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| Number | Title | Issue Date |
| 7624857 | Device for monitoring a conveyor The invention relates to a device for monitoring a conveyor (1), comprising: a conveyor belt (2) made of elastomer material, having a carrying side (3) for the goods to be conveyed, and a running side (4... | 12/01/2009 |
| 7325669 | Measuring device for conveyor chain A conveyor system includes a conveyor line, a conveyor chain movable along the conveyor line, and an electronic device located at a movable component that moves with the chain along the conveyor line. The electronic device may comprise a locating device operable to ... | 02/05/2008 |
| 7326025 | System for detecting warped carriers and associated methods Disclosed herein is a warp detection system (200) for determining warping in a carrier (110) configured to carry substrates (120) for processing. In one embodiment, the system (200) includes a guide plate (210) configured to guide ... | 02/05/2008 |
| 7249668 | Positive displacement sorter shoe A positive displacement sorter apparatus and method includes providing a plurality of interconnected slats defining an endless web, an upper run of the web defining a conveying surface. A plurality of pusher shoes are provided, each moving along at least one of the ... | 07/31/2007 |
| 7195115 | Modular-belt conveyors with variable-speed drive motors A conveyor system in which a modular belt or chain is driven by a drive element rotated at a predetermined variable angular speed to compensate for speed fluctuations due to chordal action. A speed signal generator generates a speed signal generally inverse to the u... | 03/27/2007 |
| 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 |
| 7117988 | Positive displacement sorter A positive displacement sorter includes a plurality of interconnected slats defining an endless web, an upper run of the web defining a conveying surface conveying articles in a longitudinal direction. A plurality of pusher shoes move along the slats to laterally di... | 10/10/2006 |
| 7086519 | Positive displacement shoe and slat sorter apparatus and method A positive displacement sorter apparatus and method includes providing a plurality of slats being interconnected in an endless web, an upper run of the web defining a conveying surface, and a plurality of pusher shoes gliding along at least some of the slats to late... | 08/08/2006 |
| 6993978 | Pin detection system A pin detection system and/or method for detecting a pin or bolt in a section of chain comprises a chain or section of chain having a plurality of chain links connected together by a plurality of pins or bolts or the like. At least one end of at least one of the pin... | 02/07/2006 |
| 6871947 | Conveying device and image recording apparatus having the same There are provided a conveying device capable of detecting a driving state of a conveying member with a simplified structure not requiring an encoder and the like, and an image-recording apparatus having the conveying device. A detector for detecting a surface aspec... | 03/29/2005 |
| 6837363 | Control device for overhead conveyors A control device for overhead conveyors equipped with at least two actuators (6, 7), specifically crane and crane trolley drive units, with transmission of control signals and transmission of safety signals from control unit (10) to actuators (6, 7 | 01/04/2005 |
| 6831566 | Device for monitoring a conveyor The invention relates to a device for monitoring a conveyor. The conveyor comprises a conveyor belt in an elastomeric material, with a carrying side for the transported material, a backing side and embedded reinforcements, as well as other components: namely, drive ... | 12/14/2004 |
| 6814220 | Retaining device for a conveyor belt assembly A retaining device (10) for a conveyor belt assembly (12) which includes a clamping means (14) for clamping a conveyor belt (36) of the conveyor belt assembly, and a biasing means (38,40) for displacing the clamping means between a... | 11/09/2004 |
| 6761263 | Method for controlling the run-up of a conveyor belt and drive device for a conveyor belt A method for controlling the run-up of a conveyor belt BY increasing a setpoint value of the belt's speed with an increasing acceleration in a first time interval, and with a decreasing acceleration in a second time interval, thereafter plotting a curve of the incre... | 07/13/2004 |
| 6758327 | Conveyor drive assembly and method of operation A conveyor drive assembly including an elongated shaft having a first and second end and method of operating the conveyor drive assembly which reliably controls the speed of each end of the drive shaft and minimizes unequal loading of the conveyor belt. The method i... | 07/06/2004 |
| 6508353 | Conveyor and plant for baling paper pulp Conveyor systems are disclosed including a chain conveyor for carrying a predetermined load, a frame for the chain conveyor, a track, wheels for supporting the frame for movement along the track from a predetermined reference position, the chain conveyor ... | 01/21/2003 |
| 6446788 | Linear conveyor speed sensor A glass machine system in accordance with presently preferred embodiments of the invention includes a glassware manufacturing machine for manufacturing articles of glassware and transferring the articles to a linear conveyor, at least one linear chain con... | 09/10/2002 |
| 6209711 | Conveying device for open-cast mines A conveyor for opencast installations, is described, the conveyor includes at least one conveyor belt driven by at least one drive, or a device resembling a conveyor belt. Overburden or raw materials such as coal, for example, is extracted by an extractin... | 04/03/2001 |
| 6170820 | Roller biasing for sheet engagement A sheet transport array for advancing sheets along a track at a desired speed past a process station. A sheet speed measuring device is coupled to the process station. A drive roller assembly includes at least a drive roller and a drive idler, with the dr... | 01/09/2001 |
| 5954186 | Speed monitoring idler roller for conveyors A conveyor system of a type having a first pulley disposed for rotation about a first axis and a second pulley disposed for rotation about a second axis substantially parallel to the first axis. The continuous conveyor belt is disposed around the first an... | 09/21/1999 |
