US1829531A - Scraper - Google Patents
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- US1829531A US1829531A US419719A US41971930A US1829531A US 1829531 A US1829531 A US 1829531A US 419719 A US419719 A US 419719A US 41971930 A US41971930 A US 41971930A US 1829531 A US1829531 A US 1829531A
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- scraper
- members
- elements
- bars
- teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G17/00—Manually-operated tools
- B27G17/06—Rasps
Definitions
- This invention relates generally to scrapers, and particularly concerns the novel means of constructing or producing a scraper which will quickly accomplish the results of leveling wooden surfaces of uneven or irregular contour, and also for removing by ripping, tearing or otherwise cutting, Old vai'- nish, shellac or other foreign substances from surfaces desired to be scraped, and which it is to be vunderstood that the surface may be posedplies of certain materials of which the outer are preferably resilient or flexible and the inner ply a ccinpressible one, and a plurality ot' scraper elements associated therewith and interposed in such a manner that the pins are adapted to rotate and oscillate when contacting or engaging a surface during the scraping operation, and upon being brought out or" engagement with theY surface, the elements will return to their original or normal position.
- the advantage of such wabbling movement or oscillation will tend to prevent the points of the elements from flattening, and will also cause, to some extent, the points of the elements to be self-sharpening during
- Another object of theinvention is in the particular materials used which comprise the article whereby it is possible to economically produce the article on a commercial scale.
- a further object of the invention ermits ⁇ the application of the article or material to the ordinary drum of common types of sanding machines, and alsopermits the article with a few slight niodications, to be attached to Scrapers of the rotary disk type.
- Another important object of the invention lies in the factfthat the article does not gum up o: otherwise become clogged with varnish, shellac or other substances as is generally the case or result when a sanding machine is used to carry'out the object for which this invention is intended.
- Fig. l isa sectional view in elevation showing the construction, arrangement and assembly of the elements which comprise my invention ing a modified form of construction and arrangement Aof the elements;
- FIG. 3 is a view in elevation, partly in section, showing a rotary disk type scraping ina-4 chine with the' novel scraper article attached thereto in operative position;
- Fig. 4 is a bottom plan view of the machine shown in Fig. 3 and clearly illustrates one of .the many arrangements in which the scraper elements may be positioned in the p-lies;
- FIG. 5 illustrates a sheet of the scraper article constructed similarly to the embodiments as shown in Figs. l or 2, but in this instance is adapted for positioning around a drum;
- Fig. 6 is an end view in elevation of a drum showing the article such as is shown in Fig.
- Fig. 7 is a perspective view showing a modie'd construction of scraper means which may be used to accomplish the results desired;
- Fig. 8' is a sectional view in elevation showing a modilied construction and assem# bly with the metal scraper bars shown in Fig. 7 associated with the metal plies; and
- Fig. 9 is another modilied form of construction showing a drum and a plurality of metal scraper bars removably mounted ad- ⁇ iacent the periphery of the drum.
- FIG. 1 wherein the elements comprising my improved scraper construction are disclosed, numerals l and 2 represent respectively, top and bottom i Fig. 2 is a sectional view in elevation showvresilient or flexiblev plies of suitable metal derstood, that any suit-able material such as cloth, canvas, paper, o-r fiber and the vlikemay bei satisfactorily employed to accomplish kthe purpose for which the compressible or inner ply is intended.
- Numerals 4 indicate pointed scraper elements preferably Vtempered or hardened and arranged bet-Ween Athe ply 1 and the inner ply 3 in such a manner that the heads '5 of the scraper.
- the plies may be secured together by any suitable mentshown, the outer edge of the ply 2 is curled or rolled up and thenclamped down as indicated by'V numeral 7 to engage or contactthe ply 1 so as to hold or'secure the plies V'and scraper elements in assembled relation.
- the plies 1 and 2 serve in preventing further Y ovement or bodilydisplacement of, the 'scraper elements.
- the scraper elements may be arranged in any ⁇ 'suitable' pattern within ⁇ the 'plies lto accomplish the' resultv for which the article is intended.
- jDisksror sheets ofthe scraper article also be constructed having scraper elements with-diiferent degrees .of hardness.
- numerals 8 and i9 indicate the outer resilient'metal plies and numeral 10 an inner compressible ply, the compressible ply being secured to the metal ply 8 by means of a suitable adhesive.
- the heads 11 of tlie elements 12, as shown, are disposed between Vthe' lower or outer metal ply 9 and the inner compressible ply 10.
