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US 4,392,756 AGranted
Serial printing apparatus
AssigneeGold Star Co., Ltd.
InventorHyun C. Lee
Life of this patent
Estimating the term…
Abstract
A printing apparatus comprising a printwheel with a hub and spokes extending therefrom, each of the spokes having at least two different types of character slugs thereon; a rotatable printwheel; a motor for shifting the printwheel up or down and for rotating the printwheel, so as to place a selected slug at a desired printing location; and a second motor for driving the printwheel up or down.
Claims3
A printing apparatus comprising:
- a printwheel with a hub and spokes extending therefrom, each of said spokes having at least two different types of character slugs thereon;
- first drive means attached to the printwheel for rotating said printwheel;
- shifting means attached to said first drive means for shifting said printwheel and said first drive means up or down with rotational motion to place a selected character slug at a desired printing position;
- said shifting means including:
- a latchbase having a first and a second end;
- a hinge connected to said first end of said latchbase;
- a slot positioned in said latchbase near said second end of said latchbase;
- a spring having a first and a second end, positioned in said slot, said first end of said spring being attached to one end of said slot;
- a movable springbar connected to said second end of said spring;
- and
- a crank pin positioned in said slot, and attached to said springbar, said crank pin being for driving said latchbase by sliding along said slot;
- and
- second drive means for driving said shifting means.
10 more elements
Dependencies are inferred from the claim text.