IMPROVEMENTS IN MACHINERY AND APPARATUS FOR INSERTING BOBBINS IN CARRIAGES EMPLOYED IN BOBBIN-NET MACHINES.
Year: 1881

page_text: LETTERS PATENT to Henry Boden, of the Firm of Boden and Company, of
Derby, in the County of Derby, and Squire Whitehurst, of the same Place, for
an Invention of "IMPROVEMENTS IN MACHINERY AND APPARATUS FOR
INSERTING BOBBINS IN CARRIAGES EMPLOYED IN BOBBIN-NET MACHINES.
PROVISIONAL SPECIFICATION left by the said Henry Boden and Squire
Whitehurst at the Office of the Commissioners of Patents on the 17th
January 1881.
HENRY BODEN, of the Firm of Boden and Company, of Derby, in the County
of Derby, and SQUIRE WHITEHURST, of the same Place. "IMPROVEMENTS IN
MACHINERY AND APPARATUS FOR INSERTING BOBBINS IN CARRIAGES EMPLOYED
IN BOBBIN-NET MACHINES, AND ENTERING THE THREADS IN THE CARRIAGES."
Beneath a table top of suitable height we employ a plate, through which the
lower end of a spindle is passed and rests in a thimble. The bobbins to be entered in
the carriages are placed upon the spindle, the threads being held between cloth
covered clamps; the plate is raised by means of cords and weights as each bobbin
is displaced at the top. Each bobbin is held in position by the head of a piston
sliding in a bracket and held up by a spring coiled round it; there is a plate above
the table which presses the bobbin onto a verge, and a second plate which holds a
carriage in position. Below the table is a small crosshead guided by vertical
slides, a threading hook being attached to the cross head. Under the table is an
arm, on which the piston bracket slides. The vertical movement of the threading
hook is effected by means of a link attached to a treadle moved by the operator;
this link also rocks a lever, the upper end of which places each carriage into
position to receive a bobbin, the thread of which being drawn through the hole in
the carriage the process is repeated.
•

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Henry Boden and Squire Whitehurst in the Great Seal Patent Office
on the 17th May 1881.
HENRY BODEN, of the Firm of Boden and Company, of Derby, in the County of
Derby, and SQUIRE WHITEHURST, of the same Place. "IMPROVEMENTS IN
MACHINERY AND APPARATUS FOR INSERTING BOBBINS IN CARRIAGES EMPLOYED
IN BOBBIN-NET MACHINES, AND ENTERING THE THREADS IN THE CARRIAGES."
Beneath a table top of suitable height we employ a plate, through which the
lower end of a spindle is passed and rests in a thimble. The bobbins to be entered
in the carriages are placed upon the spindle, the threads being held between cloth
covered clamps; the plate is raised by means of cords and weights as each bobbin
is displaced at the top. Each bobbin is held in position by the head of a piston
sliding in a bracket and held up by a spring coiled round it; there is a plate above
the table which presses the bobbin onto a verge, and a second plate which holds a
carriage in position. Below the table is a small cross head guided by vertical
slides, a threading hook being attached to the cross head. Under the table is an
arm on which the piston bracket slides. The vertical movement of the threading
hook is effected by means of a link attached to a treadle moved by the operator;
this link also rocks a lever, the upper end of which places each carriage into
position to receive a bobbin, the thread of which being drawn through the hole in
the carriage the process is repeated.
Figure 1 is a plan of our improved machinery and apparatus.
Figure 2, a front view of the same, but without a certain stop and spring,
hereafter mentioned.
Figure 3, a right end view of the same; and
Figures 4 and 5, separate views of portions of the apparatus severally referred
to hereafter.
The corresponding parts in each Figure are indicated by the same letters where
necessary.
The whole consists of the following parts, namely:-A table top A supported by
two standards A', the feet of which are secured to a bed plate A2, which also forms
a support for other portions of the machine; B, B, are two upper plates which are
secured to and project over a lower plate B', which is of the same shape as the top
of the carriage which has to lie within it, and keeps the carriage in position to
receive a bobbin, at the same time the upper plates prevent the carriage rising
while a hook is passed up through the eye of the carriage and then descends.
