Improved Trimming Apparatus Applicable to Sewing Machines.
Year: 1889

page_text: Date of Application, 5th July, 1889
Complete Specification Left, 9th Jan., 1890-Accepted, 15th Feb., 1890
PROVISIONAL SPECIFICATION.
Improved Trimming Apparatus Applicable to Sewing Machines.
I, FRANCIS WILKINSON, Beeston Hall, Lace Manufacturer, do hereby declare the
nature of this invention to be as follows:-
To the head of what is known as the Willcox and Gibbs sewing machine 1 secure
a bracket provided at its lower end with a binding guide capable of adjustment
upon it, in front of the guide is a cutting blade also capable of adjustment on the
bracket, the cutting blade projects downwards through the bed plate of the sewing
machine and forms a bearing upon which a cutting blade beneath the bed plate slides
nearly vertically, this second blade is capable of adjustment on a vertical rod sliding
in bearings secured to the framing of the machine. The lower end of the rod rests
upon one end of a lever which rocks on a stud projecting from a bracket secured
to the machine, the other end of the lever is hinged to a vertical bar slotted so as to
slide on a stud secured in the framing of the machine.
The vertical rod carrying the second cutting blade has a spring coiled round it
which presses the rod onto the end of the rocking lever, the rod being raised by the
lowering of the vertical bar at each revolution of the usual eccentric which operates
the feeding foot to which I attach an additional row of teeth, over which above the
work plate I provide an additional spring presser plate.
Such arrangement carries away the waste or selvage cut from the article
operated upon, the new formed selvage being then bound and stitched in the
usual way.
CL 1000
H. W. GOUGH, C.E.,
Agent.
COMPLETE SPECIFICATION.
Improved Trimming Apparatus Applicable to Sewing Machines.
I FRANCIS WILKINSON, Beeston Hall, Beeston, Lace Manufacturer, 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:
DESCRIPTION OF THE DRAWINGS.
Figure 1 shows a left end view of the head and portion of the bed of what is
known as the Willcox and Gibbs Sewing machine with my improved trimming
apparatus applied thereto.
Figure 2 shows a front view of the same without the work plate.
Figure 3 shows a plan of the work plate and a feeding foot hereafter referred to.
Figure 4 shows a left end view of a bracket B and a binding guide C I employ.
The corresponding parts in each Figure are lettered alike.
To the head A (see Figures 1 and 2) of what is known as the Willcox and Gibbs
sewing machine I secure a bracket B provided at its lower end with a binding
guide C capable of adjustment upon it.
In front of the binding guide is a cutting blade D also capable of adjustment on
the bracket B, the cutting blade projects downwards through a hole D' formed in the
work plate just in front of the usual needle hole shown in plan at Figure 3 the lower
end of the blade D) forms a bearing upon which a cutting blade E beneath the bed
plate slides, the blade E is capable of adjustment on a vertical rod E' sliding in a
slotted bearing bracket E' secured to the framing of the machine by two screws E³, E³,
shown at Figure 2.

page_text: The rod E' is securely held in the bearing bracket by a slotted plate E³ pressing on
the front edge of the rod, being clamped to the bracket by a screw E*; when this is
unscrewed by the attendant and the plate E³ is moved to the right clear of the rod E¹,
the rod and cutter E may be removed and when resharpened may be again placed in
a working position without displacing any other part of the machine.
A stud F projects from the right side of the rod E¹ and rests in a slot in the front
end of a lever F¹ which rocks on a stud screwed into the bracket E the back end of
the lever F is hinged to the lower end of a bar F2 the upper end of which is bored
out to receive the usual eccentric which operates the feeding foot G of the machine,
each revolution of the eccentric rocks the lever F¹ causing the rod E¹ and cutter E to
be raised and lowered at each stitch made by the machine.
The feeding foot G is provided with an additional row of teeth G₁ which works in
a slot cut in the work plate to the right of the needle hole, over the additional row of
teeth, above the work plate the bracket B is provided with an additional spring
presser plate G². By the employment of the above described apparatus the waste
or selvage is cut from the article operated upon, by the cutters D and E and carried
away to the right by the additional row of teeth G¹ of the feeding foot, the binding
guide being supplied with a tape, or other suitable binding, the new selvage is bound
and stitched in the usual way.
Having now particularly described and ascertained the nature of my said Inven-
tion and in what manner the same is to be performed 1 declare that what I
claim is.
1. The construction and employment of the improved trimming apparatus applied
to and operating in conjunction with the Willcox and Gibbs sewing machine for
the purpose specified substantially as described and illustrated in the Drawings
annexed.
Dated this Eighth day of January 180n
H. W. GOUGH, C.E.,
Agent.