US1766388A - Brush - Google Patents

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Publication number
US1766388A
US1766388A US288919A US28891928A US1766388A US 1766388 A US1766388 A US 1766388A US 288919 A US288919 A US 288919A US 28891928 A US28891928 A US 28891928A US 1766388 A US1766388 A US 1766388A
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United States
Prior art keywords
holes
bundles
brush
tubes
stock
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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
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US288919A
Inventor
Kovacs Janos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CARL HULLER
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CARL HULLER
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Filing date
Publication date
Application filed by CARL HULLER filed Critical CARL HULLER
Application granted granted Critical
Publication of US1766388A publication Critical patent/US1766388A/en
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier

Definitions

  • My invention relates to brushes and its chief object is to provide novel ⁇ means for firmly securing the bundles in their holes in such a manner that the bundles may beeasily removed and replaced when theyy have worn out.
  • the bundles are secured by the wedging action of tubes or rods which are so inserted in the stock that each wedging element will act on a multiplicity of bundles(
  • My improved fastening means is particularly adapted for cylindrical brushes subjected to a heavy wear, as those used with street-sweeping machines.
  • a hollow metallic roller is preferably used as the stock, the
  • Fig. 1 is a side view partly in section of a cylindrical stock
  • FIG. 2 is an end view of the same;
  • Fig. 3 shows a r portion of the brush in cross section on a larger scale;
  • Fig. 4 shows a tube provided with a point to facilitate introduction into one of the longitudinal perforations of ⁇ the stock.
  • the cylindrical stock l is provided with radial holes 2 for the reception of the bundles 3. These holes 2 are arranged in longitudinal gitudinal rows longitudinal perforations 4:
  • the tubes 5' are at one end internally screw-threaded to receive a guiding point (S as shown in Fig. 4;.
  • a guiding point S as shown in Fig. 4;.
  • the point 6 is removed to be used for the introduction of another tube.
  • the points 6 are replaced by screw-bolts 7 with countersunk heads. rlhese bolts 7 serve at the same time to secure the end plate S which is provided with a central rectangular opening 9 .forthe reception of the driving shaft not shown.
  • brushes with smaller stocks rods may be used instead of the tubes 5 as Wedging elements.
  • the invention is not limited to cylindrical brushes 'as the above-described vfastening means may be employed with all kinds of longitudinal rows.
  • a brush comprising a stock provided with a multiplicity of holes grouped in longitudinal rows, andvwith perforations running ⁇ vbundles become'loose and may be drawn out grouped in transversely to the axes of said holes, extend- Y ing to substantially the whole length of said stock and partially penetratinginto said holes, brush bundles inserted in' said holes and elongate bodies filling in said perfora- 'f tions so as to wedge said bundles in said holes.
  • a brush comprising a cylindrical stock provided with a ⁇ multiplicity ofV radial holes arranged in longitudinal rows running'parallel with the axis of the cylindrical stock, and with longitudinal perforations formed between said longitudinal rows of holes so as to partially penetrate into the adjacent rows of holes, brush bundles inserted into said holes and tubes lling in said perforations so as to wedge the bundles in the holes.

