Title:
BRAKING MECHANISM FOR FOCAL PLANE SHUTTER
Document Type and Number:
Japanese Patent JP3106362
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a braking mechanism for a shutter blade where the speed-up of a camera shutter, namely the speed-up of a shutter blade group is attained.
SOLUTION: A focal plane shutter is provided with a driving lever 2 to drive a shutter blade, and braking levers 5 and 6 brought into pressure contact with each other by springs 9a and 9b in the driving direction of the driving lever 2 having abutting surfaces 2b and 2c to be braked are stacked in a vertical direction, so that a braking mechanism is constituted to impart a braking force to the driving lever 2.
Inventors:
Miyoshi Tanigawa
Nobuyuki Fukui
Nobuyuki Fukui
Application Number:
JP2382399A
Publication Date:
November 06, 2000
Filing Date:
February 01, 1999
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/36; (IPC1-7): G03B9/36
Domestic Patent References:
| JP63174023A | ||||
| JP564128A | ||||
| JP58196528A | ||||
| JP5246725U | ||||
| JP6070832U | ||||
| JP62140526U | ||||
| JP63115127U | ||||
| JP4955344U |
Attorney, Agent or Firm:
Kazuko Matsuda