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:
Mar. 08, 2022
Filed:
Feb. 04, 2021
Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, CN;
Songfeng Guo, Beijing, CN;
Shengwen Qi, Beijing, CN;
Shishu Zhang, Sichuan, CN;
Xingdong Ma, Sichuan, CN;
Guoqing Yuan, Sichuan, CN;
Xiuhua Wang, Sichuan, CN;
Bowen Zheng, Beijing, CN;
Yu Zou, Beijing, CN;
Xiaolin Huang, Beijing, CN;
Ning Liang, Beijing, CN;
Hang Li, Chengdu, CN;
Yubo Liu, Chengguan Town, CN;
Jianxian He, Beijing, CN;
Xianglong Yao, Beijing, CN;
Daping Tai, Beijing, CN;
Guangming Luo, Beijing, CN;
Abstract
The present invention discloses a type of energy-absorbing rock bolt device with umbrella-shaped structure, which consists of a body of bolt, and one end of the said body of bolt is equipped with a preloaded system, as well as the other end of the said body of bolt is equipped with the first support system, in addition, the said body of bolt is equipped with several second support systems, and the said second support system is located between the said preloaded system and the said first support system; meanwhile, the said second support system consists of the first umbrella-shaped support system and the second umbrella support system.