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:
Sep. 10, 2019
Filed:
Mar. 11, 2016
Mtc Co., Ltd., Gunpo-si, Gyeonggi-do, KR;
Jung kwon Cho, Gwacheon-si, KR;
Ki jung Cho, Pyeongtaek-si, KR;
Kwang ryeal Choi, Pyeongtaek-si, KR;
Won bum Sohn, Yongin-si, KR;
Sung jae Yoo, Uiwang-si, KR;
MTC CO., LTD., Gunpo-si, Gyeonggi-Do, KR;
Abstract
Provided is an injection molding apparatus for a worm wheel, in which the worm wheel is not only integrally manufactured by an injection mold method, but a gear teeth structure of a gear forming unit is also manufactured as an injection mold without a hobbing operation, and the structure of the injection molding apparatus is also improved so that worm wheel products can be easily taken out from the injection mold. The injection molding apparatus includes: a boss injection mold; a product injection mold having a movable side core, a fixed side core, and a worm gear tooth-shaped core; and a take-out unit for taking out a worm wheel product formed with a worm gear by the product injection mold, wherein the take-out unit includes: a plurality of take-out pins; a take-out plate; and a guide unit guiding rotation of the worm gear tooth-shaped core.