Page-turners

Details Page-turners Page-turners

1976-04-12

1977-06-28

Pitrelli, John F.

Card, picture, or sign exhibiting

Calendars

84487, G09F 1100

Patent

active

040316440

ABSTRACT:
Apparatus enabling the pages of a book to be turned by remote control comprises a book-support with a reversible electric motor on it. An output shaft of the motor extends across the book and the motor is pivotally mounted for swinging the shaft both across and perpendicular to the book through limited angles. A friction wheel is on the shaft for rolling across the pages of the book and a radial finger adjacent the friction wheel is coupled to the shaft through a slipping clutch.

REFERENCES:
patent: 2494453 (1950-01-01), Reck
patent: 2755580 (1956-07-01), Justice
patent: 2791847 (1957-05-01), Hagman
patent: 3087268 (1963-04-01), Rice

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