An Improved Hydrant.
Year: 1891

page_text: Date of Application, 18th June, 1891-Accepted, 18th July, 1891
COMPLETE SPECIFICATION.
[Communicated from abroad by WILLIAM TREGEAR, of Burwood, in the Colony
of New South Wales, Turncock.]
An Improved Hydrant.
I, HENRY EDWARD NEWTON of the Office for Patents, 6 Bream's Buildings,
Chancery Lane in the County of Middlesex, Patent Agent, 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 improved hydrant consists of an outer metal case having a clear water-way
in a vertical line with the riser, and furnished with a recess to receive the valve
when the water-way is open. The valve consists of a circular disc that is secured
in any convenient way to one extremity of a horizontal arm. The other extremity
of the horizontal arm is formed into a nut, operated upon by a vertical screw that
is placed in a second recess in the case. The horizontal arm passes from the recess
containing the screw through an inclined radial slot into the water-way of the
hydrant. The case is furnished with a cover that is secured to it in the usual
way with bolts and nuts. The underneath of the cover over the water-way serves
as a valve seat, and that part over the screw recess is furnished with a gland,
stuffing box, and thrust bearing, for the spindle of the screw to work in.
In the accompanying drawing,
Fig. 1 is a plan of the hydrant, with the cover and valve removed.
Fig. 2 is a vertical section on the line 1-2 of Fig. 1, showing the valve on its
seat, and the water-way closed.
Fig. 3 is a vertical cross section on the line 3-4 of Figs. 1 and 2, and shewing
the valve in its recess and the water-way open.
Fig. 4 is an elevation of the hydrant, the screw connection for attaching the hose
being shewn.
Fig. 5 is a plan of the valve and horizontal arm.
Figs. 6 and 7 are a side and end elevation respectively of a modified form of
valve and horizontal arm.
A, A, A, is the outer case. B is the valve recess. C is the recess for the screw
to work in. D is the radial inclined slot. E E is the cover. F is the gland,
and f the stuffing box through which the spindle h of the screw H passes. G is
the screw to which the hose is attached. H is the screw that operates the
horizontal arm K through the nut k. The valve L rests on the underside of
the cover at l. The valve L may be of any suitable construction; that shewn
in the drawing consists of a metal disc, attached to the upper side of the
horizontal arm K, and covered with a leather or other washer that is secured
to the arm by a rivet-headed bolt, the spherical surface of this rivet headed
bolt assisting to guide the valve onto its seat when the water-way is being closed.
The radial inclined portion of the slot D does not extend quite up to the cover E,
the last portion of the slot being vertical and straight (see d Fig. 3).
Presuming the water-way to be closed, as shewn in Fig. 2, in order to open
it, the turncock will fit his key on the square head of the screw spindle h, and
turn the screw H. This will cause the nut k to descend the vertical portion of
the slot D, thus removing the valve L squarely off its seat l. As the nut k
descends, the arm K will impinge against the lower slide of the radial inclined
slot D, and the valve L will thus be guided into the valve recess B in the case,
where it will remain clear of the water-way. By thus removing the valve from.
the water-way, there will practically be little or no friction on the water as it
issues from the main.
It will he seen that in my improved bredrant the valve closer on its scoot in the

page_text: direction of the flow of the water; the pressure of water thus assisting to keep
the valves firm and tight.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed (as communicated to me
from abroad), I declare that what I claim is
1. In hydrants, the recess B, as described and for the purposes herein set forth.
2. In hydrants, the radial inclined slot D, as specified, and for the purposes herein
set forth.
3. In hydrants, the horizontal arm K that carries the valve as herein specified,
and as shewn in the drawing.
4. The general arrangement & combination of parts in the improved hydrant,
as specified, and for the several purposes herein set forth.
Dated this 16th day of June 1891.