Description

June24, 1930. ....KovAcs BRUSH Filed June 28, 1928 w w 4 ,wm
Patented June 24, 1930 UNETE@ STATES erica JANos Kovacs, or BUDAPEST, HUNGARY, Assieivoia To enen rifa-Lana, or wun'rfrnra- BERG, GERMANY BRUSH Application lcd June 28. 1928, Serial No. 288,919,'and in Hungary July 1, 1927.
My invention relates to brushes and its chief object is to provide novel `means for firmly securing the bundles in their holes in such a manner that the bundles may beeasily removed and replaced when theyy have worn out.
Vith this object in view, the bundles are secured by the wedging action of tubes or rods which are so inserted in the stock that each wedging element will act on a multiplicity of bundles( My improved fastening means is particularly adapted for cylindrical brushes subjected to a heavy wear, as those used with street-sweeping machines. A hollow metallic roller is preferably used as the stock, the
holes for the bundles being drilled radially and in a plurality of straight parallel longitudinal rows. Between each pair ofv adjacent rows the hollow roller is longitudinally perforated, the perforations being of so large a diameter that they partially penetrateinto the radial holes of bot-h adjacent rows so that when the longitudinal perforations are filled in by tubes or rods, the bundles located in the radial holes are compressed by the wedging action of the adjacent pair of tubes or rods.
ln the accompanying drawings, I illustrate a. preferred embodiment of my invention by way of example. Fig. 1 is a side view partly in section of a cylindrical stock; Fig.
2 is an end view of the same; Fig. 3 shows a r portion of the brush in cross section on a larger scale; Fig. 4 shows a tube provided with a point to facilitate introduction into one of the longitudinal perforations of` the stock. Y The cylindrical stock l is provided with radial holes 2 for the reception of the bundles 3. These holes 2 are arranged in longitudinal gitudinal rows longitudinal perforations 4:
are formed with so largeV a diameter that the tubes 5 introduced into, and perfectly filling in, these perforations el partially penetrate` brushes in which the bundles are into the radial holes 2 of both adjacent rows with the result that the bundles 3 preferably consisting of bass or piassaba fibres and previously located in the holes 2 are forcibly compressed and thereby firmly secured in their holes.
To facilitate the introduction of the tubes 5', they are at one end internally screw-threaded to receive a guiding point (S as shown in Fig. 4;. After the tube is introduced in place, the point 6 is removed to be used for the introduction of another tube. ln the inserted tubes the points 6 are replaced by screw-bolts 7 with countersunk heads. rlhese bolts 7 serve at the same time to secure the end plate S which is provided with a central rectangular opening 9 .forthe reception of the driving shaft not shown. In brushes with smaller stocks rods may be used instead of the tubes 5 as Wedging elements. Y p
In order `to remove the bundles 3, it suffices to drive out the tubes 5 or rods,L whereby the from their holes 2 so'that worn bundles may The invention is not limited to cylindrical brushes 'as the above-described vfastening means may be employed with all kinds of longitudinal rows.
Y VhatI claim is l. A brush comprising a stock provided with a multiplicity of holes grouped in longitudinal rows, andvwith perforations running` vbundles become'loose and may be drawn out grouped in transversely to the axes of said holes, extend- Y ing to substantially the whole length of said stock and partially penetratinginto said holes, brush bundles inserted in' said holes and elongate bodies filling in said perfora- 'f tions so as to wedge said bundles in said holes.
2. A brush comprising a cylindrical stock provided with a` multiplicity ofV radial holes arranged in longitudinal rows running'parallel with the axis of the cylindrical stock, and with longitudinal perforations formed between said longitudinal rows of holes so as to partially penetrate into the adjacent rows of holes, brush bundles inserted into said holes and tubes lling in said perforations so as to wedge the bundles in the holes.
In testimony whereof I have signed my naine to this speeieation.
JNOS KOVCS.
US288919A 1927-07-01 1928-06-28 Brush Expired - Lifetime US1766388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU1766388X 1927-07-01

Publications (1)

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US1766388A true US1766388A (en) 1930-06-24

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US288919A Expired - Lifetime US1766388A (en) 1927-07-01 1928-06-28 Brush

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767418A (en) * 1951-07-26 1956-10-23 William A Lombardi Brush construction
US3010132A (en) * 1958-04-03 1961-11-28 Ind Brush Company Brush construction of optimum working bristle length
US4662044A (en) * 1982-09-04 1987-05-05 Tohken Co., Ltd. Descaler and wire brush for use in the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767418A (en) * 1951-07-26 1956-10-23 William A Lombardi Brush construction
US3010132A (en) * 1958-04-03 1961-11-28 Ind Brush Company Brush construction of optimum working bristle length
US4662044A (en) * 1982-09-04 1987-05-05 Tohken Co., Ltd. Descaler and wire brush for use in the same

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