US2584738A - Portable power-operated surface abrader - Google Patents

Portable power-operated surface abrader Download PDF

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Publication number
US2584738A
US2584738A US680202A US68020246A US2584738A US 2584738 A US2584738 A US 2584738A US 680202 A US680202 A US 680202A US 68020246 A US68020246 A US 68020246A US 2584738 A US2584738 A US 2584738A
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Prior art keywords
cylinder
abrading
teeth
abrader
portable power
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Expired - Lifetime
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US680202A
Inventor
Paul J Reitz
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GEORGE EDWARD DOLCH
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GEORGE EDWARD DOLCH
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Priority to US680202A priority Critical patent/US2584738A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/188—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with cylinder- or belt-type tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/183—Hand tools, e.g. portable, motor driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits

Definitions

  • My invention relates to a surface abrader for taking down and smoothing surfacea'such as floors, walls or the like, or any surface which is relatively flat.
  • the usual surface abrader uses as the abra- -A.
  • a further object of my invention is to provide a surface abrading machine which may abrade completely up to the edge of a surface such as a floor, so that the surface will be smooth and flat all the way to the walls.
  • Figure 1 is a plan view of my abrading machine I with portions broken to indicate hidden parts.
  • Figure 2 is a side elevation of my abrading machine with portions broken away to show internal mechanism.
  • Figure 3 is a front elevation of my abrading 1 Claim. (01. 144-415) axial with the cylinder.
  • Figure 4 is a cross-section of my novel abrading cylinder taken on the section line "3 1 of Figure -2. k
  • Figure 5 is a side elevation of my abrading cylinder.
  • Figure 6 is a cross-section of the abrading cylinder taken on the section line 66 of Figure 5.
  • Figure 7 is a perspective view of the fan blades positioned within the abrading cylinder.
  • Figure 8 is a side elevation with portions broken away of a modified abrading machine.
  • I have shown an abrading machine primarily for use in abrading floors. However, it is within the contemplation of my invention to provide an abrading machine which may be used on walls or vertical surfaces or even on ceilings.
  • I provide a frame carrying a driven abrading cylinder.
  • the abrading cylinder carries teeth upon its peripheral surface arranged in a spiral and with the spacing between teeth forming a line non-
  • the cylinder is hollow and there are apertures between each "tooth through which the material removed from the surface is sucked by fan blades within the cylindrical abrader. Vacuum means are applied to the cylinder and its surface for removing abrading material and storing it in a sack.
  • I provide a rectangularly shaped frame l with opposite ends 2 and 3 dove-tailed into the frame I so as to be slidable in reference to the frame. Positioned on the bottom of the slides 2 and 3 are casters 4 which ride on the surface being abraded.
  • screw member ii is positioned between the slides 2 and 3 and the frame 1 and by means of sprockets and a chain 8 actuated by a hand wheels, the slides 2 and 3 carrying the casters 4 may be moved in reference to the frame I.
  • I Mounted on the frame I, I provide a motor I2 having a belt l3 which runs over a pulley I 4 attached to the abrading cylinder I0.
  • a chute I3 is adjacent a portion of the periphery of the abrading cylinder l0 and is attached to the intake of an exhaust pump l5.
  • the exhaust pump I 5 is driven by a separate motor and discharges through the aperture it which may be attached to a bag I1.
  • the periphery of the abrading cylinder I 18 positioned slightly below the surface to be abraded by adjusting the plane determined by the casters 4 by means of the hand wheel 9.
  • the novel abrading cylinder which I provide is shown in Figures 4 and 5 and consists of a hollow cylinder 2 I, upon the periphery of which is positioned a plurality of teeth 22. These teeth are spaced apart, as at 23, and follow each other around the periphery of the cylinder in a spiral, as shown in Figure 5. The spacing of the following teeth is such that the spacing line lengthwise -of the abrading cylinder I0 will be non-axial t0 the cylinder III. This positioning of the teeth 22 is quite important since it insures a tooth cutting each portion of the surface being abraded and not following each other to form ridges or grooves in the surface.
  • I provide apertures 24 in the wall of the cylinder 2
  • the abrading cylinder I0 is revolved in a predetermined direction at all times, and the teeth 22 have a cutting edge 26 which cuts and abrades the surface upon which the machine is mounted.
  • the teeth of the abrading cylinder I0 out material from the surface being abraded which is either picked up by the vacuum intake I5 through the hood I3, or is sucked through the apertures 24 and discharged from the end of the cylinder 2
  • the machine does not throw the material removed from the surface about, but picks it up in the vacuum pump and places it in the bag I! or an appropriate container.
  • An abrading device comprising a hollow cylinder with at least one open end mounted on a longitudinal axle spaced away from said cylinder by spokes, said spokes being configured as fan blades and a pulley on said axle for driving said cylinder, said cylinder having an abrading surface and a plurality of apertures communicating with said surface and the hollow interior, said abrading surface comprising a plurality of teeth having cutting edges and arranged in a spiral about the surface of the cylinder, said apertures being located between successive teeth on said spiral.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

