IMPROVEMENTS IN AND APPLICABLE TO THE DRAWING ROLLERS OF SPINNING MACHINES
Year: 1884

page_text: PROVISIONAL SPECIFICATION.
I, ALFRED HOLLINGS of 7 Alton Terrace, Fairfield near Manchester in the
county of Lancaster Engineer do hereby declare the nature of my said invention
for IMPROVEMENTS IN AND APPLICABLE TO THE DRAWING ROLLERS OF SPINNING
MACHINES to be as follows:-
Hitherto the drawing rollers of spinning machines have been made solid and
have been coupled together by means of projections and recesses on and in the
said rollers: this construction lias made them costly in manufacture and thero has
been great difficulty in hardening them equally throughout on account of the want
of uniformity in section and consequent irregularity of heating and cooling.
Now the object of my invention is to so make and couplo drawing rollers that the
manufacture shall be facilitated and cheapened and a uniformn hardness of surface
be easily and quickly obtained.
For the above purpose I roll forge or cast the lengths of rollers with a hole from
end to end of the longitudinal axis and couple the said rollers by means of coupling
pieces fitting into the said holes and held in position by collars, pins, keys or
equivalent devices.
The holes and coupling pieces are square round or of other desired section and
the rollers and couplings are of iron steel or other suitable metal tempered or case
hardened to the required degree.

page_text: COMPLETE SPECIFICATION.
I ALFRED HOLLINGS of 7 Alton Terrace Fairfield, near Manchester in the
County of Lancaster Engineer, do hereby declare the nature of the said invention
for IMPROVEMENTS IN AND APPLICABLE TO THE DRAWING ROLLERS OF SPINNING
MACHINES " and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
Hitherto the drawing rollers of spinning machines have been made solid and
have been coupled together by means of projections and recesses on and in the said
rollers, this construction has made them costly in manufacture and there has been
great difficulty in hardening them equally throughout on account of the want of
uniformity in section and consequent irregularity of heating and cooling.
'
Now the object of my invention is to so make and couple drawing rollers that
the manufacture shall be facilitated and cheapened and a uniform hardness of
surface be easily and quickly obtained.
For the above purpose I roll forge or cast the lengths of rollers with a hole from
end to end of the longitudinal axis and couple the said rollers by means of coupling
pieces fitting into the said holes and held in position by collars pins keys or
equivalent devices.
The holes and coupling pieces are square round or of other desired section and
the rollers and couplings are of iron steel or other suitable inetal tempered or case
hardened to the required degree.
The drawings hereunto annexed show several modifications of rollers and
couplings constructed in accordance with my invention-In figs 1 and 2 the
rollers a are rolled forged or cast with a hexagonal hole b from end to end and are
connected by a hexagonal coupling piece c held in position by a collar d-In tigs 3
and 4 the holo and coupling pieco are square and the said coupling pieco is held in
position by pins keys or collars e-In figs 5 and 6 the hole through the roller is
cylindrical and the coupling piece is held in position by screws f.
It will be obvious that drawing rollers for spinning machines may be made and
coupled in many ways under my invention so as to obtain the uniform section
necessary for securing the desired equality of hardness on the surface.
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
:.
Drawing rollers for spinning machines made and coupled together substantially
as berein set forth.
•
Dated this twenty-third day of March 1885