Automatic writing apparatus for segmental writing elements with caps
AssigneePioneer Industrial Corporation
InventorBao-Shen Liu
Life of this patent
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Abstract
An automatic writing apparatus includes a plurality of writing elements axially positioned one by one, each of which has a tip portion at the front end and an element cap having a hole for receiving therein the tip portion of an adjacent one of the writing elements; an outer tube for receiving therein a first and a second ones of the writing elements, wherein the outer tube includes a pen-tip outlet for holding the first one of the writing elements; and an inner tube for receiving therein the others of the writing elements and propelling the second one of the writing elements toward the pen-tip outlet for replacing the first one of the writing elements.
Claims16
An automatic writing apparatus, comprising:
- a plurality of writing elements generally axially positioned one by one, each of which has a writing tip portion and an element cap having a hole for receiving therein the tip portion of an adjacent one of said each element;
- an outer tube for receiving therein first and second ones of said writing elements, wherein said outer tube includes a pen-tip outlet for receiving therein said first one of said writing elements;
- and
- an inner tube slidably received in the outer tube and receiving therein the others of said writing elements and having an end opening having a fixed radius for propelling said second one of said writing elements toward said pen-tip outlet for replacing said first one of said writing elements.
Dependencies are inferred from the claim text.