Improvements in Binding Carriers for Artists' Canvases and such like Articles.
Year: 1892

page_text: Date of Application, 13th Dec., 1892
Complete Specification Left, 28th Aug., 1893-Accepted, 28th Oct., 1893
PROVISIONAL SPECIFICATION.
Improvements in Binding Carriers for Artists' Canvases and such
like Articles.
I, GEORGE DOUGALL, of Ravenswood, Causewayhead Road, in the Town and
County of Stirling, Manufacturer, do hereby declare the nature of my invention to
be as follows:-
This invention has reference to and consists of a new or improved construction
of separating and gripping clip plates and bands for securing and carrying sets or
bundles of two three or more artists' canvases, panels, or other such like articles, as
photographic plates, which have prepared surfaces that require to be compactly
secured together without their prepared or painted surfaces getting rubbed or
injured on the others, and which clips are susceptible of considerable modification
to suit the form and number of the articles to be so bound together.
One general construction of each clip part, suitable where the articles to be so
secured are all nearly the same size, consists of a thin flat plate of a length to lay
across the side edges of the set of canvases to be secured and with a semicircular or
other shaped separating parallel cross piece on the one inner side for insertion
between the canvases or other articles to be bound together; that is one for two
pictures or canvases and two for three and so on, to separate and retain them at a
sufficient distance apart that their adjacent protected faces cannot get injured. On
the other or outside of each plate one or two cross shallow slotted projections
would be formed for thin binding band straps to pass through, preferably elastic
bands, or bands with parts elastic, or it might be leather bands with buckles for the
heavier class of articles. These clips would preferably have sharp points on their
inner face to enter the edges of the canvas and prevent either from shifting and two
of these clips would be placed opposite each other at the edges some distance from
the ends and have one binding strap passed through the outer slotted projection of
each pair of clip plates and so bind the whole set of canvas stretchers or such
articles together at a little distance apart. Instead of forming these clips flat to
grip the edges some distance from the ends of the canvases, they might be made of
right angle knee shape to embrace or grip the corners, with a thin parallel gusset
separating piece, and have the cross hollow or slotted projections formed on the
outside of each limb of this angled clip, for the binding straps to pass through and
bind the whole set at the four corners by one long strap. These clips would
preferably be made of metal, but they might be made of vulcanite, india-rubber,
papier-máche, leather or other suitable sufficiently hard substance; also for large
bundles, or sizes of canvases, or other articles the straps or clips would be fitted
with leather or equivalent carrying handles, having both upper clips joined in one
plate of suitable length and both lower clips on a corresponding plate, the whole
held by leather or other handles, or otherwise.
Dated the 12th December 1892.
W. R. M. THOMSON & CO.,
96, Buchanan Street, Glasgow, Agents.

page_text: COMPLETE SPECIFICATION.
Improvements in Binding Carriers for Artists' Canvases and such
like Articles.
I, GEORGE DOUGALL of Ravenswood, Causewayhead Road in the Town and
County of Stirling, Manufacturer, do hereby declare the nature of my invention,
and in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement, in writing that is to say :-
This invention has reference to and consists of a new or improved construction of
separating, and gripping clip plates, and bands for securing, and carrying sets or
bundles of two, three, or more artists' canvases, pannels, or other such like articles,
as photographic plates, which have prepared surfaces that require to be compactly
secured together without their prepared, or painted surfaces getting rubbed or
injured and which clips are susceptible of considerable modification to suit the form,
and number of the articles to be so bound together.
And in order that my said invention, and the manner of performing or carrying
the same into effect or practice may be properly understood,
have hereunto
appended an explanatory sheet of drawings in which the same reference letters are
used to indicate corresponding parts in all the figures where shown.
Figure 1 is an elevation of a binding carrier as constructed in accordance with
one arrangement of my improvements.
Figure 2 is an inverted plan view of one of the binding plates, and
Figure 3 is an end elevation of the upper half of the carrier shown in Figure 1.
Figures 4, 5 and 6 are a perspective elevation, plan view, and end elevation
respectively illustrating the arrangement of binder shown in Figures 1 to 3 as
carrying a pair of artists canvases. And
Figure 7 represents an elevation and inverted plan view respectively of the
upper carrier plate, and fittings showing modified arrangements of my improve-
ments while
Figure 8 represents elevations at right angles and a plan view respectively of
another arrangement of my improvements.
Referring to these drawings:
:-
One general construction of the clip part, suitable where the articles to be so
secured are of the same size, consists of a pair of thin flat plates a of a length to
lay across the top and bottom side edges of the set of canvases A to be secured,
and preferably formed with ridged or fluted longitudinal edges a* having sharp
points a projecting down at their ends to enter, and grip the canvases A, A.
Each plate a is fitted on its inner surface with a pair of semicircular or other
shaped separating parallel cross pieces or feathers a¹ preferably rivetted to same
for insertion between the canvases A or other articles to be bound together; that
is one set in each plate for two pictures or canvases A, and two for three, and so
on, to separate and retain them at a sufficient distance apart, that their adjacent
protected faces cannot get injured. These plates a would have straps of leather b
rivetted, or secured on their outer surfaces, and have loops or spaces between the
rivets for band straps c to pass through to secure, and tighten the articles A, A, up;
while the top strap a would be formed with a handle b¹ for portably carrying the
whole about. Or instead of leather or flexible straps 6 metal straps or clips 62 may
be rivetted or secured to the plates a as shown in Figure 7. Or the ends of these
clips may pass through the plates a, and have sharp points to enter the edges of
the canvas, and prevent either from shifting. Instead of forming these clips 6³ flat,
they might be made of right angle knee shape, as shown at 63 Figure 7 to embrace
or grip the corners of the canvases, and be formed with a thin parallel gusset
separating piece a', and have the cross hollow or slotted projections 62 formed on
the outside of each limb of this angled clip for the binding straps to pass through
and bind the whole set at the four corners.
In the arrangement shown in Figure 8 the plates a are only formed the length

page_text: of the canvas separating feathers a and their end corners a" are formed of a prong
shape to grip into the canvases and the strap or straps c which might be elastic is
or are inserted through the buckle plates 62 to firmly bind the four small clip
plates a to the canvases. These plates would preferably be made of metal, but
they might be made of vulcanite, india-rubber, papier-mache or other suitable
sufficiently hard substance.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is performed, I declare that what I
claim is :-
First. The constructing of binding carriers for artists canvases, and such like
articles with top and bottom plates, canvas separating devices near their ends,
straps or equivalent securing fittings and carrying handles substantially as herein
described in reference to, and by way of application shown in the accompanying
drawings.
Second. The fitting, and use of plates for securing, and carrying artists canvases,
and such like articles with central projecting cross pieces or feathers on their inner
surface near their ends for the purpose of separating the articles to be bound
together, substantially as herein described in reference to, and by way of application
shown in the accompanying drawings.
Third. The arrangement and use of two or more separating intermediate cross
pieces or feathers at distances apart on the upper and lower edges of the canvases or
like articles, substantially as set forth.
Dated 19th August 1893
W. R. M. THOMSON & Co.,
96, Buchanan Street, Glasgow, Agents.