- numera 13 represents a casing or housing member, formed as shown, and preferably having the rear portion removed or open as indicated at 14. Adjacent the lower annular flange portion of the housing 13 are rollers or casters .15 of any suitable type. Mounted adjacent tlieupper portion of the housing lOis a motor lhaving-an elongated-drive shaft 17 depending into the housing13. Numeral18 is a sleeve or tubular member arranged and adapted for movement with the drive shaft 17,
- tlie'spring andslot arrangelnient 19and29 respectively,is also adapted j for sliglitlon gitudinalmoveiiient relatively to the vshaft 17.
- a suitable flange or annular member 21 Secured adjacent the lower end of the sleeve 18is a suitable flange or annular member 21, and removably secured to this annular member or washer by any suitable ine-ans is a scraper article A.
- the scraper article is constructed in a .disk form, the outer plies are preferably resilient whereby it is possible to liex the article, as such ⁇ a construe tion will .permit the article whenv rotated, to adjust itself and wear down-and'level a surface having an irregular contour.
- Numeral 22 is a suitable handle secured to vthe housing 13 in anydesirablemanner .toenable the user to conveniently push or move the machine i about the door or surface to be scraped. .Gbviously, any suitable construction or typeof machine'may be employed'to provide a supporti-ng agency to which Vthe-scraper ⁇ article may be removably a-liixed.
- numeral 3 indicates a sheet of scraperinaterial formed of outer plies of metal and having an inner compres ⁇ sible'ply, similar to ⁇ the aforementioned constructions and has a, plurality 'of elements 24 associated with the plies in any suitable/formation to accomplish the result desired; ln this instance'however, the 'elements are shown spaced .in parallel rows which run at an'angle relative the sides oredges ofthe material,
- the numeral 25 is an kend view in a Vsheet of material attachedthereto by any suitable means such-'as is'indicatedrat 26.
- lt is to be understoodthatwhen a sheetof material suoli as shownjin Figrgis'iised for positioniing around a drum V25, theouter metal the purpose Vof, such arrangementbeing cblui plies are less resilient than when the material yor article is constructed in disk form.
- numeral is the body portion of the bar and is termed with a plurality ot scraper elements 3l'projecting therefrom.
- the ele ments of the bar may be of any 'desired shape and size suitable for the purpose intended.
- numerals 3:2 and 33 represent the out-er metal plies and associated therebetween tor restricted bodily movement is a plurality of metal scraper bars 30, arrangedrin such a manner that the yelements 31 of the metal bars project through the metal ply 33 similarly to the elements as described in the embodiments of Fig. l or 2.
- Numeral 34 is preferably a ply of rubber or it may be any suitable compressible material, and the material may be arranged as shown in Fig. l or 2. It will be apparent from this arrangement of elements that the bar 30 will be adapted for restricted bodily movement relatively to the plies.
- the compressible material may be poured in a molten mass around the body portions of the metal bars and that the metal ply 32 may afterward be positioned and secured in any suitable manner on the molten mass of compressible material. It will further be evident that the embodiment shown in Fig..8 may be constructed whereby the same may be adapted for application to a rotary disk type of scraping machine or for application to a sanding machine drum'.
- FIG. 9 A still further embodiment or method orn constructing a scraper article is shown in Fig. 9.
- the bars of scraper material are removably secured in slots or kerfs provided in the periphery of a drum.
- Numeral 35 is a drum of any suitable size provided with a plurality of dove tail keyways 36; and removably supported in the keyways are a plurality of metal scraper bars 37.
- the bars 37 may be constructed with points similar in shape to those shown in Fig. 7. However, it is to be understood that any shape or type of scraper elements may be formed integrally with the bar 37. It is also to be understood that the bars 37 may be secured by'other suitable means than that which is shown in Fig. 9.
- a pair of members a compressible material arranged between said pair of members, a plurality of pointed scraper teeth supported by said members, said teeth provided with circular heads loosely arranged between one of said pair of members and said compressible material in a manner to permit said teeth to rock a limited distance, and said compressible material providing means for engaging the heads oit said teeth to normally maintain them perpendicular with respect to said members.
- a pair of members a compressible material arranged between said pair of members, a plurality of metal bars having inflexible scraper elements projecting therefrom, ⁇ said bars being loosely-*connected be- ⁇ tween saidmembers with the scraper ⁇ elem'ents extended in a-Vfunctionally operative position to permit said bars to rock a limited distance, .and said compressible material providing means for engaging said bars tonermally maintain said scraper'elements perpendicular to said members.