| 5871081 | Concentric auger feeder A material conveying system for accurately conveying a specific predetermined amount of a material. The system includes a large primary auger that is rotated to convey the material until the amount of material closely approaches the predetermined amount. ... | 02/16/1999 |
| 5645156 | Device for monitoring escalator handrail speed An improved escalator 10 which incorporates a device 58 which monitors the speed of an escalator handrail 12. The escalator having a handrail and a transmission unit 14. The device cooperates with a portion of the transmission unit that moves at the same ... | 07/08/1997 |
| 5490590 | Chain wear monitor The present invention provides a chain wear monitoring device for monitoring chain wear in a chain drive conveyor system. The chain wear monitor electronically measures, calculates, records, and reports the amount of chain wear along the entire length of ... | 02/13/1996 |
| 5383014 | Photoreceptor belt motion sensor using linear position sensors The velocity of a photoreceptor belt is measured by sensing the passing of illuminated slits in the belt, as the belt moves in a process direction. Two linear position sensors are positioned so as to view the passing of the illuminated slits. The sensors ... | 01/17/1995 |
| 5345954 | Method of controlling and regulating the traveling speed of a continuous cigarette rod on a cigarette manufacturing machine On a cigarette manufacturing machine, a continuous cigarette rod is fed to a cutting device by a conveyor belt engaging a number of guide pulleys and a drive pulley fitted to a drive shaft; the traveling speed of the continuous rod being controlled by con... | 09/13/1994 |
| 5337885 | Alignment monitor and method A travel monitor for a rectangular sludge conveyor having a plurality of scrapers attached to and driven by a pair of chains, each of which is formed in a closed loop having an upper run. A pair of detector sprockets independently engage and are driven by... | 08/16/1994 |
| 5248027 | Method and apparatus for belt steering control A method for controlling lateral positioning of a longitudinally moving endless belt having at least two targets aligned with tolerances on a longitudinal fixed reference line, in which belt displacement from the fixed reference line is measured at least ... | 09/28/1993 |
| 5230418 | Photo-optic attachment for conveyor rollers A photo-optic attachment for a conveyor roller comprises an end cap mountable on the conveyor roller and a photo-optic disc mountable on the end cap. The end cap includes an outwardly facing surface having a raised boss. The photo-optic disc includes an o... | 07/27/1993 |
| 5199548 | Controls in a goods assorting device A control system in a goods assorting apparatus whereby the moving state of an assorting carrier by the linear motor driving system is detected by a group of photoelectric switches which are arranged at regular intervals in each section of a reaction plat... | 04/06/1993 |
| 5096044 | Method and apparatus for monitoring the run of a belt The run of a belt, such as a conveyor belt or a belt of a weighing scale, is monitored for keeping the belt in a substantially centered position. For this purpose, the belt has a marking element, and a stationary sensor is so arranged that it can scan at ... | 03/17/1992 |
| 5092446 | Handrail monitoring system A handrail monitoring system for use in a passenger conveyor such as an escalator, moving sidewalk or the like, compares the speed of each handrail against their nominal installed speed and responds when the handrail speeds differ from nominal by a select... | 03/03/1992 |
| 5083656 | Conveyor anti-runaway apparatus A conveyor anti-runaway apparatus is provided for a conveyor of the type driven by an electric motor connected to a source of electrical power. The anti-runaway apparatus includes a switch tripping device having a tripping arm structure which is periodica... | 01/28/1992 |
| 5076568 | Damping servo-motor control A system for maintaining a uniform velocity of a belt which is driven on rollers. A first roller is provided with a first encoder which supplies a pulse train to a first control device which controls a first servomotor. The first servomotor drives the fir... | 12/31/1991 |
| 5054601 | Sorting conveyor A bundle distribution system comprised of tilt tray carriers coupled in tandem forming a continuous loop, each conveyor being a link in the loop. Vertical and horizontal wheels guide the conveyors along a closed loop path which may include curved and stra... | 10/08/1991 |
| 5011359 | Silo rotary unloader monitor A silo rotary unloader monitor provides an indication of a rotational speed of the rotary collector ring of a material unloading device suspended within the top portion of a vertical silo. A limit switch has an actuating sensor biased into engagement with... | 04/30/1991 |
| 4863006 | Automatic shutoff apparatus for an escalator A pair of light barriers are mounted on a pair of spaced apart balustrade sockets located on opposite sides of an endless step conveyor-type escalator. The light barriers are positioned at the transition of upper and lower transisition arches to an inclin... | 09/05/1989 |
| 4809576 | Scrap removal system for stamping and forming machine and sensor apparatus for detecting movement between conveyor belts A scrap removal system is disclosed for a stamping and forming machine in which strip material is fed in a vertical plane through a tooling assembly having punches and dies therein so that holes are punched in the strip when the punches move through the s... | 03/07/1989 |
| 4442933 | Centrifugal switch for controlling belt hauling systems A centrifugal switch assembly protected from moisture and dust mounted adjustably beneath the top run of a conveyor belt adapted to be driven by the top run and secured to cable supports provided along side the opposite edges of the belt so that the switc... | 04/17/1984 |
| 4407162 | Chain motion measuring device A conveyor chain motion measuring device is disclosed using a double take-off drive from the conveyor chain to produce accurate measurement of the actual chain speed and travel for the entire length thereof regardless of chain link pitch variations.... | 10/04/1983 |
| 4366897 | Speed drop detector for high-speed bucket belt conveyor A multi-application speed drop detector, for a high-speed bucket belt conveyor conveying powdery substances, that can automatically perform such functions as alarming, causing ordinary and emergency stops in accordance with the amount of speed drop of the... | 01/04/1983 |
