IMPROVEMENTS IN MACHINERY FOR SPINNING AND DOUBLING
Year: 1882

page_text: PROVISIONAL SPECIFICATION left by Henry Hall at the Office of the
Commissioners of Patents on the 12th May 1882.
HENRY HALL of 2 Rutland Gate Blackpool in the County of Lancaster.
"IMPROVEMENTS IN MACHINERY FOR SPINNING AND DOUBLING."
The object of the invention is to improve the means employed for supporting the
vertical revolving spindles of spinning and doubling machines.
In spinning and doubling machines the upper bearing of each vertical revolving
spindle has before been made of a long tube or bolster fixed to the bolster rail
whilst the lower end of the spindle has been formed to a cone point and received
in a conical cup carried by the footstep rail.
Various means have also been adopted for ensuring that the central line of the
bolster bearing should be in a line with the point of the foot-step bearing-but by
reason of the difficulty of ensuring absolute truth in the setting of the bolster
bearings their length has necessarily been restricted.
According to my invention I make the bolster to embrace the spindle for the
greater part of its length and to extend from near the top of the spindle down to
the wharve or pulley by which the spindle is driven and which is at some distance
below the bolster rail. Where the bolster passes through the bolster rail I connect
the bolster to the rail by a universal joint ball and socket joint so that the bolster
can adapt itself to any angle thereto the spindle will therefore keep the bolster
absolutely in a line with the point of the foot-step bearing.
The lower end of the bolster I make to dip into an oil cup on the top of the
wharve and form a spiral groove around the exterior of the spindle so as to cause
oil to be carried up from this oil cup between the spindle and the long bolster.
Above the top of the bolster I embrace the spindle with a small collar. Over
the exterior of the bolster I drop a tubular shell which extends down to the ball
and socket joint-the shell has an internal collar around its upper end and this
collar rests on the small collar above mentioned upon the spindle-and is thereby
driven when the spindle revolves.
The oil ascending between the spindle and the bolster returns downwards
between the exterior of the bolster and the shell into a cup on the top of the ball

page_text: through which the bolster passes and by passages formed for it descends into a
tubular guard surrounding the bolster below the bolster rail and is thereby
conveyed back into the oil cup on the top of the wharve.
The bobbin or spool is dropped over the exterior of the shell and its lower end
rests upon a friction disc carried upon the top of the lifting plate-this friction
disc in place of being fixed to the plate as heretofore I make with a hemispherical
projection on its underside at its centre to rest in a corresponding cup in the lifting
plate so that the disc may adapt itself accurately to the bottom of the bobbin
resting on it-the friction disc is prevented from revolving by a small pin
extending downwards from it into the plate.
The flyer is screwed on to the top of the spindle in the ordinary manner.
By mounting the spindles in the above manner they can be made lighter and
driven at greater speeds and steadier than heretofore.