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.

Date of Patent:
Nov. 26, 2024

Filed:

Aug. 03, 2022
Applicant:

Hsu Huan Chiang, Taichung, TW;

Inventor:

Hsu Huan Chiang, Taichung, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B25B 21/00 (2006.01);
U.S. Cl.
CPC ...
B25B 21/004 (2013.01);
Abstract

A power ratchet wrench head has a gear set, a crank set, and a ratchet set. The crank set is connected to the gear set and has an outer casing and a crankshaft. The ratchet set is connected to the crank set and has a ratchet yoke, a transmission shaft, and a control knob. The transmission shaft engages with the ratchet yoke and has a pushing rod, an elastic element, a ratchet pawl, and two fixing pins. The pushing rod is disposed in the transmission shaft. The elastic element is disposed in the transmission shaft and abuts against the pushing rod. The ratchet pawl engages with the ratchet yoke and abuts against the pushing rod. The control knob is rotatably connected to the transmission shaft.


Find Patent Forward Citations

Loading…