P. J. REITZ PORTABLE OWER-OPERATED SURFACE ABRADER Feb. 5, 1952 2 SHEETS-SHEET 1 Filed June 28, 1946 nlll HIIIE fl lur ill H E P. m Wu N m M in m 4 Feb. 5, 1952 P, J, n-z 2,584,738
PORTABLE POWER-OPERATED SURFACE ABRADER Filed June 28, 1945 \2 SHEETSSHEET 2 INVENTOR 1 404 J-fiE/TZ.
ATTORNEYS.
Patented Feb. 5, 1952 N'r sslcs PORTABLE POWER-OPERATED SURFACE ABRADEE Paul J. Reitz, Hamilton, Ohio, assignor of fortynine per cent to George Edward Dolch, Portland, Ind.
hpplicatidn ju'ne '28, 1946, Serial No. 680,202
My invention relates to a surface abrader for taking down and smoothing surfacea'such as floors, walls or the like, or any surface which is relatively flat.
The usual surface abrader uses as the abra- -A.
sive a sanding disc or the like which must be renewed when worn and which tends to scar or composition, linoleum, or any surface having a hardness less than the tempered abrader.
It is a further object of my invention to provide an abrader which is not interfered with by scattered nail heads or hardened spots, but which will cut the nail heads or the spots to the same plane and with substantially the same ease as the remaining portions of the surface.
It is a further object of my invention to provide an abrading cylinder which has an abrading surface which does not ridge or mark the surface being' abraded, but gives a smooth, flat finish.
It is a further object of my invention to provide such an abrader wherein the material teeth of my abraded from the surface is exhausted from the abrading cylinder and stored in a container such as a bag.
A further object of my invention is to provide a surface abrading machine which may abrade completely up to the edge of a surface such as a floor, so that the surface will be smooth and flat all the way to the walls.
It is a further object of my invention to provicle an abrader wherein the abrasive element or mechanism will wear out extremely slowly even when used upon the hardest surfaces.
These and other objects of my invention, which will be set forth hereinafter or will be apparent to one skilled in the art upon reading these specifications, I accomplish by that certain construction and arrangement of parts, of which I shall now describe an exemplary embodiment. Reference is now made to the drawings which form a part hereof and in which:
Figure 1 is a plan view of my abrading machine I with portions broken to indicate hidden parts.
Figure 2 is a side elevation of my abrading machine with portions broken away to show internal mechanism.
Figure 3 is a front elevation of my abrading 1 Claim. (01. 144-415) axial with the cylinder.
2 machine with portions cut away and shown in section to indicate concealed mechanism.
Figure 4 is a cross-section of my novel abrading cylinder taken on the section line "3 1 of Figure -2. k
Figure 5 is a side elevation of my abrading cylinder.
Figure 6 is a cross-section of the abrading cylinder taken on the section line 66 of Figure 5. Figure 7 is a perspective view of the fan blades positioned within the abrading cylinder. Figure 8 is a side elevation with portions broken away of a modified abrading machine. In the drawings and the description which follow, I have shown an abrading machine primarily for use in abrading floors. However, it is within the contemplation of my invention to provide an abrading machine which may be used on walls or vertical surfaces or even on ceilings.
Briefly, in the practice of my invention, I provide a frame carrying a driven abrading cylinder. The abrading cylinder carries teeth upon its peripheral surface arranged in a spiral and with the spacing between teeth forming a line non- The cylinder is hollow and there are apertures between each "tooth through which the material removed from the surface is sucked by fan blades within the cylindrical abrader. Vacuum means are applied to the cylinder and its surface for removing abrading material and storing it in a sack.
Referring to the drawings, I provide a rectangularly shaped frame l with opposite ends 2 and 3 dove-tailed into the frame I so as to be slidable in reference to the frame. Positioned on the bottom of the slides 2 and 3 are casters 4 which ride on the surface being abraded. A
screw member ii is positioned between the slides 2 and 3 and the frame 1 and by means of sprockets and a chain 8 actuated by a hand wheels, the slides 2 and 3 carrying the casters 4 may be moved in reference to the frame I.
Journaled in the frame I, I provide an abrading cylinder Ill. The cylinder is mounted on an axle II which rides in journals on the sideof the frame l.
Mounted on the frame I, I provide a motor I2 having a belt l3 which runs over a pulley I 4 attached to the abrading cylinder I0.
A chute I3 is adjacent a portion of the periphery of the abrading cylinder l0 and is attached to the intake of an exhaust pump l5. The exhaust pump I 5 is driven by a separate motor and discharges through the aperture it which may be attached to a bag I1.
The frame I with the mechanism carried thereby is moved about the surface by means of the usual handle terminating in a bail I8 which 18 attached to the frame I. v
The periphery of the abrading cylinder I 18 positioned slightly below the surface to be abraded by adjusting the plane determined by the casters 4 by means of the hand wheel 9.
