IMPROVEMENTS IN STOP MOTIONS OF DRAWING FRAMES FOR COTTON AND OTHER FIBROUS SUBSTANCES
Year: 1883

page_text: LETTERS PATENT to James Macqueen of Bury in the County of Lancastor,
Machinist, for an Invention of "IMPROVEMENTS IN STOP MOTIONS OF
DRAWING FRAMES FOR COTTON AND OTHER FIBROUS SUBSTANCES
PROVISIONAL SPECIFICATION left by the said James Macqueen at tho
Office of the Commissioners of Patents on the 23rd June 1883.
JAMES MACQUEEN of Bury in the County of Lancaster Machinist. " IMPROVE-
MENTS IN STOP MOTIONS OF DRAWING FRAMES FOR COTTON AND OTHER
FIBROUS SUBSTANCES.
First: An arrangement for stopping the frame when the can gets full. I apply
a lever to the side of the framing for carrying the press wheels, the short end of
this lever rests on a pin attached to the cover of the press wheel and the long end
extends towards the roller beam-On the front stop motion rocking shaft I fix a
small lever which extends downward to the front of the roller beam and at right
angles to the other lever and extending beyond it-When the can is empty and in
process of filling those levers are clear of each other but when the can gets full
the cotton in the can raises the press wheel and with it the cover and pin or stud
attached to it, the long end of the first lever is then allowed to fall and comes in
contact with the lever on the rocking shaft which prevents the shaft from rocking
and thereby stops the frame in the usual manner
Second: An Improved arrangement of parts for moving the strap on to the
loose pully in the event of a sliver breaking at the back. I attach a sinall bracket
to the roller beam which carrys a small upright lever free to move on a stud at
right angles and close to the stop rod At the top end of this lever I put a stud
on which I place a latch which hooks on to any convenient part of the framing.
I fix a stud on the strap rod in front of the upright lever and to the same sido of
the lever I fix one end of a Spring and the other end to any suitable part of the
framing. I attach an excentric to any convenient wheel and on this excentric I
place a
rod at the other end of which is an angular slot. I then place a small
ון....מ

page_text: lever on the ordinary rocking-shaft which has a stud that takes into the slot of the
excentric rod and gives the motion to the rocking shaft-when a sliver breaks the
spoon holds the rocking shaft in the usual manner and the excentric rod is raised
by the angular slot moving upwards on the stud in the lever on the rocking shaft
thereby raising the latch and allowing the spring to act on the strap rod through 5
the upright lever and stud and thereby stopping the frame
SPECIFICATION in pursuance of the conditions of the Letters. Patent filed
by the said James Macqueen in the Great Seal Patent Office on the
21st December 1883.
JAMES MACQUEEN of Bury in the County of Lancaster Machinist "IMPROVE-
MENTS IN STOP MOTIONS OF DRAWING FRAMES FOR COTTON AND OTHER
FIBROUS SUBSTANCES
My first improvement consists in the arrangement for stopping the frame when
the can gets full. And my second improvement consists in an Improved arrange-
ment of parts for moving the strap on to the loose pulley by the action of any of
the stop levers And in order that my Invention may be fully understood and
readily carried into operation I will proceed to describe the accompanying sheet of
drawings reference being had to the figures and numerals marked thereon. Fig 1
shows my first improvement, numeral 4 shews the section of the roller beam of a
drawing frame to which is attached the framing for carrying the press wheel. I
apply the Lever 1 to the side of this framing. The short end of this lever rests
on the pin 2 attached to the cover 3 of the press wheel, or a pin in the lever 1 may
pass through the Cover 3 and rest on the wheel itself. The long end of the lever 1
extends towards the roller beam 4 On the ordinary front stop motion rocking
shaft 5 I fix the small lever 6 which extends downwards in front of the roller beam
and at or about right angles to the Lever 1. on the side of the Lever G next to the
Levor 1 is a small projection and the long end of the lever 1 is formed like a
latch. When the can 7 is empty and in process of filling those levers are clear of
each other but when the can gets full the cotton in the can raises the press wheel
and with it the Cover 3 and pin 2 attached to it or the wheel acts directly on a
pin in the Lever 1. the long end of the lever 1 is thus allowed to fall and the latch
part of the lever catches the projection on the Levor 6 on the rocking shaft 5
which prevents the shaft from rocking and thereby stops the frame in the usual
manner. Figs 2 and 3 illustrate my second improvement. I attach the small
bracket (numeral 1) to the roller beam 12 which carries the small upright lever 2
free to move on a stud at right angles and close to the stop rod 3. At the top end
of this lever I put a stud on which I place the latch or catch which holds on any
convenient part of the framing 5. I fix a stud 6 in the stop rod 3 in front of the
upright lever 2 and to the saune side of the lever 21 fix one end of the spring 7,,
the other end of the said spring being attached to any suitable part of the framing.

page_text: "
I attach the eccentric 8 to any convenient wheel and on this eccentric I place the
rod 9 at the other end of which rod is an angular slot 13. I place the
small lever 11 on the ordinary back rocking shaft 10 which has a stud 14 that
takes into the slot 13 of the eccentric rod 9 and gives the motion to the rocking.
shaft-When a Sliver breaks the spoon holds the rocking shaft in the usual manner
and the eccentric rod 9 is raised by the angular slot 13 moving on the stud 14.
This brings the rod 9 in contact with the catch 4 which is also raised and the
Spring 7 acts on the strap rod 3 through the upright lever 2 and stud 6 in the
strap rod and thereby stopping the frame.
Having thus described the nature of my said Invention and the manner of
performing the same I claim.
First The arrangement substantially as and for the purpose set forth and
described with reference to Figure 1 of the accompanying drawings
Second-The arrangement of parts substantially as and for the purpose set
forth and described with reference to figures 2 and 3 of the accompanying
drawings.
In witness whereof. I the said James Macqueen have hereunto set my hand
and seal this eighteenth day of Decembor One thousand eight hundred and eighty
threo
JAMES MACQUEEN (L.S.)