AU2001259091A1 - Backlash-resistant drive assembly for collimator in a ct scanner - Google Patents

Backlash-resistant drive assembly for collimator in a ct scanner

Info

Publication number
AU2001259091A1
AU2001259091A1 AU2001259091A AU5909101A AU2001259091A1 AU 2001259091 A1 AU2001259091 A1 AU 2001259091A1 AU 2001259091 A AU2001259091 A AU 2001259091A AU 5909101 A AU5909101 A AU 5909101A AU 2001259091 A1 AU2001259091 A1 AU 2001259091A1
Authority
AU
Australia
Prior art keywords
backlash
collimator
scanner
drive assembly
resistant drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001259091A
Other languages
English (en)
Inventor
Joanna A. Gillis
Brian M. Mcdermott
Ronald E Swain
Andrew P. Tybinkowsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Analogic Corp
Original Assignee
Analogic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/552,141 external-priority patent/US6301334B1/en
Application filed by Analogic Corp filed Critical Analogic Corp
Publication of AU2001259091A1 publication Critical patent/AU2001259091A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06—Diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2003—Screw mechanisms with arrangements for taking up backlash
    • F16H25/2006—Screw mechanisms with arrangements for taking up backlash with more than one nut or with nuts consisting of more than one bearing part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19623—Backlash take-up
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19893—Sectional
    • Y10T74/19898—Backlash take-up
    • Y10T74/19902—Screw and nut

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
AU2001259091A 2000-04-19 2001-04-18 Backlash-resistant drive assembly for collimator in a ct scanner Abandoned AU2001259091A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/552,141 US6301334B1 (en) 2000-04-19 2000-04-19 Backlash-resistant drive assembly for collimator in a CT scanner
US09552141 2000-04-19
US23370300P 2000-09-19 2000-09-19
US60233703 2000-09-19
PCT/US2001/012643 WO2001082309A1 (fr) 2000-04-19 2001-04-18 Assemblage d'entrainement sans jeu destine a un collimateur dans un tomodensitometre

Publications (1)

Publication Number Publication Date
AU2001259091A1 true AU2001259091A1 (en) 2001-11-07

Family

ID=26927160

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001259091A Abandoned AU2001259091A1 (en) 2000-04-19 2001-04-18 Backlash-resistant drive assembly for collimator in a ct scanner

Country Status (3)

Country Link
US (1) US6459770B1 (fr)
AU (1) AU2001259091A1 (fr)
WO (1) WO2001082309A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7328007B2 (en) * 2001-07-26 2008-02-05 Kyocera Wireless Corp. System and method for organizing wireless communication device system software
US20080168478A1 (en) 2007-01-07 2008-07-10 Andrew Platzer Application Programming Interfaces for Scrolling
US20080168402A1 (en) 2007-01-07 2008-07-10 Christopher Blumenberg Application Programming Interfaces for Gesture Operations
US8645827B2 (en) 2008-03-04 2014-02-04 Apple Inc. Touch event model
US8717305B2 (en) 2008-03-04 2014-05-06 Apple Inc. Touch event model for web pages
US8285499B2 (en) 2009-03-16 2012-10-09 Apple Inc. Event recognition
US8566045B2 (en) 2009-03-16 2013-10-22 Apple Inc. Event recognition
US9684521B2 (en) 2010-01-26 2017-06-20 Apple Inc. Systems having discrete and continuous gesture recognizers
US8552999B2 (en) 2010-06-14 2013-10-08 Apple Inc. Control selection approximation
US9733716B2 (en) 2013-06-09 2017-08-15 Apple Inc. Proxy gesture recognizer
KR101609932B1 (ko) * 2014-07-02 2016-04-06 (의료)길의료재단 굴곡진 가동성 빔 차단 어레이 및 이를 포함하는 cbct
ITUA20162102A1 (it) * 2016-03-30 2017-09-30 Cefla S C Dispositivo di limitazione del fascio per apparecchiature radiografiche
US10658089B2 (en) 2018-09-29 2020-05-19 Uih America, Inc. Motion guidance assembly for a collimator device
JP2023113123A (ja) * 2022-02-02 2023-08-15 ジーイー・プレシジョン・ヘルスケア・エルエルシー 自己遮蔽設計と付加製造部品を有するプリペイシェントコリメータ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962518A (en) 1987-12-07 1990-10-09 Twin City International, Inc. Apparatus for measuring the thickness of a coating
US5054041A (en) * 1990-03-19 1991-10-01 General Electric Company High precision x-ray collimator
EP0799392B1 (fr) 1994-12-21 1999-04-14 Kerk Motion Products, Inc. Ensemble ecrou anti-jeu
US5680795A (en) * 1995-07-05 1997-10-28 Norco Inc. Mechanical drive assembly incorporating counter-spring biassed radially-adjustable rollers
US5839321A (en) 1997-05-16 1998-11-24 Ball Screw & Actuators Co. Backlash compensating assembly
US6301334B1 (en) * 2000-04-19 2001-10-09 Analogic Corporation Backlash-resistant drive assembly for collimator in a CT scanner

Also Published As

Publication number Publication date
US6459770B1 (en) 2002-10-01
US20020025024A1 (en) 2002-02-28
WO2001082309A1 (fr) 2001-11-01

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