US1103449A - Ophthalmic mounting. - Google Patents

Description

H. H. STYLL. OPHTHALMIC MOUNTING. APPLIUATION FILED 11.22, 1914.

1,1 03,449. Patented July 14, 1914,

l/VVE/VTUI? HARRY H STYLL' l1 TTOR/VEYS IIIIITED rarer r ion OPHTHALMIC MOUNTING.

Specification of Letters Patent.

Patented July 14, 1914.

Application fi1ed April 22, 1914. Serial N 0. 833,765.

mounting, of an improved automatically operating yielding guard which may be ad justed toproperly bear upon the nose and position the'niounting thereon, and which will in addition satisfactorily grip the upper portion of the nose to resist any tilting tendency thereof.

A further object of my invention is the provision in combination with a rigid bridge and adjustable means associated therewith, of a novel and improved guard which shall serve as a positioning or weight supporting as well as a gripping member.

Other objects and advantages of my improved construction should be readily apparent by reference to the following de scription taken in connection with the accompanying drawings, and it will be understood that I may make any modifications in the specific details of construction shown and described within the scope of the appended claims without departing from or exceeding the spirit of my invention.

Figure I represents a fragmentary perspective view of one form of my invention. Fig. II represents a plan view of a slightly modified form. Fig. III represents a view of a slightly modified construction of guard member. Fig. IV represents a fragmentary view illustrating another construction of guard and bridge for use in conjunction therewith. Fig. V represents a slightly modified form of guard employed in conjunction with a saddle bridge.- Fig. VI represents a frag- I mentary view illustrating a slightly different method of attaching the guard.

by the rivet having one end engaging the arm and the opposite end bearing against the guard to swing the upper end inward into gripping position.

In that form of my invention shown in Fig. II, I have illustrated the arm as in Fig. I extending across the bridge, havin the handle 9 on the front portion thereo the arm being intermediately twisted, however, to receive the securing screw 10 for retaining the device in position on the bridge. In this form I have shown the guard as actuated by a flat in place of a round spring, one end of the spring being anchored by a slot in the rivet while the opposite end bears against the guard.

In Fig. III, I have illustrated a guard arm quite simllar to that shown in Fig. I, the guard in this instance being shown as actuated by a coil spring, but being provided at the upper end with a supplemental gripping member 11 attached preferably as by a loose rivet construction to allow this gripping member to automatically adjust itself to the shape of the nose and secure a firm engagement therewith.

In Fig. IV, I have shown the guard supporting arm as forming a direct continuation of the bridge, while the guard is provided with a supplemental gripping member 11 connected thereto by means of a loop 12, facilitating adjustment of the pad as desired.

In Fig. V, I have shown a further modificationof my guard in which the supplemental gripping member 11 is secured to the main guard at its rear edge and is swung inwardly as by the spring 13 to secure a firmer engagement between the front edge of i the supplemental gripping member and the nose to prevent any possibility of forward tilting of the mounting.

While the arm 3 may be formed from any desired. character of material, I preferably construct it of material sufficiently pliable to permit of adjustment of the position of the guard 7 to correctly fit the nose and at the same time sufiiciently rigid to retain the guard 1n its position. Under ordinary serv- Y ice conditions in use the-said arms are So adjusted as to cause thelower part of the guard adjacent the lug 6 to correctly bear again the nose and support the mounting in their use is not required for the operation of the mounting, although saving a certain amount of adjustment of the 'main guard and also proving of additional efliciency in.

2 thereof for swinging the upper end of the connection with some noses.

The mounting having been correctly fit-f ted, as mentioned above, in placing the same} in position it is merely necessary to slide the? same inwardand upward onto the nose with; .a rolling movement, when the nose will au-f tomatically wedge or swing open the guards 7 against the tension of the springs 8. This movement is continued until the mounting? reaches the correct position on the nose, that; is, until the upper ends of the guards fit into the sockets at the top of the nose and gripgripping member carried by the upper end It is to be noted that the shoulders of the? heads 4 serve as stops to limit the pivotal: movement of the guards, thus insuring their upper portion being sufliciently spaced to readily receive the nose therebetween. Attent'ion is also called to the fact that the guards, as is clearly shown in Fig. II, are dispersed at an angle to each other, this. angle being preferably slightly greater than pingly engage the loose flesh thereof.

that of the nose so that the bearing portion-s rather than the rear edges of the guardsl will contact with the nose as the mounting is placed in position, while the front edges will engage the nose when the mounting is in position and will prevent forward slip-;

ping of the mounting.

To further facilitate the comfortable p07 sitioning of the mounting I may, if desired,

round or curve the upper ends of the guards as indicated in Figs. I, II and IV for example, these rounded ends being first placed in engagement with the nose. to initially open the guards and the mounting being then pressed into place with the rolling movement previously described. In any event, with my improved construction the mounting is securely and comfortably retained in place and held against accidental dislodgment although readily removable by a reversal of the positioning operation, that rolling movement thereto.

I claim:

1. A mounting of the character described, embodying a rigid bridge, adjustable supports carried thereby, guards fulcrumed adjacent the lower port-ions thereof, and yielding means for swinging the upper ends of .said guards inward into gripping engagement with the nose.

2. In an ophthalmic mounting, the combiis by imparting an outward and downward nation with the lenses,of a bridge rigidly connecting the same, rigid but adjustable arms extending rearwardly from the bridge and terminating in pivot heads, pivots carr-ied by'said heads, guards having pivot lugs disposed near the lower end thereof and mounted upon the pivots and a spring carried by each pivot having one end held againstmovement and the other end engaging the guard above the point of pivotance guard inwardly into engagement with the nose.

3. In an ophthalmic mounting, the combination with the lenses, of, a bridge rigidly connecting the same, rigid but adjustable looped arms extending rearwardly from'the bridge, a guard pivotallyfseoured adjacent the terminus of each of thefa'rms, an actuating spring carried by the armfor swinging the upper end of the guard inward toward the nose and a supplemental adjustable connections between the support-s and the guards, springs adapted to operate the guards and adjustable bends in the supports intermediate the lenses and the guards.

6. In an ophthalmic mounting, the combi nation with the lenses, of a bridge rigidly connecting the same, rigid guard supports, and automatically operating guards carried by the supports and disposed at a greater ends to facilitate positioning of the mountangle than that of the nose to be engaged ing. thereby. Intestimony whereof I affix my signature 7. The combination With a bridge and stain presence of two Witnesses. tionary guard supports carried thereby, of HARRY H. STYLL.

guards pivoted to the supports and means Witnesses: for swinging the upper ends of the guards H. K. PARSONS, inward said guards having flaring upper C. I. KING.

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

. Washington, D. 0.

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