Title:
PORTABLE AIR PUMP
Document Type and Number:
WIPO Patent Application WO/2008/128400
Kind Code:
A1
Abstract:
An inflator includes a cylinder (1), an air inlet rod (2), a piston (3), a head region
(4) and an air nozzle joint (5). The first end of the cylinder (1) is provided with
some air orifices (111) and the second end is closed; said air inlet rod (2) has
an air inlet passage (21) which axially runs through the first end and the second
end; the piston (3) has a piston body (31) and a non-return valve; the piston body
(31) is provided on the second end of said air inlet rod (2), and the non-return
valve is provided between the second end of the air inlet rod (2) and the piston
body (31); the piston body (31) and the air inlet rod (2) are installed in the cylinder
(1); said piston body (31) is provided with a center hole (311) and a through hole
(312); said head region (4) is provided on the first end of the air inlet rod (2),
and the air nozzle joint (5) is provided on the head region (4).
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Inventors:
HUANG YING-CHE (CN)
Application Number:
PCT/CN2007/002918
Publication Date:
October 30, 2008
Filing Date:
October 10, 2007
Export Citation:
Assignee:
HUANG YING-CHE (CN)
International Classes:
F04B33/00
Foreign References:
| CN2403913Y | 2000-11-01 | |||
| CN1553055A | 2004-12-08 | |||
| CN2555419Y | 2003-06-11 | |||
| DE202007005211U1 | 2007-08-09 | |||
| TWM315778U | 2007-07-21 | |||
| US4889250A | 1989-12-26 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (A-902 TOPBOX Building,N0. 69 Beichen West Road,Chaoyang District, Beijing 9, CN)
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