transfer belt, a drive roller, a driven roller, a transfer... | 12/11/2001 |
| 6267228 | Conveyor belt tracking and tensioning system A device to permit manual adjustment of the track or path of a conveyor belt (1) while providing constant, predetermined belt tension. A removable conveyor roller (23) is supported by a pivotable yoke (11), which is pivoted about a shaft (12) from a nonop... | 07/31/2001 |
| 6112884 | Idler roller assembly for a web-product delivery system A web-product delivery system includes a top belt system with at least one top belt assembly supported and movably adjustable on a carriage. The top belt assembly includes a front assembly and a rear assembly. Both the front assembly and rear assembly inc... | 09/05/2000 |
| 6076653 | High speed drum sorting conveyor system An automated conveyor sortation and item discharge system for sorting items of various sizes and weights to designated output destinations along a conveyor is provided. The system utilizes a discharge drum ejection mechanism mounted medially between a pai... | 06/20/2000 |
| 5934449 | Transfer conveyor A transfer conveyor having a frame assembly in which a large diameter drive roller is mounted together with tension rollers. A pair of small diameter nose bars are mounted on each end of the frame assembly, and an endless conveyor belt of fabric or plasti... | 08/10/1999 |
| 5896979 | Endless belt type delivery device An endless belt type delivery device includes a drive roller, a plurality of driven rollers including a tension apply roller disposed in such a manner that the respective axial directions of the rollers are set parallel to each other, an endless belt woun... | 04/27/1999 |
| 5868193 | Method and prestressed beam chain for use in an apparatus for continuously casting metal The present invention provides novel apparatus for continuously casting molten metal in a block caster. In accordance with the present invention, a prestressed beam chain is provided for reducing imperfections that can be created in a cast.... | 02/09/1999 |
| 5329800 | Conversion system having conveyor slide assembly for multiple belts A conversion system for converting easy-open can ends has an improved slide assembly capable of handling multiple conveyor belts with improved tension and vibration control. The slide assembly includes a stationary idler shaft mounted transverse to the co... | 07/19/1994 |
| 5307920 | Moving handrail drive An escalator handrail drive system includes a powered drive belt which engages the underneath surface of the handrail along the return path of travel of the latter. A series of pressure rollers engage the outer surface of the handrail to press the latter ... | 05/03/1994 |
| 5302162 | Exercise treadmill with tension-limited belt adjustment A treadmill (10) includes a frame (12) on which are rotatably mounted first and second roller assemblies (14, 16) on axles (40, 48) disposed on spaced apart transverse axes (42, 50). An endless belt (18) is trained about the roller assemblies. A ratchetin... | 04/12/1994 |
| 5258816 | Cleaning device for a color image forming apparatus A color printer that forms a developed toner image on a photoreceptor. The color printer includes a photoreceptor having a belt-like shape, a driver roller of the photoreceptor belt, a follower roller to which the photoreceptor belt is suspended to keep a... | 11/02/1993 |
| 5213322 | Original transfer apparatus In an original transfer apparatus, a pair of rollers around which a transfer belt is stretched and pressing rollers provided between the pair of rollers and adapted to press the transfer belt against the platen are held with each end portion of each shaft... | 05/25/1993 |
| 5203447 | Drive mechanism for a conveyor An improved drive mechanism for a conveyor. An endless belt is mounted for travel on the frame of the conveyor and is driven by a drive unit. The drive unit includes a supporting structure or housing that carries a power source, such as a motor. The outpu... | 04/20/1993 |
| 5171122 | Device for loading and unloading motor vehicles A device for loading and unloading a truck includes a plurality of endless, parallel conveyor cables extending along a load platform of the truck and movable relative thereto with respective upper support passes projecting above the platform, a cross memb... | 12/15/1992 |
| 5164777 | Belt support and tracking apparatus An apparatus for transporting and tracking a belt arranged to move in a predetermined path and controlling lateral movement of the belt from the predetermined path includes a stationary non-rotating arcuate tracking shoe with a belt defining surface for s... | 11/17/1992 |
| 5145056 | Air bag tensioning device A tensioning device for running wide webs under essentially uniform tension includes a tensioning roller at least as long as the web is wide. The tensioning roller is carried by an essentially rigid frame pivoted to a foundation and urged to pivot in a te... | 09/08/1992 |
