Class 209/247 - Conveyors

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Means and methods which include conveyors associated with
No. of patents: 31
Last issue date: 05/10/2011

Number	Title	Issue Date
7938272	Method for controlling a screening machine and a screening machine A screening machine including at least one screen surface, feeding means that feed material to be screened towards the screen surface and onto the screen surface where the material is separated into a first fraction remaining on the screen surface and into a second ...	05/10/2011
7111739	Wet fine particle sizing and separating apparatus A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f...	09/26/2006
7086216	Machine for gathering ground strewn articles A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having means for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having me...	08/08/2006
6965645	Content-based characterization of video frame sequences A system and process for video characterization that facilitates video classification and retrieval, as well as motion detection, applications. This involves characterizing a video sequence with a gray scale image having pixel levels that reflect the intensity of mo...	11/15/2005
6006921	Transportable trommel assembly A transportable trommel assembly is provided with a frame, a cylindrical trommel screen, having an infeed end and a discharge end rotatably mounted to the frame, and conveyors for carrying away sized material from the trommel screen. An infeed conveyor is...	12/28/1999
5887726	Coupling for connecting feed spout to screening machine A coupling for directing a stream of particles falling from a feed spout through an opening on the top cover of the screen box of a screening machine. An upper diaphragm seals the feed spout within the mouth of a funnel. A lower diaphragm seals the funnel...	03/30/1999
5778910	Washing trough for residual concrete The invention relates to an apparatus for reprocessing residual concrete with a trough (3), conveying equipment (33) with an adjoining bucket wheel (37) and discharging equipment (11). The inventive apparatus is distinguished owing to the fact that the wa...	07/14/1998
5732826	Conveyor for liquid media with production residues A conveyor is provided for liquid media, such as cooling-lubricating liquids containing production residues, such as machinery chips. The conveyance takes place along a gutter via a driven scraper conveyor extending into it and extending along its linear ...	03/31/1998
5248042	Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control A mobile screening apparatus includes a horizontal rotary drum preferably fed by underflow from a prescreening device that is reversible endless belt of screening grizzly bars. The belt reverses for expelling oversize material caught between bars. Force n...	09/28/1993
5230431	Vertical screening device with feeding screw A vertical screen device for a separator is disclosed. The screening device comprises a vertical cylindrical screen with a feed screw housed within the screen and cooperating with the screen. The feed screw is caused to rotate while the screen is held sta...	07/27/1993
5112474	Screening apparatus with tiltable vibratory screen There is disclosed a screening apparatus for screening particulate material and which comprises a base frame, an elevating conveyor adjustably mounted on the base frame and arranged to convey material from a loading station at or near a lower end of the c...	05/12/1992
4983280	Screening apparatus Screening apparatus comprises a feeder conveyor, an elevator, a screen box, an end boom elevator and two lateral boom elevators all carried on a wheeled trailer. The elevator has an elongated support with an endless belt arranged around two rollers longit...	01/08/1991
4927528	Sieve device for sieving out compost from rotten organic material The sieve device comprises a filling funnel for feeding the material. A conveyor belt runs on the bottom of the filling funnel. The conveyor belt projects into a sieve drum, which is driven by a hydraulic motor. The material is transported through the sie...	05/22/1990
4915826	Grain cleaner A grain cleaner and method for cleaning grain is the subject of the present invention. A single rotatable drum presents a substantially continuous screen surface of increasing mesh size from one end to another with the drum having an inlet end and an outl...	04/10/1990
4861461	Pipeline padding machine and method A pipeline padding vehicle for supplying earth of a fine consistency to cover and pad a pipeline disposed in a trench has a longitudinal conveyor, a vibrating screen to receive earth from the conveyor, and a padding material discharge conveyor beneath the...	08/29/1989
4818379	Screening apparatus with integrated distributing and segregating device A screening apparatus of the multi-deck type. The feed inlet space of the screening machine comprises one or more distributing and segregating devices, integrated with the movement of the screening apparatus....	04/04/1989
