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Patent Searching and Data


Title:
SIMPLE FRONT HANGING SPECTACLES
Document Type and Number:
Japanese Patent JP2001133740
Kind Code:
A
Abstract:

To provide hook type front hanging spectacles of a simple constitution in which auxiliary lenses can be freely attachably and detachably arranged in superposition on the front of the already worn spectacles.

The simple front hanging spectacles comprise a pair of the auxiliary lenses 1 and 1 which have notched parts formed at their peripheral edges, elastically deformable joint members 2 which have insertion fitting holes and are fitted into these notched parts, hook members 3 which are provided with projections insertion fittable into the insertion fitting holes on a base end side and are provided with curvilinear detaining parts detainable with the front part of the currently worn spectacles F on a front end side and a bridge member 4 which connects the auxiliary lenses 1 and 1 symmetrically to the center line via a pair of the hook members 3 and 3. Accordingly, a crack of the lenses does not easily occur even if an external force is added thereto.


Inventors:
MASUNAGA SATORU
Application Number:
JP31663599A
Publication Date:
May 18, 2001
Filing Date:
November 08, 1999
Export Citation:
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Assignee:
MASUNAGA OPTICAL MFG CO LTD
International Classes:
G02C5/06; G02C7/08; G02C9/04; (IPC1-7): G02C9/04; G02C5/06; G02C7/08
Attorney, Agent or Firm:
Koji Togawa