Improvements in or applicable to Double Roller Cotton Gins.
Year: 1895

page_text: Date of Application, 11th Dec., 1895
Complete Specification Left, 6th Mar., 1896-Accepted, 11th Apr., 1896
Improvements in or applicable to Double Roller Cotton Gins.
We MANCHERSHAH DORABJI DAROOVALA, Engineer, and NADIRSHAW
HORMASJI BELGAUMWALLA, Merchant, both of Hubli, Dharwar District,
Bombay Presidency, India, do hereby declare the nature of this invention to be as
follows:-
Our said invention relates to improvements in the mechanism for operating the
beaters of double roller cotton gins.
Heretofore the oscillatory motion of the beaters has been obtained by the
combined action of a slotted lever and a pin engaging therewith. The slot is
however liable to become rapidly fouled with dust which causes undue wear and
frequent breakage.
The object of our said invention is to use a driving mechanism in which the
wearing surfaces are protected from dust and wherein the slack due to wear may
be compensated by suitable adjustments and at the same time continuous.
lubrication may be employed.
According to our said invention the crank pin (which is mounted on the beater
shaft on an adjustable carriage or slide so that its stroke may be accurately set).
is connected to a crank on the beater frame by means of a link or connecting rod
the upper end of which is hinged to the crank by means of a pin or bolt passing
through the crank and the upper end of the connecting rod.
The lower end of the connecting rod is provided with a divided bearing
adjustable by a gib and cotter and provided with an oil cup and oil conduits for
continuous lubrication.
Among other advantages obtained by the use of our said invention an important
one is that no resetting of the beater travel is necessary as the crank need not be
removed when taking out the beater to repair the grids.
Dr Oth dow of December 1895.
E. T. WHITELOW, A.M. Inst. C.E.,
70 Deansgate, Manchester, Agent for the Applicants.
Improvements in or applicable to Double Roller Cotton Gins.
We MANCHERSHAH DORABJI DAROOVALA, Engineer, and NADIRSHAW
HORMASJI BELGAUMWALLA, Merchant, both of Hubli, Dharwar District,
Bombay Presidency, India, 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:-
Our said invention relates to improvements in the mechanism for operating the
beaters of double roller cotton gins.
Heretofore the oscillatory motion of the beaters has been obtained by the
combined action of a slotted lever and a pin engaging therewith. The slot is

page_text: however liable to become rapidly fouled with dust which causes undue wear and
frequent breakage.
The object of our said invention is to use a driving mechanism in which the
wearing surfaces are protected from dust and wherein the slack due to wear may
be compensated by suitable adjustments and at the same time continuous
lubrication may be employed.
Reference is hereinafter made to the accompanying drawing in which Fig. 1 is an
end elevation and Fig. 2 a side elevation of so much of a cotton gin as serves to
illustrate the application of our said invention.
According to our said invention the crank pin a (which is mounted on the
shaft m in a carriage or slide n' on the block n so that its stroke may be
accurately set) is connected to a crauki of the beater shaft o by means of a link
or connecting rod 6 the upper end of which is hinged to the crank i by means of
a pin or bolt c passing through the crank or a bush therein and the upper end of
the connecting rod b.
The lower end of the connecting rod b is provided with a divided bearing d
adjustable by a gib k and cotter 7 and provided with an oil cup p and oil conduits
for continuous lubrication.
The stroke or throw of the crank pin a is adjustable and can be varied by
setting the slide or carriage n¹ nearer to or farther from the centre of the shaft m
by means of the adjusting screw n².
Among other advantages obtained by the use of our said invention an important
one is that no resetting of the beater travel is necessary as the crank need not be
removed when taking out the beater to repair the grids.
The slack of the bearing d can be easily taken up by the driving in the cotter
and there is in consequence no risk of breaking the cam.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-
1. In a double roller cotton gin the combination and arrangement of parts for
imparting an oscillatory motion to the beater shaft substantially as set forth and
shown.
2. In a double roller gin the combination of the block n the radially adjustable
pin a, the connecting rod 6 and the crank i with a beater shaft substantially as and
for the purpose set forth and shown.
Dated this 4th day of March 1896.
E. T. WHITELOW, A.M. Inst. C.E.,
70 Deansgate, Manchester, Agent for the Applicants.