US897468A - Bridge for eyeglasses. - Google Patents

Bridge for eyeglasses. Download PDF

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Publication number
US897468A
US897468A US37196207A US1907371962A US897468A US 897468 A US897468 A US 897468A US 37196207 A US37196207 A US 37196207A US 1907371962 A US1907371962 A US 1907371962A US 897468 A US897468 A US 897468A
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US
United States
Prior art keywords
bridge
bar
recess
straps
eyeglasses
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 - Lifetime
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US37196207A
Inventor
Stephen C Laflin
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.)
American Optical Corp
Original Assignee
American Optical Corp
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
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Priority to US37196207A priority Critical patent/US897468A/en
Application granted granted Critical
Publication of US897468A publication Critical patent/US897468A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Definitions

  • F igurc 1 is a front view of the completed bridge and straps
  • Fi 2 is a perspective view of the bar out 0 which the bridge is formed by bending
  • Figs. 3 and 4 are an endview and a front view respectively of the strap, before it is fastened to the bridge bar
  • Fig; 5 shows the brid e bar and straps ut together, the stra s eing in section
  • Fig. 7 is a top view of the completed article, after the bending of the brid e. 1
  • a bar A' but of which the bridge is formed is preferably made com 'aratively wide and thin atthe center (see 1gs.2 and 5) swelling to greater thickness and at the same time contractifi' in width to a point A at each side,'and t en'having a beveled or slanting face A which together with the end lug A forms a recess.
  • Each lug-projects substantially at right angles to t e adacent portion of the bar A, and the thickness of material at thelug may be the same as the thickness at the point A; that is,
  • the recess may be formed inthe half-round sndportion of the bar by two .cuts, one to ieach stra 'form the inner face of the lug A, and the other to form the slanting face A.
  • the straps may be of an approved construction in their genera is shown as made with a central member ,front' and rear members B, B'
  • One of the members has a screw threaded hole B for the end of the customary screw D which holds the lens in the'strap; the other member is shown with features; thus 'surfaceof the strap.
  • the central memberB at one side thereof, that is, adjacent to one of the members B, B I provide a recess B and an opening B preferably of such dimensions that when the end of the bridge bar is inserted therein (with. the lug A rojecting inward through the opening B i ig. 5), the outer surface of said central member will be fiush'with the adjacent surface of the bridge bar A
  • the ends of the bridge bar having thus been inserted in the recesses and openings of the straps,'the inner ends of the lugs A are upset or flat-,7'0 toned to rivet orswage the straps to the bridge bar, as shown at the ri lit-hand end of the bridge in Fig.
  • a bridge bar in combination with an'eye'glass-strap provided with an o ening at one side, of.
  • a bridge bar the end portion of which" is located in said recess and provided with a lug located within said open--' 7 mg and riveted or swaged against the inner

