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GB322408A - Improvements in spectacle-frames - Google Patents

Improvements in spectacle-frames

Info

Publication number
GB322408A
GB322408A GB678629A GB678629A GB322408A GB 322408 A GB322408 A GB 322408A GB 678629 A GB678629 A GB 678629A GB 678629 A GB678629 A GB 678629A GB 322408 A GB322408 A GB 322408A
Authority
GB
United Kingdom
Prior art keywords
projections
frame
over
ring
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB678629A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB678629A priority Critical patent/GB322408A/en
Publication of GB322408A publication Critical patent/GB322408A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • G02C1/08—Bridge or browbar secured to or integral with closed rigid rims for the lenses the rims being tranversely split and provided with securing means

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

322,408. Amin, M. March 1, 1929. Spectacles.-In a metal spectacle frame f having a screw closing device which screws over and brings together two projections b on the lens frame, the two projections when together form a polygonal prism with a screw thread g at the end. The ring-shaped free end h of the ear piece fits over the polygonal portion and is provided with slots a that fit tightly over the frame f. A. screw cap r is screwed on the thread g to hold the projections together and also to secure the ring h in place.
GB678629A 1929-03-01 1929-03-01 Improvements in spectacle-frames Expired GB322408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB678629A GB322408A (en) 1929-03-01 1929-03-01 Improvements in spectacle-frames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB678629A GB322408A (en) 1929-03-01 1929-03-01 Improvements in spectacle-frames

Publications (1)

Publication Number Publication Date
GB322408A true GB322408A (en) 1929-12-05

Family

ID=9820713

Family Applications (1)

Application Number Title Priority Date Filing Date
GB678629A Expired GB322408A (en) 1929-03-01 1929-03-01 Improvements in spectacle-frames

Country Status (1)

Country Link
GB (1) GB322408A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178864A (en) * 1985-08-07 1987-02-18 Merx International Limited Spectacle front frames
EP1460470A1 (en) * 2003-03-20 2004-09-22 Liberty Optical Manufacturing Co., Inc. Impact resistant eyewear frame assembly having a split frame
US7137700B2 (en) 2003-03-20 2006-11-21 Liberty Sport, Inc. Impact resistant eyewear frame assembly having a split frame and fastener reinforcement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178864A (en) * 1985-08-07 1987-02-18 Merx International Limited Spectacle front frames
EP1460470A1 (en) * 2003-03-20 2004-09-22 Liberty Optical Manufacturing Co., Inc. Impact resistant eyewear frame assembly having a split frame
US7137700B2 (en) 2003-03-20 2006-11-21 Liberty Sport, Inc. Impact resistant eyewear frame assembly having a split frame and fastener reinforcement

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