JPS5564227A - Film feeder of projector - Google Patents
Film feeder of projectorInfo
- Publication number
- JPS5564227A JPS5564227A JP13745178A JP13745178A JPS5564227A JP S5564227 A JPS5564227 A JP S5564227A JP 13745178 A JP13745178 A JP 13745178A JP 13745178 A JP13745178 A JP 13745178A JP S5564227 A JPS5564227 A JP S5564227A
- Authority
- JP
- Japan
- Prior art keywords
- eccentric pin
- claw
- spring
- cam
- cam follower
- 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.)
- Pending
Links
Landscapes
- Projection Apparatus (AREA)
Abstract
PURPOSE: To prevent the production of anomalous noise and vibrations along with operation of a claw by using a compression spring for the spring for letting the cam follower of the calw follow up a vertical cam and disposing the same between the cam follower and eccentric pin.
CONSTITUTION: The escapement claw 6 of film is so pivotally supported to a claw holder 19 by an eccentric pin 18 as to make rectangular motion for the intermittent feeding of the film and the cam follower 210 fixed to the claw 6 is held pressed to a vertical cam 211 and horizontal cam 212 by means of springs 13, 33. A compression spring 13 is provided between the cam follower 210 and eccentric pin 18, hence the load exerted to the eccentric pin at the time of escaping the film is applied always upon the top of the eccentric pin 18 and therefore anomalous noise and vibrations may be prevented. In addition, a tube 42 made of synthetic resin is put on the spring 13, by which the production of anomalous sound owing to the natural vibrations of the spring 13 may be prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13745178A JPS5564227A (en) | 1978-11-08 | 1978-11-08 | Film feeder of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13745178A JPS5564227A (en) | 1978-11-08 | 1978-11-08 | Film feeder of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5564227A true JPS5564227A (en) | 1980-05-14 |
Family
ID=15198908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13745178A Pending JPS5564227A (en) | 1978-11-08 | 1978-11-08 | Film feeder of projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5564227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10683924B1 (en) | 2019-07-12 | 2020-06-16 | Cbn Nano Technologies Inc. | Buffered cam assembly |
-
1978
- 1978-11-08 JP JP13745178A patent/JPS5564227A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10683924B1 (en) | 2019-07-12 | 2020-06-16 | Cbn Nano Technologies Inc. | Buffered cam assembly |
| US11391355B2 (en) | 2019-07-12 | 2022-07-19 | Cbn Nano Technologies Inc. | Buffered cam assembly |
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