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

Description

PATENTEDSEPT. 1, 1908. s. 0. LAFLIN. BRIDGE FOR EYEGLASSES.
APPLICATION FILE]? HAY 6, 1907.
" uvwmr (MM ATTORNEYS UNITED sTAT si aTENT OFFICE.-
STEPHEN C. LAFLIN, OF SOUTHBRIDGE, MASSACHUSETTS, ASSIGNOR TO AMERICAN OPTICAL COMPANY, OF SOUTHBRIDG-E, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.
BRIDGE FOR EYEGLASSES.
Specification 01 Letters lPatent.
Application filed May 6, 1907.. Serial No. 871,962.
Patented Sept. 1, 19 08.
To all whom it may concern:
Be it known that I, STEPHEN O. LAFLIN,
a citizen of the United States, and a resident of Southbridgc, Worcester county, State of Massachusetts, have invented certain new and useful Improvements in Bridges for Eye glasses, of which the following is a specifica-' 'tion.
' F igurc 1 is a front view of the completed bridge and straps; Fi 2 is a perspective view of the bar out 0 which the bridge is formed by bending; Figs. 3 and 4 are an endview and a front view respectively of the strap, before it is fastened to the bridge bar; Fig; 5 shows the brid e bar and straps ut together, the stra s eing in section; ig. 6 1s a front view 0 the article with the joints completed, but with .the bar still straight; and Fig. 7 is a top view of the completed article, after the bending of the brid e. 1
a bar A' but of which the bridge is formed, ispreferably made com 'aratively wide and thin atthe center (see 1gs.2 and 5) swelling to greater thickness and at the same time contractifi' in width to a point A at each side,'and t en'having a beveled or slanting face A which together with the end lug A forms a recess. Each lug-projects substantially at right angles to t e adacent portion of the bar A, and the thickness of material at thelug may be the same as the thickness at the point A; that is,
'the recess may be formed inthe half-round sndportion of the bar by two .cuts, one to ieach stra 'form the inner face of the lug A, and the other to form the slanting face A.
The straps may be of an approved construction in their genera is shown as made with a central member ,front' and rear members B, B'
. between which the lens is received, and
curved arms B to fit the peri her of. the lens C. One of the members has a screw threaded hole B for the end of the customary screw D which holds the lens in the'strap; the other member is shown with features; thus 'surfaceof the strap.
a flaring hole B for receiving the counter sunk head of the said screw. I desire it to be understood, however, that straps of other constructions may be employed.
In the central memberB, at one side thereof, that is, adjacent to one of the members B, B I provide a recess B and an opening B preferably of such dimensions that when the end of the bridge bar is inserted therein (with. the lug A rojecting inward through the opening B i ig. 5), the outer surface of said central member will be fiush'with the adjacent surface of the bridge bar A The ends of the bridge bar having thus been inserted in the recesses and openings of the straps,'the inner ends of the lugs A are upset or flat-,7'0 toned to rivet orswage the straps to the bridge bar, as shown at the ri lit-hand end of the bridge in Fig. 5-, so as too tain a smooth and neat finish. All that remains to be done after this is'to solder the Joints, swa'ge the..75 bridge bar at A and Alan then to bend the bridge barappro riately, for instance to the sha e shown in wigs.' 1 and 7. Thejoint of. bri ge-bar and straps described above is. very f strong the fact that the ends of the brid e80.
bar are flush with the front surface of t e' straps improves the appearance of the ishe article.
I claim, a 1.- In combination with an eyeglass strap rovid'ed wi an' g'ipening in its-central memer and with a transverse, recess. located; in the outer surface of said m'em'ber and-leading to said opening, a bridge bar the .en'd. portion of which is seated in said recess and provided with a lug within said openirigi v 2. In combination with an'eye'glass-strap provided with an o ening at one side, of. its central member an with areoess in its outersurface, leading to said opening, a bridgebar the end ortion of which is located in said recess flus with the outer'surface'of the stra' and provided with a fastening lug within sai opening. a p
3. In combination with an e eglass strap'IOQ' havin a recess extending in ,t e outer surface 0 its central member toward one of its. and members and an opening with which said recess communicates, a bridge: bar the end portion of which" is located in said recess and provided with a lug located within said open--' 7 mg and riveted or swaged against the inner
US37196207A 1907-05-06 1907-05-06 Bridge for eyeglasses. Expired - Lifetime US897468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US37196207A US897468A (en) 1907-05-06 1907-05-06 Bridge for eyeglasses.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37196207A US897468A (en) 1907-05-06 1907-05-06 Bridge for eyeglasses.

Publications (1)

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US897468A true US897468A (en) 1908-09-01

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US37196207A Expired - Lifetime US897468A (en) 1907-05-06 1907-05-06 Bridge for eyeglasses.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9585768B2 (en) 2013-03-15 2017-03-07 DePuy Synthes Products, Inc. Acetabular cup prosthesis alignment system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9585768B2 (en) 2013-03-15 2017-03-07 DePuy Synthes Products, Inc. Acetabular cup prosthesis alignment system and method
US10265193B2 (en) 2013-03-15 2019-04-23 DePuy Synthes Products, Inc. Acetabular cup prosthesis alignment system and method
US11026811B2 (en) 2013-03-15 2021-06-08 DePuy Synthes Products, Inc. Acetabular cup prosthesis alignment system and method
US11660209B2 (en) 2013-03-15 2023-05-30 DePuy Synthes Products, Inc. Acetabular cup prosthesis alignment system and method

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