WO2010045920A1 - Compas - Google Patents

Compas Download PDF

Info

Publication number
WO2010045920A1
WO2010045920A1 PCT/DE2009/001423 DE2009001423W WO2010045920A1 WO 2010045920 A1 WO2010045920 A1 WO 2010045920A1 DE 2009001423 W DE2009001423 W DE 2009001423W WO 2010045920 A1 WO2010045920 A1 WO 2010045920A1
Authority
WO
WIPO (PCT)
Prior art keywords
compass
slide
head
legs
locking element
Prior art date
Application number
PCT/DE2009/001423
Other languages
German (de)
English (en)
Inventor
Oliver Seelig
Original Assignee
Draw.Tec Gmbh & Co. Kg
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 Draw.Tec Gmbh & Co. Kg filed Critical Draw.Tec Gmbh & Co. Kg
Priority to EP09771268.1A priority Critical patent/EP2337691B1/fr
Priority to CN200980142101.XA priority patent/CN102196921B/zh
Publication of WO2010045920A1 publication Critical patent/WO2010045920A1/fr

Links

Classifications

    • 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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
    • B43L9/22—Leg-angle adjusting-means separate from pivots

Definitions

  • the invention relates to a compass, with a compass head and two pivotally interconnected compass legs and a locking device, wherein the locking device comprises a movable slide, which is possible between a first position in which a movement of the compass legs and a second position in the the compass legs are blocked, is displaceable.
  • Such circles have no Mittelradspindel for adjusting the compass.
  • the joint in the compass head is usually formed by one or two head screws, wherein the compass is constructed so that the movement of the two compass legs takes place synchronously.
  • the compass legs are usually connected to each other via intermeshing teeth, for example as shown in DE 7244964 U. There, the compass legs are provided in the region of the compass head with a circular segment-shaped toothing.
  • DE 2 246 321 A a compass is described with a device for fine adjustment of the compass legs, the a spring for applying a biasing force to a gear pinion.
  • a circle is disclosed in DE 38 36 682 C1, which has a locking device, which is for example designed as a clamping pliers and acts on a gear or a pinion to lock this releasably.
  • DE 33 19 73 A relates to a compass, wherein in the region of the circular head a round wedge is provided, which is guided in a wedge-shaped groove and can be clamped by pressing a screw against the compass legs.
  • these known circles with an adjustment mechanism in the compass head have the disadvantage that they are complicated in structure and expensive to manufacture.
  • the invention is therefore based on the object to provide a compass without intermediate wheel, which allows a lock and simpler structure and thus less expensive to produce.
  • the invention is provided in a compass of the type mentioned that the slide is arranged on one of the compass legs and is displaceable along a guide.
  • Such a slide is simpler in comparison to the complex constructions known from the prior art and can be produced inexpensively.
  • the compass according to the invention can also be used for drawing larger radii without the radius being adjusted.
  • an extension rod can be mounted.
  • the slider is arranged on a compass leg and is displaceable along a guide. By moving the slider along the guide, the compass can be easily brought from the locked position to the unlocked position where a change in radius is possible.
  • the guide has a groove or a recess in which a corresponding is arranged displaceably opposite projection formed, wherein the projection is arranged either on the slider or on a compass leg.
  • the guide can run substantially parallel to the compass legs or obliquely thereto or along a circular path.
  • the slider at least partially surrounds a compass leg.
  • the slider may have a substantially U-shaped cross section, the lateral portions are guided on opposite surfaces of the compass leg. In such a trained slide, the direction of movement results through the compass legs, on which the slider is guided on the outside.
  • the locking device has a first locking element arranged on the slide, which interacts with a second locking element arranged on the compass arm and / or on the compass head in order to produce positive locking.
