EP0106388A1 - Klemmvorrichtung an einem Zeichentisch - Google Patents
Klemmvorrichtung an einem Zeichentisch Download PDFInfo
- Publication number
- EP0106388A1 EP0106388A1 EP83201326A EP83201326A EP0106388A1 EP 0106388 A1 EP0106388 A1 EP 0106388A1 EP 83201326 A EP83201326 A EP 83201326A EP 83201326 A EP83201326 A EP 83201326A EP 0106388 A1 EP0106388 A1 EP 0106388A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- jaws
- column
- plate
- brake
- 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.)
- Granted
Links
- 230000000284 resting effect Effects 0.000 claims abstract description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- 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
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
- A47B27/14—Adjustable underframes
Definitions
- Device for blocking a drawing table mainly composed of a work surface fixed on a movable column sliding vertically in a frame resting on the ground so that this work surface is adjustable in height and inclination.
- the weight of the board and all the drawing elements which are connected to it is compensated by a balancing device arranged between the frame and the board.
- the drawing table is also provided with a constant locking brake which can be released by the action of a pedal on a control rod.
- Known locking devices are, in general, composed by self-tightening systems with cam or connecting rods used on mobile columns rectangular.
- the purpose of the locking device according to the invention is to add a third dimension to the positioning of the work surface: the adjustment in rotation.
- this device is characterized by the fact that the movable column is cylindrical and by the fact that a brake, constituted by two jaws integral with the frame, controlled by a pedal external to the frame connected to the brake by a rod, encloses the mobile column in order to immobilize it both in height and in rotation inside the frame.
- One of the jaws is connected to a fixed point on the frame by an axis adjustable in position which ensures the alignment of the mechanism on the column, the other jaw is made integral with the first by an adjustable yoke making it possible to bring together or move away the two jaws of each other in order to adjust the brake application on the mobile column.
- each of the connecting rods is connected to a movable plate, the other end being connected to the end of a fine jaw.
- the movable plate is connected to the external pedal to the frame by at least one rod, located inside the frame, which controls the movements of said plate allowing, by the action of the connecting rods on the brake shoes, the momentary release of these and the change of position of the work plan.
- FIG. 1 represents an overall view of a drawing table mainly composed of a frame 1. provided with a base 2, in which slides a column 3 supporting a work surface 4 by means of a fitting orientation 5.
- a weight balancing device is shown in dotted lines, for the record.
- the arrows a, b, c indicate the three orientations that can be given to work plan 4.
- FIGS. 2 and 3 represent the device which consists of a brake 7 composed of two semi-circular jaws 70, 71, optionally provided with fittings, adapted to the external shape of the column 3.
- the jaws 70. 71 are supported on the frame 1. on one side by a hinge 701 on a fixed point 100 of said frame arranged so that it allows, while supporting them, the spacing of the brake shoes 7.
- the jaw 70 carries on one of its ends 700 the articulation 701 constituted by an oblong orifice 702 through which passes a bolt 703 which keeps it on the fixed point 100.
- the jaw 71 carries at the corresponding end 710 an adjustable yoke 711 allowing bringing the two jaws closer together or further apart and adjusting the tightening on the column 3. Perfect alignment of the brake 7 on the column 3 is ensured by the positioning of the bolt 703 in the oblong orifice 702 of the fixed point 100.
- the opposite ends 704 and 712 of the jaws 70 and 71 rest freely on the step 101 and slide on this support when they are separated from one another by a pressure P exerted on the pedal 6.
- FIG. 4 represents the brake control means 7 constituted by a plate 8 suspended by two springs 9 hung on one side on pins 102 of the frame. on the other on the plate 8 by holes 80 thereby exerting a tensile force F on said plate.
- Said plate 8 thus suspended, comprising connecting elements with the jaws 70, 71 constituted by two connecting rods 81. 82 mounted, each on two pivots. some 83 84 fitted perpendicular to the plane of plate B, others 705, 713 encased in the ends 704. 712 of the jaws 70, 71.
- the plate 8 is pierced with two holes 85, 86 through which pass the curved ends 11 of two rods 10 connected to the pedal 6 and held in place by washers and / or pins.
