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US 11,535,050 B2Granted
Retractive writing utensil
AssigneeZebra Co., Ltd.
InventorMasataka Mizutori
Life of this patent
Estimating the term…
Abstract
A retractive writing utensil includes a shaft tube, a core stored in the shaft tube in such a manner as to protrude from a front end of the shaft tube when moved forward, and an urging member that is stretched and contracted in the shaft tube in a front-rear direction, wherein the urging member is located adjacent to the core radially outward in such a manner that the center of the urging member is positioned radially outside the core, and urges the core rearward.
Claims8
A retractive writing utensil, comprising:
- a shaft tube;
- a core stored in the shaft tube in such a manner as to protrude from a front end of the shaft tube when moved forward;
- and
- an urging member that is stretched and contracted in the shaft tube in a front-rear direction,
- wherein the urging member is located adjacent to the core radially outward in such a manner that a center of the urging member is positioned radially outside the core, and urges the core rearward.
2 more elements
Dependencies are inferred from the claim text.