US1647499A - Pipe-brushing machine - Google Patents

Pipe-brushing machine Download PDF

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US1647499A
US1647499A US136763A US13676326A US1647499A US 1647499 A US1647499 A US 1647499A US 136763 A US136763 A US 136763A US 13676326 A US13676326 A US 13676326A US 1647499 A US1647499 A US 1647499A
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brush
frame
brushes
pipe
machine
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US136763A
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Edwin P Bly
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Standard Oil Company of California
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Standard Oil Company of California
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00Material or article handling
    • Y10S414/123Hollow cylinder handlers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/45Scale remover or preventor
    • Y10T29/4506Scale remover or preventor for hollow workpiece
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/45Scale remover or preventor
    • Y10T29/4567Brush type

Definitions

  • This invention relates to a machine for brushing a surface to clean it forany purpose. This is often necessary about industrial plants to prepare surfaces that are to A be painted. While the invention is intended to be useful in any situation requiring the -brushing of a surface of large area, it is described by way of example in the present specification as applied to brushing of pipe. It is frequently necessary to brush long lengths of pipe or pipe lines to prepare them for receiving paint.
  • the general objectof this invention is to provide a simple power-driven machine for performing this operation; also to provide a machine of this kind in which the pressure of the brushes on the surface can be'regulated;
  • One of the objects of the invention is to provide a machine of this kind in which the zones or areas brushed by the brushes will overlap, so as .toenable the machine to clean a broad zone as the machine advances.
  • one of the objects of the invention is to provide simple means for supporting the brushes to enable them to reach substantially the entire upper side of the pipe, and to provide means for regulating the pressure of i the brushes against the surface of the pipe.
  • the invention consists in the novel parts and combination of parts to be described hereinafter, all of which contribute to produce an efficient pipe brushing machine.
  • Figure 1 is a front elevation of a machine embodying my invention and having a special con'str-uetion adapting it for brushing a pipe, whichis shown in cross section.
  • Figure 2 is a side elevation of the machine shown in Fig. 1, partly dismantled so as to facilitate the disclosure of its construction.
  • Figure "3 is a vertical cross section taken about on the line 3-3 of Fig. 2.
  • I provide a movable frame constructed to be moved over the surface which is to be brushed; this frame carries a plurality of rotary brushes and these brushes are preferably pivotally supported on the frame so as to swin toward the surface.
  • I provide means for pressing the brushes against the surface, and means for rotating them ontheir. axes. I also provide means for adjusting the pressure of the brushes against the surface.
  • 1 represents the frame of themachine, which may be of any suitable construction but in the present instance comprises two end plates 2 and 3, the former of which is provided with handles 4 enabling the frame to be shoved along on the upper side of the pipe 5. If desired; the end plates 2 and 3 may be provided with a pair of rollers 6 at each end which roll on theupper side of the pipe.
  • the .frame also includes a plurality of longitudinal frame bars or "tie bars which connect the end plates. 'In the present instance,
  • supporting bars 7 there are four supporting bars 7 disposed near the .corners of the end plates, and these bars are referred to he einafter as lateral supporting bars.
  • I provide acentrally disposed supporting bar 8 which is located in the central plane of the frame and directly over the pipe.
  • Fig. 3 two brushes 9 and '10 are illustrated. These brushes are alike and are attached respectively to brush arms 11 and 12.-
  • the brush arm 11 is pivotally supported on the central bar 8 and extends down on one side of the pipe, the brush 9 being attached toa brush shaft 13 which is driven to rotate the brush on its axis.
  • the brush preferably has a concaveface 14 to fit the periphery of the pipe. 1
  • Each brush arm and brush constitutes a brushing unit, and these units are similarly constructed. Practically the only difi'erence between them is in the point at which they are supported in the frame.
  • thebrush arm 12 is. supported on a pivot or horizontal pin 15 carried at the lower end of a. hanger 16 rigidl attached, for example, by welding to one o the upper lateral supporting bars 7.
  • the upper end of each brush arm is provided with arms 17 connected by a sleeve 18 receiving the pivot pin 15.
  • Each of these motors is mounted with its axis of rotation on the axis of the arms. From the lower end of the motor a tubular housing 20 extends down to the brush, and this housing envelopes the driving shafts 13 of the brushes.