- L f' '7.1111 a' deviate makina descente and in combination, ⁇ aipairvof members, a compressible material arranged between ⁇ said palr'of members, a plurality of bars having teeth projecting therefrom,v said bars being loosely connected between; said members with the teeth extendedv through one of'said members material 4arrangedv between and secured to one of said members, a' plurality of metal .bars'having inflex
Description
Oct. 27, 1931. I P C, NEILSEN 1,829,531
SCRAPER Filed Jan. 9, 1930 @fwen feier Nez'lsefn Patented Oct. 27, 1931 narran A stares PATENT ortica PETER C. NEILSEN, OF CHXCAGO, ILLINOIS,IASSGNOR OF TWENTY-FIVE PER CENT T0 GHR-STIAN STGKHOLM AND' TXVENTY-FIVE PER CENT TO OLE K. SIMONSEN, BOTH` OF CHICAGO, ILLINOIS SCRAPER Application filed January 9, 1930. Serial No. 419,719.
This invention relates generally to scrapers, and particularly concerns the novel means of constructing or producing a scraper which will quickly accomplish the results of leveling wooden surfaces of uneven or irregular contour, and also for removing by ripping, tearing or otherwise cutting, Old vai'- nish, shellac or other foreign substances from surfaces desired to be scraped, and which it is to be vunderstood that the surface may be posedplies of certain materials of which the outer are preferably resilient or flexible and the inner ply a ccinpressible one, and a plurality ot' scraper elements associated therewith and interposed in such a manner that the pins are adapted to rotate and oscillate when contacting or engaging a surface during the scraping operation, and upon being brought out or" engagement with theY surface, the elements will return to their original or normal position. The advantage of such wabbling movement or oscillation will tend to prevent the points of the elements from flattening, and will also cause, to some extent, the points of the elements to be self-sharpening during the scraping operation.
Another object of theinvention is in the particular materials used which comprise the article whereby it is possible to economically produce the article on a commercial scale.
A further obiect of the invention ermits` the application of the article or material to the ordinary drum of common types of sanding machines, and alsopermits the article with a few slight niodications, to be attached to Scrapers of the rotary disk type.
Another important object of the invention lies in the factfthat the article does not gum up o: otherwise become clogged with varnish, shellac or other substances as is generally the case or result when a sanding machine is used to carry'out the object for which this invention is intended.
Other objects and advantages of the invention will be evident after considering the detailed description hereinafter set forth in conjunction with the accompanying drawr ings.
Referring to the drawings wherein certain views or figures disclose the principles of construction underlying this invention; I
Fig. lisa sectional view in elevation showing the construction, arrangement and assembly of the elements which comprise my invention ing a modified form of construction and arrangement Aof the elements;
' Fig. 3 is a view in elevation, partly in section, showing a rotary disk type scraping ina-4 chine with the' novel scraper article attached thereto in operative position;
Fig. 4 is a bottom plan view of the machine shown in Fig. 3 and clearly illustrates one of .the many arrangements in which the scraper elements may be positioned in the p-lies;
5 illustrates a sheet of the scraper article constructed similarly to the embodiments as shown in Figs. l or 2, but in this instance is adapted for positioning around a drum; 1
Fig. 6 is an end view in elevation of a drum showing the article such as is shown in Fig.
5 secured thereto;
Fig. 7 is a perspective view showing a modie'd construction of scraper means which may be used to accomplish the results desired; Fig. 8'is a sectional view in elevation showing a modilied construction and assem# bly with the metal scraper bars shown in Fig. 7 associated with the metal plies; and
Fig. 9 is another modilied form of construction showing a drum and a plurality of metal scraper bars removably mounted ad- `iacent the periphery of the drum.
Referring particularly to Fig. 1 wherein the elements comprising my improved scraper construction are disclosed, numerals l and 2 represent respectively, top and bottom i Fig. 2 is a sectional view in elevation showvresilient or flexiblev plies of suitable metal derstood, that any suit-able material such as cloth, canvas, paper, o-r fiber and the vlikemay bei satisfactorily employed to accomplish kthe purpose for which the compressible or inner ply is intended. Numerals 4 indicate pointed scraper elements preferably Vtempered or hardened and arranged bet-Ween Athe ply 1 and the inner ply 3 in such a manner that the heads '5 of the scraper. elements 4`are interposed therebetween, and with the body por- Y through the plies 3 and 2, with the pin points i .means; however, in this particular embodi-g tions 6 of the scraper elements 4 projecting 6 5 lying substantially in afcormnon plane. The plies may be secured together by any suitable mentshown, the outer edge of the ply 2 is curled or rolled up and thenclamped down as indicated by'V numeral 7 to engage or contactthe ply 1 so as to hold or'secure the plies V'and scraper elements in assembled relation.
