The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2022
Filed:
Dec. 17, 2020
Tzu-chun Chen, Taichung, TW;
Tzu-Chun Chen, Taichung, TW;
YUNG FONG TOOLS CO., LTD., Taichung, TW;
Abstract
An engagement structure of a socket wrench contains: a body including a drive head, an accommodation chamber, a ratchet member received, a hexagonal groove, a circular large-diameter notch, multiple recessed, and a hexagonal small-diameter orifice. The hexagonal groove is configured to accommodate a locating sleeve. The locating sleeve includes an upper extension, a hexagonal positioning portion, a hexagonal receiving hole, multiple columns, two opposite central holes, two steel balls, and a slot. The locating sleeve further includes multiple springs fitted on the multiple columns of the multiple cutouts. The upper extension of the locating sleeve is connected with of the hexagonal small-diameter orifice and a hexagonal coupling aperture of a control disc, and a C-shaped retainer is engaged in the slot of the locating sleeve so that the C-shaped retainer abuts against the control disc, thus connecting the ratchet member, the locating sleeve, and the control disc.