Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7954631 | Chain link conveyor for use in material handling equipment A chain link conveyor for use in material handling equipment such as a feed cart. The chain link conveyor comprises a series of sprockets and a pair of spaced apart chains trained around the sprockets. Each chain includes a series of interconnected links. Each link ... | 06/07/2011 |
| 7150351 | Scraper chain conveyor comprising plastic pushers A drag chain conveyor for use in underground mining, including interconnected, profiled conveyor chutes in which are guided conveyor chains of metallic material. Plastic carriers are attached to the conveyor chains, with attachment being effected via a molding aroun... | 12/19/2006 |
| 7097028 | Gripping element for continuous motion inserting finger An envelope insert conveyor assembly includes a first pair of rotation members and a second pair of rotation members spaced apart from one another. A first conveying member is disposed around the first pair of rotation members, and a second conveying member is dispo... | 08/29/2006 |
| 7021322 | Warewash machine with wrap-around hood and multi-position splash guard, and drip flange for warewash machine A warewash machine includes a multi-position splash guard enabling multiple machine configurations in which undesired overspray is reduced or eliminated. A drip flange may also be provided to increase the amount of water that impinges upon wares. ... | 04/04/2006 |
| 6662932 | Chain and flight conveyor with swivel links A chain driven by two sprockets spaced a short distance apart along their common axial centerline. The chain includes elongated pins that extend beyond the outer surfaces of the chain link plates, on both sides, by a distance about equal to the width of t... | 12/16/2003 |
| 6571936 | Chain and flight conveyor A chain and flight conveyor adapted to be driven by a toothed sprocket comprising a pair of spaced apart, parallel driving chains, each of the driving chains comprising roller links having at least one end surface which may be drivingly engaged by the tee... | 06/03/2003 |
| 6283276 | Overhead pusher finger guide system The invention is directed to an overhead pusher finger guide system, preferably for use with a sheet handling apparatus. The guide system prevents the lower conveyor run from sagging or otherwise moving out of the proper feed plane. Accordingly, superior ... | 09/04/2001 |
| 6260716 | Scum sweeper for surface floating matters in a clarifying tank A scum sweeper for sweeping surface floating matters in a clarifying tank to a collector channel. A sweeping blade is pivotally hanged by arms to parallel endless running chains mounted onto a supporting frame installed in the tank at an above position wi... | 07/17/2001 |
| 5996658 | Feed roller The present invention relates to a feed roller (1) by means of which a felled tree (2) trunk is fed into a timber harvester for delimbing. The apparatus comprises a drive wheel (4) and at least one transmission means (5) arranged at the outer circumferenc... | 12/07/1999 |
| 5947261 | Drag conveyor system for particulate material A drag conveyor consists of a uniquely-configured trough and correspondingly-shaped outer edges of chain-driven paddles which enable the trough construction to provide physical support for a return run of the chain. The cross-sectional shape of the trough... | 09/07/1999 |
| 5755146 | Radial log clamp A rotating log saw clamp having a clamp infeed section and a clamp outfeed section located adjacent a log saw blade. The clamp infeed section and clamp outfeed section are coupled for rotation together with the log during sawing of at least a portion of t... | 05/26/1998 |
| 5605220 | High-performance chain scraper conveyor with symmetric turning channel A high-performance chain scraper conveyor is equipped with symmetrical channel belts and with a chain conveyor which can turn around corresponding axles so that in combination with the corresponding shape of the channel belts a considerably longer life an... | 02/25/1997 |
| 5170882 | Reversible tooth link band Chain webs for chain conveyors, which are primarily used in underground mining and in tunnel building for the transport of large quantities of materials, consist of mutually engaging horizontal and vertical chain links in which the horizontal links of the... | 12/15/1992 |
| 5072826 | Chain conveyor for miner A chain conveyor for a miner in which the chain adjacent the drive sprocket is guided and supported by channels in a casting such that tension in the chain is reacted by the casting and separated from the driving force applied to the chain by the drive sp... | 12/17/1991 |
| 5069327 | Shavings conveyor The invention relates to a shavings conveyor which has a continuously turning conveyor belt (1) provided with two lateral conveyor chains (2) as well as a housing (6) equipped with guide rails (8) for these conveyor chains, openings (11, 12) for the coola... | 12/03/1991 |
