An Improved Mounting for Reading Lenses, Magnifying Lenses, and the like.
Year: 1897

page_text: Date of Application, 4th June, 1897
Complete Specification Left, 28th July, 1897-Accepted, 4th Sept.,
1897
PROVISIONAL SPECIFICATION.
An Improved Mounting for Reading Lenses, Magnifying Lenses,
and the like.
NATHANIEL DAVIDSON 27 Wallace Road Canonbury London N. Optician do hereby
declare the nature of this invention to be as follows:-
My Invention relates to a novel device for mechanically holding a Reading Lens in
any desired position as required by the person reading by means of two Horizontal
& Parallel Rods or Guides joined together by suitable end pieces, which end pieces
are fitted with studs or pins at centre. These studs are capable of revolving in, or
sliding up and down, slots in two uprights, and held in any desired position by
Binding Screws. These uprights are both joined to one spindle at bottom which
spindle revolves in two suitable bearings, so that the top of uprights may be moved
towards or away from the person Reading, as required. The frame containing lens
has 2 sockets on either side which Sockets slide along the horizontal and parallel
rods, so that the lens may be moved to the right or left as desired.
The whole is mounted on a suitable base or stand with reading desk or other fittings
as desired.
I will now proceed to describe my Invention specifically and with the aid of the
accompanying drawings in which like letters, refer to like parts throughout the
different views and in which
Figure 1 is Front Elevation.
Figure 2 is End Elevation.
Figure 3 is End Elevation with lens in a position for reading.
Figure 4 is Plan.
"a a¹" are horizontal and parallel rods or guides-on which a lens frame "6"
Slides by means of the Sockets c, c¹, c², c³-"d d'" are suitable 'end pieces joining
rods "a, a "together "e el "are uprights Slotted out to receive Studs or pins-which
pins are fastened to centre of end pieces "dd¹"<< gg" are binding screws, to retain
guides a" and lens frame "b" at any desired height on uprights "e e¹."
uprights"
e, el are joined together at bottom by a Spindle "h" which moves in
suitable bearings "ii" "k" is a semi circlé Slotted out to receive a Stud or pin-
which pin is fastened to upright "el."
"
68
a
"
m is a binding Screw to retain uprights "e e¹ " in any desired position.
The
The whole is mounted on a suitable base or Stand "n" which is shown throughout
the drawings in dotted line, and which may be fitted with sloping book desk or other
arrangement as desired.
It will thus be readily understood that uprights "e" and "e¹ together with end
pieces "d" and "d"-parallel rods "a, a" and lens frame "6" can be moved
towards or away from the person reading, by means of the Spindle "h" working in
bearings "i" and held in any desired position by means of semi-circle "k" and
binding Screw "m." Also that lens frame "6" can be moved to the right or left by
means of sockets c, c1, c2, c³ sliding on guides "a, a¹" and that the end pieces "d d'"
together with parallel rods "a a" and lens frame "6" can be moved to any desired
[Ruins Qd 1

page_text: angle, by means of centre pins, joined to end pieces "dd¹" revolving in slots of
uprights "e e¹."
And further that end pieces "d d¹" together with parallel rods "a a" and lens
frame "b" can be raised or lowered by means of studs sliding in slots of uprights "ee""
and held in any desired position by binding Screws "g" and "g'."
D
1007
An Improved Mounting for Reading Lenses, Magnifying Lenses
and the like.
NATHANIEL
で
DAVIDSON 27 Wallace Road Canonbury London N. Optician
do hereby declare the nature of this invention and in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement:
My Invention relates to a novel device for mechanically holding a reading or
magnifying lens in any desired position as required by the person reading by means
of 2 horizontal & parallel rods or guides joined together by suitable end pieces
which end pieces are fitted with studs or pins at centre. These studs are capable of
revolving in, or sliding up and down slots in 2 uprights and held in any desired
position by binding screws. These uprights are both joined at bottom to a spindle
and the spindle revolves in 2 suitable bearings so that the top of the uprights may
be moved towards or away from the person reading as required. The frame
containing lenses has 2 sockets on either side which sockets slide along the parallel
rods so that lens may be moved to the right or left as desired. The whole is
mounted on a suitable base or stand with reading desk or other fittings.
I will now proceed to describe my Invention specifically and with the aid of the
drawings filed with my Provisional Specification in which like letters refer to
like parts throughout the different views and in which
Figure 1 is "Front Elevation."
Figure 2 is "End Elevation."
Figure 3 is "End Elevation" with lens in a position for reading.
Figure 4 is "Plan."
"a a¹
"
a a¹
وو
"
are horizontal & parallel rods or guides on which a lens frame "b"
slides by means of the sockets "c, c¹, c², c³" "dd are suitable end pieces joining
rods "
together "eel" are uprights slotted out to receive studs or pins which
pins are fastened to centre of end pieces "d dig g₁" are binding screws to
retain guides "a, a" and lens frame "6" at any desired height on uprights "e e¹."
The uprights "ee" are joined at bottom by a spindle "h" which moves in
suitable bearings i "k" is a semicircle slotted out to receive a stud or pin
which pin is fastened to upright sel
m is a binding screw to retain
uprights "ee" in any desired position.
"
"
"
The whole is mounted on a suitable base or stand "n" which is shown throughout
the drawings in dotted line.
It will thus be readily understood that uprights "ee" (together with end
pieces "d d¹," parallel rods "a a" and lens frame "6") can be moved towards or
away from the person reading by means of the spindle "h" working in
bearings "21" and held in any desired position by means of semicircle “k” and
binding screw m."
66

page_text: Also that lens frame "6" can be moved to the right or left by means of
sockets "
c, c', c2, c," sliding on guides a a¹.
And that the end pieces "d d¹" (together with parallel rods "a a¹" and lens
frame "b") can be moved to any desired angle by means of the centre pins joined
to end pieces "d" revolving in slots of uprights "e e." And further that end
pieces "1" (together with parallel rods "a, a¹" and lens frame "6") can be
raised or lowered by means of the studs joined to end pieces "d d'" sliding in
slots of uprights "e e¹ and held in any desired position by binding screws "g gl."
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
In connection with reading lenses magnifying lenses and the like.
1. A frame carrying a lens sliding between parallel guides which parallel guides,
revolve in or on a centre in the manner set forth.
2. Two uprights on the same axis at their lower ends and the free or upper ends
of same capable of being moved towards or away from the person reading, the
uprights having affixed to them the lens and mountings in such a manner as to
permit the lens and mountings being raised or lowered as may be required in the
manner set forth.
Dated this 28th day of July 1897