  • the first or second locking element may have a recess into which a correspondingly formed projection of the other locking element can be inserted.
  • the compass according to the invention can be locked at different opening angles and thus different radii, it can be provided that the first or second locking element has a plurality of recesses.
  • a development of the invention provides that the slide of the compass according to the invention has an eyelet formed as a slot, by means of which it is held on the compass head. This eyelet serves as a captive for the slide.
  • the compass of the invention may have a toothing, by means of which both compass legs are coupled together. The toothing causes a synchronous movement of both compass legs.
  • each compass leg is associated with a slider.
  • a variant of the compass according to the invention provides that the locking device has a first locking element arranged on the slide, which interacts with a second locking element arranged on the compass arm and / or on the compass head in order to produce a traction.
  • the first or second locking member has a wedge surface which is clamped against a mating surface of the other locking member to generate the frictional connection.
  • the locking element having the wedge surface is guided on an adjusting spindle and is displaceable by turning the adjusting spindle.
  • the adjusting spindle can be arranged in a recess of the compass leg. It is also conceivable that two wedge surfaces are guided on the adjusting spindle, which can be applied to opposite surfaces of the compass leg.
  • a further alternative embodiment of the invention provides that the locking device has a first locking element arranged on the slide, which is movable by means of an adjusting spindle and has a surface, wherein the first locking element interacts with a second locking element arranged on the compass leg.
  • 1A is a perspective view of a compass according to the invention in the unlocked position
  • Fig. 1B is a front view of the circle of Fig. 1A;
  • Figure 1C is a section through the compass shown in Figure 1 B along the line N.
  • Fig. 1 D is an enlarged view of the compass head
  • Fig. 2A is a perspective view of the circle in the locked state
  • Fig. 2B is a front view of the circle of Fig. 2A;
  • Fig. 2C is a section taken along the line M-II of Fig. 2B;
  • FIG. 2D is an enlarged view of a portion of the compass shown in FIG. 2C in the area of the compass head; FIG.
  • FIG. 3A perspective views of the compass head
  • Fig. 3C is a partially sectioned front view of the compass head of Fig. 3A;
  • Fig. 3D is a partially sectioned side view of the compass head of Fig. 3A;
  • Fig. 3E is a sectional view of the compass head of Fig. 3D taken along the line MI-III;
  • 3F is an enlarged view of a portion of the compass head of FIG.
  • Fig. 4A is a perspective view of a compass leg
  • Fig. 4B is a front view of the compass leg of Fig. 4A;
  • FIG. 4C is an enlarged view of a portion of the compass leg of FIG. 4A;
  • Fig. 5A is a perspective view of a slider
  • Fig. 5B is a front view of the slider shown in Fig. 5A;
  • Fig. 5C is a side view of the slider shown in Fig. 5A;
  • Fig. 5D is a rear view of the slider shown in Fig. 5A;
  • Fig. 5E is another perspective view of the slider of Fig. 5A;
  • Fig. 5F is another perspective view of the slider of Fig. 5A;
  • FIG. 5G is an enlarged section of the slider shown in FIG. 5A; FIG.
  • Fig. 5H is an enlarged section of the slider shown in Fig. 5C;
  • FIG. 6A is a perspective view of a slider according to another embodiment
  • Fig. 6B is another perspective view of the slider shown in Fig. 6A;
  • Fig. 6C is another perspective view of the slider shown in Fig. 6A;
  • Fig. 6D is an enlarged view of a portion of the slider of Fig. 6C;
  • Fig. 6E is a front view of the slider shown in Fig. 6A;
  • FIG. 6F is a section through the slide shown in FIG. 6E along the
  • FIG. 7A shows a further embodiment of a compass according to the invention.
  • Fig. 7B is a section through the compass shown in Fig. 7A along the line VII-VII;
