EP0190445B1 - Tête à dessiner - Google Patents

Tête à dessiner Download PDF

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Publication number
EP0190445B1
EP0190445B1 EP85115863A EP85115863A EP0190445B1 EP 0190445 B1 EP0190445 B1 EP 0190445B1 EP 85115863 A EP85115863 A EP 85115863A EP 85115863 A EP85115863 A EP 85115863A EP 0190445 B1 EP0190445 B1 EP 0190445B1
Authority
EP
European Patent Office
Prior art keywords
square
head according
slot
drawing head
base plate
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
Application number
EP85115863A
Other languages
German (de)
English (en)
Other versions
EP0190445A1 (fr
Inventor
Berthold Schirmuly
Karl-Hermann Stühn
Norbert Müller
Ulrich Hebel
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.)
Walter Hebel GmbH and Co
Original Assignee
Walter Hebel GmbH and Co
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 Walter Hebel GmbH and Co filed Critical Walter Hebel GmbH and Co
Priority to AT85115863T priority Critical patent/ATE40864T1/de
Publication of EP0190445A1 publication Critical patent/EP0190445A1/fr
Application granted granted Critical
Publication of EP0190445B1 publication Critical patent/EP0190445B1/fr
Expired legal-status Critical Current

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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
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
    • 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
    • B43L13/08—Protractor heads
    • 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
    • B43L7/00—Straightedges
    • B43L7/002—Straightedges for drawing boards and tables
    • 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
    • B43L7/00—Straightedges
    • B43L7/027—Plural non-adjustable straightedges fixed at right angles
    • 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
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/14—Square and sliding straight edges

Definitions

  • the invention relates to a drawing head for drawing machines, drawing boards and drawing boards with a locking device fixing the drawing angle with respect to the bearing plate in various preferred angular positions.
  • DE-PS 743 725 describes a drawing head which essentially consists of two parts.
  • the lateral surface of the support pin fastened to a support plate is conical and a lower area of the pin is provided with a groove
  • the handle in its cavity is correspondingly conical and has an annular bead fitting into the annular groove on its lower edge.
  • a wart-like projection is provided on the handle part, which engages in a corresponding recess below the conical trunnion.
  • a drawing head of the type mentioned is designed according to the invention such that an elongated hole is provided in the bearing plate, in which the journal of the drawing angle is guided and that a projection arranged on the underside of the bearing plate engages in corresponding depressions of the drawing angle, whereby the direction of extension of the elongated hole indicates the projection.
  • a freewheeling position is thus created by shifting the drawing angle in relation to the support plate.
  • any desired angle can be set.
  • a firm fixation of the drawing angle in the support plate is only possible if these angles are 15 ° or a multiple of 15 °.
  • the drawing angle is firmly connected by means of its bearing pin to a pin formed on the handle.
  • the drawing head With an appropriate design of the shape of the drawing angle, it is even possible to manufacture the drawing head from only two parts, namely the support plate and the drawing angle. It is only necessary to ensure that the two parts do not fall apart during use by a suitable choice of the undercut.
  • the constriction is achieved in such a way that cutouts are provided on both sides of the elongated hole and that the clear width of the elongated hole constricting, resilient tongues is formed by the special shape of the cutouts and the elongated hole.
  • the drawing angle (1, 3) is movably connected to the support plate (8) by the handle (7).
  • An extension (6) is formed on the support plate (8) and receives a guide groove (12) on its underside.
  • This drawing head is placed on a guide rib (5) on the drawing rail (4) on which the drawing head can be moved.
  • Each leg of the drawing angle (1, 3) has two drawing edges, in the edge area of which a cm or mm scale is attached.
  • the angle scaling (2) is provided in the connecting area of the two legs, the angles 15 ° 30 ° 45 ° 60 ° and 75 ° being particularly emphasized, since these angles between the drawing angle (1, 3) and the support plate (8) can be determined.
  • the numerical values from 0 ° to 90 ° are imprinted in 15 ° increments on a second 1/4 circle so that the angle setting can be read well even when the character angle is unlocked.
  • FIG. 2 shows a section along the line II-II from FIG. 1. From this representation, the connection of the drawing angle (1, 3) with the support plate (8) can be seen.
  • a cylindrical projection (11) is formed on the drawing angle and is guided in a corresponding cutout (10) in the support plate (8) becomes.
  • the cylindrical projection (11) has a bore into which the pin (20) of the handle (7) is inserted and glued or welded.
  • this illustration shows the projection (17) protruding into an associated depression (13) of the drawing angle (1, 3), which is part of the support plate (8).
  • FIG. 4 shows how the pin (11) of the drawing angle (1, 3) is guided in the cutout (10) of the support plate (8).
  • the constriction in the elongated hole results in the pin (11) being fixed in the two end positions.
  • milled portions (14, 14 ') have been provided to the right and left of the elongated hole (10).
  • Resilient tongues (15, 15 ') were formed by means of these milled-out portions, which deflect relative to the support plate (8) when the drawing angle is shifted and thus allow the cylindrical pin (11) to pass.
  • the spring action of these tongues (15, 15 ') then leads to the fixation of the parts.
  • the pin (11) lies against the upper edge of the elongated hole (10).
  • the drawing angle can now be pivoted in any direction relative to the support plate (8).
  • the drawing angle is then moved by means of the handle (7) relative to the support plate (8), so that the projection (17) of the support plate engages in the selected recess (13) of the drawing angle.
  • the desired angle is now fixed and can no longer change.
  • a stop (21) can be provided on the drawing angle (1, 3), which abuts a corresponding projection of the support plate (8). (See Figure 3).
  • the position of the locking grooves (13) can also be seen in this figure.
  • Figure 5 shows a side view of the support plate (8) corresponding to Figure 4. From this illustration, the projection (17) can also be seen, which engages in the assembled drawing head in one of the recesses (13) of the drawing angle.

