CERTAIN IMPROVEMENTS IN PRESSEN FOR COTTON AND OTHER ARTICLES.
Year: 1873

page_text: LETTERS PATENT to Henri Adrien Bonneville, of the British and
Foreign Patent Offices, 18, Rue de la Chausseé d'Antin, Paris,
France, and 6, Piccadilly, in the County of Middlesex, Patent
Agent, for the Invention of "CERTAIN IMPROVEMENTS IN PRESSEN FOR
COTTON AND OTHER ARTICLES.". -A communication from Benjamin
Green Martin, residing in the City, State, and County of New York,
TT
COMPLETE SPECIFICATION filed by the said Henri Adrien Bonneville
at the Office of the Commissioners of Patents, with his Petition
and Declaration, on the 27th March 1873, pursuant to the 9th
Section of the Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, HENRI
ADRIEN BONNEVILLE, of the British and Foreign Patent Offices, 18, Rue
de la Chausseé d'Antin, Paris, France, and 6, Piccadilly, in the County
of Middlesex, Patent Agent, send greeting.

page_text: WHEREAS I am in possession of an Invention for "CERTAIN IMPROVE-
MENTS IN PRESSES FOR COTTON AND OTHER ARTICLES," communicated to me by
Benjamin Green Martin, a person resident at the City, State, and County
of New York, United States of America, Manufacturer, and have
petitioned Her Majesty to grant unto me, my executors, administrators,
and assigns, Her Royal Letters Patent for the same, and made solemn
Declaration that it is a communication.
NOW KNOW YE, that I, the said Henri Adrien Bonneville, do hereby
declare that the following Complete Specification, under my hand and
seal, fully describes and ascertains the nature of the said Invention,
and the manner in which the same is to be performed, reference being
had to the accompanying Drawings and to the figures and letters marked
thereon, that is to say :-
This Invention consists in the arrangement of two or more swivel
braces which are secured at one end in a disk that revolves in the head
block of the press, while their other ends are secured in a slide which
carries one more pawls that engage with ratchet teeth cut in the stem of
the follower in such a manner that by turning the disk in one direction
the follower is forced towards the foot block of the press with great
power, and by turning the disk in the opposite direction the slide is
drawn back and the pawls are enabled to take a fresh grip ready for the
subsequent forward motion of the follower. On the head block of the
press are secured stop pawls which prevent the follower from receding
when the disk is turned back%; both the stop pawls and the moving
pawls are connected to levers which serve to throw them in or out of
gear with the ratchet teeth of the stem of the follower.
This Invention is illustrated in the accompanying Drawing, in which
Fig. 1 represents a sectional side view of this Invention; Fig. 2 is a
plan or top view of the same; Fig. 3 is a similar view of a modification
of the same.
Similar letters indicate corresponding parts.
The letter A in these Drawings designates the head block of the press
which connects by rods B with the foot block C. The rods B-form the
guides for the follower D and for a slide E, and in the head block is
fitted the hub F of a disk G in such a manner that said disk can be

page_text: freely revolved in either direction, while it is prevented from becoming
detached from said head block. In the surface of the disk are formed
bearings a for two or more swivel braces H, and similar bearings 6 are
provided in the surface of the slide E, the ends of the swivel braces being
made spherical as shown, while the bearings a and b are of such a nature
that they allow the braces H to assume a horizontal or inclined position.
If the disk G is turned so as to bring the swivel braces in an horizontal
position the slide E is forced away from the head block, and if the disk
is turned so as to bring the braces in an inclined position (see Fig. 2),
the slide E is drawn towards the head block. A lever I serves to turn
the disk in either direction.
•
From the follower D extends a stem J through the slide E, and
through a hole in the centre of the disk G, and in the sides of the stem
are cut ratchet teeth c which point towards the head block. On the
slide E are secured two pawls K, K, which are situated on opposite sides
of the stem and connect by a link d, and a rod do with a lever N; this
lever is subjected to the action of a spring e which has a tendency to
retain the same in such a position that the pawls K, K, are kept in gear
with the ratchet teeth c on the stem of the follower, but by moving
said lever against the action of its spring both said pawls are thrown out
of gear with the ratchet teeth c.
From the head block A project two standards f in which are secured
pawls L, L; these standards are situated on opposite sides of the stem J,
and the pawls L, L, are connected by a spring g, and to each of them is
secured a rod M. so that by the action of said spring the pawls are held
in gear with the ratchet teeth on the stem J, and by compressing the
rods M. said pawls are thrown out of gear. A suitable hook or latch
serves to retain the rods M after the same have been compressed so as to
hold the pawls out of gear as long as may be desirable.
The material to be pressed is placed between the follower D and the
foot block C, and by turning the disk G in the proper direction the
follower is forced up towards the foot block by the action of the swivel
braces H. In this position the follower is retained by the stop pawls L, L,
while the slide E with the working pawls K, K, is caused to move back
by reversing the motion of the disk G. The working pawls are thus
enabled to take a fresh grip in the teeth on the stem of the follower;

page_text: and if the disk G is again turned forward, the follower is forced again
towards the foot block, and by repeating this operation the material
between the follower and the foot block can be compressed to any desired
degree. After the desired pressure has been exerted, the pawls K, K,
and L, L, are thrown out of gear with the teeth on the stem of the
follower, and the follower is moved back by tackle blocks and pulleys,
or by any other suitable means ready for a subsequent charge. This
press is comparatively simple in its construction. The stem of the
follower is guided in the slide E and in the head block A, and the
swivel braces on being brought from an inclined to a horizontal position
and on the slide E with an immense power without producing much
friction, so that a comparatively small force is required to move the
follower with very great power towards the foot block of the press.
The press box is provided with doors which can be opened as may be
requisite, for the introduction or removal of the material, and which are
closed while the press is in operation.
Instead of using only one set of swivel braces, as shown in Fig. 1
and 2, I can use two sets, as shown in Fig. 3. In this case the disk G
connects with the head block A by one set of swivel braces H°, and with
the slide E by another set H. The stem of the follower is made round,
and it forms a guide for the disk G. The pawls K, K, and L, L, may be
surface of the stem J, or said stem
so constructed that they grip the
may be provided with ratchet teeth, as previously described.
By employing two sets of swivel braces the motion of the follower
is doubled for each stroke of the disk G, while the power of the press
is not diminished, and consequently a press is obtained which works
more rapidly than the one with a single set of swivel braces.
Having thus described the nature of the said improvements, and the
manner of carrying them into effect, what I claim and desire to secure
by the said Royal Letters Patent is,―
1. The combination of swivel braces H with a disk G and a slide E,
and with the head block and follower of a press, substantially in the
manner herein shown and described.
2. The combination of working pawls K, K, and stop pawls L, L, with
the swivel braces H, disk G, slide E, head block A, and follower D, sub-
stantially as set forth.

page_text: 3. The releasing levers N, M, in combination with the pawls K, K,
and L, L, swivel braces H, slide E, follower D, and head block A,
substantially in the manner and for the purpose shown and described.
In witness whereof, I, the said Henri Adrien Bonneville, have
hereto set my hand and seal, this Fifteenth day of March, in
the year of our Lord One thousand eight hundred and seventy-
three..