Writing instrument having a movable protective sleeve
US9539848B2 · kind B2 · utility
11Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | May 8, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K5/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A writing instrument that includes a barrel extending along a longitudinal axis (A) and a tip mounted at the front of the barrel, further including a protective sleeve for the tip, the sleeve being mounted coaxially on the barrel and movable relative to the barrel between a protective position where it covers the tip and a retracted position where it exposes the tip to allow writing. The sleeve includes an inner wall which includes a helical cam engaging with a guide element formed on the barrel so that the sleeve is movable in translation combined with rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.