DK1004784T3 - Pillar of promise - Google Patents

Pillar of promise

Info

Publication number
DK1004784T3
DK1004784T3 DK99122113T DK99122113T DK1004784T3 DK 1004784 T3 DK1004784 T3 DK 1004784T3 DK 99122113 T DK99122113 T DK 99122113T DK 99122113 T DK99122113 T DK 99122113T DK 1004784 T3 DK1004784 T3 DK 1004784T3
Authority
DK
Denmark
Prior art keywords
tubes
bearing
promise
pillar
interfaces
Prior art date
Application number
DK99122113T
Other languages
Danish (da)
Inventor
Frank Schweizer
Felice Salvador
Paul Argast
Beat Egli
Christian Wuethrich
Thomas Jehle
Original Assignee
Magnetic Elektromotoren Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4231416&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1004784(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Magnetic Elektromotoren Ag filed Critical Magnetic Elektromotoren Ag
Application granted granted Critical
Publication of DK1004784T3 publication Critical patent/DK1004784T3/en

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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/12—Arrangements for adjusting play
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/20—Telescopic guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/262—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Control And Safety Of Cranes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Laminated Bodies (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Jib Cranes (AREA)

Abstract

A lifting jack consists of two concentric tubes (1, 2) of different diameter with a power system sliding the tubes with respect to each other along a common longitudinal axis (4). The tubes (1, 2) are separated by a bearing (7) which is fixed to the end of one pipe. The bearing (7) consists of two parts (6, 19) with interfaces (15, 23), one width (B) of which is adjustable.
DK99122113T 1998-11-23 1999-11-05 Pillar of promise DK1004784T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH233598 1998-11-23

Publications (1)

Publication Number Publication Date
DK1004784T3 true DK1004784T3 (en) 2004-06-01

Family

ID=4231416

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99122113T DK1004784T3 (en) 1998-11-23 1999-11-05 Pillar of promise

Country Status (4)

Country Link
EP (1) EP1004784B1 (en)
AT (1) ATE258658T1 (en)
DE (1) DE59908411D1 (en)
DK (1) DK1004784T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1529749B1 (en) * 2003-11-10 2007-02-28 SIR Societa'Italiana Riduttori S.r.l. Telescopic column for lifting and/or traction devices
DE102005006118A1 (en) * 2005-02-10 2006-08-24 Grove U.S. Llc Self-adjusting slider for telescopic crane jib
CN103037735B (en) 2010-07-29 2016-06-01 利纳克有限公司 It is preferred for the lifting column of Height Adjustable table
CN104066356B (en) 2011-12-06 2017-06-13 利纳克有限公司 It is preferred for the lifting column of Height Adjustable desk
DE102014207930A1 (en) * 2014-04-28 2015-10-29 Aktiebolaget Skf Profile glider, lifting column and method for mounting a lifting column
CN107673247B (en) * 2017-09-01 2019-10-22 北汽福田汽车股份有限公司 Telescopic jib and engineering machinery
EP3728100B1 (en) * 2017-12-19 2023-09-06 3M Innovative Properties Company Confined-space davit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE352760C (en) * 1922-05-03 Schleifwaren Und Schleifmaschi Training of the roller guide for grinding spindle support beams guided on a column
DE2303644C3 (en) * 1973-01-25 1975-09-25 Karl Kaessbohrer Fahrzeugwerke Gmbh, 7900 Ulm Telescopic boom for cranes
US3831771A (en) * 1973-02-16 1974-08-27 Harnischfeger Corp Mobile crane with telescopic boom and jib and method for connecting the latter
HU189995B (en) * 1982-02-02 1986-08-28 Magyar Goerdueloecsapagy Muevek,Hu Tightening roller shoe
US4957376A (en) * 1989-05-22 1990-09-18 The Warner & Swasey Company Linear bearing with a height adjustment mechanism
US5158189A (en) * 1991-12-12 1992-10-27 Watson Brothers Industries, Inc. Boom support system

Also Published As

Publication number Publication date
EP1004784B1 (en) 2004-01-28
ATE258658T1 (en) 2004-02-15
DE59908411D1 (en) 2004-03-04
EP1004784A1 (en) 2000-05-31

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