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 Title: |
US5321444:
Eyeglasses with a replaceable lens unit
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Lin, Victor; Taipei, Taiwan
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| Assignee: |
Mao Lin Enterprise Co., Ltd., Taipei, Taiwan
other patents from MAO LIN ENTERPRISE CO., LTD. (702191) (approx. 15)
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| Published / Filed: |
1994-06-14
/ 1993-06-10
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| Application Number: |
US1993000074416
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| IPC Code: |
Advanced:
G02C 1/06;
G02C 5/00;
IPC-7:
G02C 1/06;
G02C 5/02;
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| ECLA Code: |
G02C1/06; G02C5/00B;
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| U.S. Class: |
Current:
351/086;
351/041;
351/124;
351/130;
351/140;
Original:
351/086;
351/041;
351/124;
351/130;
351/140;
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| Field of Search: |
351/041,44,47,57,58,60,83,84,85,86,90,91,94,124,125,130,140,149,158,106
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| Priority Number: |
| 1993-06-10 |
US1993000074416 |
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| Abstract: |
A pair of eyeglasses includes an eyeglass frame and a lens unit mounted detachably on the eyeglass frame. The eyeglass frame includes a curved front frame with two downwardly projecting end portions, and two bows. The curved front frame has an engagement groove formed therein, and a retained portion disposed at the middle section of the curved front frame. The engagement groove has two end portions respectively extending into the front surfaces of the downwardly projecting end portions of the curved front frame. The lens unit includes two lenses and a plastic lens rim mounted securely on the lenses. The lens rim has a rib projecting upward from the upper end portion thereof so as to engage the engagement groove. The rib has two lugs projecting respectively and outwardly from two ends thereof and being inserted into the end portions of the engagement groove. A hook is fixed on the lens rim and has a retaining space formed therein so as to retain the retained portion of the curved front frame. Accordingly, when the hook is pushed upward away from the retained portion, the lugs of the rib can be disengaged from the end portions of the engagement groove.
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| Attorney, Agent or Firm: |
Fitzpatrick, Cella Harper & Scinto ;
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| Primary / Asst. Examiners: |
Sikes, William L.; Parsons, David R.
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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| Family: |
None
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| Claim |
I claim:
1. A pair of eyeglasses comprising:
- an eyeglass frame including a curved front frame with two downwardly projecting end portions, and a pair of bows which are respectively coupled with said end portions of said curved front frame, said curved front frame having an engagement groove formed in a bottom surface thereof, and a retained portion disposed at a middle section of said curved front frame, said engagement groove having two end portions respectively extending into front surfaces of said downwardly projecting end portions of said curved front frame; and
- a lens unit including a pair of lenses and a lens rim mounted securely on peripheral sections of said lenses, said lens rim being made of a plastic material and having an upwardly projecting rib projecting upward from an upper end portion thereof so as to engage said engagement groove of said curved front frame, and a hook fixed on an intermediate section of said lens rim, said upwardly projecting rib having two lugs projecting respectively and outwardly from two ends thereof for being inserted into said end portions of said engagement groove of said curved front frame of said eyeglass frame, said hook including a vertical plate portion connected securely to said intermediate section of said lens rim and spaced apart from said upwardly projecting rib, a horizontal plate portion extending rearward from an upper end of said vertical plate portion, and a retaining portion extending downward from a rear end of said horizontal plate portion, thereby defining a retaining space in said hook so as to retain said retained portion of said curved front frame of said eyeglass frame in said retaining space of said hook;
- whereby, when said retaining portion of said hook is pushed upward away from said eyeglass frame so as to remove said hook from said retained portion of said curved front frame, said lugs of said upwardly projecting rib can be disengaged from said end portions of said engagement groove of said curved front frame.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 21 U.S. patent(s) that reference this one
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