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. 21, 2021
Filed:
Apr. 27, 2021
Dajocare Technology(shenzhen) Co., Ltd, Shenzhen, CN;
Pingjun Liu, Shenzhen, CN;
Yutao Liu, Shenzhen, CN;
Other;
Abstract
An electric toothbrush for brushing teeth vertically is disclosed. Forward and backward swing of the brush head () is realize through a spatial transmission mechanism to simulate the vertical brush action process of real manual brush brushing. The transmission includes a normal cam (), a main support (), a slide block (), a rolling ball (), a slide block limiting cylinder (), a reverse cam cylinder () and a transmission housing (). The input end of the positive cam () is sleeved on the rotating shaft of the motor (), and the output end of the reverse cam cylinder () is connected with the brush head () of the electric toothbrush. A groove () is arranged on the positive cam (), and the positive cam () drives the reverse cam cylinder () through the cooperation of the slide block () and the ball ().