EP0226214A1 - Règle à dessin autoparallèle guidée par câbles dissimulés et comportant des ensembles à poulies encastrables - Google Patents

Règle à dessin autoparallèle guidée par câbles dissimulés et comportant des ensembles à poulies encastrables Download PDF

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Publication number
EP0226214A1
EP0226214A1 EP86117602A EP86117602A EP0226214A1 EP 0226214 A1 EP0226214 A1 EP 0226214A1 EP 86117602 A EP86117602 A EP 86117602A EP 86117602 A EP86117602 A EP 86117602A EP 0226214 A1 EP0226214 A1 EP 0226214A1
Authority
EP
European Patent Office
Prior art keywords
profile
cords
roller
cord
roller cage
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.)
Withdrawn
Application number
EP86117602A
Other languages
German (de)
English (en)
Inventor
Ulrich Dipl.-Ing. Schuh
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0226214A1 publication Critical patent/EP0226214A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B43L13/046—Guides for rulers with cables

Definitions

  • the invention relates to a cord-guided tear rail with concealed cords and cord deflections which can be plugged into the tear rail profile.
  • Drawing rails have long been known, the parallel guidance of which is ensured by cords which are attached to four points of the drawing pad and which are deflected in the longitudinal direction on the drawing rail itself.
  • the concealed routing of the cords in a channel under the top of the tear rail is occasionally chosen so that the cords do not interfere with the drawing.
  • the deflection rollers of the cord deflection are either attached to the tear rail profile itself (e.g. TRUHON, US-PS 3.283.410) or in a roller cage, which in turn is attached to the tear rail profile (e.g. DE WEERDT, FR-PS 1.303.491).
  • the design of the cord deflection as an interchangeable unit which can be plugged onto the tear rail profile is also known (JUSTIS, US Pat. No. 3,251,131). It is also known to use only one roller at a time (e.g. TRUHON, see above) instead of a pair of rollers at each end of the tear rail.
  • Tear rails in which the cords are hidden under the top of the tear rail profile, are either composed of several profiles or require profile processing for the cord outlets and the roller attachment. Both make the tear rail more expensive.
  • the insertion or replacement of the cords requires considerable skill or disassembly of the reels for most tear rails with concealed cord guides.
  • the object is achieved in that the construction of the cord deflection allows the tear rail profile to be cut only to length and to avoid any further profile processing (such as milling, punching, thread cutting).
  • the cord redirector can be inserted into the profile ends up to a stop.
  • the position of the stop is selected so that the cord outlets from the tear rail area are not arranged in the profile itself, but in the part of the cord deflection lying outside the profile.
  • the cord deflector can be removed from the profile for inserting the cords into the deflection and the profile.
  • the cord deflection consists of a roller cage and a roller, the axis of which can be clipped into the roller cage.
  • the clip connection enables the reel and roller cage to be assembled without any further connection technology.
  • the tear rail profile 1 is designed as a hollow profile.
  • the two identically designed cord deflections can be inserted up to the stop 4.
  • the cord outlets 5 for the cords guided under the top of the tear rail do not lie in the profile itself, but in the part of the roller cage lying outside the profile. This eliminates the need for profile processing for the cord outlets.
  • the cords 6 and 7 are guided in two superimposed grooves 8 and 9 of the deflection roller 11. This makes it possible to arrange the cords crossing in profile in two planes parallel to the drawing base 20 and to design the intersection 10 in a contact-free and wear-free manner.
  • the small distance between the inner wall of the cage base 18 and the roller circumference 19 prevents the cords from jumping out of their respective groove even when there is no cord tension, for example when the cords are inserted.
  • the side surfaces 13 and 14 of the roller cage projecting beyond the end of the profile lie in the same plane as the side surfaces of the grip strip 15 and the vertical outside 16 of the tear rail profile.
  • the upper outside 21 of the roller cage lies in the same plane as the upper outside 23 of the tear rail profile.

Landscapes

  • Ropes Or Cables (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
EP86117602A 1985-12-17 1986-12-17 Règle à dessin autoparallèle guidée par câbles dissimulés et comportant des ensembles à poulies encastrables Withdrawn EP0226214A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3544537 1985-12-17
DE19853544537 DE3544537A1 (de) 1985-12-17 1985-12-17 Schnurgefuehrte reissschiene mit verdeckt liegenden schnueren und einsteckbarer schnurumlenkung

Publications (1)

Publication Number Publication Date
EP0226214A1 true EP0226214A1 (fr) 1987-06-24

Family

ID=6288616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117602A Withdrawn EP0226214A1 (fr) 1985-12-17 1986-12-17 Règle à dessin autoparallèle guidée par câbles dissimulés et comportant des ensembles à poulies encastrables

Country Status (2)

Country Link
EP (1) EP0226214A1 (fr)
DE (1) DE3544537A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052981A (en) * 1997-08-27 2000-04-25 Pavone; Osvaldo Extendable arm

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971850A (fr) * 1948-09-21 1951-01-22 Articulation de compas sans vis ni rivet
FR1404691A (fr) * 1964-05-15 1965-07-02 Perfectionnement aux appareils à dessiner
US3892041A (en) * 1974-03-11 1975-07-01 Teledyne Inc Drafting board straight edge assembly
BE874019A (fr) * 1979-02-08 1979-05-29 Boedt Anatole Et Vanden Driess Systeme permettant d'eviter le contact entre le papier ou l'on dessine et la regle parallele que l'on deplace par-dessus
EP0046830A1 (fr) * 1980-08-27 1982-03-10 Jean Bras Compas de précision à brisures parallèles et à barre de rigidité

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE609073A (fr) * 1960-10-12
US3251131A (en) * 1964-08-31 1966-05-17 Charles E Justis Mobile drafting apparatus with replaceable snap-in units
FR1421966A (fr) * 1965-01-18 1965-12-17 Perfectionnement aux règles orthoparallèles
US3283410A (en) * 1965-01-27 1966-11-08 John A Truhon Straight edges for drafting boards and the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971850A (fr) * 1948-09-21 1951-01-22 Articulation de compas sans vis ni rivet
FR1404691A (fr) * 1964-05-15 1965-07-02 Perfectionnement aux appareils à dessiner
US3892041A (en) * 1974-03-11 1975-07-01 Teledyne Inc Drafting board straight edge assembly
BE874019A (fr) * 1979-02-08 1979-05-29 Boedt Anatole Et Vanden Driess Systeme permettant d'eviter le contact entre le papier ou l'on dessine et la regle parallele que l'on deplace par-dessus
EP0046830A1 (fr) * 1980-08-27 1982-03-10 Jean Bras Compas de précision à brisures parallèles et à barre de rigidité

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052981A (en) * 1997-08-27 2000-04-25 Pavone; Osvaldo Extendable arm

Also Published As

Publication number Publication date
DE3544537A1 (de) 1987-09-10
DE3544537C2 (fr) 1987-12-17

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