Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8061510 | Dual sensor chain break detector A device for detecting and adjusting the tension of a scraper chain. The device identifies broken chain as it leaves the return sprocket and enters the top race of the conveyor. When detected, the chain can be stopped automatically by the armored face conveyor contr... | 11/22/2011 |
| 7886896 | Method of controlling the tension of a bin carousel chain A method of monitoring the tension of a continuous endless drive elongate member mounted to be moved over a closed-loop path and having a slack run along which it forms undulations, said method consisting in placing a sensor along said slack run for detecting undula... | 02/15/2011 |
| 7866462 | Belt type conveyor apparatus with adjustable tail pulley A conveyor apparatus for use with a conveyor belt includes an elongate conveyor support frame and a plurality of conveyor support devices mounted on this frame. These devices include a tail pulley mechanism having two tail pulley sections mounted on a pulley support... | 01/11/2011 |
| 7635060 | Apparatus and method for sensing conditions local to a modular conveyor belt Apparatus and method for sensing conditions local to a modular conveyor belt and wirelessly transmitting signals representing those conditions to an off-belt belt monitoring system. In a preferred version, a load cell pin installed in a clevis formed at a hinge join... | 12/22/2009 |
| 7540374 | Chain wear monitoring device A conveyor system and method of measuring chain wear includes first and second sensing devices positioned at a conveyor line or path and directed toward a conveyor chain that is movable along the conveyor path. The first sensing device senses the presence of a first... | 06/02/2009 |
| 7353937 | Method of monitoring belt orientation and/or belt travel of a band belt conveyor apparatus and a band belt conveyor A method of monitoring belt orientation and/or belt travel of a belt conveyor apparatus includes measurement of compression and/or thrust stress patterns within the belt as it passes over a support roller arrangement by measuring means embedded in the belt. The meas... | 04/08/2008 |
| 7341415 | Bale processing apparatus A bale processing apparatus and method is provided to lift, hold, transport, and spread one or more round bales of hay or other material. The apparatus includes a belt, rollers, and a means for controlling tension on the belt to position the belt in first and second... | 03/11/2008 |
| 7325483 | Automated belt cooking machine pancakes or the like An automated belt cooking machine (10) for pancakes and the like food products has upper and lower overlapping, thermally conductive belts (12, 14), counter-rotatably mounted to a frame (16) so that, in use, a bottom run (30) of the upper... | 02/05/2008 |
| 7322462 | Conveyor belt tensioner A conveyor belt tensioner is provided for a conveyor system in which a belt is trained about first and second end rollers that are suspended for rotation between opposed side frames. A motor is provided for moving the belt with respect to the side frames. A third ro... | 01/29/2008 |
| 7222727 | Low cost food processing belts and other conveyances manufactured from conductive loaded resin-based materials Conveyors, chutes, skids, guides, and ways for the transporting of material are formed of a conductive loaded resin-based material such that fragments of these structures can be detected by a metal detector. The conductive loaded resin-based material comprises micro... | 05/29/2007 |
| 7210361 | Device for measuring the tightness of a transmission belt A device for measuring the tightness of a transmission belt comprises a hilt, an insertion tube, a frame, a retaining piece and an engaging piece. The hilt is provided with a transverse handle, a sleeve and a retractable axle having a section of a screw thread. The ... | 05/01/2007 |
| 7140486 | Device for monitoring abnormality in a chain A chain monitoring device is provided with a base, guiding posts fixed to the base, a member movable along the guiding posts, a chain sprocket rotatable with a chain with its teeth being engaged into the chain, springs for resiliently urging the member for the engag... | 11/28/2006 |
| 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 |
| 7117989 | Device for detecting the tension of scraper chains A device for detection and adjustment of the tension of a scraper chain of a chain conveyor, in particular of a face conveyor, having a tensionable return station, on which a spoked chainwheel to reverse the scraper chain, having chain links and scrapers attached th... | 10/10/2006 |
| 7082845 | Device for leaf chain load cell A device having integrally formed channels that prevent forces on a sensor cable from damaging a load cell such that if the cable is overloaded it will break but the strain gauge within the load cell will be protected. ... | 08/01/2006 |
| 7059468 | Production line for food products A production line for food products includes a plurality of apparatus modules (1) arranged one after the other, each module being arranged to perform at least one manufacturing stage of the food product. The production line includes a frame (2), which ... | 06/13/2006 |
| 7032740 | Device for sensing the wear state of wheels or rollers The invention relates to a device and a method for automatically sensing the wear state of movable wheels or rollers (1) in conveying systems, for example baggage conveying systems. It achieves the object of easily and reliably sensing the wear state in an au... | 04/25/2006 |
| 6997307 | Device for tensioning and loosening of an endless conveyor belt which is guided over deflection means A device for tensioning and loosening of an endless conveyor belt (1) which is guided over deflection means, is additionally supported between the deflection means by a support construction (2). The device comprises displacement means (3) which ... | 02/14/2006 |
| 6931826 | Dual drive material turning machine and method A machine for turning material piled on the ground in a windrow comprises first and second track assemblies spaced apart from one another and having a lift assembly therebetween. The lift assembly lifts the material upwardly and deposits it to the rear. The first an... | 08/23/2005 |
| 6851546 | Chain wear monitoring method and apparatus A method and apparatus for automatically monitoring the wear of a chain when in operation in a chain drive assembly. First and second markers are applied to the chain at a predetermined distance apart. A first sensor is disposed adjacent to the chain to coincide wit... | 02/08/2005 |
