DE152356C - - Google Patents
Info
- Publication number
- DE152356C DE152356C DENDAT152356D DE152356DA DE152356C DE 152356 C DE152356 C DE 152356C DE NDAT152356 D DENDAT152356 D DE NDAT152356D DE 152356D A DE152356D A DE 152356DA DE 152356 C DE152356 C DE 152356C
- Authority
- DE
- Germany
- Prior art keywords
- slot
- slide
- closure
- cassette
- pulled out
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/26—Holders for containing light sensitive material and adapted to be inserted within the camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Gegenstand der vorliegenden Erfindung ist eine Vorrichtung zum lichtdichten Verschließen des Schieberschlitzes von solchen Kassetten, bei denen der Schieber für die Belichtung vollständig aus der Kassette herausgezogen wird.The present invention relates to a device for light-tight closure the slide slot of those cassettes where the slide is used for exposure pulled out completely from the cassette.
Bisher war es üblich, den Verschluß entweder nur durch im Schlitz angebrachte Streifen von Plüsch o. dgl. herzustellen oder durch im Innern angeordnete federnde Schieber zu bewerkstelligen. Bekanntlich wird der Verschluß durch Plüschstreifen schon nach kurzem Gebrauch undicht, Und der Verschluß durch federnde Schieber ist deshalb unsicher, weil diese wegen ihrer Lage im Innern des Kassettenrahmens schwer zu kontrollieren sind.So far it has been customary for the lock to be fitted either only through the slot To produce strips of plush or the like or by resilient slides arranged inside to accomplish. As is known, the closure is already afterwards by plush strips leaks for a short period of time, and the spring-loaded slide is therefore unsafe, because they are difficult to control because of their location inside the cassette frame are.
Diese Nachteile sollen nach vorliegender Erfindung dadurch beseitigt werden, daß ein besonderer Verschluß auf der Außenseite angebracht wird.These disadvantages are to be eliminated according to the present invention in that a special closure is attached on the outside.
Auf der Zeichnung ist ein Teil einerOn the drawing is part of a
Doppelkassette dargestellt, aus welcher der eine der beiden Kassettenschieber b herausgezogen ist. Der lichtdichte Abschluß des Schieberschlitzes h erfolgt durch eine Drehplatte e, die am Hinterrahmen α der Kamera um c drehbar angebracht ist. In dem Schieberschlitz sind in bekannter Weise Samtstreifen d befestigt, welche nach dem Herausziehen des Schiebers einen vorläufigen Abschluß des Schlitzes bewirken. Der eigentliche Verschluß besteht aus der Drehklappe e, welche infolge einer geeigneten Federanordnung bestrebt ist, stets den Schieberschlitz h abzudecken. Soll der Schieber wieder in den Schlitz h eingeführt werden, so wird die Drehplatte mit Hilfe eines Rades oder Griffes hochgeklappt und nach Hineinschieben des Schiebers fallen gelassen.Double cassette shown, from which one of the two cassette slides b is pulled out. The light-tight closure of the slider slot h is carried out by a rotary plate e, which is attached to the rear frame α of the camera so that it can rotate about c. In the slider slot, velvet strips d are attached in a known manner, which after pulling out the slider cause a temporary closure of the slot. The actual closure consists of the rotary flap e, which, as a result of a suitable spring arrangement, strives to always cover the slide slot h. If the slide is to be reinserted into the slot h , the turntable is folded up with the aid of a wheel or handle and dropped after the slide has been pushed in.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE152356C true DE152356C (en) |
Family
ID=419093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT152356D Active DE152356C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE152356C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1075423B (en) * | 1960-02-11 | Zeiss Ikon Aktiengesellschaft, Stuttgart | Roll film camera with removable back wall designed as an exchangeable cassette | |