| 4871060 | Scraping conveyor A scraper conveyor comprising a conveyor chain or wire provided with a plurality of transverse scraper discs and passing along a closed path at least partly defined by a stationary conveyor channel or a tube extending from a material inlet station and pas... | 10/03/1989 |
| 4865184 | Chain conveyor drive A drive sprocket for a chain conveyor having one or more chains engaged therewith over a predetermined arc, leaving a disengaged arc of the sprocket. A housing is provided adjacent the disengaged arc incorporating a concave arcuate cylindrical surface clo... | 09/12/1989 |
| 4673079 | Transfer station A transfer station assembly is provided for transferring mineral material from a longwall scraper-chain conveyor to a roadway scraper-chain conveyor. The transfer station includes a box frame, in which the upper run of the roadway conveyor is guided betwe... | 06/16/1987 |
| 4585116 | Sludge collector flight, wear shoe and guide lug assembly A wear shoe and guide lug assembly for guiding a sludge collector flight along a return elevated rail is shown. Each wear shoe provides a readily replaceable member attached to the flight and providing alternative planar faces for bearing engagement with ... | 04/29/1986 |
| 4533289 | Sealing and liquid displacement systems for a linear pocket feeder An improved sealing and liquid displacement system for a continuous linear pocket feeder for feeding materials from a low pressure to a high pressure region, particularly for feeding coal in a coal conversion process. A dual sealing system including a sph... | 08/06/1985 |
| 4512459 | Guide assembly for a curved section of a scraper-chain conveyor A guide assembly for a curved section of a scraper-chain conveyor comprises a housing and two pulley wheels which are rotatably mounted within the housing. The pulley wheels constitute means for guiding the scrapers of a scraper assembly around the curved... | 04/23/1985 |
| 4360102 | Conveying apparatus for use in mineral mining Conveying apparatus for use in conveying mineral ore employs a curvilinear channel section or pan which joins straight groups of similar channel sections joined end-to-end together. A scraper-chain assembly circulates along the channel sections in upper a... | 11/23/1982 |
| 4327828 | Wear plate and corner wheel mounting arrangement for automated animal feed conveyors Corner units for automated animal feed conveyors and the like include a wheel about which a feed carrier, such as an endless chain or belt, is guided. A wear plate and wheel mounting arrangement for such corner units comprises a wear plate having a genera... | 05/04/1982 |
| 4270654 | Single chain scraper conveyor A single chain scraper conveyor comprises a trough having first and second straight sections disposed at angles to each other and an intermediate curved section between and joining the first and second straight sections. The intermediate section has an in... | 06/02/1981 |
| 4250989 | Curved section and guide assembly A curved section and guide assembly is provided for a scraper-chain conveyor. The assembly comprises a curved conveyor section and a guide for guiding the scraper assembly of the conveyor round the curve. The curved conveyor section has a curved inner wal... | 02/17/1981 |
| 4241823 | Chain drag kit for conveyor A chain drag conveyor kit for converting a screw conveyor, of the type having a main trough with a semi-circular bottom and substantially flat cover, to a chain drag conveyor. The kit includes a pair of sprocket boxes dimensioned for assembly on the respe... | 12/30/1980 |
| 4195725 | Drive unit for cable conveyor A conveyor system of a type including a tube, a cable having discs rigidly attached to and equally spaced along the cable for conveying granular or powdery materials within the tube is characterized by having an improved drive unit for causing and control... | 04/01/1980 |
| 4159760 | Method of and apparatus for feeding randomly received items Methods of and apparatus for feeding items (or groupings of items) one after the other to apparatus, such as a flight conveyor, which cycles continuously at a steady cycling rate are disclosed with an item being fed to the apparatus during a portion of ea... | 07/03/1979 |
| 4099610 | Endless power-driven conveyor with discharge comb An endless power-driven conveyor has flights in the form of rakes whose teeth extend between a plurality of parallel comb elements that extend lengthwise of the upper run of the conveyor, for example for removing solids from a liquid. Two endless conveyor... | 07/11/1978 |
| 4073226 | Processing apparatus Circular sealing partitions are moved through a cylindrical vessel open at both ends and to a central portion of which a processing fluid is continuously supplied through a port in the wall of the vessel.... | 02/14/1978 |
