Back to results
US 2022/0184996 A1Published application
Retractive writing utensil
AssigneeZebra Co., Ltd.
InventorMasataka MIZUTORI
Life of this patent
Estimating the term…
Abstract
The diameter of the urging member can be made independent of the outer diameter of the core. 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.