Landscapes

  • Toys (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Paper (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (10)

1. Tête à dessiner pour des appareils, à dessiner, des tables à dessin et des planches à dessin, avec un dispositif d'encliquètement fixant l'équerre à dessiner dans différentes positions angulaires préférées, par rapport à la plaque support, caractérisée en ce qu'un trou oblong (10) est prévu dans la plaque-support (8), dans lequel est guidé le tourillon-support (11) de l'équerre à dessiner (1, 3) et qu'une saillie (17) qui est disposée sur le côté inférieur de la plaque-support (8) engrène dans des cavités correspondantes (13) de l'équerre à dessiner (1, 3), la direction dans laquelle s'étend le trou oblong donnant à cette occasion l'orientation de la saillie.
2. Tête à dessiner selon la revendication 1, caractérisée en ce que l'équerre à dessiner (1, 3) est reliée rigidement à un tourillon (20) formé sur la poignée (7), au moyen de son tourillon de guidage (11).
3. Tête à dessiner selon une des revendications 1 à 2, caractérisée en ce que des fraisages (14, 14') sont prévus des deux côtés du trou oblong (10) et que des languettes (15, 15') élastiques rétrécissant le trou oblong soient formées, grâce à la forme des fraisages (14,14') et du trou oblong (10).
4. Tête à dessiner selon la revendication 3, caractérisée en ce que le mouvement de décalage de l'équerre à dessiner soit limité en deux positions finales, par le trou oblong (10), et ceci dans une position libre et dans une position verrouillée, le tourillon (11) étant à cette occasion fixé dans chaque position par les languettes élastiques (15, 15').
5. Tête à dessiner selon une des revendications 1 à 4, caractérisée en ce qu'une saillie (18) de découpage est prévue sur la plaque-support, pour faciliter le réglage de position angulaire.
6. Tête à dessiner selon la revendication 5, caractérisée en ce qu'une ouverture (9) est encore prévue supplémentairement à la saillie de découpage (18), qui donne une vue sur l'échelle de graduation dans la position libre.
7. Tête à dessiner selon une des revendications 1 à 6, caractérisée en ce qu'un prolongement recevant une rainure de guidage (12) à appliquer sur la règle à dessiner (4) est prévu sur la plaque-support (8).
8. Tête à dessiner selon une des revendications 1 à 7, caractérisée en ce qu'une butée (21) est prévue sur l'équerre à dessiner (1, 3) sans coopérer avec les cavités (13).
9. Tête à dessiner selon une des revendications 1 à 8, caractérisée en ce qu'un dispositif de dessin en hachures (16), possédant deux entailles de lecture, est prévu sur le prolongement (6) recevant la rainure de guidage (12).
10. Tête à dessiner selon une des revendications 1 à 9, caractérisée en ce que les angles, associés aux cavités (13), sont marqués de manière particulière sur l'échelle de graduation angulaire (2) en forme de secteur circulaire.
EP85115863A 1985-02-02 1985-12-12 Tête à dessiner Expired EP0190445B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85115863T ATE40864T1 (de) 1985-02-02 1985-12-12 Zeichenkopf.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3503513 1985-02-02
DE3503513A DE3503513C1 (de) 1985-02-02 1985-02-02 Zeichenkopf

Publications (2)

Publication Number Publication Date
EP0190445A1 EP0190445A1 (fr) 1986-08-13
EP0190445B1 true EP0190445B1 (fr) 1989-02-22

Family

ID=6261459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85115863A Expired EP0190445B1 (fr) 1985-02-02 1985-12-12 Tête à dessiner

Country Status (3)

Country Link
EP (1) EP0190445B1 (fr)
AT (1) ATE40864T1 (fr)
DE (2) DE3503513C1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2660230B1 (fr) * 1990-03-28 1996-01-19 Chaffurin Henri Equerre de tracage, telle qu'equerre de menuisier.
JP6176631B2 (ja) * 2014-10-03 2017-08-09 晴彦 森 角度定規

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7131288U (de) * 1971-12-16 Hebel U Zeichenkopf für Zeichenmaschinen, Reißbretter, Zeichenplatten und dgl
DE743725C (de) * 1941-08-05 1943-12-31 Adolf Luttner Zeichenkopf an Zeichenmaschinen
GB638865A (en) * 1948-02-23 1950-06-14 Dennis Arthur Hughes Improvements in and relating to draughting apparatus
DE7606364U1 (de) * 1976-03-03 1976-08-19 Walter Hebel Kg Gmbh & Co, 5242 Kirchen Zeichenhilfsgeraet, das auf einem fuehrungssteg und/oder in einer fuehrungsnut einer zeichenschiene oder zeichenunterlage geradegefuehrt wird
DE3001360A1 (de) * 1980-01-16 1981-07-23 Walter Hebel Gmbh & Co, 5242 Kirchen Zeichenkopf
DE8310017U1 (de) * 1983-04-06 1983-10-13 Marabuwerke Erwin Martz Gmbh & Co, 7146 Tamm Zeichenkopf

Also Published As

Publication number Publication date
ATE40864T1 (de) 1989-03-15
EP0190445A1 (fr) 1986-08-13
DE3568311D1 (en) 1989-03-30
DE3503513C1 (de) 1986-02-13

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