  • FIG. 8A shows the circle shown in FIG. 7A in the locked state
  • Fig. 8B is a section through the compass shown in Fig. 8A along the line VIII-VIII;
  • Fig. 8C is an enlarged section of the circle shown in Fig. 8B;
  • Fig. 8D is an enlarged view of the circle of Fig. 8A in the region of the locking device
  • Fig. 8E is a similar view of a portion of the compass as in Fig. 8C, but in the unlocked state;
  • FIG. 9A are perspective views of the slider of the to 9C circle shown in Fig. 8A;
  • FIG. 10A is a perspective view of a compass leg of the compass of FIG. 8A; FIG.
  • FIG. 10B is a side view of the compass leg shown in Fig. 10A;
  • FIG. 1OC is an enlarged view of a portion of the compass leg of FIG. 10A;
  • FIG. 10B is a side view of the compass leg shown in Fig. 10A;
  • FIG. 1OC is an enlarged view of a portion of the compass leg of FIG. 10A;
  • FIG. 10B is a side view of the compass leg shown in Fig. 10A;
  • FIG. 1OC is an enlarged view of a portion of the compass leg of FIG. 10A;
  • 11A is a front view of another embodiment of a compass according to the invention.
  • Fig. 11B is a perspective view of the circle shown in Fig. 11A;
  • FIG. 11C is a sectional view of the compass shown in FIG. 11A; FIG.
  • FIG. 11D shows an enlarged view of the circle shown in FIG. 11D in the region of the locking device
  • 11E is an enlarged view of the circle in the locking device in the locked state.
  • Fig. 12 is a perspective view of the slider of the compass shown in Fig. 11A.
  • the circle 1 shown in FIGS. 1A to 1 D consists essentially of a compass head 2 and two circular knuckles 3, 4 articulatedly connected thereto and a locking device 5.
  • the locking device 5 comprises a movable slide 6 which is movable between a first position, in which a movement of the compass legs 3, 4 is possible and a second position in which the compass legs 3, 4 are blocked, is displaceable.
  • the slider 6 is arranged on the compass leg 4 and slidable along a guide.
  • the compass head 2 has a central recess in which the compass legs 3, 4 are received and hinged by means of cap screws 7.
  • FIGS. 2A, 2B and 2C show the circle 1 in the locked position.
  • Fig. 2A is a perspective view of the circle 1
  • Fig. 2B is a front view of the circle 1 in the locked position
  • Fig. 2C is a sectional view of the circle 1 cut along the line M-II of Fig. 2B
  • Fig. 2D shows an enlarged section of the circle shown in Fig. 2C in the region of the compass head.
  • the slider 6 is in the locked position, in which it prevents rotation or movement of the compass legs 3, 4.
  • the slider 6 has been moved along a guide to Zirkelkopf 2 and blocked rotational movements.
  • FIGS. 3A to 3F show the circular head 2.
  • FIGs. 3A and 3B are perspective views
  • Fig. 3C is a partially sectional front view
  • Fig. 3D is a partially sectioned side view
  • Fig. 3E is a section through the in Fig. 3D shown along the line IM-III
  • Fig. 3F is an enlarged view of a section of the circular head 2 of Fig. 3A.
  • the fork-shaped compass head 2 has screw holes 8, 9 to secure the compass legs 3, 4 with cap screws 7 on the compass head 2.
  • On the inside of the compass head 2 in the region of the recess, this has a locking element designed as a recess 10 into which a projection of a locking element formed on the slider can be inserted.
  • a plurality of separate recesses may be provided.
  • Figs. 4A to 4C show the compass leg 4.
  • Fig. 4A is a perspective view
  • Fig. 4B is a front view
  • Fig. 4C is an enlarged view of the compass leg in the area of the compass head.
  • the compass leg 4 has a receptacle 11 for a needle, a pen, a pencil lead or the like.
  • the compass leg 4 has a toothed segment 12 which cooperates with a corresponding toothed segment of the other circular leg 3, so that the toothed segments on the opening or closing of the compass roll on each other.
  • the movement of the compass legs 3, 4 is synchronized, since an adjustment of a compass leg causes a corresponding synchronous movement of the other compass leg.
  • the circular leg 4 has on one side a groove 13 along which the slider is movable.
  • FIGS. 5A to 5H show different views of the slider 6.
