Improvements in Ashes Hoists and Ejectors for Steamships.
Year: 1899

page_text: Date of Application, 4th Feb., 1899
Complete Specification Left, 31st Oct., 1899-Accepted, 2nd Dec., 1899
PROVISIONAL SPECIFICATION.
Improvements in Ashes Hoists and Ejectors for Steamships.
We, JAMES JACK GALLOWAY and THOMAS LINDSAY GALLOWAY, both of 43, Mair
Street, in the County of Glasgow, North Britain, Engineers, do hereby declare
the nature of this invention to be as follows, that is to say:-
Our said invention has for its objects to improve the construction of ashes
hoists and especially the controlling mechanism thereof, and to improve the
construction and operation of the parts for ejecting the ashes when hoisted.
In the improved hoisting apparatus a long steam cylinder has working in
it a piston which has fixed to it a rack gearing with a pinion geared to the
hoisting pulley or pulleys. A shaft suitably geared to the shaft of the hoisting
pulley or pulleys has on it a worm gearing with a worm wheel on a short shait
having on it another wormwheel with which gears a worm on a shaft having on
it a handwheel and which by collars acts on a lever connected to the steam
admission and exhaust valves of the cylinder. When the handwheel is turned
it is moved on end by the action of its worm on the wormwheel, and opens the
steam admission valve, the hoisting gearing, however, by turning the worm-
wheel moves the handwheel shaft back again, and the operator has to continue
turning the shaft as long as the hoisting action is to continue, such hoisting
action being thus completely under the control of the operator.
The improvements in the ejectors comprise the following alternative arrange-
ments in one of which the bucket for holding the ashes is carried in a frame by
trunnions about which it can turn. The frame moves in vertical guides which
The
may be fixed either in a ventilator or other convenient shaft or space.
bucket is kept upright either by other guides or by a spring or other attachment
to the frame. When it arrives at the top the bucket is overturned by a stop
or a suitably curved guide.
In a second arrangement the bucket has two small guide rollers on each side,
one above the other. The upper rollers are about twice as broad as the lower
ones. The rollers run between guides. At the place where the bucket is to
be tipped the guides bifurcate, one branch leading to the side and the other
continuing vertically. The two branches are of different gauge. The upper
or broad rollers are constrained to travel sideways while the lower rollers
continue to travel vertically and thus the bucket is overturned.
The
In a third arrangement a tipping frame is arranged at the top of the lift
tipping frame is jointed to levers centered on two axes so that when the bucket
enters it, the further movement of the rope or ropes to which the bucket
attached causes the frame and bucket to tip over.
The ashes are conveyed to the ship's side in a sloping or horizontal shoot,
and may be propelled, especially in the latter case by a jet or jets of water.
When a ventilator is used as the channel through which the bucket is to be
hoisted, the guides may be continued from the bottom of the ventilator down
to the stokehold floor plates, with a telescopic arrangement, or they can be
hinged or attached in a manner to allow of their being folded up out of the way
when not in use.
Dated this Third day of February 1899
EDMUND HUNT,
Applicants' Agent.

