Improvements in and relating to Swells and Check Straps Used in Looms for Weaving.
Year: 1886

page_text: Date of Application, 3rd Nov., 1886.
Complete Left, 3rd Aug., 1887.
Complete Accepted, 6th Sept., 1887.
Improvements in and relating to Swells and Check Straps Used in
Looms for Weaving.
1, JOHN GARSTANG, of 61 Todmorden Road, Burnley, in the County of Lancaster,
Manufacturer, do hereby declare the nature of my said invention for IMPROVEMENTS
IN AND RELATING TO SWELLS, AND CHECK STRAPS USED IN LOOMS FOR WEAVING,
to be as follows:-
My Improvements in swells consist in reversing the fulcrum or hinged part of the
swell, from the back end to the front end of the box, so that the shuttle, on entering
will necessarily come in contact with the swell, at a point near where it is hinged;
instead of striking the projecting or free end of the swell first as heretofore. The
contact surface of the swell is preferably straight; and inclines into the box when the
shuttle is absent, but when the shuttle enters the box, the contact surface of the swell
is thrown in a line parellel with the box back, and bears equally the whole length of
its surface upon the shuttle, the durability of which is thereby considerably increased,
and its course properly directed and ensured upon leaving the box.
My Improvements in check straps consist in connecting together by an adjustable
part, both back and front end check straps, in such wise that each end strap is drawn
inwards alternately by the action of the picker upon the opposite check strap,
whereby the proper check is imparted to the shuttle and picker.
Dated this 1st day of November 1886.
THOS. RICHMOND,
Agent for the Applicant.

page_text: I JOHN GARSTANG of 61 Todmorden Road Burnley in the County of Lancaster,
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 :-
The portion of my invention relating to check straps described in my Provisional
Specification, and included in the title of my said invention, I have found to be wanting
in Novelty, I therefore disclaim this part of my invention, and do now confine myself
solely to the arrangement of the swell.
My Improvements consist in forming the pressing surface of the swell perfectly
streight and flat; and in reversing the fulcrum or hinged part of the swell, so that its
loose or free end will project in the direction of the box end; and inwardly incline into
the box, when the shuttle is absent. The shuttle will therefore when entering the box,
necessarily come in contact with the swell, at a point near where it is hinged and will
move the projecting end of the swell backwards, until its pressing surface becomes
parellel with the box back and face of the reed, whereby the durability of the shuttle
will be considerably increased, and its direction in a line streight and parellel with the
reed and box back ensured; whilst traversing from box to box.
And in order that my invention may be properly understood and readily carried
into practical operation, I have hereunto attached the accompanying sheet of drawings,
marked with figures and letters of reference. Figs. 1 and 2, are respectively plan and
back views of a shuttle box with my Improvements applied; Fig. 3 is a detached view
enlarged scale of my improved swell; and Figs. 4 and 5 are respectively plan and
back views of a shuttle box to which the ordinary swell is attached. A is the box back,
B the box end, C the slay plate, D the adjustable iron guide plate, and G a swell of
ordinary construction.
The parts above enumerated are old and well understood and form no part of my
invention.
E, is my improved swell, formed with a flat pressing surface, and hinged in the
bracket F by pin F. The projecting lugs E' and E, at the free end of the swell E
seen in Fig. 3, limit its motion and protect the spring H, seen in Fig. 2, from undue
distention and injury. When the shuttle is present in the box, as seen in Fig. 1, the
free end of the swell at I presses the end of the shuttle at J against the adjustable guide
plate D, and in so doing causes the opposite end of the shuttle, to bear against the box
back K, that the shuttle may be thrown parellel with the reed, across which it traverses
in passing from box to box.

page_text: may
With the ordinary swell G seen in Figs. 4 and 5 this is not the case, as the front
part of the shuttle bears against the adjustable guide plate D, in the manner seen in
Fig. 4, and has therefore when leaving the box to regain the surface of the reed as best
it with little or no certainty; the shuttle often striking the spindle stud subjecting
the weaver to serious danger. It will also be obvious that the shoulders of the shuttle
will not have the same tendancy to wear away when striking the flat surface of the
swell E, as they do when striking the curvature of the swell G.
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 ;-
First reversing the fulcrum or hinged part of the swell substantially as shewn and
described.
Second forming the pressing surface of the swell perfectly flat for the purpose
described.