MOUNTING STRUCTURE OF VISUAL ACUITY INTENSIFYING ATTACHMENT FOR SPECTACLE FRAME

Japanese Patent JP3558611

B2

PROBLEM TO BE SOLVED: To provide a mounting structure for a visual acuity intensifying attachment for a spectacle frame which enables a user to visually recognize an objective diorama by making fine adjustment of a mounting position by a magnetic attractions slide, thereby easily and surely aligning the finder of the visual acuity intensifying attachment and a line-of-sight position of a wearing person.
SOLUTION: At least a front frame 11 of the spectacles comprises a frame body 1 which is formed of a magnetic material and a mounting adapter 2 which is disposed on the front of this frame body 1 and fixes the visual acuity intensifying attachment A. This mounting adapter 2 fixes the visual acuity intensifying attachment A at its front and is freely slidably and magnetically attracted to the front frame 11 of the frame body 1 by a magnet 21 disposed on the surface opposing the front frame 11. Technical means of constituting the mounting structure so as to enable the user to visually recognize the objective diorama by sliding and adjusting the magnetic attraction position of the mounting adapter 2, thereby aligning the line-of-sight position of the wearing person and the finder f position of the visual acuity intensifying attachment A is adopted.

Satoru Masunaga
Kazuo Murata
Masao Akiyama

JP2001270209A

August 25, 2004

September 06, 2001

Click for automatic bibliography generation  

Masunaga Optical Co., Ltd.
Nitto Optical Co., Ltd.
Toshiki Tsuchiya

G02C9/00; G02C5/00; G02C7/08; (IPC1-7): G02C7/08; G02C9/00

Koji Togawa

Previous Patent: DEVICE FOR TREATMENT OF WASTEPAPER

Next Patent: DRIVE UNIT FOR CABLE TYPE WINDOW REGULATOR