Title:
PRESSURE GAUGE
Document Type and Number:
WIPO Patent Application WO/2015/006945
Kind Code:
A1
Abstract:
A pressure gauge comprises a base (1), a spring tube (2), a pointer shaft (3), a pointer (4), and an indicating panel (5). The spring tube (2) is connected the pointer shaft (3), and can drive the pointer shaft (3) to rotate. One end of the spring tube (2) is provided with a fixation portion (21). The base (1) is provided with a mounting portion (11).The mounting portion (11) is provided with an opening slot (12) inside. The fixation portion (21) is mounted in the opening slot (12). The bottom of the opening slot (12) is provided with a first through-hole (13) for gas circulation. The first through-hole (13) is in communication with the fixation portion (21). The pressure gauge has a simple structure, and needs low cost.
Inventors:
HONG YINGCHI (CN)
Application Number:
PCT/CN2013/079558
Publication Date:
January 22, 2015
Filing Date:
July 17, 2013
Export Citation:
Assignee:
ACTIVE TOOLS INT HK LTD (CN)
International Classes:
G01L7/04
Foreign References:
| GB538784A | 1941-08-15 | |||
| CN203337309U | 2013-12-11 | |||
| JPS6378035A | 1988-04-08 | |||
| CN103048082A | 2013-04-17 | |||
| CN2236650Y | 1996-10-02 |
Attorney, Agent or Firm:
SHENZHEN STANDARD PATENT & TRADEMARK AGENT LTD. (CN)
深圳市顺天达专利商标代理有限公司 (CN)
深圳市顺天达专利商标代理有限公司 (CN)
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