- Figure 5 shows the entire locking device. in place inside the frame, with the exception of the fixed points 100 and 101 of the frame 1 on which it rests.
- the plate 8 controls the opening of the shoes 70, 71 of the brake 7 by means of the connecting rods 81, 82.
- a device for balancing the weights of the work surface and the drawing apparatuses as described in the document FR No 79 03926 prevents any abrupt descent of the latter when the pressure P is applied to the pedal 6.
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8216328A FR2533122B1 (fr) | 1982-09-22 | 1982-09-22 | Dispositif de blocage d'une table a dessin |
FR8216328 | 1982-09-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0106388A1 true EP0106388A1 (de) | 1984-04-25 |
EP0106388B1 EP0106388B1 (de) | 1985-12-04 |
Family
ID=9277818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83201326A Expired EP0106388B1 (de) | 1982-09-22 | 1983-09-15 | Klemmvorrichtung an einem Zeichentisch |
Country Status (6)
Country | Link |
---|---|
US (1) | US4557450A (de) |
EP (1) | EP0106388B1 (de) |
JP (1) | JPS5977808A (de) |
AU (1) | AU553554B2 (de) |
DE (1) | DE3361435D1 (de) |
FR (1) | FR2533122B1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2551332B1 (fr) * | 1983-09-07 | 1987-04-17 | Alpia Sa | Dispositif de securite pour l'immobilisation d'une colonne de table a dessin |
US5289782A (en) * | 1991-12-03 | 1994-03-01 | Westinghouse Electric Corp. | Adjustable height table |
CN112128585A (zh) * | 2020-09-17 | 2020-12-25 | 国网山东省电力公司烟台供电公司 | 一种配电线路在线监测装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1220570B (de) * | 1962-02-19 | 1966-07-07 | Pfaff Ag G M | Zeichenbrettstaender |
US3908944A (en) * | 1972-12-04 | 1975-09-30 | Domkraft Ab Nike | Drawing table with drawing board relieved by gas spring |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096059A (en) * | 1961-03-22 | 1963-07-02 | F And F Koenigkramer Company | Telescoping means having indexing, braking and interlocking means |
US3211250A (en) * | 1962-12-21 | 1965-10-12 | Garfield A Wood | Seat-actuated brake and switch arrangement for motor vehicles |
US4213244A (en) * | 1978-05-08 | 1980-07-22 | The Bendix Corporation | Coordinate measuring machine having a failsafe protection system |
DE3003119C2 (de) * | 1979-02-12 | 1986-11-27 | Société Jeandal, Besancon | Vorrichtung zur Blockierung der Arbeitsfläche eines Zeichentisches |
-
1982
- 1982-09-22 FR FR8216328A patent/FR2533122B1/fr not_active Expired
-
1983
- 1983-09-07 AU AU18795/83A patent/AU553554B2/en not_active Ceased
- 1983-09-15 EP EP83201326A patent/EP0106388B1/de not_active Expired
- 1983-09-15 DE DE8383201326T patent/DE3361435D1/de not_active Expired
- 1983-09-19 US US06/533,546 patent/US4557450A/en not_active Expired - Fee Related
- 1983-09-21 JP JP58173305A patent/JPS5977808A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1220570B (de) * | 1962-02-19 | 1966-07-07 | Pfaff Ag G M | Zeichenbrettstaender |
US3908944A (en) * | 1972-12-04 | 1975-09-30 | Domkraft Ab Nike | Drawing table with drawing board relieved by gas spring |
Also Published As
Publication number | Publication date |
---|---|
FR2533122A1 (fr) | 1984-03-23 |
AU1879583A (en) | 1984-03-29 |
EP0106388B1 (de) | 1985-12-04 |
US4557450A (en) | 1985-12-10 |
JPH0258922B2 (de) | 1990-12-11 |
DE3361435D1 (en) | 1986-01-16 |
FR2533122B1 (fr) | 1986-08-29 |
AU553554B2 (en) | 1986-07-17 |
JPS5977808A (ja) | 1984-05-04 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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Effective date: 19840511 |
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ITF | It: translation for a ep patent filed |
Owner name: BUGNION S.P.A. |
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REF | Corresponds to: |
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STAA | Information on the status of an ep patent application or granted ep patent |
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