  • the brush arm which is attached to the upper lateral supporting arm extends across above the upper side of the pipe, while the brush arm 11 simply hangs down from the center bar to hold its brush 9 against the side of the pipe,
  • Means are provided for pressing the brushes against the pipe and for resisting the lateral thrust of the brushes on their arms, which thrust is developed by the contact of the brush with the pipe.
  • li provide means supported on the supporting bars and connected to the brush arms preferably below the motors 19, that is to "say, between each motor and its corresponding brush.
  • said spring carrier being in the form of a spring barrel 22 with a spring 23 within the same.
  • Means is provided for imparting the pressure from this spring to the brush arm, and for this purpose I provide a plston rod 24 which is guided through the upper end or head 25 of the spring barrel and carri a piston 26 sliding within the spring barre
  • the spring is disposed between the head 25 and the piston 26, and a compresslo i spring exerting its force in a downward d1- rection.
  • the lower end of the piston rod 24 is attached by a pivot pin 2 to a collar 28 in the form of a split ring adjustably bolted on the housing 20 for the brush shaft.
  • the spring barrel is supported between the forks 21 by diametrically opposite pins or trunnions 29, and these trunnions are carried on opposite sides of an adjustable clamping ring 30 which is clamped on the barrel. By loosening up the clamping bolt 31 of this clamping ring, the barrel can be adjusted further down, if desired, to increase the ressure of the spring, or it may be adjusted urther up to reduce the pressure of the spring.
  • the brush arm 11 is held against the side of the. pipe by a similar spring holding device 32, which is constructed in the same way as the spring barrel 22 and its associated parts, except that the hanger 33 for the spring barrel is attached to'one of the lower ineaeee lateral supporting bars 7 which is adjacent to the brush 9.
  • the motors 19 shall be pneumatic motors, and 1n order to supply them with operating fluid, such as compressed air, I provide a manifold 34 extending along the upper side of the frame and provided with individual flexible hose connections 35, which connect to the forks 17 which carry the motors. Said forks are provided with passages 36 which conduct the air down to the motors.
  • a machine for brushing a surface thecombination of a movable frame con structed to be moved in a certain direction over the surface, a plurality of rotary brushes pivotally supported on the frame to swing in a plane substantially at right angles to the said direction of advance and toward the surface, said brushes mounted so as to rotate on axes in a plane substantially at right angles to the said direction of advance, means for pressing the' brushes against the surface, and means for rotating the brushes on'tlieir axes.
  • a machine for brushing "a surface
  • a frame constructed so as to be capable of movement along the surface, a plurality of brush arms pivotally mounted on the frame,'a brush mounted to rotate on the axis of each brush arm, means for pressing the brushes against the surface, and means for rotating each brush.
  • a movable frame constructed to be capable ofmoving along the surface
  • a plurality of brush arms pivotally mounted on the frame
  • a motor carried on each brush arm a brush carried on each arm actuated by the motor
  • means for pressing each brush against the surface and means for supplying operating fluid to the motors.
  • a machine for brushing a surface the combination of a frame constructed so as to be capable of moving along the surface, a plurality of supporting bars extendinig substantially parallel to the direction of a vance of the frame, a plurality of brush arms pivot-ally mounted on the said bar's, brushes carried by the brush arms, means for pressing the brushes against the surface to be brushed, and means for rotating the brushes.
  • a'machine for-brushing a surface the combination of a frame constructed so as to be capable of moving along the surface, a plurality of supporting bars extending substantially parallel to the direction of advance of the frame, a plurality of vbrush arms pivotally mounted on the said bars,
  • brushes carried by the. brush arms and mounted to rotate on the longitudinal axes of the arms, respectively, motors mounted on the arms, respectively, for driving the brushes, and means for supplyingioperating fluid to the motors.
  • a frame constructe so as to be capable of moving along the pipe
  • a plurality of brush arms ivotal- 1y mounted on the frame and having rushes engaging the sides of the pipe at different points on the periphery thereof
  • means for pressing the brushes against the ipe means for pressing the brushes against the ipe
  • a motor mounted on each brush arm or driving the brushes, and means for supplying operating fluid to the motor.
  • a frame contructed so as to be capable of moving along t e surface saidframe havin I a substantially central supporting bar disposed over the position of the pipe and a pair of laterally disposed supporting bars, a pair of brush arms pivotally supported on the centrally disposed supporting bar and having brushes engaging the pipe on opposite sides, a pair of brush arms pivotally supported on the.lat-- eral supporting bars extending transversely to the frame and having brushes respectively engaging the upper side of the pipe at opposite points, and means for driving the brushes.
