Improvements in Dust Shoots.
Year: 1894

page_text: Date of Application, 6th Apr., 1894
Complete Specification Left, 7th Jan., 1895-Accepted, 9th Feb., 1895
"
PROVISIONAL SPECIFICATION.
Improvements in Dust Shoots.
We, WALTER PHILLIPS HEATH, Engineer, THOMAS HALL, HENRY ANGWIN,
JOHN WILLIAM GARNHAM, and HENRY SMITH, trading as Hall, Beddall & Co.,
Builders and Decorators, all of Pitfield Wharf, Waterloo Bridge, in the County
of Surrey, do hereby declare the nature of this invention to be as follows:-
In dust shoots as at present used an opening is made in the shoot for every
storey of the house, these openings being closed by doors. This arrangementi s
found to be objectionable owing to the upblast in the shoot blowing the dust into
the house when a door is opened.
According to this invention a receiver is provided for the dust. The receiver is
made in the shape of a closed horizontal cylinder with a portion of the cylindrical
surface omitted, the end plates of the receiver being provided with axles and lips.
The receiver works in a fixed cylinder having two openings one into the house and
the other into the shoot. The end plates of the fixed cylinder have holes and
grooves to receive the axles and lips on the end plates of the receiver. The
receiver is revolved by a handle attached to one of the axles.
When it is desired to empty dust into the shoot the handle is turned until the
opening in the receiver coincides with the opening in the fixed cylinder, the dust
is emptied into the receiver and the handle is again turned and the dust falls out of
the receiver into the shoot. By these means the dust in the shoot can never be
blown into the house, since when one opening in the fixed cylinder is open the
other is shut.
D
We, WALTER PHILLIPS HEATH, Engineer, THOMAS HALL, HENRY ANGWIN,
JOHN WILLIAM GARNHAM, and HENRY SMITH, trading as Hall, Beddall & Co.,
Builders and Decorators, all of Pitfield Wharf, Waterloo Bridge, in the County
of Surrey, 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 :-
In dust shoots as at present used an opening is made in the shoot for every
storey of the house, these openings being closed by door. This arrangement is
found to be objectionable owing to the upblast in the shoot blowing the dust into
the house when a door is opened.
According to this invention a receiver is provided for the dust. The receiver

page_text: is made in the shape of a closed horizontal cylinder with a portion of the
cylindrical surface omitted, the end plates of the receiver being provided with axles
and lips. The receiver works in a fixed cylinder having two openings one into
the house and the other into the shoot. The end plates of the fixed cylinder have
holes and grooves to receive the axles and lips on the end plates of the receiver.
The receiver is revolved by a handle attached to one of the axles.
When it is desired to empty dust into the shoot the handle is turned until the
opening in the receiver coincides with the opening in the fixed cylinder, the dust
is emptied into the receiver and the handle, is again turned and the dust falls out
of the receiver into the shoot. By these means the dust in the shoot can never
be blown into the house, since when one opening in the fixed cylinder is open the
other is shut.
DESCRIPTION OF THE DRAWINGS.
Figures 1 and 2 are transverse sections of the apparatus, the receiver being
open to the house and the shoot respectively.
Figures 3 and 4 are longitudinal sections (each showing one end only of the
apparatus) in similar positions. The down shaft of the shoot is not shown in these
figures but it is on the right hand side of Figures 1 and 2.
The receiver is formed of the cylindrical plate a and two end plates b.
The
ends have lips or flanges c formed on them and carry axles d to one of which a
handle e is fixed. f is the fixed cylinder and g g are its end plates which have
grooves in them to receive the lips c and are connected together by the stays h.
is a spring plate to prevent dust from passing round between the fixed cylinder.
and the receiver.
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. A dust shoot provided with a receiver capable of being opened alternately to
the shoot and to the house substantially as described.
2. A dust shoot substantially as described and shown in the drawings.
Dated this 4th day of Januow 1905
WALTER PHILLIPS HEATH.
THOMAS HALL.
HENRY ANGWIN.
J. W. GARNHAM.
HENRY SMITH.
WALTER PHILLIPS HEATH.
THOMAS HALL.
HENRY ANGWIN.
J. W. GARNHAM.
HENRY SMITH.