Improvements in Paint and other Brushes and Brooms.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in Paint and other Brushes and Brooms.
I, ALFRED OSBORNE, of The Cottage, Pershore Road, Kings Norton, in the County
of Worcester, Plumber, do hereby declare the nature of this invention to be as
follows:-
:-
This invention relates to brushes and brooms, but principally to that class of
brushes used by painters, and consists in the one part, in clamping loose bristles
within the ferrule or cap terminating the lower part of the stock, and in another
part, in means for advancing forward the bristles as the brush wears.
In carrying out my invention in connection with a paint brush, I provide the
inner end of the stock with a split, divided, or semi-divided cap, ferrule or bristle-
carrier, wherein the inner end of a clump of bristles or hairs-are-held-after_their
position within the said casing cap or ferrule has been adjusted to the required
length. Thus the inner termination of the stock is formed tubular or hollow and
in segments, or with the sides split or partly divided so as to admit of the walls
of the same being collapsed or drawn around the inner end of the clump of bristles
by the closing of the same circumferentially by means of a contracting band or
Within the inside
equivalent closed by a nut and screw or similar expedient.
crown of this cap or ferrule is a false bottom having a screwed stalk directed from
the middle of its outer side and taking up an axial hole made up the inner end of the
stalk, which has formed within it, a gap wherein a nut or equivalent takes, and with
the screw of the false bottom taking through its screwed eye, so that when the nut
is rotated, the bottom, which works telescopically within the cap or ferrule, is made
to traverse and force outwards the bristles by the pressure exerted by the said false
bottom against their inner ends, so that when the pressure of the clamping ferrule
is relaxed the bristles can be forced outwards to any desired extent so as to com-
pensate for wear, and the false bottom can be made to retire to the inner end of
the ferrule when a new set of bristles require to be inserted, or the false bottom may
be made in the form of a contracting clamp, for holding the extreme tip ends
of the bristles, whilst the ferrule simply forms a guide or outside casing enclosing
the same.
As a further form, the cap may be made split or in sections and be closed by a screw
with a conical lead; and which, when screwed up, draws the split parts or sections
upon the tuft of bristles and there holds them.
The stock may be secured to the ferrule either by a supplementary socket, or
otherwise. The expanding and contracting socket or ferrule for the bristles may
be split, and in taper sections which may be drawn together by running a band
up the taper by a screw nut or equivalent although any suitable contracting means
may be employed for clamping the bristles.
The application of my invention to dusting and other brushes, brooms and the

page_text: like differs in no essential respect from its application to paint brushes as herein
described.
Dated thin 10th dose of T11007
Improvements in Paint and other Brushes and Brooms.
I, ALFRED OSBORNE, of The Cottage, Pershore Road, Kings Norton, in the County
of Worcester, Plumber, 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:-
This invention relates to brushes and brooms, but principally to that class of
brushes used by painters, and consists in the one part, in clamping loose bristles
within the ferrule or cap terminating the lower part of the stock, and in another
part, in means for advancing forward the bristles so as to compensate for any wear
of the same.
Figure 1 of the accompanying drawing represents an elevation of a painters brush.
constructed according to one form of my invention.
Figure 2 is a complete vertical section of the same, showing the arrangement
provided for advancing the bristles within the cap or ferrule of the brush.
Figure 3 is an elevation of the brush, showing the movable part of the sectional
bristle-clamping cap or ferrule opened out and the bristles removed.
The same letters of reference indicate corresponding parts in the said
Figures 1, 2 and 3 of the drawing.
In carrying out this form of my invention in connection with a paint brush, I
provide the inner end a¹, of the stock a, which is made hollow and preferably from
sheet metal, with a split or divided cap, ferrule or bristle carrier b, comprising a
fixed section 61, and a movable section 6, the latter being connected to the former
by a hinge joint b³. With the said ferrule, the inner end of a clump of bristles
or hairs c, are held after their position within the said casing, cap or ferrule has been
adjusted to the required length. Thus the inner termination of the stock is formed
tubular or hollow and in segments, or with the sides split or divided so as to admit
of the walls of the same being drawn circumferentially around the inner end of the
clump of bristles, and in which position they are clamped by key wires d, passed
down coinciding knuckles or tubular edges 64, 65, arranged alternately on the
respective meeting edges of the ferrule or cap sections, it being understood that the
mouth or lower end 66, of the said cap is of less diameter than the crown thereof,
being contracted, if necessary, by an internal ring 67, so as to provide a proper grip
upon the bristles. Within the inside of this cap or ferrule is a sliding diaphragm
or false bottom e, having a stalk el, directed upwardly from the middle of its upper
side and taking into the lower and hollow end fl, of a screw-ended stem f, the
wormed part of which passes through the screwed eye gl, of a stationary nut or
block g, secured to a fixed diaphragm or plate g³, arranged within the inside crown
of the cap. The extreme lower end f³, of the said stem bears upon the top of the
sliding diaphragm, whilst the upper and plain part f, passes outwardly through
the open upper end a², of the stem a, and terminates in a head f, or other convenient

