US574877A - Adjustable dental mouth-mirror - Google Patents

Description

(No Model.)

- F. W. BLOMILEY.

ADJUSTABLE DENTAL MOUTH MIRROR.

No. 574,877. Patented Jan. 12', 1897.

UNITED STATES PATENT FFICE.

FRED WV. BLOMILEY, OF SIOUX FALLS, SOUTH DAKOTA.

ADJUSTABLE DENTAL MOUTH-MIRROR.

SPECIFICATION forming part of Letters Patent No. 574,877, dated January 12, 1897.

Application filed December 20, 1895. Serial N- '72,822- (No model.)

T0 at whom it may concern.-

Be it known that I, FRED W. BLoMILEY, a citizen of the United States, residing at Sioux Falls, in the county of Minnehaha and State of South Dakota, have invented a new and useful Adjustable Support for Mouth Mirrors and Reflectors, of which the following is a specification.

My invention relates to improvements in adjustable supports for month mirrors and reflectors in which the mirror and reflector is adjusted and held in the month of the patient to enable dentists or surgeons to examine or work upon the interior of the mouth.

The object of my invention is toprovide means of adjusting and holding the mirror and reflector in any desired position in the mouth without the aid of any other assistant and permitting the position of the head of the patient to be changed without disturbing the adjustment of the mirror and reflector. I attain this object by the mechanism illustrated in the accompanying drawings, in which- Figure 1 is a side view of the entire device. Fig. 2 isa top View of the clamp on the headband. Figs. 3 and 4 are views of the clamps, rods, joints, and mirror. Fig. 5 is an enlarged view of the clamp C. Fig. 6 is an enlarged view of the double clamp G II, and Fig. 7 is a section of the mirror and ferrule attached to the back side of it.

Similarletters refer to similar parts throughout the several views.

The head-band A is a flexible spring of any suitable material, preferably steel, of suitable width and thickness and long enough nearly to encircle the head and stay in place mainly by its tension, but more securely, when necessary, by means of the strap N, which is attached at one end of the head-band A, and by means of the pin P on the other end of the band A and the holes 0 in the strap N the band A may be drawn and fastened as firmly as required. Upon one side of the bandA is riveted the steel plate B, of suitable size and of sufficient thickness for a screw-hole in the same to engage the set-screw D without perforating the band A. The clamp O, of any suitable metal, with groove, as shown in Fig.

5, a very little smaller than the rod E, is held in place and securely fastened by the setscrew D. The rod E is of suitable metal, preferably steel, of suitable size and sufflcient length to reach below the mouth of the subject and is fastened to the head-band A by passing through the slot in the clamp O at any desired angle or position by the setscrew D. 'At the proper distance from the clamp O the clamps G H, of any suitable metal, size, and thickness, with slots on their inner or engaging surfaces slightly smaller than the rods E and I, which should be of the same size as shown in Fig. 6, are fastened securely by the set-screw F, which passes through a smooth hole in H and engages a screw-hole in G. The rod I is of the same size and material as E and of suitable length. Both rods E and I being passed through the slots in G and H may be adjusted in any desired angle and position and securely fastened as above. At one end of the rod I a shorter rod K, of suitable length and of the same size and material as I, is fastened by the tight hinge-joint J. This rod K supports the mirror and reflector L, made of glass or other suitable material and of suitable size and shape, by means of the open ferrule P, fastened upon the back of the mirror L, which clamps the rod K with sufficient force to hold the mirror L in position, permitting it to be turned upon the rod K as an axis of revolution.

By the employment of a device of this character, in which the support of the mirror and reflector is attached to the head of the patient, the operator can readily adjust the apparatus so that the patients head may be moved freely Without disturbing the adjustment, while the operator has the free use of both hands for his work. The apparatus thus secured also presents only a very slight obstacle at or near the mouth of the patient.

That I claim for my invention is- The combination with a head-band A, of the adjustable rods E, I and K, the clamps G and G H, joint J and ferrule P the mouth mirror and reflector L as and for the purposes described.

FRED W. BLOMILEY. Witnesses:

CHAS. L. BROOKWAY, E. W. COUGHRAN.

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