Automatic typefont loader

Details Automatic typefont loader Automatic typefont loader

1979-11-28

1981-09-15

Wright, Jr., Ernest T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Plural type-set-assemblages selectively movable from a...

4001443, 400175, B41J 132

Patent

active

042894123

ABSTRACT:
An automatic typefont loader is sequenced to change the printwheel typefont of a printer. An elongated rack supports plural picker holders along its length and is normally located beneath the platen of the printer. Typefonts to be exchanged are held by the picker holders. During an exchanging sequence, the typefont carrier which is positioned along the platen to effect printing at discrete printing positions is positioned to a discrete printing position adjacent an empty picker holder for a typefont unloading operation. The elongated rack is then elevated so that the empty picker holder contacts the typefont. The typefont is removed from its carrier by moving the typefont carrier perpendicular to its normal motion. The picker holder rack is then withdrawn and the now empty typefont carrier is positioned to a second discrete printing position adjacent a selected typefont located on a picker holder. The picker holder rack is elevated and the typefont carrier moves toward the selected picker holder to retrieve a typefont. The operation is completed with the withdrawal of the rack to its normal position beneath the platen.

REFERENCES:
patent: 3645372 (1972-02-01), Noell et al.
patent: 3892303 (1975-07-01), Willcox
patent: 4026403 (1977-05-01), Inose et al.
IBM Technical Disclosure Bulletin, "Multiple Print Wheel Font Changing Apparatus", Hunt, vol. 22, No. 10, Mar. 1980, pp. 4349-4350.

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