Title:
FILM COUNTER
Document Type and Number:
Japanese Patent JP3405851
Kind Code:
B2
Abstract:
PURPOSE: To prevent the occurrence of a deviation in an index with a simple constitution, as a film counter for a compact camera.
CONSTITUTION: The film counter is provided with a restraining lever 46 for restraining/holding a sprocket 31 which is provided with a pawl 32 capable of engaging with the perforation 44a of a film 43 having one or two perforations 44a and 44b in a frame and turned by the engagement of the pawl 32 with the perforation 44a, to detect the winding of a frame of the film 43, in a fixed position from the initial stage of the feeding of the film 43 to a one-frame wound state where photographing can be executed and a no-load winding completion detecting switch 55 constituted in such a manner that an armature 56 is abutted on a recessed part 54 in the outer periphery of a frame disk 37, until the film 43 becomes the wound st,ate of a frame and rides on the outer periphery of the frame disk 37 from the recessed part, 54 by turning corresponding to a frame of the film disk 37 by the completion of no-load winding.
Inventors:
Masao Akiyama
Application Number:
JP9091895A
Publication Date:
May 12, 2003
Filing Date:
April 17, 1995
Export Citation:
Assignee:
Nitto Optical Co., Ltd.
International Classes:
G03B1/60; G03B17/00; G03B17/36; (IPC1-7): G03B17/36
Domestic Patent References:
| JP5341372A | ||||
| JP7319017A | ||||
| JP53166433U | ||||
| JP55152526U |
Attorney, Agent or Firm:
Hiroshi Arafune