* From the description' thus far, it will be l 'evide'nt that thescraper elements 4 upon be- 3 ingbrought into contact with a surface lwhich is to Vbe scraped, will be rotated and oscillated "bodiment, the plies 1 and 2 serve as stiifening i ment vof theelements after they have reachedv and upon beingbrought out of contact or engagementv withthe surface, will return to their normal or original position. It will furtherbe evident that in this particular emagents and ten'dto limit .orrestrict the movea predeterminedposition, orvin `other words after the scrapery elements-havereached. a
position allowed by the compressiblek ply 3,
the plies 1 and 2 serve in preventing further Y ovement or bodilydisplacement of, the 'scraper elements. I
" yIt isto be understoodjthat various designs ,i or typeshof scraper elements may be satiscutting points may be varied,'depending on the kind of surface that is to be scraped. It
factorily employed, and that the shape of the might be mentioned that forV practical pur- 'fpose ordinaryV tacks which havefbeen tempered have been ysatisiactorilyifused.y iObviously, the scraper elements may be arranged in any `'suitable' pattern within`the 'plies lto accomplish the' resultv for which the article is intended. jDisksror sheets ofthe scraper article also be constructed having scraper elements with-diiferent degrees .of hardness.
f disposed between the lower metalply` and'in-` f `'ln 2the construction is similar to that Y r Velevation of an ordinary typeoi drum having as shown in Fig. 1,7but diers therefrom'V in .tliat the heads ofthescraper velements are 'i ner compressible ply instead of betweenV the f VVupper metal ply and the compressible one. In
this construction, numerals 8 and i9 indicate the outer resilient'metal plies and numeral 10 an inner compressible ply, the compressible ply being secured to the metal ply 8 by means of a suitable adhesive. The heads 11 of tlie elements 12, as shown, are disposed between Vthe' lower or outer metal ply 9 and the inner compressible ply 10. It will thus be apparent from this modified'form ofv construction that substantially the same result vis obtained as is obtained by theconstructionas disclosed in Fig. 1.
With reference to Figs. 3 and 4, numera 13 represents a casing or housing member, formed as shown, and preferably having the rear portion removed or open as indicated at 14. Adjacent the lower annular flange portion of the housing 13 are rollers or casters .15 of any suitable type. Mounted adjacent tlieupper portion of the housing lOis a motor lhaving-an elongated-drive shaft 17 depending into the housing13. Numeral18 is a sleeve or tubular member arranged and adapted for movement with the drive shaft 17,
and by means of tlie'spring andslot arrangelnient 19and29, respectively,is also adapted j for sliglitlon gitudinalmoveiiient relatively to the vshaft 17. Secured adjacent the lower end of the sleeve 18is a suitable flange or annular member 21, and removably secured to this annular member or washer by any suitable ine-ans is a scraper article A. lf the scraper article is constructed in a .disk form, the outer plies are preferably resilient whereby it is possible to liex the article, as such `a construe tion will .permit the article whenv rotated, to adjust itself and wear down-and'level a surface having an irregular contour. Numeral 22 isa suitable handle secured to vthe housing 13 in anydesirablemanner .toenable the user to conveniently push or move the machine i about the door or surface to be scraped. .Gbviously, any suitable construction or typeof machine'may be employed'to provide a supporti-ng agency to which Vthe-scraper` article may be removably a-liixed.
Beferriiig'to Fig. 5, numeral 3 .indicates a sheet of scraperinaterial formed of outer plies of metal and having an inner compres` sible'ply, similar to `the aforementioned constructions and has a, plurality 'of elements 24 associated with the plies in any suitable/formation to accomplish the result desired; ln this instance'however, the 'elements are shown spaced .in parallel rows which run at an'angle relative the sides oredges ofthe material,
'viousJk Y In Figt 6, the numeral 25 is an kend view in a Vsheet of material attachedthereto by any suitable means such-'as is'indicatedrat 26. lt is to be understoodthatwhen a sheetof material suoli as shownjin Figrgis'iised for positioniing around a drum V25, theouter metal the purpose Vof, such arrangementbeing cblui plies are less resilient than when the material yor article is constructed in disk form.
Consideringthe construction as shown in Fig. 7, numeral is the body portion of the bar and is termed with a plurality ot scraper elements 3l'projecting therefrom. The ele ments of the bar may be of any 'desired shape and size suitable for the purpose intended.
