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Patent Searching and Data


Title:
ANTI-SHOCK ANCHOR BOLT
Document Type and Number:
WIPO Patent Application WO/2011/050654
Kind Code:
A1
Abstract:
Provided is an anti-shock anchor bolt, which consists of a nut (1), a screw rod (2) and at least two expansion pieces (3). There is a screw portion (21) at the outer end of the screw rod and a bolt head (22) at the inner end of the screw rod. A plurality of expansion pieces are put on the screw portion of the screw rod one by one. The nut is screwed on the screw portion of the screw rod. The expansion piece is a tube part which is manufactured by rolling a sheet part after punching. There are long tooth pieces (31) and short tooth pieces (32) intercrossed with each other at the opposite ends of two adjacent expansion pieces. The ends of the long tooth pieces are bent outwardly. The anti-shock anchor bolt has a simple structure with a great fastening force, presenting the advantages of better anchoring efficiency and anti-shock ability.

Inventors:
QU BIN (CN)
Application Number:
PCT/CN2010/076609
Publication Date:
May 05, 2011
Filing Date:
September 03, 2010
Export Citation:
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Assignee:
FUJIAN PENGKUN INDUSTRY CO LTD (CN)
QU BIN (CN)
International Classes:
F16B13/06
Foreign References:
DE4327201A11995-02-16
CN101713428A2010-05-26
CN201554730U2010-08-18
CN201095850Y2008-08-06
KR20070009163A2007-01-18
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD. (CN)
厦门市新华专利商标代理有限公司 (CN)
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