Behind the above named plates are another pair of double plates C, the upper
ones of which stand up slightly above the plates B, and project a little
over a plate C', the top of which is level with the lower side of the plates B;
the plate C¹ is passed up through a slot in the table top, being held in position
by screws passing through a tab, at each end of the plate, under the table top,
and screwed into it. The plate C¹ has a circular hole through it, somewhat larger
than the bobbins to be entered. Behind the plate C¹ are a pair of vertical clamps D,
the clamping faces of which are covered with cloth or other suitable material,
between which the ends of the threads projecting from the bobbins are placed.
The clamps are hinged together at the back, as seen at Figures 1 and 3, one side of
the clamp being secured by screws to the vertical flange of a plate E which carries
them; this plate has a hole drilled through it to enable it to slide up and down a

page_text: bobbin spindle E', the lower end of which after being passed through a hole in a
clamp and bobbin carrying plate F, drops into a thimble forming the upper end of
a rod F, the lower end of which is firmly secured in the bed plate, the spindle
being held in the thimble by a curved plate spring F2, seen at Figures 2 and 3.
The plate E is shewn separately in plan at Figure 5, with the clamps D in position.
This plate has a stud on its lower side (shewn by a dotted ring) which drops into a
hole in the plate F; this with the bobbin spindle keeps the plate E in proper
position on the plate F. The plate F has four arms projecting from its sides near
the back, through which holes are drilled to enable it to slide up and down upon
two vertical rods F3 having their upper ends secured in the table top and their
lower ends in the bed plate, the plate F has two other arms, in each of which one
end of a cord or belt is secured. The opposite end after being passed over a
pulley F is secured to a drum H, round which a second cord or belt is passed
provided with a weight H¹; the pulleys revolve on axles secured in brackets G, the
lower end of which form bearings for one end of the drum axles, the other ends
being carried by the standards A¹. In front of the bobbin spindle is an L shaped
lever I which rocks on an axle secured in an arm carried by the right bracket G
before named. The axle carries a three ended dished spring, which pressing upon the
lever keeps it in the position it may be placed. In front of the lever I is a vertical
link J, the upper end of which slides in a bearing attached to the underside of the
table top, and the lower end in a bearing projecting from the rod F1; the bottom
of the link is hinged to a treadle K, and near the upper end of the link to the
right a boss projects, in which a hook K is secured by a set screw; this hook each
time the treadle is depressed by the operator rises up through the table top, and
through the eye of the carriage then in position; the hook receives a bobbin thread,
and on its descent draws such thread through the eye of the carriage. On the
left of the link, below the boss carrying the hook, two other bosses project, each
being provided with a set screw and lock nut, between which the lower end of the
lever I lies, and by which the traverse of the lever is adjusted; each time the
treadle is depressed the upper end of the lever presses upon a bobbin thread and
lays it on the stem of the hook, under the hook, thus ensuring the hook on its
descent drawing the thread through the eye of the carriage. In front of the link
is a die L for pressing the bobbin onto the verge of the carriage; this die is held to
the requisite height to guide the bobbin onto the verge by a spring L₁ pressing
upon its underside, the spring being secured to the underside of the table top. In
front of the die L is a stop piece M, the top of which lies flush, or nearly so, with
the top of the table, except when raised to the dotted line above the table, seen at
Figure 3, by a spring shewn by dotted lines at Figure 3, the spring being secured
to and raised by the link J as it rises to secure the bobbin thread. The stop piece
holding the carriage in position prevents the operator from drawing the carriage
out whilst the hook is in it. Near the front the table top is perforated at N and Ŏ;
these perforations allow of the passage of the carriages into two receptacles or boxes,
each provided with a door at the front to allow the piles of carriages to be taken
out.