| US5670037A (en) * | 1993-11-05 | 1997-09-23 | China Petro-Chemical Corporation | Process for producing light olefins by catalytic conversion of hydrocarbons |
| US6211104B1 (en) | 1997-10-15 | 2001-04-03 | China Petrochemical Corporation | Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation thereof |
| US7267759B2 (en) | 2003-02-28 | 2007-09-11 | Exxonmobil Research And Engineering Company | Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation |
| US7425258B2 (en) | 2003-02-28 | 2008-09-16 | Exxonmobil Research And Engineering Company | C6 recycle for propylene generation in a fluid catalytic cracking unit |
| US10894248B2 (en) | 2018-09-13 | 2021-01-19 | Indian Oil Corporation Limited | Catalyst composition for enhancing yield of olefins in fluid catalytic cracking process (FCC) |
| US11066606B2 (en) | 2019-11-12 | 2021-07-20 | Saudi Arabian Oil Company | Systems and methods for catalytic upgrading of vacuum residue to distillate fractions and olefins with steam |
| US11066605B2 (en) | 2019-11-12 | 2021-07-20 | Saudi Arabian Oil Company | Systems and methods for catalytic upgrading of vacuum residue to distillate fractions and olefins |
-
0
- DE DENDAT152356D patent/DE152356C/de active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1075423B (en) * | 1960-02-11 | Zeiss Ikon Aktiengesellschaft, Stuttgart | Roll film camera with removable back wall designed as an exchangeable cassette | |
| US5670037A (en) * | 1993-11-05 | 1997-09-23 | China Petro-Chemical Corporation | Process for producing light olefins by catalytic conversion of hydrocarbons |
| US6211104B1 (en) | 1997-10-15 | 2001-04-03 | China Petrochemical Corporation | Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation thereof |
| US7267759B2 (en) | 2003-02-28 | 2007-09-11 | Exxonmobil Research And Engineering Company | Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation |
| US7270739B2 (en) | 2003-02-28 | 2007-09-18 | Exxonmobil Research And Engineering Company | Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation |
| US7425258B2 (en) | 2003-02-28 | 2008-09-16 | Exxonmobil Research And Engineering Company | C6 recycle for propylene generation in a fluid catalytic cracking unit |
| US10894248B2 (en) | 2018-09-13 | 2021-01-19 | Indian Oil Corporation Limited | Catalyst composition for enhancing yield of olefins in fluid catalytic cracking process (FCC) |
| US11066606B2 (en) | 2019-11-12 | 2021-07-20 | Saudi Arabian Oil Company | Systems and methods for catalytic upgrading of vacuum residue to distillate fractions and olefins with steam |
| US11066605B2 (en) | 2019-11-12 | 2021-07-20 | Saudi Arabian Oil Company | Systems and methods for catalytic upgrading of vacuum residue to distillate fractions and olefins |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE152356C (en) | ||
| DE528942C (en) | Roll film camera for perforated films | |
| DE921665C (en) | Photographic camera with lens shutter and interchangeable lenses | |
| DE484873C (en) | Device for blocking the transport of roll film cassettes | |
| DE727255C (en) | Roll film switching device | |
| DE580611C (en) | Photographic shutter | |
| DE508622C (en) | Photographic shutter with front mechanism | |
| DE658643C (en) | Photographic camera with built-in light filter | |
| DE471967C (en) | Automatic lens shutter | |
| DE524307C (en) | Door lock with combination dishes | |
| DE1964230B2 (en) | PHOTOGRAPHIC CAMERA | |
| DE459099C (en) | Photographic barrel shutter, preferably for oscilloscopes | |
| DE387108C (en) | Recording cinema for double cassettes | |
| DE276459C (en) | ||
| DE702311C (en) | Motion picture recording device | |
| DE679416C (en) | Cinema equipment, especially cine camera | |
| DE191170C (en) | ||
| DE271557C (en) | ||
| DE531437C (en) | Lock for cash registers and accounting machines | |
| DE127839C (en) | ||
| AT42244B (en) | Cash register with writing strips. | |
| DE321961C (en) | Liquid meter with device for drawing off certain amounts of liquid | |
| DE1107503B (en) | Film switch counter for photographic cameras | |
| DE368620C (en) | Recording cinematograph | |
| DE250942C (en) |