  • a frame with wheels for supportingthe same to move along the upper side of the pipe said frame including 'asubstantially central supporting bar and lateral supporting bars, a pair of brush arms pivotally supported on the central bar and extending downward toward each side of the pipe, a brush carried by each of the said brush arms to rotate on its longitudinal' axis, a brush arm ivotally supported on-each of said latera supportingbars and'extending across the upper s'de of the stantially transverse to the direction of ad-,-
  • Vance of the frame a brush carried on the carrier to rotate in a plane transverse to the ion plane of movement of the carrier on its pivot, and means connected with the brush carrier for resisting the lateral. thrust on the carrier developed by the contact of the brush with the surface.
  • a machine for brushin the combination of a frame capa 1e of being moved over the surface, a brush arm pivotally mounted on the frame to swing in a plane substantially transverse to the direction of advance of the frame, a motor carried on the arm, a brush shaft driven by the motor, a brush carried thereby, a housing surrounding the bru h shaft, a spring-barrel supported on the frame and having a spring with means for imparting pressure on the housing to hold the brush against the surface.
  • a spring-barrel means for pivotally supporting the same to swing on a transverse axis, a'spring in the barrel, a plunger within the barrel pressed by the spring, and means connecting the same with the brush arm-to press the brush against the surface.
  • a frame capa 1e of being moved over a surface a brush arm pivotally mounted on the frame to swin in a plane transverse to the direction of a vance of the frame, a brush carried thereby, a spring-barrel, means for adjustab y supporting the spring-barrel on the frame, enabling the spring-barrel to be adjusted toward 'orfrom the brush arm, a spring in thespring-barrel, and means actuated by the spring and connected with the brush arm to press the brush against the surface.

Description

Nov. 1, 1927.
E. P. BLY
PIPE BRUSHING MACHINE Filed Sept. 21. 1926 attoz we? Patented Nov. 1, 1927.
UNITED s'rars Lamas)- I EDWIN P. BIJY, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR TO STANDARD OIL COM- PANY OF CALIFORNIA, OF SAN FRANCISCO, CALIFORNIA, A CORPORATION OF DELAWARE.
- PIPE-BRUSHING/MACHINE.
Application filed September 21, 19296. Serial No. 136,763. I
This invention relates to a machine for brushing a surface to clean it forany purpose. This is often necessary about industrial plants to prepare surfaces that are to A be painted. While the invention is intended to be useful in any situation requiring the -brushing of a surface of large area, it is described by way of example in the present specification as applied to brushing of pipe. It is frequently necessary to brush long lengths of pipe or pipe lines to prepare them for receiving paint.
The general objectof this invention is to provide a simple power-driven machine for performing this operation; also to provide a machine of this kind in which the pressure of the brushes on the surface can be'regulated;
and to provide a machine which can be readily moved by hand over the work or surface to be brushed.
One of the objects of the invention is to provide a machine of this kind in which the zones or areas brushed by the brushes will overlap, so as .toenable the machine to clean a broad zone as the machine advances. .As applied to a machine for brushing pipe, one of the objects of the invention is to provide simple means for supporting the brushes to enable them to reach substantially the entire upper side of the pipe, and to provide means for regulating the pressure of i the brushes against the surface of the pipe.
Further objects of the invention will appear hereinafter.
The invention consists in the novel parts and combination of parts to be described hereinafter, all of which contribute to produce an efficient pipe brushing machine.
A preferred embodiment of the invention is described in the following specification, while the broad scope of the invention is pointed out in the appended claims.
In the drawing:
Figure 1 is a front elevation of a machine embodying my invention and having a special con'str-uetion adapting it for brushing a pipe, whichis shown in cross section.
Figure 2 is a side elevation of the machine shown in Fig. 1, partly dismantled so as to facilitate the disclosure of its construction.
Figure "3 is a vertical cross section taken about on the line 3-3 of Fig. 2.
In practicing the invention, I provide a movable frame constructed to be moved over the surface which is to be brushed; this frame carries a plurality of rotary brushes and these brushes are preferably pivotally supported on the frame so as to swin toward the surface. In addition to th1s, I provide means for pressing the brushes against the surface, and means for rotating them ontheir. axes. I also provide means for adjusting the pressure of the brushes against the surface.
I shall now describe a machine embodying these features which is of special construction adapting it for brushing a pipe.
