An Improved Gully Trap.
Year: 1898

page_text: Date of Application, 15th Sept., 1898
An Improved Gully Trap.
James End, Northampton,
ROBERT WHITE, Stone Mason, 44, l'ark Road, S
do hereby declare the nature of this invention to be as follows:
The object of my invention is to construct a simple shackle trap and gully
combined that will keep back vermin and poisonous gasses, which generate in
sewers with which drains are connected. To attain this object I construct a
gully and trap with clay or other suitable material as per (Figure 1), the two
sides of which have a groove to insert a division or tongue which shall go to a
necesary distance below the outlet to make a trap when the gully is charged
with water; on the top edge of the tongue or division I make a flange to fit in
a rebate which if bedded in clay or mortar will effectually prevent any smell
ascaping from the sewer. The tongue may easily be removed to clean out the
gully or any obstruction which may engage the shackel (B Fig. 1) to prevent its
effectually closing.
Within the outlet of the gully I insert a disc or shackel of metal or other
suitable material balanced by two pins or gudgeon that will always remain
closed except when water enters the gully then the then the shackel will lift
sufficiently to allow water to pass into the drain; after which its own weight
will close it again and so preventing anything coming into the gully from the
drain or sewer; by removing the tongue or division the shackel can be instantly
taken out and gully cleaned out without disturbing the drain in anyway what-
ever; over the gully 1 place an iron or earthenware grating in the usual way.
ROBERT WHITE, Stone Mason, 44. Park Road, St. James End, Northampton,
I 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 object of my invention is to construct a shackel and gully trap combined;
that will keep back all vermin and poisonous gasses which generate in sewers
with which drains are connected
To attain this object I construct a gully made of clay or other suitable material
as Figure 1, the two sides of which have a grove to insert a division or tongue

page_text: which shall go to a nessesary depth below the outlet to make a trap when the
gully is charged with water. On the top edge of the tongue or division I make a
Hange to fit in a rebate (see A Fig 1) which is beded in clay or mortar. The
tongue being moveable may easily be removed to clean out gully or any obsti uc-
tion which may engage the shackle (B Fig. 1 of drawing left with Provisional
Specification) and preventing its effectively closeing.
Within the outlet of the gully I insert a disc of metal or other material
balanced by two pins or gudgeons that it will always remain closed except when
water is flowing into the gully then the shackle will lift to allow the water to
pass into the drain or sewer, after which its own weight will close it again and
so prevent anything coming back into the gully from drain or sewer;
By withdrawing the tongue the shackle may be taken out and replaced, and
the gully thoroughly cleaned out without disturbing the drain in any way what-
ever, over the gully I place an iron grating;
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:-
First. The moveable tongue to form a trap.
Second. The moveable shackle as described to prevent backflow from drain.
ROBERT WHITE,
Stone Mason, 44, Park Road, S. James End, Northampton.