Title:
FILM FEEDING DEVICE
Document Type and Number:
Japanese Patent JP3253767
Kind Code:
B2
Abstract:
PURPOSE: To provide a film feeding device which precludes bend/fold of the rotational drive shaft of a gear when an overload is applied to the drive shaft.
CONSTITUTION: A film feeding device concerned is composed of an input gear 3b to which the drive force from a motor 1a is fed, an SP worm gear 3c to forward the drive force given by the motor 1a, a rotational drive shaft 3a on which the input gear 3b and SP worm gear 3c are rigidly installed approx. concentrically, shaft supporting members 5a, 5b, 6a, 6b which support the two ends of this shaft 3a rotatably, and bend/fold preventive members 7a, 7b which are located between the input gear 3b and SP worm gear 3c and arranged so that their parts to support the shaft 3a at least have a minute space in radial direction to the shaft 3a.
Inventors:
Yoshiyuki Kitahara
Gohachi Katagiri
Gohachi Katagiri
Application Number:
JP17346193A
Publication Date:
February 04, 2002
Filing Date:
July 13, 1993
Export Citation:
Assignee:
Olympus Optical Co., Ltd.
International Classes:
G03B1/12; G03B17/00; (IPC1-7): G03B17/00; G03B1/12; G03B17/00
Domestic Patent References:
| JP5122897A | ||||
| JP63155127U |
Attorney, Agent or Firm:
Susumu Ito