US189963A - Improvement in tooth-brushes - Google Patents
Improvement in tooth-brushes Download PDFInfo
- Publication number
- US189963A US189963A US189963DA US189963A US 189963 A US189963 A US 189963A US 189963D A US189963D A US 189963DA US 189963 A US189963 A US 189963A
- Authority
- US
- United States
- Prior art keywords
- brush
- fiber
- tooth
- brushes
- tucum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000835 fiber Substances 0.000 description 42
- 241000348397 Astrocaryum aculeatum Species 0.000 description 22
- 235000007909 Astrocaryum tucuma Nutrition 0.000 description 22
- 210000004209 Hair Anatomy 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000000088 Lip Anatomy 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 201000002372 amelogenesis imperfecta type 1G Diseases 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B7/00—Bristle carriers arranged in the brush body
- A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
Definitions
- Figure l is a crosssection of the brush with the tucum fiber drawn into the center row of holes.
- Fig. 2 shows the same with the central bunches of fibers bent together and sewed through to consolidate them.
- Fig. 3 is a similar cross-section of the brush, with tufts of tucum in holes at each side of the central bunches of fiber.
- Fig. 4. is a similar cross-section, showing the rows of brushes'in place; and
- Fig. 5 is an elevation of the handle-socket adapted to receive the tooth-brush heads.
- Fig. 6 shows the brush-head before the tucum fiber and bristles are inserted in place.
- the body of the brush is, by preference, made of a larger mass'of fiber than can be drawn into such holes, and, being ofa comparatively soft texture, the fiber requires support.
- bunches a of fiber are connected to the brush-head b by the lacing of wire 0, passing through the middle row of holes and over each tuft, as illustrated in as at d, Fig. 2.
- next rows of holes at each side of the center row are now filled with tufts of said tucum fiber, in a manner similar to the tufts of hair or bristles employed in the ordinary way of making tooth-brushes, as shown at i, Fig. 3.
- Fig. 4 shows the brush as trimmed ofi'.
- a tooth-brush made of bunches of tucum fiber, surrounded by bunches of hairs or bristles, substantially as and for the purposes set forth.
Landscapes
- Brushes (AREA)
Description
s swEvENs. mow BRUSH.
No. 189,963. Patented April 24,1877.
. Y 60. Q/. g
\PEI'ERS. FHOTo-LITHQGRA' iii. WASHINGTON D Unrrnn STATES Parana- @rrrcn.
SAMUEL STEVENS, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN TOOTH-BRUSHES.
Specification forming part of Letters Patent No. 189,963, dated April 24,1877; application filed February 14, 1877.
To all whom t'tmay concern:
Be it known that I, SAMUEL STEVENS, of
A Boston, in the State of Massachusetts, have invented an Improvement in- Tooth-Brushes, of which the following is a specification:
In Letters Patent No. 160,552, granted to me, a tooth-brush made of tucum fiber is described. This fiber, becoming soft with water, is liable to spread, and the toothbrush assumes an objectionable shape.
To overcome this difficulty I make use of tufts of tucum fiber, inclosed with tufts of bristles or hair, which serve to hold up the tucum fiber while in use or drying.
I make the brush in a peculiar manner, so as to insure great strength in the attachment of the fiber, and a separate handle is employed with removable heads, so that difi'ercut qualities of brush-heads may be used in the same handle.
In the drawing, Figure l is a crosssection of the brush with the tucum fiber drawn into the center row of holes. Fig. 2 shows the same with the central bunches of fibers bent together and sewed through to consolidate them. Fig. 3 is a similar cross-section of the brush, with tufts of tucum in holes at each side of the central bunches of fiber. Fig. 4. is a similar cross-section, showing the rows of brushes'in place; and Fig. 5 is an elevation of the handle-socket adapted to receive the tooth-brush heads. Fig. 6 shows the brush-head before the tucum fiber and bristles are inserted in place.
In the manufacture of tooth-brushes it is usual to draw the tufts'of fiber into the holes that are bored into the head by wires, that are either laid through channels in the back, or through longitudinal holes.
In this mode of manufacture, when the tucum fiber is employed, the body of the brush is, by preference, made of a larger mass'of fiber than can be drawn into such holes, and, being ofa comparatively soft texture, the fiber requires support.
In order to make the brush in the most reliable manner, bunches a of fiber are connected to the brush-head b by the lacing of wire 0, passing through the middle row of holes and over each tuft, as illustrated in as at d, Fig. 2.
The next rows of holes at each side of the center row are now filled with tufts of said tucum fiber, in a manner similar to the tufts of hair or bristles employed in the ordinary way of making tooth-brushes, as shown at i, Fig. 3.
The outside rows of bristles or hairs it are now inserted and secured as usual, and the brush is ready for trimming off to the fibers to the proper length. Fig. 4 shows the brush as trimmed ofi'.
These outside rows of bristles or hair may be used with tufts of tucum fiber drawn into all the inner holes in the usual manner, and forming the interior portion of the brush.
It is very convenient to have two or more brushes with the fibrous portion of different lengths, quality, and stifi'ness, but to carry several such, especially when traveling, 0ccupies space, and they are cumbersome.
I avoid this by making the tooth-brush heads b detached fromthe handle 1, and providing a socket, m, preferably of sheet metal, with a rim around it of a size and shape to receive the movable heads b, such socket being attached at one end to the handle, as at m, and there is a spring, t, inserted at the end of the handle I, so that this spring is compressed in the. act of introducing the end of the brush-head beneath the lip o of the socket, so that there is a sufficient friction of the outer end of the tooth-brush head in the socket to retain the said head in the socket; but the brush and head can be easily withdrawn from the socket by the insertion of any pointed instrument through the hole at s in the back.
By this means I am able to introduce one of several tooth-brush heads, and to change them as may be desired.
I claim as my inventionl. A tooth-brush made of bunches of tucum fiber, surrounded by bunches of hairs or bristles, substantially as and for the purposes set forth.
2. The bunches of tucum fiber a, connected rows of hairs or bristles 70, substantially as set to the brush-head b by the wire a, and seforth. cured. in a folded condition by the binding Signed by me this 9th day of February, wires or threads d, as and for the purposes 1877.
set forth. SAML. STEVENS.
3. In combination with the central row of Witnesses: folded fiber, secured by the wire 0, and sew- GEO. T. PINGKNEY,
ing at d, the rows of fiber at z, and outside CHAS. E. SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US189963A true US189963A (en) | 1877-04-24 |
Family
ID=2259370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US189963D Expired - Lifetime US189963A (en) | Improvement in tooth-brushes |
Country Status (1)
Country | Link |
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US (1) | US189963A (en) |
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0
- US US189963D patent/US189963A/en not_active Expired - Lifetime
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