US2466257A - Motor-driven paint brush - Google Patents

Motor-driven paint brush Download PDF

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Publication number
US2466257A
US2466257A US625381A US62538145A US2466257A US 2466257 A US2466257 A US 2466257A US 625381 A US625381 A US 625381A US 62538145 A US62538145 A US 62538145A US 2466257 A US2466257 A US 2466257A
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brushes
motor
housing
shaft
paint
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Expired - Lifetime
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US625381A
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Herbert E Moore
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A46B13/04—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances

Definitions

  • This invention relates to a motor paint brush, and an object of my invention is to provide a power-driven brush particularly adapted to painting window frames and sash, or any other substantially narrow strip.
  • Anotherobject of my invention is to provide a novel motor paint brush in which there are two oppositely positioned brushes and adjustable relative to each other whereby the painting tip of the brush can be varied in thickness to correspond to the object worked upon.
  • Still another object is to provide a novel motor paint brush, which can be quickly and easily mounted upon a fluid or electric motor of the portable type, and without requiring a change in the construction of the portable motor.
  • a feature of my invention resides in the inclosed construction of the housing, in which the movable parts are fitted, thereby enabling these movable parts to be effectively oiled.
  • Still another feature resides in the novel construction of the housing whereby the bristles of the brushes are parted as these pass over the housing thus reducing wear on the bristles, and also preventing the paint from splattering.
  • Figure 1 is a side elevation of the driving portable motor, the painting attachment being shown in vertical section.
  • Figure 2 is a side elevation of my motor paint brush as viewed from the bottom with part of the brush bristles not shown.
  • Figure 3 is a side elevation of my motor paint brush with a painting attachment being shown in vertical section.
  • Figure 4 is a sectional view taken on line 44 of Figure 3.
  • Figure 5 is a side elevation of one of the brushes.
  • the numeral I indicates a portable motor, which may be either the electrical or fluid type, and includes a chuck 2 and a shaft 3 extending from this chuck; this shaft being used in the present invention as a drive shaft.
  • a driving gear 4 is mounted on the outer end of the shaft 3 for the purpose of rotating the brushes as will be further described.
  • the inclosed housing 5 is adapted to accurately fit a structural part of the motor I, such as the nut 6, and the housing is held in position 'by means of set screws I, or similar fastening means.
  • the outer end of the housing 5 is reduced-in width, as shown in Figure l, and it extends to'a point, as shown at 8, so that the bristles of the brush will be gradually spread as they move over this *portion of the housing. This arrangement prevents the paint from splattering and also reduces wear on the brushes themselves.
  • a shaft 9 is journaled in suitable bearings I0 in the housing 5, and a gear I I is attached to the shaft and meshes with the gear 4, thus causing the shaft 9 to rotate with the driving shaft '3.
  • a pair of brushes I2 and I3 are adjustably mounted on the driven shaft 9, as will be further described.
  • the brushes I2 and 13 are identical in construction, except that one is .left and one is right. However, only one will be described in detail.
  • the brushes each consist of a hub I4, through which the shaft 9 extends.
  • the hub I4 is held .in position on the shaft as far as lateral movement is concerned by means of a setscrew I5, or similar device.
  • the bristles I6 of the brushes oppose each other and are pressed together more or less depending upon the relative position of the two brushes on the shaft 9. If it is desired to .provide a wide paint stripe, the brushes I2 and I3 are pulled farther apart on the shaft 9, and the smaller the stripe to be painted, the closer the two brushes will be to each other.
  • a pair of arms I! and I8 extend from the housing 5 and these arms support a paint container I9.
  • the arms I1 and I8 are each slotted,
  • a guide roller 22 is mounted on the outer end of the housing 5, and acts as a gauge or limit stop so that the proper width of brush surface is always presented to the surface worked upon.
  • a motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate.
  • a motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the shaft relative to each other.
  • a motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes.
  • a motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the shaft relative to each other, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes.
  • a motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, the path of travel of both of said brushes being intercepted .by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
  • a motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing,
  • meshing gear means on the drive and driven shafts a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the driven shaft relative to each other, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
  • a motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
  • a motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the driven shaft relative to each other, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.