Referring particularly to thedrawings, 1 represents the frame of themachine, which may be of any suitable construction but in the present instance comprises two end plates 2 and 3, the former of which is provided with handles 4 enabling the frame to be shoved along on the upper side of the pipe 5. If desired; the end plates 2 and 3 may be provided with a pair of rollers 6 at each end which roll on theupper side of the pipe. The .frame also includes a plurality of longitudinal frame bars or "tie bars which connect the end plates. 'In the present instance,
there are four supporting bars 7 disposed near the .corners of the end plates, and these bars are referred to he einafter as lateral supporting bars. In addition to this, I provide acentrally disposed supporting bar 8 which is located in the central plane of the frame and directly over the pipe.
In Fig. 3, two brushes 9 and '10 are illustrated. These brushes are alike and are attached respectively to brush arms 11 and 12.- The brush arm 11 is pivotally supported on the central bar 8 and extends down on one side of the pipe, the brush 9 being attached toa brush shaft 13 which is driven to rotate the brush on its axis. The brush preferably has a concaveface 14 to fit the periphery of the pipe. 1
Each brush arm and brush constitutes a brushing unit, and these units are similarly constructed. Practically the only difi'erence between them is in the point at which they are supported in the frame. For example, thebrush arm 12 is. supported on a pivot or horizontal pin 15 carried at the lower end of a. hanger 16 rigidl attached, for example, by welding to one o the upper lateral supporting bars 7. In order to facilitate this attachment, the upper end of each brush arm is provided with arms 17 connected by a sleeve 18 receiving the pivot pin 15. I prefer to mount the brushes to rotate on the longitudinal axes of the arms, and I also prefer. to provide an individual motor 19 for lid driving each brush. Each of these motors is mounted with its axis of rotation on the axis of the arms. From the lower end of the motor a tubular housing 20 extends down to the brush, and this housing envelopes the driving shafts 13 of the brushes.
It will be noted that the brush arm which is attached to the upper lateral supporting arm extends across above the upper side of the pipe, while the brush arm 11 simply hangs down from the center bar to hold its brush 9 against the side of the pipe,
Means are provided for pressing the brushes against the pipe and for resisting the lateral thrust of the brushes on their arms, which thrust is developed by the contact of the brush with the pipe. In, order to accomplish this, li provide means supported on the supporting bars and connected to the brush arms preferably below the motors 19, that is to "say, between each motor and its corresponding brush. In the case of the brush 10, l[ rovide a hanger 21 attachedto the central ar 8, 'and this hanger has two forks which support a spring carrier,
said spring carrier being in the form of a spring barrel 22 with a spring 23 within the same. Means is provided for imparting the pressure from this spring to the brush arm, and for this purpose I provide a plston rod 24 which is guided through the upper end or head 25 of the spring barrel and carri a piston 26 sliding within the spring barre The spring is disposed between the head 25 and the piston 26, and a compresslo i spring exerting its force in a downward d1- rection.
The lower end of the piston rod 24 is attached by a pivot pin 2 to a collar 28 in the form of a split ring adjustably bolted on the housing 20 for the brush shaft. The spring barrel is supported between the forks 21 by diametrically opposite pins or trunnions 29, and these trunnions are carried on opposite sides of an adjustable clamping ring 30 which is clamped on the barrel. By loosening up the clamping bolt 31 of this clamping ring, the barrel can be adjusted further down, if desired, to increase the ressure of the spring, or it may be adjusted urther up to reduce the pressure of the spring.
The brush arm 11 is held against the side of the. pipe by a similar spring holding device 32, which is constructed in the same way as the spring barrel 22 and its associated parts, except that the hanger 33 for the spring barrel is attached to'one of the lower ineaeee lateral supporting bars 7 which is adjacent to the brush 9.
While I prefer to employ an individual motor for each brush, any suitable means may be provided for driving the brushes. I
prefer that the motors 19 shall be pneumatic motors, and 1n order to supply them with operating fluid, such as compressed air, I provide a manifold 34 extending along the upper side of the frame and provided with individual flexible hose connections 35, which connect to the forks 17 which carry the motors. Said forks are provided with passages 36 which conduct the air down to the motors.