I2 revolves the abrading cylinder I0 as well as the supplementary abrading cylinder I9 and cuts the surface to be abraded directly under the main cylinder I0 and the supplementary cylinder I9. Due to the fact that the supplementary abrading cylinder I9 is outside of the frame I, corners of floors or surfaces next to the wall may be abraded.
The novel abrading cylinder which I provide is shown in Figures 4 and 5 and consists of a hollow cylinder 2 I, upon the periphery of which is positioned a plurality of teeth 22. These teeth are spaced apart, as at 23, and follow each other around the periphery of the cylinder in a spiral, as shown in Figure 5. The spacing of the following teeth is such that the spacing line lengthwise -of the abrading cylinder I0 will be non-axial t0 the cylinder III. This positioning of the teeth 22 is quite important since it insures a tooth cutting each portion of the surface being abraded and not following each other to form ridges or grooves in the surface.
Between each of the teeth 22, I provide apertures 24 in the wall of the cylinder 2|, Within the cylinder 2I, I provide fan blades 25 of such configuration that upon revolving the cylinder 2 I, the fan blades 25 will intake through the apertures 24 and exhaust through the end of the cylinder 2 l.
The abrading cylinder I0 is revolved in a predetermined direction at all times, and the teeth 22 have a cutting edge 26 which cuts and abrades the surface upon which the machine is mounted.
In-practice, the teeth of the abrading cylinder I0 out material from the surface being abraded which is either picked up by the vacuum intake I5 through the hood I3, or is sucked through the apertures 24 and discharged from the end of the cylinder 2| into the hood I3.
I have shown in the figures a machine having for a relatively long time. Due to the sharpness of the teeth and their configuration and positioning on the periphery of the abrading cylinder, rel atively hard surfaces may be out and smoothed. In planing or abrading soft material, such as wooden floors, the teeth will shear off any nails which they contact and easily cut down any hardened portion, such as a knot.
The machine does not throw the material removed from the surface about, but picks it up in the vacuum pump and places it in the bag I! or an appropriate container.
From the above it is apparent that I have provided an abrading cylinder having a definitely configured abrading surface which not only cuts through the surface treated, but also forms a flat surface due to the positioning of the teeth on the periphery of the cylinder. It is also apparent that I have provided a machine for actuating and driving as well as positioning my novel abrading cylinder.
It is to be understood that modifications may be made in my invention'without departing from the spirit thereof, and I do not intend to limit myself otherwise than as pointed out in the claim which follows Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
An abrading device comprising a hollow cylinder with at least one open end mounted on a longitudinal axle spaced away from said cylinder by spokes, said spokes being configured as fan blades and a pulley on said axle for driving said cylinder, said cylinder having an abrading surface and a plurality of apertures communicating with said surface and the hollow interior, said abrading surface comprising a plurality of teeth having cutting edges and arranged in a spiral about the surface of the cylinder, said apertures being located between successive teeth on said spiral.
PAUL J. REITZ.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 290,439 Lee Dec. 18, 1883 1,002,678 Grondahl Sept. 5, 1911 1,011,490 Rasmesen Dec. 12, 1911 1,041,240 Chappell Oct. 15, 1912 1,060,041 Wagner Apr. 29, 1913 1,356,337 Clarke Oct. 19, 1920 1,374,345 Wolfe Apr. 12, 1921 1,406,275 Norman Feb. 14, 1922 1,735,594 Anderson Nov. 12, 1929 1,786,096 Theilman Dec. 23, 1930 2,437,668 Adams Mar. 16, 1948 FOREIGN PATENTS Number Country 7 Date 334,725 Great Britain Sept. 11, 1930
US680202A 1946-06-28 1946-06-28 Portable power-operated surface abrader Expired - Lifetime US2584738A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726197A (en) * 1951-10-05 1955-12-06 Shell Dev Catalytic cracking system
US3347596A (en) * 1965-03-01 1967-10-17 Gen Stone And Materials Corp Portable surfacing machine for terrazzo floors
US3740099A (en) * 1968-08-14 1973-06-19 J Lenzner Roof shaving machine
US4822107A (en) * 1987-09-08 1989-04-18 Connacher Patrick J Cutter and method to remove surface coatings
US6494542B1 (en) * 2000-11-17 2002-12-17 Agri-Trac Inc. Apparatus for roughening concrete slat surfaces
FR2913627A1 (en) * 2007-03-16 2008-09-19 Dev Sarl Ag Hydraulic or pneumatic electrically driven manual planning tool for e.g. residential premise, has milling rotor provided with cutting inserts, and dust and junk collecting and sacking device set with waste collecting case
US20110069300A1 (en) * 2008-05-19 2011-03-24 Crump Craig D Method and Apparatus for Single-Axis Cross-Sectional Scanning of Parts
US20150102653A1 (en) * 2013-10-10 2015-04-16 Alan Edward LeBlanc Scarifier

