DE3876697T2 - Sicherheitsvorrichtung. - Google Patents

Sicherheitsvorrichtung.

Info

Publication number
DE3876697T2
DE3876697T2 DE8888305939T DE3876697T DE3876697T2 DE 3876697 T2 DE3876697 T2 DE 3876697T2 DE 8888305939 T DE8888305939 T DE 8888305939T DE 3876697 T DE3876697 T DE 3876697T DE 3876697 T2 DE3876697 T2 DE 3876697T2
Authority
DE
Germany
Prior art keywords
safety device
safety
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.)
Expired - Fee Related
Application number
DE8888305939T
Other languages
English (en)
Other versions
DE3876697D1 (de
Inventor
John Charles Payne
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3876697D1 publication Critical patent/DE3876697D1/de
Publication of DE3876697T2 publication Critical patent/DE3876697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2472—Safety nuts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1059—Seats
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1063—Safety means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • A61G7/1076—Means for rotating around a vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18592—Auxiliary drive [e.g., fluid piston, etc.] for load
    • 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
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nursing (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)
DE8888305939T 1987-07-03 1988-06-30 Sicherheitsvorrichtung. Expired - Fee Related DE3876697T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878715644A GB8715644D0 (en) 1987-07-03 1987-07-03 Safety applications

Publications (2)

Publication Number Publication Date
DE3876697D1 DE3876697D1 (de) 1993-01-28
DE3876697T2 true DE3876697T2 (de) 1993-08-05

Family

ID=10620015

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888305939T Expired - Fee Related DE3876697T2 (de) 1987-07-03 1988-06-30 Sicherheitsvorrichtung.

Country Status (4)

Country Link
US (1) US4962674A (de)
EP (1) EP0297864B1 (de)
DE (1) DE3876697T2 (de)
GB (2) GB8715644D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466615B (sv) * 1989-08-04 1992-03-09 Bo Granbom Stoedmutter foer skruvspindel
US5325732A (en) * 1989-12-15 1994-07-05 Vogel Ferdinand L Motion-transmitting combination comprising a castable, self-lubricating composite and methods of manufacture thereof
US5485760A (en) * 1994-05-10 1996-01-23 Thomson Saginaw Ball Screw Company, Inc. Ball nut and screw assemblies and methods of attaching extensions or housings to the ball nuts thereof
US5755310A (en) * 1996-09-17 1998-05-26 Joyce/Dayton Corporation Ratchet lifting nut assembly
US6557431B2 (en) * 2001-02-02 2003-05-06 Siemens Medical Solutions Usa, Inc. Fail-safe ball screw
US6467363B2 (en) * 2001-02-07 2002-10-22 Moog Inc. Ball screw actuator locking mechanism
US6412606B1 (en) * 2001-10-03 2002-07-02 Chun-Liang Wu Damper/positioning structure
US20070170007A1 (en) * 2005-11-22 2007-07-26 Hiwin Technologies Corp. Ball screw drive mechanism for an elevator
DE102020114161B4 (de) 2020-05-27 2024-04-04 HYDRO Holding KG Sicherungsvorrichtung für eine Hubvorrichtung und Hubvorrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR578811A (fr) * 1924-03-18 1924-10-04 Perfectionnement apporté aux crics
GB652199A (en) * 1948-12-23 1951-04-18 Mb Wild & Co Ltd Improvements relating to screw-jack and like mechanisms
GB779968A (en) * 1954-07-06 1957-07-24 Anton Schroder Improvements in or relating to drive mechanisms for use with lifting jacks
FR1110210A (fr) * 1954-10-20 1956-02-09 Dispositif formant écrou de sécurité pour appareils comportant une tige filetée,notamment les appareils de levage et supprimant toutes manoeuvres lors de la montéeet éventuellement lors de la descente de la tige filetée
US2875631A (en) * 1957-12-16 1959-03-03 Gen Motors Corp Mechanical movement device
GB1068231A (en) * 1964-01-23 1967-05-10 British Aircraft Corp Ltd Improvements in screw-and-nut mechanisms incorporating recirculating ball screws
US3502358A (en) * 1968-05-17 1970-03-24 Claypool Aluminum Products Inc Adjustable post assembly
FR2262237B1 (de) * 1974-02-26 1977-06-10 Anvar
US4669943A (en) * 1985-10-01 1987-06-02 Zamotin Rodvinon I Wheelchair for transferring occupant to motor vehicle

Also Published As

Publication number Publication date
GB8808351D0 (en) 1988-05-11
EP0297864A1 (de) 1989-01-04
GB2208695A (en) 1989-04-12
DE3876697D1 (de) 1993-01-28
EP0297864B1 (de) 1992-12-16
GB8715644D0 (en) 1987-08-12
US4962674A (en) 1990-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee