Indexing device

Details Indexing device Indexing device

1976-10-29

1978-09-19

Pitrelli, John F.

Card, picture, or sign exhibiting

Register, or file

Hinge mounted file item or file item support

40532, 40509, B42F 1300

Patent

active

041143019

ABSTRACT:
An indexing device consists of a base, a lid pivoted to the base, and a plurality of cards pivotally mounted between the lid and the base for selective movement with the lid. Each card has a lug at a front edge thereof, the plurality of cards being arranged such that the lugs are serially positioned at specific intervals in step-wise fashion. A like plurality of levers are pivoted to the base at corresponding specific intervals. A first end of each lever has a push-button fixed thereto for downward digital manipulation. The opposite end of each lever extends under the front edge of the cards for upward movement to select a desired number of cards to pivot upward with the opening of the lid.

REFERENCES:
patent: 2329300 (1943-09-01), Rummler
patent: 2849815 (1958-09-01), Neilsen
patent: 2960781 (1960-11-01), Olson
patent: 3073049 (1963-01-01), Levesque

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