Rear-pressing anti-misoperation double-ended eyebrow pencil
US12108864B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2022 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Oct 6, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2040/208
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A rear-pressing anti-misoperation double-ended eyebrow pencil includes a nib, a front lid, a piston, an intermediate ring, a pencil body, a threaded rod, a nut, a first spring, a ratchet wheel, a ratchet seat, a ratchet rod, a shoulder sleeve, a bristle carrier, a bristle, an inner sleeve, a tail lid, and a button, where the intermediate ring is sleeved on the hollow pencil body; the threaded rod is provided with a screw thread and rotatably provided on the nut; one end of the piston abuts against a material, and the other end of the piston abuts against the threaded rod; the piston can move to an outlet under pushing of the threaded rod; an end of the ratchet wheel adjacent to the ratchet rod is provided with a first unidirectional jump tooth; and an end of the ratchet rod adjacent to the ratchet wheel is provided with a ratchet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.