IMPROVEMENTS IN BOXES FOR CONTAINING TOOTH POWDER AND OTHER SUCH LIKE POWDERS
Year: 1875

page_text: LETTERS PATENT to William Henry Harrison, of Oxendon House,
Oxendon, in the County of Northampton, for the Invention of
"IMPROVEMENTS IN BOXES FOR CONTAINING TOOTH POWDER AND OTHER SUCH
LIKE POWDERS.”
Sealed the 10th August 1875, and dated the 1st March 1875.
PROVISIONAL SPECIFICATION left by the said William Henry
Harrison at the Office of the Commissioners of Patents, with
his Petition, on the 1st March 1875.
I, WILLIAM HENRY HARRISON, of Oxendon House, Oxendon, in the
County of Northampton, do hereby declare the nature of the said
Invention for "IMPROVEMENTS IN BOXES FOR CONTAINING TOOTH POWDER AND
OTHER SUCH LIKE POWDERS," to be as follows:-
In boxes for containing tooth powder it is desirable that a small
quantity of the powder should be applied on to the brush each time of
using it without spilling any of the powder or moistening the powder
which remains in the box. To effect this I divide the box with a

page_text: horizontal partition into two divisions. The tooth powder is to be
contained in the upper division, and as it is required for use is withdrawn
through small slots in the horizontal partition. Above or below the
partition is carried a slide, by which these slots are ordinarily closed,
and the escape of the powder prevented. To withdraw a charge of
powder on to the bristles of a tooth brush the brush is inserted with the
bristles upwards into the lower compartment of the box from one end
of it, and the end of the brush is pressed against the back end of the
slide, which is bent downwards to allow the brush to come against it.
The slide is by the brush pressed back until slots in it correspond with
the slots in the partition. A small quantity of the powder then falls on
to the bristles of the brush. When the brush is withdrawn the slide is
again pressed forward by a spring contained in a small compartment at
the back end of the box, and the further escape of powder from the box
is thus cut off. I prefer the spring to be an inverted V spring, the end
of one limb of the spring pressing against the back end of the slide, and
the other limb against the end of the box.
A lid or slide is provided for admitting of the upper division of the
box being filled with powder, and also a lid or slide for closing the end
of the box where the brush is inserted into it, as above described.
Boxes for containing plate powder and other such like powders
which require to be applied by a brush may be constructed in a similar
manner.
SPECIFICATION in pursuance of the conditions of the Letters Patent
filed by the said William Henry Harrison in the Great Seal 2
Patent Office on the 1st September 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
HENRY HARRISON, of Oxendon House, Oxendon, in the County of
Northampton, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her 3
Letters Patent, bearing date the First day of March, in the year
of our Lord One thousand eight hundred and seventy-five, in the
thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said William Henry Harrison,

page_text: +
Her special license that I, the said William Henry Harrison, my
executors, administrators, and assigns, or such others as I, the said
William Henry Harrison, my. executors, administrators, and assigns,
should at any time agree with, and no others, from time to time and
at all times thereafter during the term therein expressed, should and
lawfully might make, use, exercise, and vend, within the United King-
dom of Great Britain and Ireland, the Channel Islands, and Isle of
Man, an Invention for "IMPROVEMENTS IN BOXES FOR CONTAINING TOOTH
POWDER AND OTHER SUCH LIKE POWDERS," upon the condition (amongst
others) that I, the said William Henry Harrison, my executors or
administrators, by an instrument in writing under my, or their, or one
of their hands and seals, should particularly describe and ascertain the
nature of the said Invention, and in what manner the same was to be
performed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the
said Letters Patent.
NOW KNOW YE, that I, the said William Henry Harrison, do
hereby declare the nature of the said Invention, and in what manner
the same is to be performed, to be particularly described and ascertained
in and by the following statement thereof, that is to say :-
In boxes for containing tooth powder it is desirable that a small
quantity of the powder should be applied on to the brush each time of
using it without spilling any of the powder or moistening the powder
which remains in the box. To effect this I divide the box with a
horizontal partition into two divisions. The tooth powder is to be
contained in the upper division, and as it is required for use is withdrawn
through small slots in the horizontal partition. Above or below the
partition is carried a slide, by which these slots are ordinarily closed,
and the escape of the powder prevented. To withdraw a charge of
powder on to the bristles of a tooth brush the brush is inserted with the
bristles upwards into the lower compartment of the box from one end
of it, and the end of the brush is pressed against the back end of the
slide, which is bent downwards to allow the brush to come against it.
The slide is by the brush pressed back until slots in it correspond with
the slots in the partition. A small quantity of the powder then falls on
to the bristles of the brush. When the brush is withdrawn the slide is
again pressed forward by a spring contained in a small compartment at
the back end of the box, and the further escape of powder from the box

page_text: is thus cut off. I prefer the spring to be an inverted V spring, the end
of one limb of the spring pressing against the back end of the slide, and
the other limb against the end of the box.
A lid or slide is provided for admitting of the upper division of the
box being filled with powder, and also a lid or slide for closing the end 5
of the box where the brush is inserted into it as above described.
Figure 1 is a vertical section, Figure 2 is a horizontal section, Figure 3
is a side elevation, and Figure 4 an end view of a box constructed
according to my Invention and adapted to contain tooth powder.
a, a, are the sides of the box, and 6 the lid hinged to one of the
sides; c is a partition dividing the interior of the box into two com-
partments; the upper compartment is to receive the tooth powder,
which is introduced by an opening d in the front; e is a sliding cover
for closing the aperture d when the powder has been put in. In the
partition o are slots c¹; and fis a slide with corresponding slots f¹; g is
a spring, which when unconstrained presses on the end f° of the slide
and holds the slide in such a position that the slots c¹ and f¹ do not
coincide, the powder consequently cannot escape.
When it is desired to cause the discharge of a small quantity of the
powder on to the hairs of a tooth brush the brush is introduced into
the lower compartment of the box and pressed against the end f* of the
slide f, and so the spring g is overcome and the slidef brought to such
a position that the slots c¹ and f¹ coincide, and then the required
discharge of the powder on to the hairs of the brush takes place.
When the brush is withdrawn the slots c¹ are again closed by the
slide f.
Figure 5 is a front elevation. Figure 6 a side elevation and Ficure 7

page_text: contain plate powder required to be discharged in small quantities for
use into a tray provided to receive it.
a are the sides of the box, and 6 the lid; c is a partition dividing the
interior into two compartments; the upper compartment receives the
plate powder; c¹ is a slot in the partition c; and f is a slide with a
corresponding slot f¹; 9 is a spring pressing upon the end f' of the
slide f, and tending to hold the slide in the position in which the
Drawing shows it, and then the powder cannot descend; is the tray,
into which the powder is to be received. It is adapted to enter the lower
compartment of the box, into which it fits as a drawer; i is a bolt on
the front of the box to prevent the tray falling out. To obtain plate
powder for use the tray is first pressed somewhat further in beyond the
position in which the Drawing shows it, so as to move the slidef and
bring about the coincidence of the slots c¹ and f¹%; the powder then
descends into the tray, and afterwards the tray is removed with the
powder in it for use.
I claim, the construction of boxes for containing tooth powder and
other such like powders, substantially as described.
In witness whereof, I, the said William Henry Harrison, have
hereunto set my hand and seal, this Thirtieth day of August, in
the year of our Lord One thousand eight hundred and seventy-
five.