An Attachment for the Head for Supporting Optical Instruments in Position.
Year: 1894

page_text: Compla
Date of Application, 2örd June, 1094
1005
ليون
4005
Date of Application, coro June, 103+
Complete Specification Left, 1st Feb., 1895 Accepted, 23rd Mar.,
4005
PROVISIONAL SPECIFICATION.
An Attachment for the Head for Supporting Optical Instruments
in Position.
1, JAMES AITCHISON, of 47 Fleet Street, London, E.C., and of 6 Poultry,
London, E.C., Oculist Optician, do hereby declare the nature of my said invention
to be as follows:-
The object of my invention is to manufacture an appliance for supporting optical
instruments, and holding the same in position for observation, without requiring the
aid of the hands in so doing.
My invention consists of a head band, surrounding or partly surrounding the
upper part of the head, the length of the band being adjustable by means of
buckles, elastic bauds, springs, or analogous appliances, to suit the size of the head.
The bands are also varied in order to adapt them to the particular kind of
instrument required to be supported.
The method of attaching the instrument to the band, depends upon the nature of
such instrument and the amount of leverage to be counteracted in order to secure
and retain the line of vision, and other requirements in connection with the use of
various optical instruments.
I sometimes attach the head band to a cap or other head gear, so that both may
be worn together, or auxiliary supports may be fitted in combination with the band
to hold the instrument steady whilst in position.
Dated 23rd June 1894.
GEO.
DOWNING,
8, Quality Court, London, W.C., Agent.
COMMEN
DIVIFICATION
An Attachment for the Head for Supporting Optical Instruments
in Position.
I, JAMES AITCHISON, of 47 Fleet Street, London, E.C., and of 6 Poultry,
London, E.C., Oculist Optician, do hereby declare the nature of my said invention
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:—
The object of my invention is to manufacture appliances for supporting optical
instruments, and holding the same in position for observation, without requiring the
aid of the hands in so doing.
In addition to and in combination with the said appliances, I provide head bands
surrounding or partly surrounding the upper part of the head, the lengths of the
bands being adjustable by means of buckles, elastic bands, springs, or analogous
appliances, to suit the size of the head. The bands are also varied in order to
adapt them to the particular kind of instrument required to be supported.
The construction of the intermediate and auxiliary appliances, and the methods
of attaching the instrument to the band or bands, and the bands to the head,
depend upon the nature of the instrument and the amount of leverage to be
counteracted, in order to secure and retain the line of vision, and other requirements
in connection with the use of various optical instruments.

page_text: 1 sometimes attach the head band to a cap or other head gear, so that both the
band, or its equivalent, and the aforesaid auxiliary or other appliances or supports,
may be worn with the cap or other head gear.
And in order that my said invention may be particularly described and
ascertained, reference is hereby made to the accompanying drawings, in which
similar letters and figures of reference indicate corresponding parts.
Fig. 1 is a plan view, showing the method of attaching to the head one of my
improved opera glasses, described in Letters Patent No. 1016”.
Fig. 2 is n back elevation of the summe.
Fig. 3 is a front view of another form of sustaining appliance.
Fig. 4 is a plan view of Fig. 3.
Fig. 5 is a front elevation of Fig. 8.
Fig. 6 is a horizontal section of the appliance shown in Fig. 3, adapted to an
opera glass of the usual construction.
Referring to Figs. 1 and 2, 8 is a horizontal plate to which two arms 10, 10, are
pivoted at 9. The pivots
are formed by passing the rods 13, downwards, as shown
in Fig. 2, through the plate S. The plates 10, 10, are curved, as shown in Fig. 1.
the ends being slotted at 11. By means of these slotted ends, and a clamping
screw 12, the arms 10, 10, can be adjusted to any required angle to suit the face.
14 represents one of my patent aluminium opera glasses, fixed in position by passing
the two rods 13 through the plates, described in Letters Patent No. 1016", am
further secured by means of the screw 15 fitted to one of the rods 13. 16, 16 are
screw clamps attached to the rods 17, 17, to support the head bands 18, 18, in
position on the rods. These head bands are looped to the rods 17, as shown, and
are made of sufficient length to surround the upper part of the head, buckles,
springs, clasps, or other adjustable appliances being added thereto. 19, 19, are two
cushions, attached to the rods 17 by adjusting clamps 20, 20. These cushions or
pads are adjusted both augularly and vertically by means of the clamps 20, so as
to rest against the face of the wearer, at or near the cheek bones, and form fulcraig
to counteract the leverage of the opera glasses, when extended. In addition to
these face cushions or pads, I sometimes fit a nose-pad at 21, as herein after
described.
Referring to Figs. 3, 4, 5 am 6. a more simple form of my invention is shown.
22 is a flat plate, the upper and lower edges being flanged, for the purpose of
stiffening the plate and forming lugs to receive the rods 23, as shown. 24 is a
block to which the sliding rods 13, 13, are attached. These rods slide in the
block 26 attached to the plate 22. In Fig. 5 they are shown raised, ready to
receive the glass. In Fig. 3 they are shown lowered to the position assumed when
the glass is fixed thereto, as shown in Fig. 6. The third rod 27 attached to the
plate 8 in Figs. 1 and 2, and to the block 24, in Figs. 3, 4 and 5, is fitted with a
screw-head to prevent the accidental withdrawal of the rods. This rod 27 is
omitted in Fig. 6, and its function may be supplied by a chain or equivalent device.
The construction shown in Fig. 6 may be used with my improved glass, as shown
in Figs. 1 and 2, or with an ordinary glass 25, as shown in Fig. 6. In this form of
the appliance, I use four straps, instead of two; the straps being looped together
at each side of the head by means of buckles or otherwise, to hold the glass stendily
in the absence of face pads. The nose-pad 28 renders the appliance firm and
steady, while being worn and prevents the glass falling out of the line of vision.
The metallic portions of my invention are preferably formed of aluminium to
secure lightness.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The method of and means and appliances for supporting optical instruments,
substantially as and for the purposes described.
2. In attachments for the head for supporting optical instruments in position as

page_text: aforesaid, the combination of one or more head band or bands for supporting and
retaining in position suitable appliances to which optical instruments may be affixed,
substantially as herein before described and illustrated by the drawings.
3. The general construction, arrangement, and combination of the several and
respective parts, together forming my invention of an attachment for the head for
supporting optical instruments in position, substantially as herein before described
and illustrated by the drawings.
Dated 23rd January 1895
GEO.
DOWNING,
8, Quality Court, London, W.C., Agent.