Title:
EXPANSION BOLT
Document Type and Number:
WIPO Patent Application WO/2023/036106
Kind Code:
A1
Abstract:
An expansion bolt, comprising a bolt main body (1), a sleeve (2), a washer (3), and a nut (4). The bolt main body comprises a bolt head (11), a bolt body (12), and a threaded bolt tail (13); slots (21) are provided at the end of the sleeve close to the bolt head; the bolt head is tapered, and the taper is less than or equal to 1:2; the inner diameter of the sleeve is the same as the major diameter of the threads of the bolt tail, and the sleeve and the bolt tail are in clearance fit. The expansion bolt is good in stability, firm in installation and reusable.
Inventors:
PAN SHUJIANG (CN)
PAN YUNFENG (CN)
PAN YUNFENG (CN)
Application Number:
PCT/CN2022/117179
Publication Date:
March 16, 2023
Filing Date:
September 06, 2022
Export Citation:
Assignee:
PAN SHUJIANG (CN)
International Classes:
F16B13/06; B25B13/06
Foreign References:
| CN216343256U | 2022-04-19 | |||
| CN113700713A | 2021-11-26 | |||
| CN206816641U | 2017-12-29 | |||
| CN209800477U | 2019-12-17 | |||
| CN209781397U | 2019-12-13 | |||
| CN104712630A | 2015-06-17 | |||
| CN209990751U | 2020-01-24 | |||
| CN205478749U | 2016-08-17 | |||
| CN204476975U | 2015-07-15 | |||
| CN201078377Y | 2008-06-25 | |||
| JPH10219848A | 1998-08-18 | |||
| US20070258787A1 | 2007-11-08 |
Attorney, Agent or Firm:
BEIJING BOSHIZHIXIN PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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