Patents Assigned to Key Technology, Inc.
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Publication number: 20150160139Abstract: An object imaging assembly is disclosed and which includes a source of individual objects which move along a predetermined course of travel; an image capture device having a line of sight which extends across the course of travel; and an electromagnetic radiation emitter which emits electromagnetic radiation in a beam which extends transversely across the predetermined course of travel and the line of sight.Type: ApplicationFiled: December 10, 2013Publication date: June 11, 2015Applicant: KEY TECHNOLOGY, INC.Inventors: Johan Calcoen, Thomas van de Laak
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Patent number: 9027759Abstract: A sorting apparatus is described, and which includes a conveyor which transports a produce stream for inspection. A product separation surface is mounted near the distal end of the conveyor, and the produce stream passes over the product separation surface, and is slowed to a speed such that the produce stream falls substantially immediately vertically downwardly. An inspection zone is located downstream relative to the product separation surface. An imaging device is provided, and which images the produce stream passing through the inspection zone; an illumination device is provided for illuminating the produce stream passing through the inspection zone, and an ejector assembly is located downstream of the inspection zone and which removes unwanted solid material in the produce stream having undesirable characteristics.Type: GrantFiled: November 22, 2011Date of Patent: May 12, 2015Assignee: Key Technology, Inc.Inventors: Peter T. Jones, Brandon T. Hall, David W. Hufford, Timothy L. Justice, Tracy L. McGowen, Gerald R. Richert, Roydan T. Tomlinson, Jean-Francois Pellet
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Patent number: 8978894Abstract: A clamp is described and which includes a base portion, a handle which is affixed to the base portion, a moveable clamp portion which is individually pivotally attached to the base portion; a pair of force transmitting couplings pivotally attached to the handle, and the movable clamp portion; and an elongated resilient biasing member with a distal end, and which is mounted on the movable clamp portion, and which is further operable to engage an adjacent object of interest and hold it in a given orientation relative to a vibratory conveyor.Type: GrantFiled: September 9, 2013Date of Patent: March 17, 2015Assignee: Key Technology, Inc.Inventors: Christopher A. Woiler, Dean D. Dunham, Michael Jones, Michael J. Opp, James D. Ruff
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Patent number: 8978530Abstract: A cutting apparatus is disclosed and which includes a cutter knife which is reciprocally moveable along a path of travel, a track member mounted adjacent to the cutter knife, and which mechanically cooperates with the cutter knife so as to define, at least in part, a first non-cutting position, and the second, cutting position for the cutter knife, and a magnet mounted on the track member and which releasably magnetically restrains the cutter knife when the cutter knife is in either of the first non-cutting position, or the second, cutting position.Type: GrantFiled: April 25, 2011Date of Patent: March 17, 2015Assignee: Key Technology, Inc.Inventors: Robert E. Jones, Robert B. Thompson
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Publication number: 20150067992Abstract: A clamp is described and which includes a base portion, a handle which is affixed to the base portion, a moveable clamp portion which is individually pivotally attached to the base portion; a pair of force transmitting couplings pivotally attached to the handle, and the movable clamp portion; and an elongated resilient biasing member with a distal end, and which is mounted on the movable clamp portion, and which is further operable to engage an adjacent object of interest and hold it in a given orientation relative to a vibratory conveyor.Type: ApplicationFiled: September 9, 2013Publication date: March 12, 2015Applicant: KEY TECHNOLOGY, INC.Inventors: Christopher A. Woiler, Dean D. Dunham, Michael Jones, Michael J. Opp, James D. Ruff
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Publication number: 20140352116Abstract: A clamp is described and which includes a moveable object engagement member having a distal end which is movable along a predetermined path of travel between an open and closed position; and a moveable force application assembly pivotally cooperating with the moveable object engagement member, and which is used to move the object engagement member along the predetermined path of travel between the opened and closed positions.Type: ApplicationFiled: June 4, 2013Publication date: December 4, 2014Applicant: KEY TECHNOLOGY, INC.Inventor: Christopher A. Woiler
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Publication number: 20140332351Abstract: A linear motion conveyor is described and which includes an elongated conveyor bed having a product transporting surface for supporting and transporting a product between the opposite first and second ends thereof, and a drive assembly oriented in force transmitting relation relative to the elongated conveyor bed, and where the elongated conveyor bed, when reciprocated by the drive assembly is operable to move product alternatively between the opposite ends of the product elongated conveyor bed in a first direction; a second direction; and which is further rendered operable to substantially stop the movement of the product located between the opposite ends of the elongated conveyor bed.Type: ApplicationFiled: May 13, 2013Publication date: November 13, 2014Applicant: KEY TECHNOLOGY, INC.Inventors: Eugene Groenewald, Harm-Jan de Bruin
