improvements Del Fasteners.
Year: 1898

page_text: Date of Application, 18th Oct., 1898
Complete Specification Left, 11th Jan., 1899-Accepted, 1st Apr., 1899
improvements Del Fasteners.
I, ERNEST MARRIAGE, Engineer, Broad Quay Iron Works, Bath, in the County
of Somerset, do hereby declare the nature of this invention to be as follows:-
This invention consists in the improvements of belt fasteners hereinafter set
forth, which belt fasteners are used for joining together the ends of all flexible
bands or belts that are used for the transmission of power or the conveyance of
materials,
دو
"
"
For the above purpose I provide round solid pieces of steel, iron, or other
suitable material hence forward referred to as clamping screws."
These clamping screws vary in length and diameter, and are made accord-
ingly to suit the thickness, width and nature of the belts or bands to be fastened
together. There is on one end of these clamping screws a thread cut or formed
and at the other end of the same a round, square, or hexagonal, solid head, so
made that it can be rotated by a spanner, key screw driver, or other suitable
means. The above mentioned head is larger in diameter than the body or stem
of above mentioned "clamping screw," but formed out of the same piece of
material, and solid with the said clamping screw. I next provide clamping
plates" of steel, iron or other suitable material, which are made of various
widths, thicknesses and lengths, each of above "clamping plates" having a hole
drilled or punched through the centre of same, and two of these " clamping
plates" and one "clamping screw "form a complete belt fastener. In a pair
of these clamping plates when used for a belt fastener as above described,
the hole in one of the said "clamping plates" is made of such a size that the
body or stem of the clamping screw will easily pass through, but not the
head of the same. The other clamping plate" has a screw thread cut or formed
in the hole through the same, that will fit the screwed end of above mentioned
clamping screw.
"
"
The surfaces of the "clamping" plates where they press upon the backs of the
two pieces of belt or band to be joined together, are curved in such a manner,
so as not to present a sharp edge, or corner to the belt or band and injure the
same while it is working, and also that as a greater tensile strain is put upon
the belt while working, the greater will be the pressure with which the two
inside or working surfaces of the belt are pressed together by the pair of "clamp-
ing plates."
The clamping plates" are also made of such a section that when they are
placed upon the "clamping screw," either one way or the other, they can be
adjusted so that the same shape of curved surface will be pressing upon the back
of the belt, so as not to injure the same and also to press the two inside or work-
ing faces of the belt together as above described.
I combine and utilize the pair of "clamping plates" and the "clamping
screw to form a belt fastener in the following manner.
"
I take the two ends of the belt or band to be joined together, and punch

page_text: "
through such ends, the required number of holes for the "clamping screws
according to the width of the belt, and the number of belt fasteners required,
these holes to be of such a size and in such a position in the belt, that the stem
or body of the " clamping screw will pass through the same when the two
inside or working faces of the belt are exactly opposite one another and also the
two extreme ends of belt are level.
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I next take one of the clamping plates" that has a hole through it large
enough to pass easily over the stem or body of the clamping screw and slide
this clamping plate" on the clamping screw up to the head of the same.
I then place the two inside or working faces of the belt together where it is
to be joined and push the screwed end of the "clamping screw
which already
has loose clamping plate" on same through holes in both pieces of belt.
"
"
""
I then take the other clamping plate" that has the thread cut or formed
in the hole through same and place it with this hole opposite the screwed end
of the clamping screw that has already been passed through the two ends of
the belts. I then rotate the "clamping screw by a spanner, screw driver, or
other suitable means fitted to the head of same, so that the screwed end of the
clamping screw screws itself through the threaded hole in the " clamping
plate." I then adjust the two "clamping plates" in their correct positions on the
backs of the belts, and finally rotate the "clamping screw until the two inside
faces of the belt are drawn up tightly together between the two "clamping
plates" which are acted upon by the rotation of the "clamping screw."
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The advantages claimed for my improved helt fastener are as follows. This
belt fastener can be used for joining all classes of flexible bands or belts without
the likelihood of its tearing out of the same when in work. This results from
the fact that the tensile strain on the belts is transferred as a tensile strain to
the clamping screws," which screws have already compressed the two inside
faces of the belts together, and any extra strain on the belt tends to compress
them still tighter together, because one clamping plate" fits loosely over the
body or stem of clamping screw," and as each clamping plate" covers a large
area of the back of the belt, the tendency of this fastener to tear out of the ends
of the belt is prevented.
"
A second advantage of this belt fastener is that while the belt is in use it is
impossible for the clamping plate" that screws on the end of the "clamping
screw "to turn round, and so work loose the action of the belt locking the above
clamping plate" in one position.
"
1:
A third advantage claimed for this belt fastener is, that by using a clamping
screw as above described the same fastener can be used for thick, and thin
belts, the screw drawing the "clamping plates" together so as to compress the
belts as required.
A fourth advantage claimed for this belt fastener is, that the surface of each
side of the "clamping plates" is shaped to the same curve, so that in putting
the joint together either side can be adjusted so as not to injure the belt, and
also to secure the important compressing effect on the ends of the belt at the
joint, claimed for my improved belt fastener.
Dated this 17th day of October 1898.
ERNEST MARRIAGE.
Improvements in Belt Fasteners.
I. ERNEST MARRIAGE, Engineer, Broad Quay Iron Works, Bath, in the County 50.
of Somerset, do hereby declare the nature of this invention and in what manner

