Invention Grant
- Patent Title: Handheld magnifying lens
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Application No.: US17128385Application Date: 2020-12-21
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Publication No.: US11333877B1Publication Date: 2022-05-17
- Inventor: Cheng-Wei Su
- Applicant: Hong Ann Tool Industries Co., Ltd.
- Applicant Address: TW Taichung
- Assignee: Hong Ann Tool Industries Co., Ltd.
- Current Assignee: Hong Ann Tool Industries Co., Ltd.
- Current Assignee Address: TW Taichung
- Agency: Mayer & Williams PC
- Agent Karin L. Williams; Alan D. Kamrath
- Main IPC: G02B7/02
- IPC: G02B7/02 ; G02B25/00

Abstract:
An handheld magnifying lens includes a body and a lens. The body includes a lens frame. The lens is arranged in the lens frame and has a convex curved surface and a concave curved surface opposite to the convex curved surface. A curvature radius of the convex curved surface is less than a curvature radius of the concave curved surface to avoid glare.
Information query
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
G02B7/02 | .用于透镜 |