Each box under the bottom has a bracket carrying a pulley secured to it; over
this pulley a cord is passed having its lower end attached to a cross piece N' or O¹,
in which two rods are secured, the upper ends of which pass through holes in the
bottom of the box, and carry an incline platform on which the carriages rest; the
upper end of each cord is attached to one of the drums H, before named. In
Figures 2 and 3 the inclined platforms are shewn at the bottom of the boxes with
the cords severed, but when in working order the bobbin spindle, carrying a pile of
full threaded bobbins, the cords being connected, the inclined platforms are at the
top of the boxes, level or nearly so with the top of the table, each platform falling
the depth of the thickness of one carriage as each bobbin is displaced by the
operator to enter it in a carriage. Each machine is provided with a stop plate to
drop into the perforation N when empty bobbins are not required to be taken out
of the carriages. Behind the carriage box N there is a circular perforation P

page_text: .
through the table top, under which a board is placed provided with a series of
bobbin spindles, each of which as it is filled with withdrawn bobbins is moved by
the operator so as to place another bobbin spindle under the centre of the
perforation. At the back of the perforation, to the right or left of the centre to
suit the right or left threaded bobbins, is a spring P', shewn by dotted lines in plan
at Figure 1; the inner end of this spring stands slightly above the table top, but
is secured to the underside; the inner end is rounded at the sides; such form
enables the spring to slip between the bobbin and the spring of the carriage, and
holds the carriage spring clear of the bobbin, while by a gentle pressure of the
fingers on the bobbin, it is forced out of the carriage onto the bobbin spindle as the
operator successively draws the carriages towards him and drops them into the
box N. An enlarged view of a bobbin and carriage with the carriage spring
withdrawn from the bobbin by the spring P' is shewn at Figure 4.
Having described each part of our improved machine separately, and their
several movements, we will now describe the combined movements thereof. Suppose
a number of full threaded bobbins are required to be placed in their carriages and
the threads entered through the eyes of the carriages the operator proceeds as
follows: He takes out the spindle E and clamp plate E, and places a pile of
threaded bobbins on the spindle, opens out the clamp, and lays the whole of the
outer ends of the bobbin threads across both sides of the clamps, which he then
closes, and secures the sides together; he then places the plate, clamp, spindle, and
bobbins in the machine, and after having laid a pile of empty carriages reclining
upon one another with the bottoms towards the front of the machine on the top of
the table behind the perforation P, and having stopped the perforation N with the
plate before named he proceeds to draw an empty carriage towards him and passes
it under the carriage plates B, whilst he slides the top bobbin out of the bobbin
plate C, passing it into the carriage plates B, the shoulders of which, in conjunction
with the die L, assisted by its spring, puts the bobbin into the carriage; the
operator then depresses the treadle with his foot, which raises the hook K and
stop M, and rocks the lever I, the top end of which, passing from side to side of
the slot at the back of the plates B, places the bobbin thread across the hook ;
then releasing the treadle the hook descends and takes the thread through the eye
of the carriage, which is then drawn from under the carriage plates; such
movement puts the spring onto the bobbin, such movements being successively
repeated for each bobbin and carriage. When a carriage is placed in position to
receive a bobbin just under the carriage spring there is a slight recess in the top of
the table, into which the spring is depressed as the bobbin is placed in the carriage,
the spring rises out of the recess and drops into the bobbin as the carriage is
drawn towards the operator, who then passes it into the carriage box O.
Having thus described our said Invention, and the manner of performing the
same, we declare that we claim the improved machinery and apparatus for
inserting bobbins in carriages and entering the threads in the carriages, substantially
as described and illustrated in the Drawings annexed.
In witness whereof, we, the said Henry Boden and Squire Whitehurst, have
'hereunto set our hand and seals, this Sixteenth day of May, in the year
of our Lord One thousand eight hundred and eighty one..
HENRY BODEN.
(L.S.)
Witness,
H. W. GOUGH, C.E.,
Nottingham.
SQUIRE WHITEHURST. (L.S.)