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Patent number: 8733540Abstract: An excited frame vibratory conveyor is described and which includes a base frame; a motor mount made integral and with the base frame; a pair of vibratory motors mounted on the motor mount; and an electrical circuit for energizing the pair of vibratory motors in a fashion which reduces movement of the base frame in a vertical direction.Type: GrantFiled: October 10, 2012Date of Patent: May 27, 2014Assignee: Key Technology, Inc.Inventors: Chris Woiler, Dean Dunham, Mark Schmidtgall, Jeff Brant, Tim Rickard, Chuck Jameson
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Patent number: 8714362Abstract: A sorting apparatus is described, and which includes a conveyor which transports a produce stream for inspection. The conveyor has various regions formed in part of ridges, troughs and apertures which reduce the weight of the produce stream, as well as reduces the vertical and horizontal components of motion of the produce stream, as the produce stream progresses from one end to the other.Type: GrantFiled: April 24, 2012Date of Patent: May 6, 2014Assignee: Key Technology, Inc.Inventors: Peter T. Jones, Brandon T. Hall, David W. Hufford, Timothy L. Justice, Tracy L. McGowen, Gerald R. Richert, Roydan T. Tomlinson, Jean-Francois Pellet, Quentin F. Kemph
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Patent number: 8708153Abstract: A grape processing apparatus and method is described and which includes a screen, a cleated conveyor belt with a bottom flight and which is spaced from the screen, and a source of bunches of grapes which have associated stems, and which are fed into a predetermined space between the bottom flight of the cleated conveyor belt and the screen, and wherein the bunches of grapes move along the screen in a rolling and tumbling motion to separate the individual grapes from the associated stems, and wherein the individual grapes are collected thereafter.Type: GrantFiled: August 14, 2012Date of Patent: April 29, 2014Assignee: Key Technology, Inc.Inventors: David W. Hufford, Tracy McGowen, Quentin Kemph
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Patent number: 8662314Abstract: The present invention is an apparatus and method for sorting foreign material and undesirable articles from a product stream. A mechanical diverter having a concave shape is responsive to an inspection station coupled to the product stream. The mechanical diverter is employed to effectively launch or otherwise redirect undesirable articles in an alternate path. In addition, an air ejector in one form of the invention is provided and is responsive to the inspection station and is employed to dislodge foreign material from the product stream.Type: GrantFiled: December 6, 2011Date of Patent: March 4, 2014Assignee: Key Technology, Inc.Inventors: Peter T. Jones, Philip L. Hoffman, Hans G. Halmberger, Ken McGarvey, James Ruff, Mike Lemke, Timothy Reardon
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Patent number: 8517168Abstract: A spring for a vibratory conveyor is described and which includes an elongated substantially planar main body which is mounted on a vibratory conveyor for moving a source of product, and which has a longitudinal axis, and a predetermined spring constant, and wherein the elongated main body can repeatedly flex and twist about the longitudinal axis without substantially degrading the spring constant of the elongated main body.Type: GrantFiled: June 20, 2011Date of Patent: August 27, 2013Assignee: Key Technology, Inc.Inventor: David W. Hufford
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Patent number: 8406919Abstract: A quality regulating apparatus and method is disclosed which operates on a product stream having an incoming product stream quality level so that an outgoing product stream quality level provided by the apparatus follows a target quality level so that it is better than the target quality level providing a maximum yield. The apparatus includes a conveying device, a product stream imager, an inspection engine, a routing engine, and an object diverting station. In operation, the inspection engine and routing engine cooperate in a manner so that objects classified as defective are intentionally passed to the output product stream when their inclusion maintains the quality level of the first output product stream at a level that is better than or equal to the target quality level.Type: GrantFiled: March 12, 2010Date of Patent: March 26, 2013Assignee: Key Technology, Inc.Inventors: Russel A. Hill, Rodney J. Fazzari, Timothy Reardon
