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:
Feb. 20, 2024

Filed:

Mar. 30, 2022
Applicants:

Wen-san Chou, Tainan, TW;

Cheng-hsien Chou, Tainan, TW;

Inventors:

Wen-San Chou, Tainan, TW;

Cheng-Hsien Chou, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/12 (2006.01); F04B 39/14 (2006.01); F04B 39/00 (2006.01); F04B 39/10 (2006.01); F04B 53/10 (2006.01); F04B 35/04 (2006.01);
U.S. Cl.
CPC ...
F04B 53/123 (2013.01); F04B 39/0016 (2013.01); F04B 39/1073 (2013.01); F04B 39/14 (2013.01); F04B 53/1037 (2013.01); F04B 53/1085 (2013.01); F04B 35/04 (2013.01);
Abstract

A piston of an air compressor, the air compressor including the piston actuated by a motor to move upward and downward in a cylinder. The piston contains a head accommodating an air stop sheet which has a first bending section being a boundary line of an acting area and a positioning zone of the air stop sheet. The acting zone has a noncircular spacing groove configured to separate an external portion and a circular portion, a neck, and a second bending section, such that an axial line between the circular portion and the external portion is the second bending section at an obtuse angle less than 180 degrees, and the second bending section is defined between a bottom of the circular portion and a top of the external portion at an acute angle θ


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