Title:
PROTECTIVE MASK
Document Type and Number:
Japanese Patent JP2015131047
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a foldable protective mask whose nose pad angle can be adjusted.SOLUTION: One support frame 1 is provided and one each of a cut groove 10 is formed at both ends of the support frame 1. One connection member 2 is provided to a connection rod 13 of the support frame 1, a C-shaped groove part 20 is formed at one end of the connection member 2, and a notch 21 is formed in the intermediate part of the C-shaped groove part 20. A convex part 22 is provided to the other end of the connection member 2, and one annular groove 23 is formed in the convex part 22. One nose pad 3 is provided on the connection rod 13 of the support frame 1, and a connection groove 31 is formed in a connection part 30. A plurality of engaging grooves 32 are formed on the internal wall surface of the connection groove 31. Also, one protection plate 4 is provided in front of the support frame 1. An insertion hole 40 is provided in the intermediate part of the protection plate 4, and a fitting groove 41 is formed at both ends of the protection plate 4.
Inventors:
WANG MING-ZHENG
Application Number:
JP2014005129A
Publication Date:
July 23, 2015
Filing Date:
January 15, 2014
Export Citation:
Assignee:
WANG MING-ZHENG
International Classes:
A61F9/04
Domestic Patent References:
| JPH01259858A | 1989-10-17 | |||
| JPH01155459U | 1989-10-25 |
Foreign References:
| US4317240A | 1982-03-02 | |||
| US3233250A | 1966-02-08 | |||
| US5469229A | 1995-11-21 | |||
| US2388626A | 1945-11-06 | |||
| US5692522A | 1997-12-02 | |||
| US5471679A | 1995-12-05 |
Attorney, Agent or Firm:
Masaki Hattori