Drawer for catalogue card

Supports: cabinet structure – With card or sheet retainers – Spring urged

Patent

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Details

3123485, 220535, 402 61, B42F 1702

Patent

active

052578593

ABSTRACT:
An apparatus for keeping a stack of catalogue cards in neat order to be used, for example, in a library. If necessary, a librarian can replace a damaged catalogue card with a new one by just pressing a button at the bottom of the drawer to enable a compression spring to eject the metal rod passing through a stack of catalogue cards. Consequently, the librarian can freely rearrange the catalogue cards.

REFERENCES:
patent: 3370591 (1968-02-01), Coe
patent: 3405716 (1968-10-01), Cafiero et al.
patent: 3495731 (1970-02-01), Risum et al.
patent: 3556621 (1971-01-01), Blakley
patent: 3841767 (1974-10-01), Little

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