As indicated in Fig. 1, it will be evident that by duplicating the construction for supporting thebrushes that is illustrated in Fig. 3, four brushes will be provided, two of which will engage the pipe at nearly diametrically opposite points. These two brushes would correspond to the brush 9 illustrated in Fig. 3. Likewise there would be two brushes 10 intermediatefylocated between the brushes 9. As the machine is moved along, each brushbrushes a zone on the pipe. The width of these brushes is -suf-' crating the machine. This valve is connected to a flexible hose, 38 which supplies the compressed air to the machine.
It is understood that the embodiment of the invention described herein is only one of the many embodiments this invention may take, and I do not wish to be limited in the practice of the invention, nor in the claims, to the particular embodiment set forth.
What I claim is t 1. In a machine for brushing a surface, thecombination of a movable frame con structed to be moved in a certain direction over the surface, a plurality of rotary brushes pivotally supported on the frame to swing in a plane substantially at right angles to the said direction of advance and toward the surface, said brushes mounted so as to rotate on axes in a plane substantially at right angles to the said direction of advance, means for pressing the' brushes against the surface, and means for rotating the brushes on'tlieir axes.
2. In a machine for brushing "a surface, the combination of a frame constructed so as to be capable of moving along the surface, a plurality of rotary brushes pivotally supported on the frame to swing in a plane substantially at right angles to the direction of advance of the frame, each brush operating to engage a zone of the surface, said brushes being out of alignment with eachx other and mounted so that the zones brushed by the brushes overlap each other,
and means for pressing the brushes into contact with the surface.
3. In a machine for brushing a surface, the combination of a frame constructed so as to be capable of movement along the surface, a plurality of brush arms pivotally mounted on the frame,'a brush mounted to rotate on the axis of each brush arm, means for pressing the brushes against the surface, and means for rotating each brush.
.4. In a machine for brushing a surface, the combination of a movable frame constructed to be capable ofmoving along the surface, a plurality of brush arms pivotally mounted on the frame, a motor carried on each brush arm, a brush carried on each arm actuated by the motor, means for pressing each brush against the surface, and means for supplying operating fluid to the motors.
5. In a machine for brushing a surface, ,the combination of a frame constructed so as to be capable of moving along the surface, a plurality of supporting bars extendinig substantially parallel to the direction of a vance of the frame, a plurality of brush arms pivot-ally mounted on the said bar's, brushes carried by the brush arms, means for pressing the brushes against the surface to be brushed, and means for rotating the brushes.
6. a'machine for-brushing a surface, the combination of a frame constructed so as to be capable of moving along the surface, a plurality of supporting bars extending substantially parallel to the direction of advance of the frame, a plurality of vbrush arms pivotally mounted on the said bars,
brushes carried by the. brush arms and mounted to rotate on the longitudinal axes of the arms, respectively, motors mounted on the arms, respectively, for driving the brushes, and means for supplyingioperating fluid to the motors.
7 In a machine for brushing the surface of a pi e, the combination of a frame constructe so as to be capable of moving along the pipe, a plurality of brush arms ivotal- 1y mounted on the frame and having rushes engaging the sides of the pipe at different points on the periphery thereof, means for pressing the brushes against the ipe, a motor mounted on each brush arm or driving the brushes, and means for supplying operating fluid to the motor.
8. In a machine for brushing the surface of a pipe, the combination of a frame contructed so as to be capable of moving along t e surface, saidframe havin I a substantially central supporting bar disposed over the position of the pipe and a pair of laterally disposed supporting bars, a pair of brush arms pivotally supported on the centrally disposed supporting bar and having brushes engaging the pipe on opposite sides, a pair of brush arms pivotally supported on the.lat-- eral supporting bars extending transversely to the frame and having brushes respectively engaging the upper side of the pipe at opposite points, and means for driving the brushes.
9. In a machine for brushing the surface of a pipe, the combination of a frame with wheels for supportingthe same to move along the upper side of the pipe, said frame including 'asubstantially central supporting bar and lateral supporting bars, a pair of brush arms pivotally supported on the central bar and extending downward toward each side of the pipe, a brush carried by each of the said brush arms to rotate on its longitudinal' axis, a brush arm ivotally supported on-each of said latera supportingbars and'extending across the upper s'de of the stantially transverse to the direction of ad-,-
Vance of the frame, a brush carried on the carrier to rotate in a plane transverse to the ion plane of movement of the carrier on its pivot, and means connected with the brush carrier for resisting the lateral. thrust on the carrier developed by the contact of the brush with the surface. i
H. In a machine fo the combination of a f me capable of being moved over the surface, a brush arm pivotally mounted on the frame to swing in a' plane substantiallytransverse to the direction of advance of the frame, a rotary brush carried by the arm to rotate in a plane transverse to the plane inwhich the arm swin brushing a, surface,
means forrotating the brush, and means or holding the same in contact with the surfaceand for resisting the-lateral thrust on the arm developed by the contact of the brush with the surface.