page_text: Improvements in Ashes Hoists and Ejectors for Steamships.
We, JAMES JACK GALLOWAY and THOMAS LINDSAY GALLOWAY, both of 43, Mair
Street, in the County of Glasgow, North Britain, Engineers, 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,
that is to say:-
Our said invention has for its objects to improve the construction of ashes
hoists, and especially the controlling mechanism thereof, and to improve the
construction and operation of the parts for ejecting the ashes when hoisted.
In the improved hoisting apparatus, the steam and exhaust valves of the
hoisting steam cylinder are arranged to be controlled automatically by the
apparatus. For this purpose both valves are connected to a bell-crank lever
acted on by a tappit piece or collars fixed to a handled shaft connected to the main
shaft, or an intermediate shaft of the apparatus by worm and worm wheel gearing.
The arrangement is such that when the attendant turns the handled shaft it
moves on end and opens the steam valve, (the exhaust valve closing) and thereby
starts the apparatus. The steam valve is kept open by the continued rotation of
the handled shaft but when the rotation is discontinued the action of the hoisting
gearing causes the handled shaft to move back again so as to close the steam
valve and open the exhaust valve and stop the further movement of the
apparatus.
-a
in the improvement of the parts for ejecting the ashes when hoisted, the
bucket for holding the ashes is carried in a frame by trunnions about which it
can turn. The frame and trunnions move in vertical guides fixed within
ventilator or other convenient shaft or space. The bucket is kept upright by
suitable guide projections or trunnions or locking parts and when it is hoisted
to the opening at the top of the ventilator, where the ashes are ejected into a
shoot for conveyance to the ship's side, it is tipped or overturned by means of
a stop, or a suitably curved guide. In some cases a jet or jets of water may be
arranged to propel the ashes along the shoot to the ship's side.
And in order that our said invention and the manner of performing the same
may be properly understood we hereunto append two sheets of explanatory
drawings to be hereinafter referred to in describing our improvements.
Figure 1, of the drawings is a side elevation of the improved ashes hoist.
Figure, 2, is a vertical section, Figure, 3, a horizontal section, and Figure, 4,
a vertical section at right angles to Figure, 2, of the improved ejecting apparatus.
In these drawings the same reference letters and numerals are used to mark
the same or like parts wherever they are repeated.
In the improved hoisting apparatus as shown in Figure, 1, a long steam
cylinder A, has working in it a piston which has fixed to it a rack gearing with
a pinion on a shaft, B, on which is fixed a spur wheel, C, gearing with a
pinion, C1, on a shaft, 1), on which is fixed the hoisting pulley, D1. The
hoisting pulley shaft, D, or it might be an intermediate shaft, has on it a
worm, D2, gearing with a worm wheel, E, fixed to a short shaft, EI, having
on it another worm wheel, E 2, gearing with a worm, G, on a shaft, G 1, provided
with a handle, G2, the shaft by a tappet piece, G3, fixed to it acting on a
bell-crank lever, H, connected by a rod, H 1, to the steam admission and exhaust
valves, H2, H3, of the cylinder, A. When the handled shaft, G 1, is turned it
is moved on end by the action of its worm, G, on the wormwheel, E2, and
opens the steam admission valve, H2, and starts the hoisting action, the hoisting
gearing however by turning the wormwheel, E2, moves the handled shaft back
again and closes the steam admission valve and stops the hoisting action, The

page_text: operator or attendant has thus to continue turning the handled shaft, G 1, as
long as the hoisting action is to continue, so that the hoisting action is thereby
completely under the control of the operator. A differential brake, F, worked
by a handle, F1, is provided and likewise an indicator, P, which is worked by
the shaft, E1, over a dial, P1, and thereby indicates the position of the
bucket being hoisted at any time.
In the improved ashes ejecting apparatus, an example of which is shown in
Figures, 2, 3, and 4, the bucket, J, is fitted with upper and lower trun-
nions, J1, J2, having rollers, J3, J4, working in guides, J5, fixed to the
ventilator, K, the upper rollers, J3, being made broader than the lower ones, J4,
for a purpose to be hereinafter described. The bucket is carried or hung by its
lower trunnions, J4, on a frame, L, which is connected to the hoisting rope, L1,
which passes over a guide pulley, L2, on a shaft, L3, and has its end fixed to
the hoisting pulley, D1, of the hoisting apparatus, shown in Figure, 1. Curved
guides, M, are fixed at the opening where the bucket, J, is to be tipped and when
it reaches the tipping station the upper broad rollers, J 3, hereinbefore referred
to, engage in the curved guides, openings, J6, being formed in the vertical
guides, J5, to allow the rollers to leave the vertical guides and travel in the
curved guides. The lower rollers, J4, however continue to move in the vertical
guides and it is the combination of the curved and vertical movements of the
rollers which, as the hoisting continues, causes the bucket, J, to be tipped and
assume the position indicated by dotted lines in Figure, 4.
The ashes are conveyed to the ship's side in a sloping shoot, N, or it might
be a horizontal shoot, and a pipe, N1, is provided for the purpose of directing
a jet of water into the shoot to propel the ashes along the shoot to the ship's
side.
When a ventilator is used as the channel through which the bucket, J, is
hoisted, the vertical guides, J5, may be continued from the bottom of the
ventilator down to the stokehold floor plates, with a telescopic arrangement,
or the projecting guides may be hinged or attached in a manner to allow of
their being folded up or placed out of the way when not in use.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed, we declare that what
we claim is:-
1-The construction combination and arrangement of parts constituting our
improvements in the controlling mechanism of ashes hoists for steam ships,
substantially as and for the purposes hereinbefore described with reference to
Figure, 1, of the accompanying drawings.
2-In ashes ejectors for steam ships, a bucket having upper and lower
trunnions fitted with guide rollers to work in vertical guides fixed within a
ventilator or other shaft or space, curved guides being fixed at the opening
where the bucket is to be tipped, the upper guide rollers, which are made broader
than the lower ones, engaging in the curved guides when the bucket reaches
the tipping station, substantially as and for the purposes hereinbefore described
with reference to Figures, 2, 3, and 4, of the accompanying drawings.
Dated this Thirtieth day of October 1899
EDMUND HUNT,
Applicants' Agent.