Title:
DIVING FACE MASK
Document Type and Number:
Japanese Patent JP3027123
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent an inner frame from deforming and also to facilitate its fitting to the outer frame, concerning the inner frame for fixing a front lens to the outer frame in a diving face mask.
SOLUTION: On the inner frame 4 for fixing the front lens 2 to the outer frame 3 in the diving face mask, a first projection extending in the direction parallel to the outer face of the lens 2 and a second projection 27 extending in the direction orthogonally crossing the outer face of the lens 2, are formed. The first projection is engaged with a snap with a recessed part on the inner circumferentical face of the outer frame 3, while the second projection 27 is inserted into the space between the end face 12 of the lens 2 and the inner circumferentical face of the outer frame 3.
Inventors:
Taro Fujima
Application Number:
JP24161196A
Publication Date:
March 27, 2000
Filing Date:
September 12, 1996
Export Citation:
Assignee:
Tabata Co., Ltd.
International Classes:
A63B33/00; B63C11/12; (IPC1-7): A63B33/00
Domestic Patent References:
| JP8107948A | ||||
| JP553666U | ||||
| JP4133859U |
Other References:
【文献】登録実用新案3034473(JP,U)
Attorney, Agent or Firm:
Yoshiharu Shirahama