Improvements in Photographic Printing Frames.
Year: 1895

page_text: Date of Application, 28th June, 1895
Complete Specification Left, 28th Mar., 1896-Accepted, 2nd May, 1896
PROVISIONAL SPECIFICATION.
Improvements in Photographic Printing Frames.
I, EDWARD MOSELY L.D.S. of 314 Regent Street London in the County of
Middlesex do hereby declare the nature of this invention to be as follows:-
This invention relates to photographic printing frames; more especially to the
method of arranging the pressure boards employed for keeping the sensitive
material in contact with the negative. With those at present in use it has only
been possible to examine during the process of printing half or less of the photo-
graphic print at one time. The object of my invention is to provide means to
enable considerably more than half of a print to be examined at one operation. In
order to effect this I make the back now made in two parts hinged together &
known as the pressure board, of three or any greater number of parts preferably
hinged together (but not of necessity) & of which parts those at the extreme ends.
must be each less in width than one half the length of the said pressure board; &
each part provided with or without a corresponding & separate spring or appliance-
for the purpose of ensuring that each individual part shall take its share in keeping
the print securely in contact with the negative. It is obvious that with this
arrangement any one of these parts will be sufficient to prevent the relation of the
print to the negative being altered, consequently all the remaining parts can be
released & removed when all of the print except the fraction covered by the
unreleased part can be examined.
0010105
Improvements in Photographic Printing Frames.
I, EDWARD MOSELY L.D.S., of 314 Regent Street, London, in the County of
Middlesex, 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 :-
In carrying out my invention I make the back of the printing frame of three or
more sections, & of these sections those at the extreme ends are each less in width
than one half the length of the back, & each part may or may not be provided.
with a spring or appliance for the purpose of retaining the back in secure apposition
with the negative.
Figure 1 shows a frame fitted with a back constructed of four sections the
pressure being applied by springs of a usual type attached to the frame.
Figure 2 shows a frame fitted with a back constructed of three sections the
pressure being applied by springs of another usual type also attached to the frame.
In Figures 3 & 4 are shown frames fitted with backs constructed of three sections.
but the springs are attached to the two outer sections of the back. Thus a'a¹ are
the springs, 661 are pivots securing the springs to the sections & upon which.
the springs are free to rotate, c c are notches formed in the springs, d is a fixed
projection, so situated & of such a shape that if either of the springs be rotated, the:
[Pain 11

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notches c c will engage with it & lock the adjacent sections together, as shown in
Figure 4, when they will behave as one section; the free end of the spring forming
a convenient handle for raising the section from which the pressure has been
removed & the section or sections locked to it; enabling so much of the printing
surface as was covered by them to be seen. The advantage of locking the sections
is that they can be raised replaced together & therefore less clearance is required.
Having now particularly described & ascertained the nature of my said inven-
tion & in what manner the same is to be performed, I do declare that what I
claim is,
1. A pressure board or back for photographic printing frames constructed of
three or more sections of which the outer ones are less in width than one half the
length of the back.
2. A spring to be attached to each or any of the sections of the back.
3. A device enabling the sections to be locked together by means of the spring
as above described & figured.
4. The use of each of the above either alone or in combination with each other.
Dated the 28th day of March 1896.
EDWARD MOSELY, L.D.S.