CH130916A

CH130916A - Reel for cinematographic projector.

Info

Publication number: CH130916A
Authority: CH
Inventors: Jacques Bogopolsky
Original assignee: Jacques Bogopolsky
Priority date: 1928-02-18
Filing date: 1928-02-18
Publication date: 1929-01-15

Description

  

  Bobine pour projecteur     cinématographique.            Ir'objet    ide la présente invention est une  bobine démontable pour projecteur cinémato  graphique,     caractérisée    par le fait que son  noyau est en deux     parties    pouvant se visser       l'une    dans l'autre, des moyens .étant prévus  pour     permettre    le     réglage,de        ,l'écartement    des  joues, afin de pouvoir employer des films de  largeur différente.  



  Le dessin .annexé donne, .à titre d'exem  ple, une     foie    d'exécution de la présente in  vention.  



  Les     fig.    1 et 2 représentent les vues en  plan et .en coupe de la bobine.  



  Elle se compose -de deux joues 1 et 2.  possédant chacune un noyau 15 et 3, munis  d'un pas de vis et pouvant se visser l'un dans  l'autre. Une bague amovible 6 règle l'écarte  ment des joues et     @ce    dernier peut être réglé  en remplaçant cette bague par     une    autre plus  ou moins haute;     .cette    bague peut servir à       l'accrochage    du     film.     



  La joue 1     comporte    en outre une ouver  ture 9 et une pièce 7, pivotant en 8 et se ter-    minant par un bec 11, s'accrochant dans les  dentelures 10, garnissant l'un des bords de       l'ouverture    9. En plus, .la pièce 7 porte un  bec 14, plongeant dans l'ouverture 9 et ser  vant .à l'immobilisation des ,spires du film,  le bec 11     biloquant    le levier 7. Un index 12  s'arrête en .face d'une échelle  &  chiffres<B>13</B>  et     détermine    le métrage du film d'après son  diamètre.

   Le     noyau    3 reçoit une autre pièce  4, également .à pas de vis, laquelle étant  creuse, peut contenir une rondelle 5 en cam  phre ou toute autre substance     similaire,     agissant par ses émanations .sur le film pour  mieux .le conserver.



  Reel for cinematographic projector. Ir'objet ide the present invention is a removable reel for cinematographic projector, characterized in that its core is in two parts which can be screwed into one another, means being provided to allow the adjustment of, the spacing of the cheeks, in order to be able to use films of different width.



  The appended drawing gives, by way of example, an embodiment of the present invention.



  Figs. 1 and 2 show the plan and sectional views of the coil.



  It consists of two cheeks 1 and 2. each having a core 15 and 3, provided with a screw thread and can be screwed into one another. A removable ring 6 adjusts the distance between the cheeks and this latter can be adjusted by replacing this ring with another more or less high; .this ring can be used to hang the film.



  The cheek 1 further comprises an opening 9 and a part 7, pivoting at 8 and ending in a spout 11, hooking into the indentations 10, lining one of the edges of the opening 9. In addition , .the piece 7 carries a beak 14, plunging into the opening 9 and serving .à the immobilization of the turns of the film, the beak 11 biloquant the lever 7. An index 12 stops in front of a scale & numbers <B> 13 </B> and determines the footage of the film based on its diameter.

   The core 3 receives another piece 4, also .with screw thread, which being hollow, can contain a washer 5 of camphor or any other similar substance, acting by its emanations .on the film to better preserve it.

Claims

CLAIM Removable reel for a film projector, characterized by the fact that its core is in two parts which can be screwed into one another, means being provided to allow adjustment of the distance between the cheeks, in order to be able to use films of different width.

SUB-REVtNDIOATIONS 1 Coil according to claim, charac terized in that these means consist of members of idifferent dimensions which can be threaded onto the core to allow the adjustment of the space between the cheeks of said reel, said .organisms for being able to be used for hanging the film.

2 Reel according to claim, characterized by the fact that it has a housing for receiving a substance, acting by its emanations on the film, in order to facilitate its conservation. 3 Coil according to claim and. sub-claim 2, characterized in that said housing is accessible and is formed by a core.

4 Reel according to claim, characterized in that eRe comprises, on at least one of its cheeks an opening, provided: with marks, allowing to know the metering of the film contained, this footage being determined by the .diameter of the film roll. 5 Reel according to claim, characterized in that it includes a device allowing ide maintain the turns of the film and prevent its accidental unwinding.

6 Coil according to. claim and subclaims 4 and 5, characterized in that the device, preventing the unrolling of the film, is combined with that indicating the footage.