Invention Grant
- Patent Title: Screwdriver rotation structure
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Application No.: US15930623Application Date: 2020-05-13
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Publication No.: US11311986B2Publication Date: 2022-04-26
- Inventor: Kuan-Ting Liu
- Applicant: Ningbo King Mount Co., Ltd.
- Applicant Address: CN Ningbo
- Assignee: Ningbo King Mount Co., Ltd.
- Current Assignee: Ningbo King Mount Co., Ltd.
- Current Assignee Address: CN Ningbo
- Agency: Mayer & Williams PC
- Agent Karin L. Williams; Alan D. Kamrath
- Main IPC: B25B15/04
- IPC: B25B15/04 ; B25B23/00

Abstract:
A screwdriver rotation structure includes a main body, a control member, a driving member, multiple first rolls, and multiple second rolls. The main body has multiple first recesses and multiple first pillars. Each of the first recesses has a first face. Each of the first pillars has two second faces, two third faces, and a first pivot portion. The main body has multiple second pivot portions. The control member has multiple third pivot portions and multiple second pillars. Each of the second pillars has a fourth face, a fifth face, and a fourth pivot portion. The control member has a fifth pivot portion and a mounting portion. Each of the first rolls is received in one of the first recesses. Each of the second rolls is received in one of the first recesses.
Public/Granted literature
- US20210354272A1 Screwdriver Rotation Structure Public/Granted day:2021-11-18
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