DE373421C - Device for switching films provided with marginal incisions - Google Patents

Device for switching films provided with marginal incisions

Info

Publication number
DE373421C
DE373421C DEH91015D DEH0091015D DE373421C DE 373421 C DE373421 C DE 373421C DE H91015 D DEH91015 D DE H91015D DE H0091015 D DEH0091015 D DE H0091015D DE 373421 C DE373421 C DE 373421C
Authority
DE
Germany
Prior art keywords
incisions
films provided
switching
switching films
strip
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
DEH91015D
Other languages
German (de)
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
Publication date
Priority to DEH91015D priority Critical patent/DE373421C/en
Application granted granted Critical
Publication of DE373421C publication Critical patent/DE373421C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03DAPPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D15/00Apparatus for treating processed material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)

Description

Vorrichtunn zum Schalten von mit Randeinschnitten versehenen Filmen. Die bisher gebräuchlichen Kinobildstreifen sind mit seitlichen Löchern versehen, in welche die entsprechenden Zacken der Führungstrommeln, auf denen die Streifen laufen, eingreifen, so daß die Streifen der Drehung der Rolle folgen müssen und die Fortbewegung der Streifen sowohl für die Aufnahme wie für die `'Niedergabe gesichert wird- Diese Anordnung hat jedoch mannigfaltige Nachteile, unter anderen den, daß die Bildstreifen nach verhältnismäßig kurzer Zeit an den durchlöcherten Stellen einreißen, worauf sich der Riß allmählich immer mehr vergrößert und zur Zerreißung des Streifens führt. Außerdem verringern die seitlichen Perforationslöcher die zur Belichtung verfügbare Fläche. Man hat ferner schon vorgeschlagen, Einschnitte in den Filmkanten anzubringen und den Film durch von außen in diese eingreifende Glieder zu schalten.Device for switching films provided with incisions. The previously common cinema picture strips are provided with side holes, in which the corresponding prongs of the guide drums on which the strips run, intervene so that the strips must follow the rotation of the roller and the movement of the strips secured both for the recording and for the '' laying down This arrangement, however, has a number of disadvantages, including the fact that the image strips at the perforated areas after a relatively short time tear, whereupon the crack gradually enlarges and tears of the strip leads. In addition, the side perforation holes reduce the Exposure available area. It has also been suggested to make cuts in to attach the film edges and the film by externally engaging members to switch.

Die Erfindung verwendet Filme mit solchen Einschnitten, und zwar sollen die Filmränder nach Schlangenlinien oder ähnlich verlaufenden Kurven verschnitten sein. Die drehbare Führungsrolle erhält gemäß der Erfindung an beiden Seiten einen den Filmrändern genau entsprechenden und 1(2 mm erhöhten Rand, so daß der Streifen in der Vertiefung der Oberfläche der Rolle fest eingebettet liegt. In dieser Vertiefung wird er durch zweckmäßig angebrachte Druckrollen festgehalten. Werden nun die Führungsrollen gedreht, so muß der Streifen, der aus der Vertiefung nicht herausspringen kann, mitfolgen. Der erhöhte Rand kann auch verstellbar angeordnet sein.The invention uses films with such incisions, specifically intended the edges of the film cut according to serpentine lines or similar curves be. According to the invention, the rotatable guide roller receives one on both sides corresponding to the film edges and 1 (2 mm raised edge so that the strip is firmly embedded in the recess of the surface of the roller. In this recess it is held in place by appropriately installed pressure rollers. Are now the leadership roles rotated, the strip that cannot jump out of the recess must follow. The raised edge can also be arranged to be adjustable.

In der beiliegenden Zeichnung ist a der Bildstreifen, b die drehbare Führungsrolle, Abb. 2 e-e der erhöhte Rand der letzteren: d ist die Druckvorrichtung, die ein Ausspringen des Streifens aus der Vertiefung der Rolle verhindert. Abb.3 zeigt den in der Vertiefung laufenden Bildstreifen.In the accompanying drawing, a is the picture strip, b the rotating one Guide roller, fig. 2 e-e the raised edge of the latter: d is the printing device, which prevents the strip from jumping out of the recess of the roller. Fig 3 shows the image strip running in the depression.

Claims (2)

PATENT-ANsPRTJ cHE: i. Vorrichtung zum Schalten von mit Randeinschnitten versehenen Filmen, dadurch gekennzeichnet, daß die Schaltrollen mit Randwulsten versehen sind, deren einander zugekehrte Seiten in die Randeinschnitte der Filme passende Vorsprünge tragen. PATENT APPLICATION: i. Device for switching with edge incisions provided films, characterized in that the indexing rollers with edge beads are provided, their facing sides in the incisions of the films wear suitable protrusions. 2. Vorrichtung nach Anspruch i, dadurch gekennzeichnet, daß die Randwulste gegenüber dem Rollenkörper verstellbar sind.2. Device according to claim i, characterized in that that the edge beads are adjustable relative to the roller body.
DEH91015D Device for switching films provided with marginal incisions Expired DE373421C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEH91015D DE373421C (en) Device for switching films provided with marginal incisions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH91015D DE373421C (en) Device for switching films provided with marginal incisions

Publications (1)

Publication Number Publication Date
DE373421C true DE373421C (en) 1923-04-12

Family

ID=7166047

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH91015D Expired DE373421C (en) Device for switching films provided with marginal incisions

Country Status (1)

Country Link
DE (1) DE373421C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008015B (en) * 1955-01-17 1957-05-09 Acec Mechanism for driving the sound carrier for sound recording and playback devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008015B (en) * 1955-01-17 1957-05-09 Acec Mechanism for driving the sound carrier for sound recording and playback devices

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