  • the slider 6 has an eyelet 14, which is formed as a slot and through which the cap screw 7 is guided.
  • the eyelet 14 prevents the release of the slider 6 from the compass.
  • Fig. 5F it can be seen that the slider 6 has a substantially U-shaped cross section, the lateral portions 15, 16 extend approximately perpendicularly from a central portion 17.
  • the lateral sections 15, 16 are guided on opposite surfaces of the compass leg 4. Trained as a groove 13 leadership of the compass leg 4 extends in the longitudinal direction.
  • the slider 6 has on its inside a projection 18 which is guided in the groove 13.
  • the compass legs 3, 4 can be moved.
  • the projection 19 of the slider 6 engages in the recess 10 of the compass head 2 and blocks movement of the compass legs 3, 4.
  • the locking is achieved by positive locking.
  • FIGs 6A to 6F show a slider according to a second embodiment of a compass.
  • the slider 20 has a substantially U-shaped cross-section in accordance with the first embodiment, and has lateral portions 15, 16 and an eyelet 14.
  • the slider 20 on its outer side as a wedge surface 21 formed Locking element which is in the assembled state between compass legs and circle head and cooperates with a counter-surface designed as arranged on the compass leg locking element.
  • the slider 20 is slid toward the compass head, the slider 20 is over its wedge surface 21 is a force on the compass legs and the compass head and tries to press them apart.
  • compass head and compass legs are connected to each other via the cap screw, only the static friction between compass legs, slide and compass head increases, whereby a clamping and locking is achieved.
  • FIGS. 7 to 10 show a third exemplary embodiment of the invention, in which the locking element having a wedge surface is guided on an adjusting spindle.
  • Fig. 7A is a front view of a circle
  • Fig. 7B is a view of the circle shown in Fig. 7A cut along the line VII-VII.
  • Fig. 8A is a view similar to Fig. 7A
  • Fig. 8B is a sectional view taken along the line VIII-VIII in Fig. 8A
  • Fig. 8C is an enlarged section of Fig. 8B in the area of the compass head.
  • a slider 22, which has a locking element designed as a wedge surface 28, has a threaded bore 23, through which an adjusting spindle 24 is guided.
  • An adjusting 25 is rotatably connected to the adjusting spindle 24.
  • the adjusting spindle 24 and the slide 22 are arranged in a recess 26 of the circular leg 27.
  • At its front, directed to the compass head side of the slider 22 has the wedge-shaped projection 28 which can be pushed between the compass head 2 and compass legs 27 to achieve a lock.
  • Fig. 8E the compass is shown in the unlocked state.
  • the slider 22 is located approximately in the middle of the adjusting spindle 24, the wedge-shaped projection 28 of the slider 22 is located outside the recess formed between the compass head 2 and the compass leg 27.
  • 8C and 8D show the compass in the locked state, the wedge-shaped projection 28 has been moved along the guide and is located within the compass head 2 and clamped with the compass leg 27th
  • FIGS. 9A to 9C are perspective views of the slider 22 with its wedge-shaped projection 28.
  • FIGS. 10A to 10C show the compass leg 27, which has a recess 29 for the slide 22.
  • Figs. 11A to 11D show another embodiment of a compass 36. Similar to the previous embodiment, the compass 36 has a slider 30 which is movable along a guide by means of an adjusting spindle 31.
  • the circular head facing surface 32 of the slider 30 is adapted to the shape of an opposite clamping surface 33 of the compass head.
  • the clamping surface 33 is arranged concentrically with respect to the axis of rotation 34 of the circular leg 35.
  • Fig. 11 D the slider 30 is shown in the unlocked position, by rotating the adjusting spindle 31, the slider 30 can be moved to the compass head until it is in the position shown in Fig. 11 E.
  • the surface 32 and the clamping surface 33 are flat against each other, whereby the desired locking of the compass arm 35 is achieved relative to the compass head 2.
  • Fig. 12 shows the slider 30 in a perspective view.

