Title:
DEVICE FOR CONTROLLING ROTATING SPEED OF DRIVE UNIT
Document Type and Number:
Japanese Patent JPS525524
Kind Code:
A
Abstract:
The invention concerns a device for adjusting the rotational speed of a drive mechanism preferably of the type used in a movie projector and provided with a drive motor having a stationary fixed stator, a rotor rotating in only one direction and connected to a friction wheel with at least one, preferably two, oppositely disposed friction discs fixed on a drive shaft for driving engagement with the friction wheel, the friction wheel being adjustable with respect to the friction discs in a radial direction to thereby adjust the rotational speed of the driving mechanism.
Inventors:
GOTSUTOFURIITO PANMAA
RUUDORUFU KUBASUNITSUKA
RUUDORUFU KUBASUNITSUKA
Application Number:
JP7538876A
Publication Date:
January 17, 1977
Filing Date:
June 25, 1976
Export Citation:
Assignee:
VOCKENHUBER KARL
HAUSER RAIMUND
HAUSER RAIMUND
International Classes:
G03B21/43; F16H61/664; G01P3/44; G05D13/62; H02K7/10; H02K7/12; (IPC1-7): B60K31/00; G01P3/00; G03B21/43