FR2449540B1 - - Google Patents

Info

Publication number
FR2449540B1
FR2449540B1 FR8001651A FR8001651A FR2449540B1 FR 2449540 B1 FR2449540 B1 FR 2449540B1 FR 8001651 A FR8001651 A FR 8001651A FR 8001651 A FR8001651 A FR 8001651A FR 2449540 B1 FR2449540 B1 FR 2449540B1
Authority
FR
France
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
Application number
FR8001651A
Other languages
French (fr)
Other versions
FR2449540A1 (fr
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.)
Mutoh Industries Ltd
Original Assignee
Mutoh Industries Ltd
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 JP2000179A external-priority patent/JPS55117695A/ja
Priority claimed from JP54091482A external-priority patent/JPS5831320B2/ja
Application filed by Mutoh Industries Ltd filed Critical Mutoh Industries Ltd
Publication of FR2449540A1 publication Critical patent/FR2449540A1/fr
Application granted granted Critical
Publication of FR2449540B1 publication Critical patent/FR2449540B1/fr
Granted 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/045—Guides for rulers with carriages
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0434—Passive magnetic bearings with permanent magnets on both parts repelling each other for parts moving linearly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Drawing Aids And Blackboards (AREA)
FR8001651A 1979-02-21 1980-01-25 Regles paralleles universelles du type a rails Granted FR2449540A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000179A JPS55117695A (en) 1979-02-21 1979-02-21 Mechanism for reducing moving load of head in rail type universal parallel ruler device* etc*
JP54091482A JPS5831320B2 (ja) 1979-07-20 1979-07-20 レ−ルタイプ自在平行定規におけるバランスウエイト案内装置

Publications (2)

Publication Number Publication Date
FR2449540A1 FR2449540A1 (fr) 1980-09-19
FR2449540B1 true FR2449540B1 (OSRAM) 1984-10-26

Family

ID=26356896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001651A Granted FR2449540A1 (fr) 1979-02-21 1980-01-25 Regles paralleles universelles du type a rails

Country Status (4)

Country Link
DE (1) DE2952737C2 (OSRAM)
FR (1) FR2449540A1 (OSRAM)
GB (1) GB2042744B (OSRAM)
IT (1) IT1128236B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667300A (en) * 1979-11-06 1981-06-06 Asahi Seimitsu Kk Supporting device for head section in universal parallel rule
DE3100636C2 (de) * 1981-01-12 1983-11-03 Aristo Graphic Systeme Gmbh & Co Kg, 2000 Hamburg Automatische Zeichenanlage
FR2497727A1 (fr) * 1981-01-12 1982-07-16 Aristo Graphic Systeme Appareil a dessiner automatique
CN112914237B (zh) * 2021-02-26 2022-04-08 北京中色测绘院有限公司 一种可以对抗恶劣天气的土地规划用的图形测绘装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1511445A1 (de) * 1966-05-15 1969-04-10 Kulcke Dipl Ing Otto Vorrichtung zur Sicherung der Parallelfuehrung einer Reissschiene
DE1511421A1 (de) * 1966-06-20 1969-07-10 Broll Werner Magnetische Vorrichtung fuer Reissbrett und Reissschiene
DE1919711A1 (de) * 1969-04-18 1970-11-05 Moeckel Heinrich Laufwagenzeichenmaschine
DE2551566A1 (de) * 1975-11-17 1977-05-26 Kuhlmann Kg Franz Laufwagen-zeichenmaschine

Also Published As

Publication number Publication date
IT1128236B (it) 1986-05-28
IT8067269A0 (it) 1980-02-21
DE2952737A1 (de) 1980-09-04
FR2449540A1 (fr) 1980-09-19
GB2042744A (en) 1980-09-24
DE2952737C2 (de) 1982-12-02
GB2042744B (en) 1984-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse