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:
Jul. 02, 2024
Filed:
Nov. 30, 2023
Beijing Huironghe Technology Co., Ltd., Beijing, CN;
Fucheng Yang, Beijing, CN;
Chaowen Li, Beijing, CN;
BEIJING HUIRONGHE TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A screw capping device for a test tube is provided. The device comprises a grasping unit configured to grasp a test tube cap and a rotating unit. The rotating unit includes a clamping assembly and a rotating assembly. The clamping assembly includes a test tube chamber used to accommodate a test tube body. A test tube pad with an inclined plane is disposed at the bottom of the test tube body. The rotating assembly includes a rotating shaft configured to drive the test tube chamber to rotate. The clamping assembly further includes a cage and cylindrical rollers. Gradient cavities are formed between the cage and the test tube chamber. The cylindrical rollers are located in the gradient cavities. The cylindrical rollers abut against and are pressed against the test tube body from a state where there is a gap between the test tube body and the cylindrical rollers.