Title:
FILM WINDING-UP MECHANISM AND FILM UNIT WITH LENS
Document Type and Number:
Japanese Patent JP3778530
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable a user to reduce the load of film winding-up operation.
SOLUTION: Between a winding-up knob 10 and a rotary shaft 42 engaged with the spool 20 of a cartridge main body 18, a driven gear 51 integrally arranged with the shaft 42, an internal gear 47 whose number of teeth is larger than that of the gear 51 and a planet gear 43 coaxially revolving with the knob 10, rotating by being meshed with the gear 47 and rotating the gear 51 in a film winding-up direction are arranged. Then, the rotation of the knob 10 is accelerated and transmitted to the shaft 42 so as to reduce the manipulated variable of the knob 10.
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Inventors:
Kazuo Kamada
Application Number:
JP2142897A
Publication Date:
May 24, 2006
Filing Date:
February 04, 1997
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
G03B17/00; G03C3/00; G03B1/10; (IPC1-7): G03C3/00; G03B17/00
Domestic Patent References:
JP63051323U |
Attorney, Agent or Firm:
Kazunori Kobayashi