Invention Grant
- Patent Title: Ratchet wrench
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Application No.: US17153169Application Date: 2021-01-20
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Publication No.: US11376717B2Publication Date: 2022-07-05
- Inventor: Chia Hsiang Chen
- Applicant: INFAR INDUSTRIAL CO., LTD.
- Applicant Address: TW Chang-Hua County
- Assignee: INFAR INDUSTRIAL CO., LTD.
- Current Assignee: INFAR INDUSTRIAL CO., LTD.
- Current Assignee Address: TW Chang-Hua County
- Agency: Mayer & Williams PC
- Agent Karin L. Williams; Alan D. Kamrath
- Priority: TW109108792 20200317
- Main IPC: B25B13/46
- IPC: B25B13/46

Abstract:
A ratchet wrench includes a body and a ratchet wheel. The body has a head and a handle connected to the head. The ratchet wheel is rotatably disposed in the head and has a first diameter portion, a second diameter portion connected to the first diameter portion, and a driving portion adapted to connect an object. The first diameter portion defines a first diameter in a radial direction of the ratchet wheel, and the second diameter portion defines a second diameter less than or equal to the first diameter in the radial direction of the ratchet wheel.
Public/Granted literature
- US20210291325A1 RATCHET WRENCH Public/Granted day:2021-09-23
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