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Patent Searching and Data


Title:
QUICK COUPLING FOR REINFORCED CONCRETE POLE
Document Type and Number:
WIPO Patent Application WO/2002/033177
Kind Code:
A1
Abstract:
A joint for connecting the preformed reinforced members of concrete pile (1) consists of a retaining hoop (2) engaged around the surface on the end of the member, a number of connecting recesses (3) uniformly formed on the retaining hoop (2), sliding block (4) formed with tooth (5) in the connecting recess (3), a spring (6) biased against the back side of the sliding block (4), and connecting pin (8) inserted into the connecting recess (3), engaging tooth (7) formed on the pin (8), the engaging tooth (7) being engaged with tooth (5) on the sliding block (4).

Inventors:
Zhong, Zhaohong (Room 202, Jin Man Ge 8 Jin Hai Bei Jie, Tian He Bei Roa, Guangzhou City Guangdong Province 5, 51063, CN)
Application Number:
PCT/CN2001/001454
Publication Date:
April 25, 2002
Filing Date:
September 26, 2001
Export Citation:
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Assignee:
Zhong, Zhaohong (Room 202, Jin Man Ge 8 Jin Hai Bei Jie, Tian He Bei Roa, Guangzhou City Guangdong Province 5, 51063, CN)
International Classes:
E02D5/52; E02D29/16; (IPC1-7): E02D5/30
Domestic Patent References:
WO1997038173A1
Foreign References:
JPH10195868A
JPH02213513A
Attorney, Agent or Firm:
GUANGZHOU SINO PATENT AGENCY CO. LTD (4th Floor, 87 Cangbian Road Guangzhou, Guangdong 0, 51003, CN)
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