| 6672450 | Idler system for conveyor An idler system for conveyors, the system providing an idler which is released or propelled downwardly away from the conveyor belt, when a pre-determined condition is present, such as the tripping of an idler guard or the presence of a pre-determined amou... | 01/06/2004 |
| 6644465 | Conveyor roller nip point automatic protection device In industrial belted conveying systems, it is common to have a pull chord extending longitudinally along the conveyor, sometimes one chord on each side of the conveyor, said chord being attached to a trip mechanism, or safety switch. A number of serious a... | 11/11/2003 |
| 6584289 | Method and apparatus for setting transfer roller engagement An apparatus for measuring the deflection of a belt in an electrophotographic printing machine includes an elongate arm member having a first end and a second end. The second end engages and is displaced by the belt. A gearbox includes a plurality of gear... | 06/24/2003 |
| 6581755 | Conveyor belt with carrier tissue in which conductive loops are embedded The invention relates to a belt, strap, conveyor belt (20) having a support fabric (2) in which at least one electrically conductive loop (4) is embedded. The conductive loop is sewn onto the support fabric (2), so that even conveyor belts (20) which have... | 06/24/2003 |
| 6578705 | Releasable conveyor belt system Method and apparatus for quickly and efficiently disassembling a conveyor belt system. The conveyor belt rotates about pulleys which are mounted on a first frame. A drive pulley is mounted on a second frame. When assembled, the drive pulley mounted on the... | 06/17/2003 |
| 6550607 | Jam detection system for a warewasher A warewasher jam detection system includes a conveyor drive arrangement having a drive motor assembly including a drive motor and an output shaft, and a slip clutch including an input side moved via the output shaft and an output side operatively connecte... | 04/22/2003 |
| 6453534 | Method for adjusting a treatment machine A method of adjusting a treatment machine in which a transporting chain for transporting objects to be treated is guided in loops through at least one treatment station in a machine housing and driven at least at two locations by drives which in a normal ... | 09/24/2002 |
| 6137974 | Photoreceptor belt tensioner system A tensioning system that precisely sets and monitors tension in a photoreceptor belt and includes a stepper motor that is actuated by a controller to apply pressure to the photoreceptor belt through a roll over which the belt is mounted. A load cell is po... | 10/24/2000 |
| 6131727 | Conveyor belt monitor The conveyor belt monitor is composed of a pair of rollers resiliently mounted on a frame vertically aligned above and below the conveyor belt and which extend horizontally across the width of the belt, positioned on the return loop of the belt. The rolle... | 10/17/2000 |
| 6086061 | Automatic product loader for use with sheet feeders An automatic product loader adapted for loading flat sheet products into a hopper of a friction sheet feeder, upon demand, and includes a frame that adjustably supports a horizontal bed that can readily be elevated and lowered as well as be longitudinally... | 07/11/2000 |
| 6088559 | Closed loop photoreceptor belt tensioner A closed loop control system precisely sets and monitors tension in a photoreceptor belt. A stepper motor is actuated by a controller to apply pressure to a yoke connected to the photoreceptor belt through a steering roll. A strain gauge positioned on the... | 07/11/2000 |
| 6029798 | Methods and system for detecting and determining the location of a chain jam A method and system for detecting a condition indicative of a chain jam in a power driven endless chain are disclosed. The chain of such a system is forced into a zigzag pattern by the inclusion of deflectors at various positions along the chain pathway a... | 02/29/2000 |
| 6029799 | Method for controlling drives of conveying machinery A method for controlling the main and auxiliary drives of conveyors, for example, in underground mining. The drives are controlled as a function of the loading of the conveyor in such a way that in a low load range of the conveyor the auxiliary drive prod... | 02/29/2000 |
| 5997423 | Apparatus for controlling chain tension A chain tension control apparatus for preventing a chain chattering in a power transmission system including main and subordinate sprockets and a chain connecting the main and subordinates sprockets. The apparatus maintains a chain tension by sensing a ch... | 12/07/1999 |
| 5984083 | Conveyor belt tensioning mechanism utilizing a manually operated cam-type tool A conveyor belt tensioning mechanism for use with a conveyor having a frame, a conveyor member in the form of a belt, and a pair of rollers, includes a pair of tensioning members mounted to opposite sides of the conveyor frame, with one of the rollers bei... | 11/16/1999 |
| 5918729 | Chain tensioning device for bindery lines A bindery gathering chain and conveyor apparatus with a first and second idling sprocket mounted in fixed relation to one another to define first and second fixed reference points and an endless conveyor chain which rides on the first and second idling sp... | 07/06/1999 |
| 5899321 | Take-up frame assembly for placing a conveyor under constant tension The present invention is generally directed to a take-up frame assembly that is adapted to maintain a conveyor belt under constant tension. The take-up frame assembly, in one embodiment, can include a fluid cylinder having a retractable piston. The piston... | 05/04/1999 |
| 5660267 | Limit switch actuator for conveyor chain take-up An improved limit switch actuator for position indicating limit switches in a drive chain take-up for a power and free conveyor system includes an actuator rod which is movable relative to a take-up cylinder. A flag is attached to the actuator rod and is ... | 08/26/1997 |
| 5647640 | Continuously operating mining machines with plow and conveyor chains and method of operating same A mining machine especially for seam mining as in the mining of coal has a sensor for incipient sag of the plow pass of the continuously driven endless chain and a computer to which the sensor is connected and which controls the conveyor drive at the upst... | 07/15/1997 |
| 5641058 | Method and a device for tensioning endless drive belts The invention employs pressure and displacement sensors for the automatic monitoring and adjustment of the pre-tension of endless belts, in the form of chains or the like, which sensors determine the pressure in the cylinder space and the movement of the ... | 06/24/1997 |
