Improvements in Eyeglasses.
Year: 1894

page_text: COMPLETE SPECIFICATION.
Improvements in Eyeglasses.
I, FRANZ REDL, Watchmaker of Camenz, Germany do hereby declare the
nature of my invention and in what manner the same is performed to be
particularly described and ascertained in and by the following statement :-
The present invention relates to double eyeglasses and more particularly to that
class of glasses known as "pincenez," which are held in position on the nose by
means of a spring connecting the two glasses, and the improvement consists in
making those parts of such glasses which contact with and grip the nose adjustable
relatively to each other and to the glasses, as herein after more particularly
described.
And in order to make the present invention more easily intelligible reference is
had to the accompanying drawing in which similar letters denote similar parts
throughout the several views :--
Fig. 1 being a front view of a pair of glasses constructed according to my
invention,
Fig. 2 a section on the line ax in Fig. 1,
invention
Fig. 4 is a section through the adjustable gripper piece on the line y y in
Fig. 1 showing the glass in elevation.
Fig. 3 a front view of a pair of glasses showing the arrangement of my
thereon when the spring of the said glasses is flat.
Fig. 5 is a similar section to that shown in Fig. 4 but drawn to an enlarged
scale.
The glasses may be constructed on any of the well known principles as shown in
Figs. 1 and 3. The parts of the glasses a a which contact with and grip the nose
consist of a metallic rod or wire a screw threaded at its lower end for the reception
of the clamping nut a³ and terminating at its upper end in a knob a², said rod being
covered with a sheath of horn, hard rubber, celluloid, soft rubber or other suitable
substance having a rough outer surface advantageously. This sheath extends
from the knob a² to the surface of the lug b of the glass rim and is secured to the
latter by the rod a¹ being passed through a perforation thereof and clamped in
position by the nut a³. The latter nut may also serve to hold the ends of the glass
rim together; so that in order to remove the glass or replace the same it is only
necessary to loosen the said nut and on replacing a glass to tighten it up again.
The parts a a are not flat as heretofore, but of a circular section and are
advantageously bent to the shape of a horn. From the above description it will
be easily understood that the position of the clamping parts a a with regard to the
glasses can be adjusted by simply loosening the nut a³ and turning round the part a
into the required position. Thus as shown in dotted lines in Fig. 2 the said
gripper parts a may be moved to the rear of the line of the glasses or by turning
them in the opposite direction the same may be advanced in front of the glasses to
suit any shaped nose for the convenience of the wearer. The small nut a³ may be
so formed as to be turned by means of a watch key if desirable. The parts a can
also be adjusted vertically with regard to the lugs 6, to a certain extent by pushing
or pulling the rod a' further through the lug in one way or the other and securing
it in the desired position.
Glasses constructed on the principle of the present invention can be adjusted to
fit comfortably noses of any shape, as the parts a a may be advanced towards, or
moved apart from each other by being turned on their centres, and may also be
placed in any desired position with regard to the glasses. For instance in the case
of deformed noses the two parts a a may be arranged differently on each side of

page_text: the nose, whilst in any case the said parts may be adjusted to grip the nose at a
position most convenient for the wearer and still keep the glasses at the proper and
requisite distance from the eyes, which it has hitherto been impossible to do with
glasses made on the well known systems. The fact of the gripper a having a
circular section allows of its being placed in any position without exercising an
unpleasant pressure on the nose, which would not be the case were the old flat
grippers employed.
Having now particularly described and ascertained the nature of my said
invention and in what mauner the same is performed, I declare that what I
claim is :-
1. Eyeglasses of the description specified having the parts which contact with
and grip the nose adjustable in any direction.
2. In combination with double eyeglasses the grippers a a attached to the lugs of
the glass rims and being adjustable in any direction substantially as described.
3. In combination with eyeglasses, the perforated lugs b, the wires or rods al
bent to the required form and secured in the said lugs, said rods being provided
with a sheath of suitable material substantially as described.
4. The combination of the perforated lugs b, the wires or rods a' screw threaded
at the lower end and having a knob at the upper end, a sheath of suitable material
arranged on said rod or wire and a nut a³ to secure said rod adjustably in the said
lug in the manner and for the purpose substantially as described.
Dated this 9th day of May 1894.
W. P. THOMPSON & BOULT,
Agents for the Applicant.