AN IMPROVE- MENT IN BRUSHES
Year: 1877

page_text: LETTERS PATENT to Henry Rosenthal, of the City, County, and State of
New York, United States of America, for the Invention of "AN IMPROVE-
MENT IN BRUSHES.”
Sealed the 11th May 1877, and dated the 26th March 1877.
COMPLETE SPECIFICATION filed by the said Henry Rosenthal at the Office
of the Commissioners of Patents on the 26th March 1877.
HENRY ROSENTHAL, of the City of New York, in the County of New York, and
State of New York, in the United States of America.
"AN IMPROVEMENT IN
BRUSHES."
My Invention relates to an improvement in brushes, and it consists in the
arrangement and combination of parts that will be more fully described herein-after,
whereby the bristles are divided up into sections or parcels, and each section or
parcel secured in a small rectangular metal frame, which can be removed from the
handle at will, so that the bristles can be cleaned or applied to another handle.
It further consists in the manner of securing the metal frame or ferrules to the head
of the brush, & in the manner of heating the butt ends of the bristles.
The accompanying Drawings represent my Invention.
a represents a suitable handle that may be made in any form or shape that may
be preferred, and which has secured to its sides by means of screws the inetal
strips_c. These strips project considerably beyond the edges of the handle and
extend around the ends as shown; and each one has a deep crease or groove d
formed in it, just on a level with the edges of the handle. Placed upon the edge of
this handle are a number of small metallic frames e having the flanges g projecting
outward from two of its edges, so as to catch in the creases d.
Instead of the flanges g projecting outward, as shown, the flanges may be turned
downward, so as to overlap the edges of the handle, and be secured in position by
means of a screw, and thus be made stationary instead of movable. The butt ends
of the bristles are first treated with a mixture of hot oil and shellac, or other
suitable compounds; and after they have been drawn into position or the handle
driven up through them they are laid before a hot fire, or otherwise to the action
of heat, so as to cause the mixture to penetrate them thoroughly. The cement as
it dries causes the bristles to adhere together and to become as it were one solid
block of clay or stone.

page_text: ..
To still further tighten the bristles in the ferrule a wedge-shaped block, or a series
of them, may be driven into the centre of the same, as shown in the Drawings.
Instead of forming the ferrules with straight sides, as above described, they may
be inclined from the head to the base on their two outer sides and straight on their
other two sides, and be held in position on the head by means of side strips, which
also incline towards each other from the head to the base. These strips form a
frame, into which the ferrules slide, one end of the frame being made to slide in
suitable guides, so that it can be removed for the insertion of the ferrules. After
the ferrules are inserted in position the end is locked by means of a suitable set
screw or other device, thus holding the ferrules securely in position; or the ferrules
may be still more firmly held by passing a screw rod through them all.
When desired a double row of the sections may be secured to the head as shown,
their outsides being held by the strips c, and the flanges on their inner sides being
held by a strip v, which has its two lower edges cut away, so as to catch over the
tops of the flanges.
The sections for round brushes may either be made separate or all may be formed
together in a single piece, and be held in position by the flange around the circular
strip x. In either case there will be a hole p through their centres, through which
the handle will be driven.
All the ferrules are formed with square corners. By thus dividing the bristles
into sections they can be casily cleaned, and when worn too short for use in a large
brush, two, three, or any number of them may be placed upon a smaller handle, and
thus an excellent new brush be formed. In order that the handle may be made
longer or shorter as desired there may be a socket made in the part a and a series
of holes, into which socket the end of the long rod may be inserted to any desired
depth, & fastened by means of a set screw or other suitable fastening. When
desired a number of the ferrules may be made in a single piece, as shown.
Having thus described ny Invention, I claim,-
1st. The metallic frame e provided with the flanges g, so that they may be
rigidly or removably attached to the handle, as shown.
2nd. The combination of the handle a and strips c for holding the frames e in
position.
3rd. In a brush a metallic frame with a removable end piece in combination with
a series of square brush sections sliding therein and rendered stationary sub-
stantially in the manner herein set forth.
4th. The manner described of treating the butt ends of the bristles by dipping
them in an oily cement & then subjecting them to the action of heat, substantially
as shown.
5th. A brush provided with a double row of renovable ferrules, that are secured
to the head by devices substantially as described.
In witness whereof, I, the said Henry Rosenthal, have hereunto set my hand
& seal, this Fifth day of February, A.D. 1877, in the City, County, &
State of New York United States of America
GEORGE E. ABBOTT.
MANN MAGNUS.
HENRY ROSENTHAL. (L.S.)

page_text: Fig. 12.
e
e