Improvements in or Applicable to Wheel Feed Sewing Machines.
Year: 1889

page_text: Date of Application, 27th Mar., 1889
Complete Specification Left, 19th Dec., 1889-Accepted, 25th Jan., 1890
PROVISIONAL SPECIFICATION.
Improvements in or Applicable to Wheel Feed Sewing Machines.
I, WILLIAM JONES, of the firm of Jones & Co., of Guide Bridge, near Manchester,
in the County of Lancaster, Sewing Machine Manufacturers, do hereby declare the
nature of the said invention, to be as follows:-
My invention is applicable to ring or wheel feed sewing machines, and relates to
the mechanism for imparting the intermittent movements to the feeding wheel or
ring, which is a wheel or ring serrated or toothed upon its edge, against which the
fabric is pressed which is to be fed under the needle and this wheel or ring has a
flange or rim projecting from one side which in the ordinary arrangement is acted
upon by an oscillating lever having fixed projections or surfaces which grip the rim
and propel it when the lever moves one way and releases the rim, the grippers sliding
over it, when the lever moves the other way.
The ordinary gripping edges or surfaces wear out rapidly, and my invention relates
to gripping surfaces combined with the lever to which they are attached which can
be readily adjusted as they wear, so as to properly grip, the rim when the feed wheel
is to be propelled.
According to one modification of my invention, a stud is arranged and secured in
the lever which has three or more projections so that when this stud is adjusted and
secured in the lever, one of the projections will come against one side of the rim,
and as one projection is worn, the stud can be turned and then secured, thus presenting
another projection, and so on.
For the other side of the rim there is a sind in the lever upon which a pawl is
jointed, and there is a set screw for bringing the point of the pawl near to the rim
on the feed wheel or ring and preventing it from moving when acting to propel the
wheel.
Instead of the stud with projections there may be a fixed projection on the lever,
or a stud having a bowl upon it, the adjustment for wear being obtained by means
of the pawl and set screw above mentioned, or their equivalents.
According to another modification of my invention there may be a stud with
projections above mentioned on the lever, to act on each side of the rim on the feed
wheel or ring.
Dated this Twenty sixth day of March 1889
PETER J. LIVSEY,
Agent.
COMPLETE SPECIFICATION.
Improvements in or Applicable to Wheel Feed Sewing Machines.
I, WILLIAM JONES, of the late firm of Jones & Co., now Chairman of the Directors
of the firm Jones & Co. Limited, of Guide Bridge, near Manchester, in the County
of Lancaster, Sewing Machine Manufacturers, do hereby declare the nature of this
invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
My invention is applicable to ring or wheel feed sewing machines and relates to the
mechanism for imparting the intermittent movements to the feeding wheel or ring,
which is a wheel or ring serrated or toothed upon its edge, against which the fabric
is pressed which is to be fed under the needle and this wheel or ring has a flange or
rim projecting from the side which in the ordinary arrangement is acted upon by an
oscillating lever having fixed projections or surfaces which grip the rim and propel

page_text: it when the lever moves one way and releases the rim, the grippers sliding over it
when the lever moves the other way.
The ordinary gripping edges or surfaces wear out rapidly, and my invention relates
to gripping surfaces combined with the lever to which they are attached which can
be readily adjusted as they wear, so as to properly grip the rim when the feed wheel
is to be propelled.
According to one modification of my invention, a stud is arranged and secured in
the lever which has three or more projections so that when this stud is adjusted and
secured in the lever, one of the projections will come against one side of the rim,
and as one projection is worn, the stud can be turned and then secured, thus presenting
another projection, and so on.
For the other side of the rim there is a stud in the lever upon which a pawl is
jointed, and there is a set screw for bringing the point of the pawl near to the rim,
on the feed wheel or ring and preventing it from moving when acting to propel
the wheel.
Instead of the stud with projections there may be a fixed projection on the lever,
or a stud having a bowl upon it, the adjustment for wear being obtained by means of
the pawl and set screw above mentioned or their equivalents.
According to another modification of my invention, there may be a stud with
projections above mentioned on the lever, to act on each side of the rim on the feed
wheel or ring.
Fig. 1 is a sectional elevation of the end of a feed wheel sewing machine below
the cloth plate, showing one mode of carrying out my invention.
a, is the table part of the machine; b, the removable plate; c, the feed wheel
which is a ring with its periphery serrated. The inside of the ring fits and can.
rotate upon the part d, which is a ring projection from the framing, having a gap
cut away on one side to give space for the grippers to operate, upon the projecting
rim e¹, from the feed wheel which is kept in position by the heads of two screws e, as
shown.
f, is an oscillating shaft giving the feeding movements, f¹, is a double or forked
arm from the shaft f, between the arms of which the forked end of the lever g, comes,
the fork fitting a swivel block on a pin in the arm ƒ¹.
h, is the retaining gripper.
There is a helical spring acting upon the lever g, and retaining gripper h, not
shown.
All the parts above referred to by letters, and their mode of action are old and well
known.
My invention relates to the gripping parts which are applied to the lever g.
These parts so as to be made clear are shown in full line in fig. 1 and in figs. 3, 4
and 5, to be hereinafter described, but in the ordinary mode of representing such
parts which are under or on that side of the lever g, nearest the feed wheel c, they
would be shown in dotted line.
Fig. 2 is a section in the line A-B fig. 1 through the rim of the feed wheel and
the lever g, showing more clearly how the gripping parts are attached to it and
operate upon the rim c¹.
g, is a small bolt formed of hardened steel with a three sided head, one angle or
point of which is brought opposite the rim c', of the wheel c, as shown, and is then
secured by the screw nut, the shank part of the bolt passing through a hole in the
When one of the points of the triangular head has become worn, it is
turned to bring another point against the rim c¹, of the feed wheel and then
secured, and so on until all three points are used when a new bolt will be
required.
arm g.
On the other side of the rim c¹, a pawl g³, is arranged to act.
It is jointed upon a stud bolt g', passing through a hole in the lever and is
secured by a screw nut g³.
The free end of the pawl is adjusted to the rim c', by a set screw 9º, screwing
through a hole in a stud y', secured in the lever g.

page_text: The gripping parts shown in figs. 3 and 4 are the same as those shown in fig. 1
as to the jointed pawl g³, and mode of adjusting it.
The head of the bolt g¹, fig. 3 is of the form shown, that is, it is four sided, with
a channel cut in each side.
It is turned when each side is worn until all the four sides have been used.
In fig. 4, the stud gl, corresponding to the bolt g', fig. 1 carries a bowl 9.
In fig. 5, there are two bolts g', one to act upon each side of the rim c¹.
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.
In wheel feed sewing machines the combination with the feeding arm (9) and
with the rim (c) of gripping parts (9', and 93,) arranged so as to be adjusted
when worn substantially as hereinbefore described and illustrated by the drawings.
Dated this Eighteenth day of December 1889.
PETER J. LIVSEY,
Agent.