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US290439A (en) * 1883-12-18 Splint-cutting machine
US1002678A (en) * 1910-03-23 1911-09-05 Joseph W Hill Machine for felling trees.
US1011490A (en) * 1911-06-19 1911-12-12 George Rasmesen Jr Painter's and decorator's scraper.
US1041240A (en) * 1911-04-24 1912-10-15 Arthur E Chappell Surfacing-machine.
US1060041A (en) * 1912-05-13 1913-04-29 Frank Wagner Floor-planing machine.
US1356337A (en) * 1918-11-23 1920-10-19 Alex A Clarke Surface-treating machine
US1374345A (en) * 1921-04-12 Tension means for elgob-stteeacing machines
US1406275A (en) * 1918-04-11 1922-02-14 Carl G Norman Sandpapering machine
US1735594A (en) * 1928-01-13 1929-11-12 Erik Borg Cutter
GB334725A (en) * 1929-09-25 1930-09-11 Horace Williams An improved rotary buffing rasp and method of manufacturing the same
US1786096A (en) * 1928-09-01 1930-12-23 Nomanu Elek Sche App G M B H Means for scraping off wooden surfaces
US2437668A (en) * 1946-04-29 1948-03-16 Richard P Bernhardt Power-driven rotary cylindrical saw

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US290439A (en) * 1883-12-18 Splint-cutting machine
US1374345A (en) * 1921-04-12 Tension means for elgob-stteeacing machines
US1002678A (en) * 1910-03-23 1911-09-05 Joseph W Hill Machine for felling trees.
US1041240A (en) * 1911-04-24 1912-10-15 Arthur E Chappell Surfacing-machine.
US1011490A (en) * 1911-06-19 1911-12-12 George Rasmesen Jr Painter's and decorator's scraper.
US1060041A (en) * 1912-05-13 1913-04-29 Frank Wagner Floor-planing machine.
US1406275A (en) * 1918-04-11 1922-02-14 Carl G Norman Sandpapering machine
US1356337A (en) * 1918-11-23 1920-10-19 Alex A Clarke Surface-treating machine
US1735594A (en) * 1928-01-13 1929-11-12 Erik Borg Cutter
US1786096A (en) * 1928-09-01 1930-12-23 Nomanu Elek Sche App G M B H Means for scraping off wooden surfaces
GB334725A (en) * 1929-09-25 1930-09-11 Horace Williams An improved rotary buffing rasp and method of manufacturing the same
US2437668A (en) * 1946-04-29 1948-03-16 Richard P Bernhardt Power-driven rotary cylindrical saw

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726197A (en) * 1951-10-05 1955-12-06 Shell Dev Catalytic cracking system
US3347596A (en) * 1965-03-01 1967-10-17 Gen Stone And Materials Corp Portable surfacing machine for terrazzo floors
US3740099A (en) * 1968-08-14 1973-06-19 J Lenzner Roof shaving machine
US4822107A (en) * 1987-09-08 1989-04-18 Connacher Patrick J Cutter and method to remove surface coatings
US6494542B1 (en) * 2000-11-17 2002-12-17 Agri-Trac Inc. Apparatus for roughening concrete slat surfaces
FR2913627A1 (en) * 2007-03-16 2008-09-19 Dev Sarl Ag Hydraulic or pneumatic electrically driven manual planning tool for e.g. residential premise, has milling rotor provided with cutting inserts, and dust and junk collecting and sacking device set with waste collecting case
US20110069300A1 (en) * 2008-05-19 2011-03-24 Crump Craig D Method and Apparatus for Single-Axis Cross-Sectional Scanning of Parts
US9324129B2 (en) * 2008-05-19 2016-04-26 Craig D. Crump Method and apparatus for single-axis cross-sectional scanning of parts
US20150102653A1 (en) * 2013-10-10 2015-04-16 Alan Edward LeBlanc Scarifier
US9145650B2 (en) * 2013-10-10 2015-09-29 Alan Edward LeBlanc Scarifier

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