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:
Jun. 01, 2021
Filed:
May. 01, 2020
Applicant:
Zhejiang Sunny Optical Co., Ltd, Ningbo, CN;
Inventors:
Assignee:
Zhejiang Sunny Optical Co., Ltd, Ningbo, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4263 (2013.01); G02B 6/4206 (2013.01);
Abstract
The present disclosure provides a TO-CAN cap. The TO-CAN cap includes a casing, the casing has a hollow cylindrical structure, and an inner wall of the casing has a protrusion portion at a first end portion in an axial direction of the casing; and an optical lens, the optical lens has an optical portion for refracting light and a rib portion at a periphery of the optical portion, a side surface of the rib portion having a concave portion complementary to the protrusion portion, where the casing and the optical lens are connected to each other through the protrusion portion and the concave portion.