US1019117A - Eyeglass-mounting. - Google Patents

Description

L. F. ADT. EYEGLASS MOUNTING, APPLICATION FILED NOV. 3, 1909.

1,019,1 17. Patented Mar.5,1912.

nnrran sra'i ns pit rnn'r orrion LEO F. ADT, OF' ALBANY, NEW YORK.

EYEGLASS-MOUNTING.

To all whom it may concern:

Be it known that'l, Luo F. An'r of Albany, in the county of Albany and State of New York, have invented certain new and useful Improvements in Eyeglass -.Mountings; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, and to the reference-numcrals marked thereon. The present invention relates toeye-glass mountings and it'has for an object to provide a construction, employing coil springs for positioning the, guards, soconstructed that the pupilary distance of the mounting will'be so connected to both the member it maybe reduced to a minimum. v

A further ob ect of the invention is to provide a spring of a construction affording great durability and efficiency and which operates and the supporting part as to ofier certain conveniences in assembling and 'in other manipulations of the parts.

To these and other ends the invention consists in certain improvements and combinations of parts, all as will be hereinafter more fully described, the novel features being pointed out in the claims' at the end of the specification.

' In the drawings: Figure 1 is an enlarged front view of a mounting constructed. in accor-dance with'this invention. Fig. 2 is a detail botton view of the mounting in proxv =lens attaching'devices or portions 2, the latter preferably beingconnected to the bric ging portion by horizontal connecting portions 3. Mounted to swing on the support are the nose guards comprising in this instance levers 4 having finger pieces 5 at their forward ends and nose engaging members at their rear ends, said nose engaging members embodying upper pads Gandlower pads 7 Each guard preferably turns in engagement with a' seat 8 formed on the'upper surface of each one of the connecting portions 3, a pivotalconnection between each guard and the support being preferably established by a pivot pin 9 which is engaged by a laterally Specification of Letters Patent.

Patented Mar. 5, 1912.

Application filed November 3, 1909. Serial No. 526,092.

opening bearing 10 in one of the guard lovers 4, a head 11 on the pin cooperating with the upper face of the guard lever to prevent the vertical displacement of the guard.

One of the great difficulties in the con struction of so-called finger piece eye- ,glass'mounl'ingsis to obtain guard position-' ing springs which will be inconspicuous and at the same time have sufficient strength to hold the. guards against the nose. To these difficulties must be added that of locating and constructing the springs so that the pupilary distance of the mounting may be' portion 3 of the mounting on that side opposite to the one on which the guard lever 4 is located. The inner-endof each spring is preferably secured to thesupport and to this end the latter'is provided on each con-' necting portion with a depending hooked projection 13 preferably of rectangular cross section as show-n over which an elongated eye or socket 14 having fiat inner faces conforming substantially to the contour of the, bridge, the inner end of one of the coils is adapted to be fitted; The outer end of each coil extends rearwardly and is provided with a hook 15 adapted to cooperate with one of the leversain rear of itsypivot- The spring thus not only serves to position its guard but it acts on the latterin a direction to maintain the bearing 10 thereof in engagement with its pivot 9. It is apparent that the hook 15 may be detached from the guard to permit the latter to be removed from engagement with the pivot pin, a

The spring may be readily placed in position on the mounting with the fingers alone by presenting it flatwise and'after first-em gaging one side of the eye 14 at its center under the hooked or shouldered portion of the projection 13, thrusting it flat against the connecting portion or support by a swinging or rolling motion, the opposite side of the projection from the hook or shoulder being preferably slightly rounded, clearly shown in Fig. 4, to admit of this. With the spring thus retained the guard lever may be next applied to the other side of the sup- --port without interference from the spring and the outer hooked end of the latter subsequently engaged therewith, from all of 1.4 and projection 13also prevent the rotation of the spring at its center.

An eyeglass mounting constructed in' accordance with this inventlon 1s inexpensive to manufacture and snnple 1n its operatlon.

The guards may be quickly removed from the support for the purpose of repair or adjustment and the spring remains supported upon the mounting during such removal. These springs have maximum strength and are so located as to be inconspicuous from the front of the mounting. They also have a minimum Width in the direction of the plane of the'lenses so that the ends of-the bridging'portion may be brought nearer to the lens attaching device in order that the pupilary distance between the lenses mav be reduced to a minimum.