4633602	Method and apparatus for padding pipe Apparatus for gathering and processing excavated material which lies in a long pile on the ground adjacent to a ditch, so as to provide padding material which is conveyed onto a pipe lying in the ditch, with the residue from the process being returned to ...	01/06/1987
4591432	Sieving apparatus In sieving apparatus, an undercarriage carries a belt conveyor, which has a frame that is adapted to be folded in length about a hinge. The belt conveyor carries at its discharge end a sieving machine, which is adapted to be driven and which has an adjust...	05/27/1986
4465592	Vibrating conveyor for delivering a stream of green pellets of even thickness A vibrating conveyor for delivering a stream of green pellets having a predetermined average diameter to a conveying surface of a wide belt conveyor. The vibrating conveyor has a vibrating deck having a discharge edge and conveys the green pellets along a...	08/14/1984
4400268	Arrangement for piling a bulky material having different grain sizes An arrangement for piling a bulky material of different grain sizes has one central and two lateral passages, a guiding element located upstream of the passages and arranged to guide a flow of a bulky material toward the lateral passages, and grate elemen...	08/23/1983
4353796	Apparatus for digging and transporting soil and sand, stones and rocks, minerals and the like In digging and hauling soil, rocks, minerals and the like by the use of a dragline the invention provides a novel combination of said dragline, a conveyor means for hauling the materials dug, and a hopper means disposed over and movable along said conveyo...	10/12/1982
4303506	Screening apparatus A screening apparatus includes a conveyor (14) pivotally mounted on a wheeled chassis (2) for movement between an extended operational position and a folded transporting position. The conveyor (14) includes an endless belt (16) and a boom frame (20) suppo...	12/01/1981
4278384	Apparatus for severing packages containing granular or powder-like matter and severing the matter therefrom Apparatus is disclosed for severing severable wrappers or packages containing granular or powder-like matter and for separating the matter from the severable packages. The apparatus comprises a helical screw, made of band-shaped foil wound helicoidally ar...	07/14/1981
4253946	Cleaning attachment for grain augers A series of semi-circular cut-out portions are provided on the underside of an auger tube which are covered with blanks when the cleaning device is not in use, but which are covered with semi-circular sieves when it is desired to clean grain or the like b...	03/03/1981
4240902	Apparatus for removing foreign matter from cotton An apparatus for removing foreign matter from cotton includes an elongated frame having a plurality of rollers rotatably supported in closely spaced side-by-side relation therealong for conveying cotton over the rollers from one end of the frame to the ot...	12/23/1980
4234416	Feed stream splitter for multiple deck screening machine In a multiple deck screening machine, the feed material is divided into separate equal fractions as it falls into parallel vertical channels. Each channel serves a particular screen deck via a chute which diverts the respective fraction from the channel o...	11/18/1980
4221665	Raisin harvesting apparatus An improved raisin harvester including a front fork for sliding under a raisin laden tray, a draper web situated above the fork for engaging the trays and sliding them along the fork to a conveyor mechanism having a tray receiving end located at the upper...	09/09/1980
4177900	Grain scalping and cleaning apparatus and method A grain scalping and cleaning apparatus for removing impurities in grain according to size is disclosed. The apparatus includes multiple grain movement paddles moving relative to appropriate screens. An endless chain drives the grain movement paddles. Bot...	12/11/1979
4125067	Machine for washing, selecting, cleaning and slicing the stems of mushrooms A machine for washing, sizing and cutting the stems of mushrooms, comprises a tub full of water into which the fresh mushrooms to be treated are poured in bulk and conveyed in water into a second tub from which they are raised by suitable means to be carr...	11/14/1978
4001979	Unloading ramp assembly An unloading ramp assembly for a vibratory finishing machine of the type having a toroidal bowl or hopper includes an input platform extending to a media separation assembly which in turn extends to an output platform leading out of the vibratory finishin...	01/11/1977
3963608	Apparatus for the treatment of synthetic resin powder An apparatus for the treatment of synthetic resin powder, such as an epoxy resin or polyester resin powder that forms an excess of powder when used for coating surfaces. The apparatus has a substantially horizontal and cylindrical screen mounted in a hous...	06/15/1976

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Class 209/247 - Conveyors