A Cover for Disinfecting and Preventing Smells from Drains, Sewers and the like.
Year: 1899

page_text: Date of Application, 25th Jan., 1899
Complete Specification Left, 24th Oct., 1899-Accepted, 20th Jan., 1900
PROVISIONAL SPECIFICATION.
A Cover for Disinfecting and Preventing Smells from Drains, Sewers
and the like.
HARRY LINDLEY, 38, Dovey Street, Princes Park, Liverpool, South, Litho-
graphic Artist, do hereby declare the nature of this invention to be as follows:-
The invention consists of two doors that swing diagonally on hinges, there are
two covers at top part of doors, there are jams or rests at sides of doors. Above
and underneath, also a bar which runs longitudinally from one end to the other
at the sides of grate and under doors are boxes for holding disinfectant with
inlet to renew the disinfectant when required. When water or any substance is
passing throug doors, tops of doors rest against covers and jams under doors
When doors are closed the bottom of doors rests against longitudinal bar and jams
above doors and so prevents any smell escaping from sewer to street.
Dated this 24th day of January 1899.
HARRY LINDLEY.
A Cover for Disinfecting and Preventing Smells from Drains, Sewers
and the like.
HARRY LINDLEY, 38, Dovey Street, Princes Park, Liverpool, Lithographic
Artist, 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:-
The cover has two sides and two ends.
Along the sides are deflectors marked A. A. and a bar which runs down the
ends marked B. B. Along the sides and in the frame are openings marked C. C.
which are covered at the top, the cover has a pin at one end which the cover
swings on and allows it to open, through the openings can be put disinfectant
which drops through the openings at bottom, on to a ledge or shelf D.D. which
runs from end to end or nearly so, where the disinfectant is exposed to gases
which may arise from sewers and destroys the smell and all offensive effluvia the
doors E. E. which cover the opening from sewers or drains run from end to end,
and swing on pivots or pins F.F. which are fast to ends or screwed through the
ends. The doors are not ballanced in the centre but more towards the top and
swing at an angle, near to the top and fastened to the doors. At back of doors,
are weights G. G. which counterballance the bottom part of doors, and cause the
doors to close as soon as liquid or any substance has passed through. In the centre
Price R71

page_text: of cover, and at the bottom there is a bar H. which runs from end to end, and is
joined to ends, and which the doors rest against when closed, on the face of doors,
is a grove in which is fitted a rubber band which is slightly raised from surface of
doors, and when the doors are closed, three sides of the rubber rest the bottom
part against the bar H and the two sides against the bars B. and the top edge
at back of doors rest against sides so effectively shutting off all escape of gases to
street.
When doors are open, the top part of rubber rest against inside of cover A.A.
and so shuts of gases that may have been behind doors, but as these gases are
disinfected they are harmless. The top grate J. J. is level with the street, and
at one end a strong bar runs from side to side on which grate swings and which
has a strong cover to protect it, the other end of grate is loose, which allows
grate to lift up, when the grate is closed it rests on sides and on top of covers of
openings which close inlet to openings and keeps them fast and clean and safe.
And in order, that the said invention may be more clearly understood and
readily carried into effect, I will proceed aided by accompanying drawings more
fully to describe the same.
Figure (1) is a vertical transverse section representing a sewer, or drain or
gully having the present invention applied thereto showing the doors closed.
Figure (2) is a vertical transverse section representing a sewer or drain or
gully having the present invention applied thereto showing doors open.
Figure (3) is a similar view to Figure 1, but taken at right angles thereto and
showing back of doors.
Figure (4) is a similar view to Figure 2, but taken at right angles thereto and
showing front of doors closed.
The deflectors A.A. cover top part of doors and so prevent any liquid or
sub-
stance which may come through grate on street level getting to back of doors and
they also form a cover to ledge or shelf or trough and prevent any liquid or
substance, coming in contact with disinfectant on ledge or shelf or trough.
The bars B. B. are placed so to protect edges of doors, and they are cast with
deflectors or made to fit close at each end and to bar H. at the other, and when
doors are closed the rubber bands at sides of doors, rest against bars and prevent
gases from escapeing until disinfected.
The openings C.C. are over ledge or shelf or trough and when covering is
raised the disinfectant can be put on to ledge or shelf or trough.
The ledge or shelf or trough D.D. is fastened to sides of cover by angle irons
or screws or cast with covers, and run from end to end of cover, or nearly so and
are placed under top part of doors, and deflectors, so that when doors are closed
all gases ariseing from sewer or drain, must come in contact with disinfectant,
on either side of doors. The doors E.E. which cover the opening or inlet, to
sewer or drain, run from end to end of cover with sufficient clearing to allow
them to work. Swing on pivots or pins which are fast to end or screwed through
end of cover the socket being in a lug, which may be fastened to back of door
or cast with it, the doors are not ballanced in the centre but more towards the
top and swing at an angle, near to the top and fastened or cast, to the doors at
back are weights G. G. which counterbalance bottom part of doors; and cause the
doors to close and keep them closed when liquid or other substance has passed
through, the weights are so adjusted to allow the smallest quantity of liquid or
other substance to open doors and pass through and the doors swinging at an
angle does not allow any liquid or substance to accumulate but pass directly to
sewer or drain. In the centre of cover and at the bottom is a bar H. which
runs from end to end and is joined to cover and which the doors rest against
when closed. on the face of doors is a grove in which is fitted a rubber band
which is slightly raised from surface of doors, and when the doors are closed
three sides of the rubber rest the bottom part against the bar H, and the two
sides against the bars B. this rubber band is used to prevent a bad fit, and also
to make a better fit, of doors to other parts, and the top edges at back of doors

page_text: rest against sides so effectively shutting off all escape of gases to street, until
thoroughly disinfected, when doors are open the top part of rubber rests against
inside of deflectors A.A. and so shuts off gases that may have been behind doors, -
but as these gases are disinfected they are harmless.
The top grate J. is level with the street, and at one end a strong bar runs
from side to side on which grate swings and which has a strong cover to protect
it, the other end of grate is loose, which allows grate to lift up, when the grate
is closed it rests on sides of cover, and on the top of covers to inlets or openings,
which close inlets or openings and keeps them fast and clean and safe.
The device may be made in iron, steel brass or any suitable material and it
may be formed according to the peculiar shape of the sewer, drain or gully in
which it is to be placed.
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:-
In a sewer or drain cover, the combination with a casing provided with pina
projecting inwardly from opposite sides, of doors pivoted on their under sides
intermediate their ends on said pins and provided at their tops with counter-
balancing weights adapted to normally elevate their lower ends to close the
sewer or drain, with rubber bands let into doors on the front surfaces, slightly
raised to prevent the metals coming in contact, and shelves secured to the casing
under the doors adapted to hold disinfectant material, substantially as herein
shown and described.
DL1 COLL 1
£ Damben 1000