Title:
MOTOR-DRIVEN FILM WINDING DEVICE
Document Type and Number:
Japanese Patent JP3110507
Kind Code:
B2
Abstract:
PURPOSE: To realize removing work from a spool by the tension of a film, without braking the film or teeth of a gear, in a motor-driven film winding device for a spool driving system.
CONSTITUTION: A sliding clutch mechanism composed of a fixed barrel 5 fixed on a motor 1, a first internal gear 8 engaging with planetary gears 9 and 10 as stepped gears having a pinion gear 4 as the sun and different number of tooth, and a roughly circular elastic member 7 connecting the fixed barrel 5 with the first internal gear via frictional force based on elastic force, etc., is disposed in a motor driving force transmission constitution. The spool 13 incorporates the motor driving force transmission constitution including the sliding clutch mechanism, and a second internal gear 14 engaging with the planetary gears 9 and 10 is formed on the inner periphery of the spool 13.
Inventors:
Yoshi Tsunemi No
Hajime Mitsui
Hajime Mitsui
Application Number:
JP23945591A
Publication Date:
November 20, 2000
Filing Date:
September 19, 1991
Export Citation:
Assignee:
West Electric Co., Ltd.
International Classes:
G03B17/00; G03B1/12; G03B17/42; (IPC1-7): G03B17/00
Domestic Patent References:
| JP2106730A | ||||
| JP222635A | ||||
| JP4319929A | ||||
| JP5695222A | ||||
| JP256531A | ||||
| JP2282235A | ||||
| JP1259337A | ||||
| JP6189830U | ||||
| JP58118427U |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)