Landscapes

  • Clamps And Clips (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

L'invention concerne un compas, comprenant une tête de compas et deux branches de compas reliées articulées entre elles, et un dispositif d'arrêt qui comprend un curseur mobile (6, 20, 22, 30) qui peut être déplacé entre une première position, dans laquelle un déplacement des branches (3, 4, 27, 35) du compas est possible, et une seconde position dans laquelle les branches (3, 4, 27, 35) sont bloquées; le curseur (6, 20, 22, 30) est disposé sur l'une des branches (4, 27, 35) du compas et peut se déplacer le long d'un moyen de guidage.
PCT/DE2009/001423 2008-10-22 2009-10-13 Compas WO2010045920A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09771268.1A EP2337691B1 (fr) 2008-10-22 2009-10-13 Compas
CN200980142101.XA CN102196921B (zh) 2008-10-22 2009-10-13 圆规

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810052648 DE102008052648B3 (de) 2008-10-22 2008-10-22 Zirkel
DE102008052648.7 2008-10-22

Publications (1)

Publication Number Publication Date
WO2010045920A1 true WO2010045920A1 (fr) 2010-04-29

Family

ID=41665367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/001423 WO2010045920A1 (fr) 2008-10-22 2009-10-13 Compas

Country Status (4)

Country Link
EP (1) EP2337691B1 (fr)
CN (1) CN102196921B (fr)
DE (1) DE102008052648B3 (fr)
WO (1) WO2010045920A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE331973C (de) 1921-01-17 Spezial Werkzeugfabrik Calw G Feststellvorrichtung fuer das Zirkelgelenk
US1502277A (en) * 1923-06-29 1924-07-22 Speiden Theodore Universal circular arc template
US1502227A (en) 1920-06-28 1924-07-22 Firm Luftschiffbau Zeppelin Gm Panelwork for light structures
GB589174A (en) * 1945-03-29 1947-06-12 William Arthur Burkinshaw Improvements in or relating to beam compasses
FR2106709A5 (fr) * 1970-09-22 1972-05-05 Debeaux Pierre
DE7244964U (de) 1973-03-22 Seelig M Kg Zirkelkopf
DE2246321A1 (de) 1972-09-21 1974-03-28 Guenther Partes Vorrichtung zum schnell- und feineinstellen der schenkel eines zirkels, die im zirkelkopf schwenkbar gelagert sind
DE2733978A1 (de) 1976-11-19 1978-05-24 Helix International Ltd Zeicheninstrument, insbesondere reisszirkel oder stech- bzw. greifzirkel
DE3836682C1 (en) 1988-10-28 1989-12-14 J. S. Staedtler Gmbh & Co, 8500 Nuernberg, De Compass
EP1609621A1 (fr) 2004-06-21 2005-12-28 Maped Compas de dessin doté de moyens de verrouillage de l'écartement de ses branches

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683505A (en) * 1970-10-23 1972-08-15 Arnold R Graef Circle maker apparatus
CN2744530Y (zh) * 2004-11-26 2005-12-07 郑琦 可固定式圆规
CN2918092Y (zh) * 2006-05-11 2007-07-04 蒋天陆 新型作图圆规
CN201077282Y (zh) * 2007-06-20 2008-06-25 代剑豪 带量尺圆规

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE331973C (de) 1921-01-17 Spezial Werkzeugfabrik Calw G Feststellvorrichtung fuer das Zirkelgelenk
DE7244964U (de) 1973-03-22 Seelig M Kg Zirkelkopf
US1502227A (en) 1920-06-28 1924-07-22 Firm Luftschiffbau Zeppelin Gm Panelwork for light structures
US1502277A (en) * 1923-06-29 1924-07-22 Speiden Theodore Universal circular arc template
GB589174A (en) * 1945-03-29 1947-06-12 William Arthur Burkinshaw Improvements in or relating to beam compasses
FR2106709A5 (fr) * 1970-09-22 1972-05-05 Debeaux Pierre
DE2246321A1 (de) 1972-09-21 1974-03-28 Guenther Partes Vorrichtung zum schnell- und feineinstellen der schenkel eines zirkels, die im zirkelkopf schwenkbar gelagert sind
DE2733978A1 (de) 1976-11-19 1978-05-24 Helix International Ltd Zeicheninstrument, insbesondere reisszirkel oder stech- bzw. greifzirkel
DE3836682C1 (en) 1988-10-28 1989-12-14 J. S. Staedtler Gmbh & Co, 8500 Nuernberg, De Compass
EP1609621A1 (fr) 2004-06-21 2005-12-28 Maped Compas de dessin doté de moyens de verrouillage de l'écartement de ses branches

Also Published As

Publication number Publication date
EP2337691A1 (fr) 2011-06-29
CN102196921A (zh) 2011-09-21
EP2337691B1 (fr) 2014-12-17
DE102008052648B3 (de) 2010-07-08
CN102196921B (zh) 2014-06-25

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