12. In a machine for brushin "a surface,
the combination of a frame capa le of being moved over the surface, a brush arm pivotally mounted onthe frame to swin in a plane transverse to the direction of a vance of the frame, a-brush rotatably mounted on the brush arm for engaging'the surface, a motor mounted on the brush arm for rotating the brush, a spring holder supported on the frame connected with the arm and having a spring for forcing the arm down to press the brush against the surface and operating to resist the lateral thrust dethe velo ed in the brush arm by the contact of rush with the surface. I 13. In a machine for brushin the combination of a frame capa 1e of being moved over the surface, a brush arm pivotally mounted on the frame to swing in a plane substantially transverse to the direction of advance of the frame, a motor carried on the arm, a brush shaft driven by the motor, a brush carried thereby, a housing surrounding the bru h shaft, a spring-barrel supported on the frame and having a spring with means for imparting pressure on the housing to hold the brush against the surface.
14. In a machine for brushing a surface,
the combination of a. frame capable of being moved over the surface, a brush arm pivotally supported on the frame and extending transversely to the direction of advance of the frame, a brush carried by the brush arm, means for rotating the brush on the ,axis of a surface,
mam
the arm, a spring-barrel, means for pivotally supporting the same to swing on a transverse axis, a'spring in the barrel, a plunger within the barrel pressed by the spring, and means connecting the same with the brush arm-to press the brush against the surface.
15. In a machine for brushin a surface, the combination of a frame capa 1e of being moved over a surface, a brush arm pivotally mounted on the frame to swin in a plane transverse to the direction of a vance of the frame, a brush carried thereby, a spring-barrel, means for adjustab y supporting the spring-barrel on the frame, enabling the spring-barrel to be adjusted toward 'orfrom the brush arm, a spring in thespring-barrel, and means actuated by the spring and connected with the brush arm to press the brush against the surface.
Signed at San Francisco, California, this 13th day of September 1926.
' v EDN P. ELY,
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US2730791A (en) * 1953-05-04 1956-01-17 United States Steel Corp Method and apparatus for breaking scale from a rod
US2823398A (en) * 1955-09-26 1958-02-18 D M Curran Pipeline weld cleaning machine
DE1143732B (en) * 1956-01-27 1963-02-14 Eugene Fouquet Device for grinding turning pieces
US3092156A (en) * 1960-06-03 1963-06-04 Ernest A Hayden Chain saw attachment for sawing round logs
US3108301A (en) * 1960-08-02 1963-10-29 Ind Brush Company Brush cleaning device for generally vertical surfaces
US3112851A (en) * 1960-01-28 1963-12-03 Bendix Corp Method of and apparatus for deburring rubber-like articles
US3274633A (en) * 1965-04-06 1966-09-27 Cable Clean Corp Portable power cable cleaner
US3348342A (en) * 1964-07-22 1967-10-24 Joseph P Zachek Finishing machine
US4286449A (en) * 1976-09-21 1981-09-01 Bruno Spreafico Machine for mechanical pickling of wires with the aid of rolling
US4502250A (en) * 1982-09-13 1985-03-05 3-D Enterprises, Inc. Grinding apparatus
US4877386A (en) * 1988-12-20 1989-10-31 J.M. Huber Corporation Automated sucker rod cleaning apparatus
US5197837A (en) * 1992-02-24 1993-03-30 General Electric Company Broach tool chip remover
WO2000044509A1 (en) * 1999-01-15 2000-08-03 Steinar Hansen Device for cleaning
US20080286064A1 (en) * 2007-05-09 2008-11-20 Maurizio Sbetti Device for deburring end portions of tubes
FR2951094A1 (en) * 2009-10-13 2011-04-15 Chayoux DEVICE FOR CLEANING THE OUTSIDE OF A PIPE
WO2011087371A1 (en) * 2010-01-15 2011-07-21 Surnadal Sjøservice As Device for cleaning floating aquaculture collars

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GB2489170B (en) * 2010-01-15 2014-07-16 Surnadal Sj Service As Device for cleaning floating aquaculture collars

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