page_text: grip, by which the stem may be turned for traversing outwards the diaphragm e,
which rests upon the top of the bristles.
Thus, when the said stem is rotated, the said diaphragm or bottom plate, which
works telescopically within the cap or ferrule, is made to traverse and force outwards
the bristles through the pressure exerted by it against their inner ends, and the
bristles can be forced outwards to any desired extent so as to compensate for wear.
When one set of bristles is entirely worn out and requires to be replaced by new
ones, the key wires d, are withdrawn, the hinged section of the cap opened out (as
shown in Figure 3) and the worn bristles removed.
The screwed stem is then turned back, when the diaphragm be made to retire to
the inner end of the ferrule, after which a new set of bristles is inserted, and then
clamped by closing together and fastening the sections of the split ferrule.
The false bottom may be made in the form of a clip or contracting clamp for
holding the extreme tip ends of the bristles, whilst the ferrule simply forms a
guide or outside casing enclosing the said bristle clamp, which is capable of being
traversed by a screwed stem and nut or other means.
The expanding and contracting socket or ferrule for the bristles may be split, and
in taper sections which may be drawn together by running a band up the taper
by a screw nut or equivalent, although any suitable contracting means may be
employed for clamping the bristles.
Figure 4 is an elevation of a white-wash, dusting or like brush constructed accord-
ing to another form of my invention, but in which the bristles are adjusted by hand
instead of by mechanical means as described in the preceding arrangement.
Figure 5 is a vertical section of Figure 4, upon the dotted line ..
a is the stock and b is the ferrule, which is made sectional, with hinged sides or
flaps 6, the lower edges of which are beaded at 62, to receive the legs d', of an
elongated U-shaped locking wire or frame d. The inner ends of the bristles are
placed between the flaps which are then closed down upon the said bristles, which
are clamped by forcing the locking wire, up the beadings 62, and securing the same
by nuts d³, and washers d, placed upon the screwed and extending ends d³, of the
said legs.
When it is required to adjust the bristles, the locking wires are withdrawn and
the bristles are pulled out of the ferrule to the desired extent by hand and then
again affixed in their adjusted positions by fastening together the flaps of the clamp-
ing ferrule.
By my invention, I dispense with the binding of the bristles of paint and like
brushes, with cord, near to the stocks, which is commonly done by painters and
others in order to give the desired degree of stiffness thereto, such stiffness being
acquired in my improved brushes, by mechanically adjusting the position of the
bristles relative to the ferrule whereto they are secured.
The application of my invention to dusting and other brushes, brooms and the
like differs in no essential respect from its application to paint brushes as herein
described.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I claim
18:-
:
First In paint and other brushes, brooms and the like, regulating or adjust-
ing the length of the bristles, by adjustably securing their inner ends within a
ferrule or cap, or a split or sectional ferrule or cap.
Secondly: In paint and other brushes, brooms and the like, regulating or
adjusting the length of the bristles, by means of a traversing plunger or plate,
impinging against the inner ends of the said bristles, which are clamped or held
within a hollow ferrule or cap, or within a split or sectional and contracting ferrule
or cap.
Thirdly: In paint and other brushes, brooms and the like, regulating or adjust-
ing the length of the bristles, by securing their inner ends in a traversing clamp or

page_text: clip, mounted and sliding within a hollow ferrule or cap, substantially as herein
described.
L
A1 1000
ALFRED OSBORNE.
By Henry Skerrett,
24, Temple Row, Birmingham, Agent for Applicant.