US Patent No: 5,038,911

Number of patents in Portfolio can not be more than 2000

Controlled spacing induction from plural lines

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Importance

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Abstract

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A conveyor system including an induction subassembly for producing a desired spacing between packages as they are discharged from a single induction line or merged from multiple lines. Each induction line includes a conveyor and a speed controller for controlling the running speed of the conveyor in a manner that discharges a package as close as possible to a time necessary to provide a desired gap with a previously-discharged package. A control monitors movement of packages on the conveyor of each line and includes a microcomputer for determining a speed adjustment that would be required for each speed controller to cause the packages on each of the lines to reach the associated discharge conveyor as close as possible to the desired time. The microcomputer determines which of the packages would read the associated discharge conveyor closest to the desired time and causes the speed controller for the associated conveyor to effect its speed adjustment to discharge its package. A new desired time is established for other lines based upon the estimated discharge time of the package that is selected for discharge. Speed adjustments include a constant acceleration to a higher discrete speed or deceleration to a lower discrete speed from a nominal discrete speed with a return to the nominal speed prior to discharging the package.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DEMATIC CORP.GRAND RAPIDS, MI136
MANNESMANN DEMATIC RAPISTAN CORP.GRAND RAPIDS, MI17
RAPISTAN CORP.GRAND RAPIDS, MI8

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doane, Martin R Rockford, MI 11 147
Khodor, Ahmad Grand Rapids, MI 2 77
Kohls, James P Belmont, MI 2 77

Cited Art Landscape

Patent Info (Count) # Cites Year
 
UNISYS CORPORATION (3)
4,318,540 Constant spacing document feeder 26 1980
4,331,328 Controller for a servo driven document feeder 63 1980
4,451,027 Constant spacing document feeder 71 1982
 
KOSAN CRISPLANT AND BERNHARD BEUMER MASCHINENFABRIK KG (1)
4,429,781 Method and apparatus for supplying individual items to a conveyor 23 1980
 
OMEGA MFG. CORPORATION (1)
4,360,098 Infeed conveyor 68 1977
 
PRIVASYS, INC. (1)
2003/0061,168 Method for generating customer secure card numbers 20 2001

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
DEMATIC S.R.L. (8)
6,513,641 High rate induction system 27 2000
6,889,814 Article sortation system 10 2002
6,715,598 High rate induction system 10 2003
6,918,484 High rate induction system 13 2004
7,145,095 Article sortation system 0 2005
7,121,398 High rate induction system 8 2005
7,562,760 High rate induction system 6 2006
7,863,536 Article sortation system 1 2006
 
DEMATIC CORP. (5)
6,629,593 Conveyor induction system 23 2001
7,012,211 Single pass sequencing assembly 12 2003
7,631,747 Conveyor induct system 5 2003
7,191,895 Conveyor induct system with probability estimator 9 2004
7,413,071 Conveyor induction subsystem and method of inducting articles using feedback-gappers 5 2007
 
SIEMENS INDUSTRY, INC. (5)
6,953,906 Delivery point sequencing mail sorting system with flat mail capability 36 2002
7,170,024 Delivery point sequencing mail sorting system with flat mail capability 35 2005
7,589,294 Delivery point sequencing mail sorting system with flat mail capability 4 2007
8,201,681 Method for gapping for sortation rate maximization 2 2009
7,982,156 Delivery point sequencing mail sorting system with flat mail capability 1 2009
 
ION BEAM APPLICATIONS S.A. (4)
6,777,689 Article irradiation system shielding 10 2001
6,583,423 Article irradiation system with multiple beam paths 5 2001
6,770,891 Article irradiation system with multiple beam paths 0 2003
6,753,535 Article irradiation system with multiple beam paths 29 2003
 
ABBOTT LABORATORIES (2)
5,891,734 Method for performing automated analysis 50 1996
5,795,784 Method of performing a process for determining an item of interest in a sample 78 1996
 
QUEST DIAGNOSTICS INCORPORATED (2)
5,623,415 Automated sampling and testing of biological materials 56 1995
5,966,309 Clinically testing biological samples 29 1997
 
HARRIS TRUST AND SAVINGS BANK (1)
5,954,330 Method and apparatus for synchronizing a document feeder with a mail sorting conveyor 6 1996
 
JERVIS B. WEBB COMPANY (1)
7,263,409 Method and apparatus for tracking a load on a conveyor system 9 2003
 
LOCKHEED MARTIN CORPORATION (1)
5,860,504 Transfer buffer and inserter and method 35 1994
 
LTG LUFTTECHNISCHE GESELLSCHAFT MIT BESCHRANKTER HAFTUNG (1)
5,624,020 Device for linearly conveying sheet like products 1 1995
 
METSO MINERALS, INC. (1)
7,938,272 Method for controlling a screening machine and a screening machine 1 2003
 
RAPISTAN CORP. (1)
5,167,315 Carton aligner for two-way diverter 14 1991
 
SANDVIK SORTING SYSTEMS, LLC (1)
5,738,202 Methods and apparatus for establishing a desired positional relationship between random-length articles conveyed in single file 34 1995
 
SASIB PACKAGING ITALIA S.R.L. (1)
5,782,332 Device and corresponding method for grouping together random product flows into a single path according to a pre-established and adjustable rate of advance 25 1995
 
SIEMENS AKTIENGESELLSCHAFT (1)
8,360,230 Method and apparatus for measuring a parameter during the transport of objects to a processing device 1 2011
 
SSI SCHÄFER PEEM GMBH (1)
8,061,506 Material-flow control for collision avoidance in a conveyor system 1 2009
 
Vanderlande Industries Nederland B.V. (1)
6,702,095 Method and device for conveying objects 2 2001