Page-turning device

Details Page-turning device Page-turning device

1982-06-16

1984-08-07

Griffin, Donald A.

Music

Accessories

Leaf turners

G10G 700

Patent

active

044636512

ABSTRACT:
A page-turning device comprises a bi-directional drive and a page-turning unit including an arm of crescent shape having an outer convex surface engageable with the underface of the uppermost page on one side of the book center-line for turning same when the unit is driven in one direction, and an inner concave surface engageable with the uppermost page on the other side of the book center-line for turning the page when the unit is driven in the opposite direction. The unit preferably has two (or more) such arms equally spaced about the circumference of the unit. The illustrated device includes two of such page-turning units, one serving to turn the pages and the other serving to pick them up according to the drive direction. Each unit may include a helical recess for pre-loading the pages, or an arcing finger for arcing each page before being engaged by the respective arm.

REFERENCES:
patent: 1164355 (1915-12-01), Johnson et al.
patent: 3371571 (1968-03-01), Barbera

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