FR2444572B1 - Regles paralleles universelles du type a rails - Google Patents
Regles paralleles universelles du type a railsInfo
- Publication number
- FR2444572B1 FR2444572B1 FR7931471A FR7931471A FR2444572B1 FR 2444572 B1 FR2444572 B1 FR 2444572B1 FR 7931471 A FR7931471 A FR 7931471A FR 7931471 A FR7931471 A FR 7931471A FR 2444572 B1 FR2444572 B1 FR 2444572B1
- Authority
- FR
- France
- Prior art keywords
- rail type
- universal parallel
- parallel rules
- rules
- universal
- 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
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)
- Bearings For Parts Moving Linearly (AREA)
- Vibration Prevention Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16222878A JPS5586796A (en) | 1978-12-23 | 1978-12-23 | Guide mechanism for counterweight in railltype universal parallel rule or like |
JP16223178A JPS5586799A (en) | 1978-12-23 | 1978-12-23 | Guide mechanism for counterweight in railltype universal parallel rule or like |
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 |
---|---|
FR2444572A1 FR2444572A1 (fr) | 1980-07-18 |
FR2444572B1 true FR2444572B1 (fr) | 1987-10-16 |
Family
ID=27306758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7931471A Expired FR2444572B1 (fr) | 1978-12-23 | 1979-12-21 | Regles paralleles universelles du type a rails |
Country Status (5)
Country | Link |
---|---|
US (1) | US4312132A (fr) |
DE (1) | DE2951841C2 (fr) |
FR (1) | FR2444572B1 (fr) |
GB (1) | GB2040056B (fr) |
IT (1) | IT1119991B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1192420B (it) * | 1982-05-10 | 1988-04-13 | Heron Parigi Sdf Di Parigi Gio | Tecnigrafo parallelo per la rapida esecuzione di tracciati paralleli per mezzo di una grande riga fissata a sbalzo su un carrello scorrevole sopra una guida posta da un solo lato del piano da disegno |
CN102363908A (zh) * | 2011-08-17 | 2012-02-29 | 胡圣桃 | 圆织机磁悬浮凸轮结构 |
CN102363907A (zh) * | 2011-08-17 | 2012-02-29 | 胡圣桃 | 磁悬浮圆织机 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1035764A (en) * | 1962-04-04 | 1966-07-13 | Geoffrey Richard Polgreen | Improvements in and relating to systems of transportation |
DE1511463A1 (de) * | 1966-04-28 | 1969-06-26 | Nestler Ag Albert | Laufwagenzeichenmaschine mit einem Ausgleichsgewicht fuer einen Laufwagen |
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 |
US3441331A (en) * | 1967-10-23 | 1969-04-29 | Gen Motors Corp | Gliding shelf |
US3673691A (en) * | 1969-12-11 | 1972-07-04 | Ray And Gilbert Proprietary Lt | Drafting machine |
DE2005331C3 (de) * | 1970-02-06 | 1973-01-04 | Karl 8399 Rotthalmuenster Braun | Führungsvorrichtung für Tonabnehmer |
AU3280671A (en) * | 1971-08-26 | 1973-03-01 | Smith Michaela. | Draughting machine, with draughting head constrained to move in parallel straight lines through the action of a magnetic flux |
JPS584640B2 (ja) * | 1975-12-20 | 1983-01-27 | ムトウコウギヨウ カブシキガイシヤ | レ−ルタイプ自在平行定規における直定規の支持装置 |
-
1979
- 1979-12-14 GB GB7943226A patent/GB2040056B/en not_active Expired
- 1979-12-19 US US06/105,748 patent/US4312132A/en not_active Expired - Lifetime
- 1979-12-21 DE DE2951841A patent/DE2951841C2/de not_active Expired
- 1979-12-21 IT IT69457/79A patent/IT1119991B/it active
- 1979-12-21 FR FR7931471A patent/FR2444572B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2951841A1 (de) | 1980-06-26 |
GB2040056B (en) | 1984-06-27 |
GB2040056A (en) | 1980-08-20 |
US4312132A (en) | 1982-01-26 |
FR2444572A1 (fr) | 1980-07-18 |
DE2951841C2 (de) | 1983-05-19 |
IT7969457A0 (it) | 1979-12-21 |
IT1119991B (it) | 1986-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |