IMPROVEMENTS IN in the County of La, for the Invention of SEWING MACHINES
Year: 1873

page_text: LETTERS PATENT to Alfred Pickup and Samuel Carter, of Oldham,
"IMPROVEMENTS IN
in the County of Lancaster, for the Invention of
SEWING MACHINES."
Sealed the 22nd May 1874, and dated the 27th November 1873.
PROVISIONAL SPECIFICATION left by the said Alfred Pickup and
Samuel Carter at the Office of the Commissioners of Patents, with
their Petition, on the 27th November 1873.
We, ALFRED PICKUP and SAMUEL CARTER, of Oldham, in the County
of Lancaster, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN SEWING MACHINES," to be as follows:-

page_text: Secondly. To enable the machine to be worked with great rapidity
without becoming tiresome to the operative.
And, Thirdly. To effect economy by simplifying the parts and making
all the motions direct acting.
In one arrangement we use a shuttle placed in a curved or circular
race in connection with a carrier fixed to a vertical spindle having on it
a toothed wheel gearing into a toothed segment at one end of a double
arm working on an adjustable stud, which can be regulated as required
to make up for wear and prevent looseness or backlash. The other end
of the double arm is jointed to one end of a rod, connected at its other
end to a crank on the driving shaft, which when revolving gives to-and-
fro motion to the toothed segment, toothed wheel, carrier, and shuttle.
For working the needle up and down to correspond exactly with the
shuttle we fix on the driving shaft a disc carrying a crank pin, fitting
and working in an internal cam or irregular slot at one end of the double
lever, which works the needle bar and needle, and as the parts are so
few and simple there is very little friction.
For feeding the fabric or material we fix on the driving shaft a double
cam acting on a lever connected to a feed bar, the lever being jointed on
a swivel working in the table of the machine, so that as the cam revolves
the required up-and-down and to-and-fro motion will be given to the
feed bar, which can act on the top or bottom of the fabric or material as
may be required.
In another arrangement we place a shuttle in a circular race, and
connect it with a carrier fixed to a vertical spindle, having on it a toothed
wheel geared by gearing with the driving shaft, so that when the shaft
revolves continuous revolving motion will be given to the carrier and
shuttle, and the movements of the needle and feeding bar are made to
correspond with the movements of the shuttle.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Alfred Pickup and Samuel Carter in the Great
Seal Patent Office on the 27th May 1874.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, ALFRED
PICKUP and SAMUEL CARTER, of Oldham, in the County of Lancaster,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-seventh day of November, in the year
of our Lord One thousand eight hundred and seventy-three, in the thirty-
seventh year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto us, the said Alfred Pickup and Samuel Carter,
Her special license that we, the said Alfred Pickup and Samuel Carter,
our executors, administrators, and assigns, or such others as wc, the said
Alfred Pickup and Samuel Carter, our executors, administrators, and
assigns, should at any time agree with, and no others, from time to
time and at all times thereafter during the term therein expressed,
should and lawfully might make, use, exercise, and vend, within the
United Kingdom of Great Britain and Ireland, the Channel Islands,
and Isle of Man, an Invention for "IMPROVEMENTS IN SEWING MACHINES,"
upon the condition (amongst others) that we, the said Alfred Pickup
and Samuel Carter, our executors or administrators, by an instrument
in writing under our, or their, or one of their hands and seals, should
particularly describe and ascertain the nature of the said Invention,
and in what manner the same was to be performed, and cause the
same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE, that we, the said Alfred Pickup and Samuel Carter,
do hereby declare the nature of our said Invention, and in what manner
the same is to be performed, to be particularly described and ascertained
in and by the following statement, reference being had to the figures on
the accompanying Sheet of Drawings and to the letters of reference
marked thereon, that is to say :-
The objects of this Invention are,-

page_text: Secondly. To enable the machine to be worked with great rapidity
without becoming tiresome to the operative.
And, Thirdly. To effect economy by simplyfying the parts and making
all the motions direct acting.
We place a shuttle in a circular race and connect it with a carrier
fixed to a vertical spindle, having on it a toothed wheel geared by
gearing with the driving shaft, so that when the shaft revolves
continuous revolving motion will be given to the carrier and shuttle,
and the movements of the feeding bar are made to correspond with the
movements of the shuttle.
On the accompanying Sheet of Drawings Figs. 1 and 2 are side and
front views of one of our revolving shuttle sewing machines, and Fig. 3
a plan of some of the parts.
In the table a we form the circular race 6, Figs. 2 and 3, having in it
a curved shuttle c held in a carrier d fixed to the vertical spindle c,
having on it a bevel wheel f, Figs. 1 and 2, gearing into a bevil wheel g
on a horizontal shaft h working in bearings i cast or fixed to the table.
To the shaft is fixed the bevil wheel k gearing into the bevil wheel
on the driving shaft m, carrying the driving pulley n and fly wheel o.
For working the needle bar p and the needle q up and down to corre-
spond exactly with the shuttle we fix on the driving shaft m a discr
carrying a crank pin s fitting and working in an irregular slot or internal
cam at one end of the double arm or lever 2, one arm of which is in
connection with the needle bar; and for pressing and feeding the fabric
to be sewn or stitched we use an ordinary presser v, toothed feeding bar
wo, and a double cam or tappet x, and it will be seen that by the use of
the revolving shuttle and the arrangements of the shafts gearing and
other parts we are able to feed the fabric from left to right and work
the machine with ease and rapidity.
Having now described the nature and particulars of our said Invention
and in what manner the same is to be performed, we desire it to be
understood that in sewing machines we claim the employment of shuttles
having continuous revolving motion, the continuously revolving shafts
and gearing communicating with the driving shaft for giving the
continuous revolving motion to the shuttle, and also the arrangements
of the parts for enabling the fabric to be fed from left to right, as such

page_text: improvements are herein described and illustrated on the accompanying
Sheet of Drawings.
In witness whereof, we, the said Alfred Pickup and Samuel Carter,
have hereunto set our hands and seals, this Twenty-fifth day of
May, in the year of our Lord One thousand eight hundred
and seventy-four.
'
Signed, sealed, and delivered by the
within-named Alfred Pickup
and Samuel Carter, in the
presence of
G. SEPTIMUS HUGHES,
Patent Agent,
Manchester.
ALFRED PICKUP. (L.S.)
SAMUEL CARTER. (L.S.)