IP Library › Granted Patent US 7,971,993
Granted Patent B2
US 7,971,993 · App. 12/709,168 · Granted Jul 5, 2011

Lens fixing method for rimless eyeglasses, and rimless eyeglasses using the same

Assignee: Kawamoto Kogaku Kogyo K.K.
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Quick Facts
Patent No.
US 7,971,993
App. No.
12/709,168
Granted
Jul 5, 2011
Kind
B2
Abstract

Rimless eyeglasses are provided that allow a lens to be fixed to a connector only by fitting the lens into the connector, and that also enable strong engagement between the lens and the connector. Rimless eyeglasses include a rimless lens, a bridge, and a connector that is provided at the tip of a temple. The rimless lens has an inwardly extending notch near upper left and right ends thereof. The bridge and the connector have a groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof. The notches of the rimless lens engage with the grooves of the bridge and the connector.

Claims (21)

1. Rimless eyeglasses comprising:

a temple;

a rimless lens having an inwardly extending notch near upper left and right ends thereof, said notch being provided with a stepped portion, and thereby, a first thickness portion having a smaller thickness and upper and lower surfaces is formed; and a recess extending along the width in the upper and lower surfaces of the first thickness portion;

a bridge having a first groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof; and

a connector provided between the temple and the rimless lens and having a second groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof;

at least one of the first groove of the bridge and the second groove of the connector having a projection at the top and the bottom;

wherein the notches of the rimless lens respectively engage with the first groove of the bridge and second grooves of the connector, thereby fitting together the respective first thickness portions of the notches with the first and the second grooves, and fitting together the projection and the recess.

2. Rimless eyeglasses comprising:

a temple;

a rimless lens having an inwardly extending notch near upper left and right ends thereof, said notch being provided with a stepped portion, and thereby, a first thickness portion having a smaller thickness and upper and lower surfaces is formed; and a projection extending along the width in the upper and lower surfaces of the first thickness portion;

a bridge having a first groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof; and

a connector provided between the temple and the rimless lens and having a second groove having a C-Shaped longitudinal cross section and extending between top and bottom surfaces thereof;

at least one of the first groove of the bridge and the second groove of the connector having a recess at the top and the bottom;

wherein the notches of the rimless lens respectively engage with the first groove of the bridge and second grooves of the connector, thereby fitting together the respective first thickness portions of the notches with the first and the second grooves, and fitting together the projection and the recess.

3. Rimless eyeglasses comprising;

a temple;

a rimless lens having an inwardly extending notch near upper left and right ends thereof, said notch being provided with a stepped portion, and thereby, a first thickness portion having a smaller thickness is formed; and a recess in the stepped portion of the notch;

a bridge having a first groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof; and

a connector provided between the temple and the rimless lens and having a second groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof;

at least one of the first groove of the bridge and the second groove of the connector having a projection in front of the groove;

wherein the notches of the rimless lens respectively engage with the first groove of the bridge and second grooves of the connector, thereby fitting together the respective first thickness portions of the notches with the first and the second grooves, and fitting together the projection and the recess.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 19, 2010
From: KAWAMOTO, SHUICHI
To: KAWAMOTO KOGAKU KOGYO K.K.
Reel/Frame 023966/0689 →
Priority Claims (2)
JP 2009-123026 · May 21, 2009 · national
JP 2010-003814 · Jan 12, 2010 · national
Continuity (1)
Related Publication 20100296044A1 · Nov 25, 2010