page_text: the same is to be performed, to be particularly described and ascertained in and
by the following statement:-
The invention consists in improvements in belt fasteners herinafter set forth.
By my invention I make a belt fastener suitable for joining together the ends
of all flexible bands or belts, that are used for the transmission of power or the
conveyance of materials, such fastener is formed out of a number of separate
paris hereinafter described.
I provide round solid pieces of steel, iron or other suitable material hence
forward referred to as clamping screws. These clamping screws vary in length
and diameter as required, by the thickness of the belt or band to be fastened
together. There is on one end of these clamping screws a thread cut or formed,
and on the other end of the same a round, square or hexagonal head, that can
be rotated by a spanner, key, screw driver, or other suitable means.
The above mentioned head is larger in diameter than the body or stem of above
mentioned clamping screw, but formed out of the same piece of material.
I next provide two clamping plates of steel, iron, or other suitable material,
which are made of various widths, thicknesses and lengths, each of above clamp-
ing plates has a hole drilled or punched through the centre of same, the hole
in one of them having a thread cut or formed in it, so that it will screw on the
screwed end of the clamping screw.
The hole in the other plate is made large enough to slide loosely over the
body or stem of the said clamping screw.
Each side of these two clamping plates is curved or shaped in a similar
manner, and is of such a curve or shape, so as not to present a sharp edge or
corner to the belt and injure same when in use.
These clamping plates are also made of such a section, that when fastening
two ends of a belt together by my improved belt fastener, they can be placed
upon the clamping screw either one way or the other and can then be adjusted
so as not to injure the belt as before mentioned.
I combine and utilize the clamping plates and clamping screw to form a belt
fastener in the following manner.
I take the two ends of the belt d and e that is to be joined together, and punch
through such ends the required number of holes for the clamping screws a
according to the width of the belt and the number of belt fasteners required,
these holes to be all in one line at right angles to the edge of the belt, and in
such a position, that when the clamping screws a pass through the said holes,
the two inside or working faces of the belt are exactly opposite to one another
and the two extreme ends of the belt are level. I next take the clamping plate
that will pass loosely over the stem of the screw a and slide it up to the head
of the said screw.
I then push the screwed end of this clamping screw a (which already has the
clamping plate b on the same) through the holes in the ends d and e of both
belts.
I then take the clamping plate c which has a thread cut or formed in the hole
through same, and place it with this threaded hole opposite the screwed end
of the clamping screw a that has already passed through the ends of the belt d
and e.
I then rotate the screw a by a spanner, screw driver, or other suitable means
so that its screwed end, screws itself through the threaded hole in the clamping
plate c.
I then adjust the two clamping plates b and c in their correct position on the
back of the belt, and finally rotate the clamping screw a until the two inside
faces of the belt are drawn up firmly together.
I then fix other similar fasteners in the belt in a like manner, until there is
a line of them completely across the back of the belt.
The action and advantages of my improved belt fastener are as follows.
This belt fastener can be used for joining all classes of flexible bands or belts,

page_text: without the liklihood of its tearing out of the same when in use, this results
from the fact that the tensile strain on the belt, is transferred as a tensile strain
to the clamping screws, which screws have already compressed the two inside
faces of the belts together, and any tensile strain on the belt tends to compress
them still tighter together, because one clamping plate fits loosely over the
stem of the clamping screw and is thus capable of movement, and as each clamp-
ing plate covers a large area of the back of the belt any tendency of this fastener
to tear out of the ends of the belts is prevented.
It is also impossible for the clamping plate that screws on end of clamping
screw to turn round and become loose, the action of the belt locking it in one
position when in use.
It is further claimed for this belt fastener that the same fastener can be used
for belts of various thicknesses, the screw drawing the belts firmly together, by
means of the clamping plates, also each side of the clamping plates being of
similar shape, they cannot be put on the clamping screw the wrong way, but
can be adjusted so as not to injure the back of the belt, and also secure the
compressing effect on the ends of the belt before mentioned.
I will now proceed to describe in reference to the accompanying drawings the
manner in which my invention is constructed and used, similar letters refer to
similar parts throughout the several views.
Figure, 1, represents a side elevation of a belt joint complete.
Figure, 2, represents an end view of Figure 1.
Figure, 3, represents a plan of Figure 1.
Figure 4 represents an end view of the belt fastener by itself.
Figure 5, represents a plan of Figure 4.
Figure 6 represents the clamping screw .
Figure 7 represents a sectional view of the clamping plate b through fg
Figure 5.
Figure 8 represents a sectional view of clamping plate c through f g Figure 5.
Figure 9 is a side view of Figures 7 and 8.
My invention of an improved belt fastener was carefully described in my
Provisional Specification.
The drawings and description in this my Complete Specification particularly
describe the nature of my invention.
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:-
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A beit fastener made in the manner illustrated and described in reference to
Figures 1, 2, 3, 4, 5, 6, 7, 8 and 9.
Dated this 10th day of January 1899
ERNEST MARRIAGE.
Broad Quay Iron Works, Bath.