Information carrier

Details Information carrier Information carrier

1978-07-07

1980-09-02

Pitrelli, John F.

Card, picture, or sign exhibiting

Signs

Interchangeable

40611, G09F 710

Patent

active

042199522

ABSTRACT:
An information carrier is disclosed which comprises a base plate which supports a plurality of blocks. The base plate includes at least one guide rail. The blocks include an information bearing face portion and a guide strip. The guide strip is adapted to be slidably and matingly received by the guide rail, thereby mounting the blocks on the base plate. A first groove is located in the base portion adjacent one lateral edge and extending perpendicular to the guide rail. A second groove is located in at least one of the blocks. A locking element is provided which is adapted for insertion through the first and second grooves for preventing lateral movement of the blocks in at least one direction.

REFERENCES:
patent: 1258146 (1918-03-01), Russell
patent: 2541460 (1951-02-01), Bugh
patent: 2682125 (1954-06-01), Coffield
patent: 3943646 (1976-03-01), Branham

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