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Description

Filed 001;. 29, 1945 April 5, 1949. H. E. MOORE 2,466,257
MOTOR DRIVEN PAINT BRUSH 2 Sheets-Sheet l INVENTOR Haber; 5. Nbore.
H. E. MOORE 2,466,257.
MOTOR DRIVEN PAINT BRUSH April 5, 1949.
2 Sheets-Sheet 2 Filed Oct. 29, 1945 INVENTOR fierber'z E. Moore.
% ATTORNEY Patented Apr. 5, 1949 UNITED STATES ATNT OFFICE MOTOR-DRIVEN PAINT BRUSH Herbert E. Moore, Downey, Calif.
Application October 29, 1945, Serial No. 625,381
8 Claims. 1
This invention relates to a motor paint brush, and an object of my invention is to provide a power-driven brush particularly adapted to painting window frames and sash, or any other substantially narrow strip.
Anotherobject of my invention is to provide a novel motor paint brush in which there are two oppositely positioned brushes and adjustable relative to each other whereby the painting tip of the brush can be varied in thickness to correspond to the object worked upon.
Still another object is to provide a novel motor paint brush, which can be quickly and easily mounted upon a fluid or electric motor of the portable type, and without requiring a change in the construction of the portable motor.
A feature of my invention resides in the inclosed construction of the housing, in which the movable parts are fitted, thereby enabling these movable parts to be effectively oiled.
Still another feature resides in the novel construction of the housing whereby the bristles of the brushes are parted as these pass over the housing thus reducing wear on the bristles, and also preventing the paint from splattering.
Other objects, advantages and features of invention may appear from the accompanying drawing, .the subjoined detailed description and the appended claims.
In the drawing:
Figure 1 is a side elevation of the driving portable motor, the painting attachment being shown in vertical section.
Figure 2 is a side elevation of my motor paint brush as viewed from the bottom with part of the brush bristles not shown.
Figure 3 is a side elevation of my motor paint brush with a painting attachment being shown in vertical section.
Figure 4 is a sectional view taken on line 44 of Figure 3.
Figure 5 is a side elevation of one of the brushes.
Referring more particularly to the drawing, the numeral I indicates a portable motor, which may be either the electrical or fluid type, and includes a chuck 2 and a shaft 3 extending from this chuck; this shaft being used in the present invention as a drive shaft.
A driving gear 4 is mounted on the outer end of the shaft 3 for the purpose of rotating the brushes as will be further described.
It is understood that there is incorporated in the motor I a suitable reduction gear so that the speed of the shaft 3 will be proper for paint- 2 ing purposes. These motors with self-contained gearing are usual and well known in the art.
The inclosed housing 5 is adapted to accurately fit a structural part of the motor I, such as the nut 6, and the housing is held in position 'by means of set screws I, or similar fastening means. The outer end of the housing 5 is reduced-in width, as shown in Figure l, and it extends to'a point, as shown at 8, so that the bristles of the brush will be gradually spread as they move over this *portion of the housing. This arrangement prevents the paint from splattering and also reduces wear on the brushes themselves.
A shaft 9 is journaled in suitable bearings I0 in the housing 5, and a gear I I is attached to the shaft and meshes with the gear 4, thus causing the shaft 9 to rotate with the driving shaft '3.
A pair of brushes I2 and I3 are adjustably mounted on the driven shaft 9, as will be further described. The brushes I2 and 13 are identical in construction, except that one is .left and one is right. However, only one will be described in detail. The brushes each consist of a hub I4, through which the shaft 9 extends. The hub I4 is held .in position on the shaft as far as lateral movement is concerned by means of a setscrew I5, or similar device.
The bristles I6 of the brushes oppose each other and are pressed together more or less depending upon the relative position of the two brushes on the shaft 9. If it is desired to .provide a wide paint stripe, the brushes I2 and I3 are pulled farther apart on the shaft 9, and the smaller the stripe to be painted, the closer the two brushes will be to each other.
- As viewed in Figure 3, the brushes rotate counterclockwise, and consequently the brushes will thus first engage the tapered, or pointed, part of the housing 5 causing the bristles to be parted as previously described. This action is best shown in Figure 2.
A pair of arms I! and I8 extend from the housing 5 and these arms support a paint container I9. The arms I1 and I8 are each slotted,
as shown at 20, thus permitting the paint container to be adjusted relative to the bristles I6 of the brushes. In actual use the paint container i9 is held vertically, thus allowing the paint to flow out of a small opening ZI, and thence into the two brushes.
A guide roller 22 is mounted on the outer end of the housing 5, and acts as a gauge or limit stop so that the proper width of brush surface is always presented to the surface worked upon.
Having described my invention, I claim:
1. A motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate.
2. A motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the shaft relative to each other.
3. A motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes.
4. A motor paint brush comprising a portable motor, a housing detachably secured to said motor, a driven shaft journaled in the housing, drive means extending from the motor to said driven shaft, a pair of brushes mounted on said shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the shaft relative to each other, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes.
5. A motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, the path of travel of both of said brushes being intercepted .by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
6. A motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing,
meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the driven shaft relative to each other, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
'7. A motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
8. A motor paint brush comprising a portable motor, a housing detachably secured to the motor, one edge of the housing being pointed, a drive shaft extending from the motor into the housing, a driven shaft journaled in the housing, meshing gear means on the drive and driven shafts, a pair of brushes mounted on said driven shaft, the bristles of said brushes engaging each other as the brushes rotate, and means to adjust said brushes on the driven shaft relative to each other, and paint supply means adjacent the brushes, said supply means being adapted to feed paint on to the brushes, the path of travel of both of said brushes being intercepted by said housing, the pointed portion of said housing acting to smoothly separate the bristles of both of said brushes.
HERBERT E. MOORE.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 276,347 Brown et a1 Apr. 24, 1883 483,503 Smith Sept. 27, 1892 1,051,555 Cockran Jan. 28, 1913 1,240,017 Benedict Sept. 11, 1917 1,951,851 Turner Mar. 20, 1934
US625381A 1945-10-29 1945-10-29 Motor-driven paint brush Expired - Lifetime US2466257A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682637A (en) * 1991-09-30 1997-11-04 O'brien; George A. Scraper brush

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US276347A (en) * 1883-04-24 Machine for painting wire fences
US483503A (en) * 1892-09-27 Machine for painting barbed-wire fences
US1051555A (en) * 1912-04-11 1913-01-28 Thomas J Cochran Wire-painting brush.
US1240017A (en) * 1916-11-09 1917-09-11 Frank Lee Benedict Paint-brush.
US1951851A (en) * 1931-10-03 1934-03-20 Turner Walter Hiram Apparatus for cleaning, polishing, and like purposes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US276347A (en) * 1883-04-24 Machine for painting wire fences
US483503A (en) * 1892-09-27 Machine for painting barbed-wire fences
US1051555A (en) * 1912-04-11 1913-01-28 Thomas J Cochran Wire-painting brush.
US1240017A (en) * 1916-11-09 1917-09-11 Frank Lee Benedict Paint-brush.
US1951851A (en) * 1931-10-03 1934-03-20 Turner Walter Hiram Apparatus for cleaning, polishing, and like purposes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682637A (en) * 1991-09-30 1997-11-04 O'brien; George A. Scraper brush

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