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Patent number: 8281931Abstract: An apparatus and method for post-threshing inspection and sorting of tobacco lamina is described and which includes a separation conduit which receives a source of post-threshed tobacco lamina and other contaminants for inspection and sorting, and wherein a source of pressurized air causes the tobacco lamina to move along the separation conduit past an inspection station where it is optically inspected to identify undesirable tobacco lamina or other contaminants; and a downstream reject station is provided which responds to a sorting signal provided by the inspection station and which removes unwanted or undesirable tobacco lamina and other contaminants from an air stream so as to provide a resulting product which is substantially free from contaminants or other defects.Type: GrantFiled: September 18, 2009Date of Patent: October 9, 2012Assignee: Key Technology, Inc.Inventors: Harry Drewes, Wolfgang Benz, Hans Dierken, Peter Funke, Frank Schuster, Cliff J. Leidecker, J. Thomas Higgins
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Patent number: 8283589Abstract: A sorting apparatus is described and which includes an inspection station; a multiplicity of electromagnetic radiation emitters and detectors; an optical filter which is positioned in front of the electromagnetic radiation detectors, and which passes electromagnetic radiation having a given polarization; an ejector assembly positioned downstream from the inspection station for removing defective objects of interest which are identified; and a computer/controller for selectively energizing the electromagnetic radiation emitter, and detector, and rendering the ejector assembly operational to remove defective objects of interest, from a stream of objects of interest which have passed through an inspection station.Type: GrantFiled: December 1, 2010Date of Patent: October 9, 2012Assignee: Key Technology, Inc.Inventors: Carlo Janssens, Geert Milis, Johan Calcoen
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Patent number: 8220639Abstract: The present invention is an apparatus and method for sorting foreign material and undesirable articles from a product stream. A mechanical diverter having a concave shape is responsive to an inspection station coupled to the product stream. The mechanical diverter is employed to effectively launch or otherwise redirect undesirable articles in an alternate path. In addition, an air ejector is responsive to the inspection station and is employed to dislodge foreign material from the product stream.Type: GrantFiled: March 19, 2009Date of Patent: July 17, 2012Assignee: Key Technology, Inc.Inventors: Philip L. Hoffman, Hans G. Haimberger, Ken McGarvey, James Ruff, Mike Lemke, Timothy Reardon
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Patent number: 7874081Abstract: A method of filling a drying system 24 with product comprises providing a washing unit 22, and a drier or driers 26a, 26b arranged such that one at a time the driers 26a, 26b receive product 48 discharged from the output of the washing unit 22. The washing unit 22 is configured to receive product 48 which is continuously weighed 104 as it is delivered to the washing unit. The product is washed in the washing unit 22 by being passed through the washing unit at a substantially constant speed, allowing the arrival time at the drier 26a, 26b to be predicted. The weight of product loaded into the drier is regulated by controlling the flow of product into the drier.Type: GrantFiled: October 20, 2006Date of Patent: January 25, 2011Assignee: Key Technology, Inc.Inventor: Philip John Ewen
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Patent number: 7853066Abstract: An endless belt for an object inspection system is described and which includes a flexible foundation layer; and a substantially transparent layer juxtaposed upon the flexible foundation layer, and which supports an object to be inspected, and which reflects and refracts a source of electromagnetic radiation so as to irradiate the object to be inspected.Type: GrantFiled: March 5, 2007Date of Patent: December 14, 2010Assignee: Key Technology, Inc.Inventors: Brian Howton, Ken Carambot, Robert Reusch
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Patent number: 7842896Abstract: An apparatus and method for selectively removing or sorting undesirable articles wherein a product stream is transported by a conveyor, and then interrogated by an optical scanner and sorting processor to inspect and label the articles according to user specified criteria. Articles labeled or classified as undesirable articles are removed by an ejector or removal station while desirable or acceptable articles are passed.Type: GrantFiled: April 25, 2008Date of Patent: November 30, 2010Assignee: Key Technology, Inc.Inventors: Johan Calcoen, Carlo Janssens, Jeroen J. W. Erinkveld
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Patent number: 7775343Abstract: A manufacturing device for use with a vibratory conveyor having a product transporting bed, and a method for manufacturing a product is described and which includes a flexible substrate having a first upper course, and a second lower course which rests upon a product transporting bed of a vibratory conveyor, and wherein a product which is being manufactured and transported by the vibratory conveyor travels between the upper and lower courses of the flexible substrate as the product moves along the vibratory conveyor.Type: GrantFiled: March 1, 2007Date of Patent: August 17, 2010Assignee: Key Technology, Inc.Inventors: Quentin Kemph, Eric Mason, Ken Carambot, Teri Johnson, Phil Hoffman, Brian Howton