' I claim as my invention:

1. In an eyeglass mounting, the combination with a support for the lenses, and a nose guard mounted to swing thereon, of a coil spring for positioning the guard having a substantially elliptical transverse section and arranged with its greatest width in a planetransverse to the plane of the lenses held by the support. p

2. In an eyeglass mounting, the combination with a support for the lenses and a nose guard mounted to swing thereon, of a fiat spiral coil spring of elliptical transverse section for positioning the guard arranged with its greatest width transverse to the plane of the lenses and terminating in an arm cooperating with the guard.

3. In an eyeglass mounting, the combination with a support for the lenses embodying a bridging portion, a lens attaching device and a portion connecting the bridging portion with the lens attaching device, of a nose guard mounted to swing on the connecting portion, anda coil spring of elliptical transverse section for positioning the guard, arranged with its greatest width transverse to. the plane of the lenses held by the mounting and terminating in an arm cooperating with the guard and extending in the direction of its greatest width.

4. In an eyeglass mounting, the combination with a support for the lenses comprising a bridging portion, a lens attaching device and a portion connecting the bridging portion with the lens attaching device, of a" nose guard pivotally mounted on one side of the connecting portion, and a Hat spiral spring of elliptical transverse section for positioning the guard, arranged on the opthe plane of the lenses held by the support.

5. In an eyeglassmounting, the combination with a support for the lenses com-' prising a bridging portion, a lense attaching device and a portion connecting the lens at-' 'taching'device and the bridging portion, of

a nose guard mounted, to swing on the upper side of the connecting porti0n,'and a flat spiral coil of elliptical transverse section for positioning the guard, arranged on the under side of the connecting portion with its greatest width transverse to the plane of the lenses held by the support.

6. In an eyeglass mounting, the combination with a support for the lenses and a swinging guard lever mounted thereon, of a coil spring for positioning the guard wound in a fiat spiral about the axis of the latter,

the outer end cooperating with one of said members and the inner end being provided with an eye within which a securing element on the other projects, said eye being arranged in concentric alinement with the axis of the guard.

7. In an eyeglass mounting, the combiswinging guard lever mounted thereon, of a fastener projecting from one of said parts,

nation with a support for the lenses and a.

a coil spring for positioning the guard wound about the fastener and having one end cooperating with the other part and an 7 eye or socket on the other end of the spring surrounding the fastener.

loo.

. 8. In an eyeglass mounting, the'flcombination with a support for the lenses and a swinging guard lever mounted thereon, of a fastener projecting from the sup ort, a flat spiral. spring Wound about the istener and having its] outer end cooperating with the guard and an eye or socket on the inner end of the spring fitting over the fastener.

9. In an eyeglass mounting, the combination With .a supportforthe lenses and aswinging guard lever mounted thereon, of

a fastenerprojecting from one of said parts,

in a direction-axially of the turning movement of the guard, a coil spring for positioning the guard also wound about the axis of the latter and an eye or socket at one end of the spring fitting over the fastener, the fastener and eye being so formed as toprevent their relativevrotary movement.

10. -In an eyeglass mounting, the combination with a support for the lenses and a swinging guard lever mounted thereon, of a fastener projecting from one of said parts, in a direction axially of the turning movement of the guard and provided with a fiat face, a coil spring for positioning the guard also wound about the axis of the latter, and an eye or socket at one endof the spring fitting over the fastener and provided interiorly' with a flat face cooperating with that on the fastener to prevent the eye'from rotating about the latter.

11. In an eyeglass mounting, the eomhination with a support having two projections extending from opposite sides thereof, of a guard le'ver mounted on one of said projections, a spring for positioning the guard mounted on the other and a shoulder on said last mentioned projection for normally preventing the disengagement of the spring therefrom.

I 12. In an eyeglass mounting, the combination with a support having two integral projections extending from opposite sides thereof and seats at the bases of said projections, of a guard lever'mounted on one'of' independent fastening elements for retaining.

the guard and springeach on its respective pro eetion and seat and permitting the independent removal thereof.

LEO F. AD'I;

- Witnesses:

EDWARD MURPHY, Six, H. D. BAILY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. C.

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