Referring to the embodiment shown in Fig. 8, numerals 3:2 and 33 represent the out-er metal plies and associated therebetween tor restricted bodily movement is a plurality of metal scraper bars 30, arrangedrin such a manner that the yelements 31 of the metal bars project through the metal ply 33 similarly to the elements as described in the embodiments of Fig. l or 2. Numeral 34 is preferably a ply of rubber or it may be any suitable compressible material, and the material may be arranged as shown in Fig. l or 2. It will be apparent from this arrangement of elements that the bar 30 will be adapted for restricted bodily movement relatively to the plies. vIt is to be understood that,
,if desirable, the compressible material may be poured in a molten mass around the body portions of the metal bars and that the metal ply 32 may afterward be positioned and secured in any suitable manner on the molten mass of compressible material. It will further be evident that the embodiment shown in Fig..8 may be constructed whereby the same may be adapted for application to a rotary disk type of scraping machine or for application to a sanding machine drum'.
A still further embodiment or method orn constructing a scraper article is shown in Fig. 9. In this type of construction, the bars of scraper material are removably secured in slots or kerfs provided in the periphery of a drum. Numeral 35 is a drum of any suitable size provided with a plurality of dove tail keyways 36; and removably supported in the keyways are a plurality of metal scraper bars 37. The bars 37 may be constructed with points similar in shape to those shown in Fig. 7. However, it is to be understood that any shape or type of scraper elements may be formed integrally with the bar 37. It is also to be understood that the bars 37 may be secured by'other suitable means than that which is shown in Fig. 9.
I-Iaving thus described my invention, it is obvious that various immaterial modilications may be made in the same without departing from the spirit of my invention; hence, I do not wish to be understood as limiting myself to the exact form, construction, arrangement and combination of parts herein shown and described or uses mentioned.
l. In a device of the kind described and in combination, two spaced members, a pluralityvv of headed inllexible elements supported for a limited rocking movement by said members by reason of the heads of said elements being loosely engageable with' said members, and means for engaging said ele-l varranged between said spaced members for engaging the heads of said elements to normally maintain said elements perpendicular with respect to said members. A
3. In a device of the kind described and in combination, a pair of members, a compressible material arranged between said pair of members, a plurality of pointed scraper teeth supported by said members, said teeth provided with circular heads loosely arranged between one of said pair of members and said compressible material in a manner to permit said teeth to rock a limited distance, and said compressible material providing means for engaging the heads oit said teeth to normally maintain them perpendicular with respect to said members.
4E. In a device of the kind described and in combination, a pair of members, a compressible material arranged between said pair of members, a plurality of pointed scraper teeth extending through one of said members and said compressible material, heads formed on said teeth, the said heads being loosely supported by said members to permit said teeth to rock a limited distance,
and said compressible material providing ing said teeth erect with respect to said mem-V bers.
6. In a device of the kind described and in combination, a pair of members, a compressible material arranged between said pair of members, a plurality of metal bars having inflexible scraper elements projecting therefrom, `said bars being loosely-*connected be-` tween saidmembers with the scraper` elem'ents extended in a-Vfunctionally operative position to permit said bars to rock a limited distance, .and said compressible material providing means for engaging said bars tonermally maintain said scraper'elements perpendicular to said members.' L f' '7.1111 a' deviate makina descente and in combination, `aipairvof members, a compressible material arranged between `said palr'of members, a plurality of bars having teeth projecting therefrom,v said bars being loosely connected between; said members with the teeth extendedv through one of'said members material 4arrangedv between and secured to one of said members, a' plurality of metal .bars'having inflexible scraper n elements pro- `Jectingtherefrom, saidbars being loosely connected between said members with the? scraper elements extended in a'functionally operative positionfto permit'said bars to rock a limited distance, and said resilient material `providing means for engaging said bars t0- normally maintain said scraper elements perpendicular with respect to said members.
In witness whereof, I hereunto subscribe my name this 4th day of'January, A. D. 1930.
i PETER C. NEILSEN.Y
'and saidcompressible material inl aA functionally operative position-to permit said bars'to vrock'a limiteddi'st'ance, and saidcoml pressible materialproviding means for engaging said bars to normally maintainsaid teeth perpendicular tosaid members.
8. ln a device of the kind described and in combination', a' back portion and a face portion,f headed v inflexible teeth supported by said portion-s with Ltherheads caught between saidportions and the teeth extended through said face portion, said teeth which by reason o'ftheir connection areadapted for a limited rocking-movement, and means arranged be- 4tweenjsaid portions for engaging the heads of saidteeth toV maintain' same erectv with i 'respect to said portions. Y
9. In a 'deviceof the kind described and in M35combination, twoy spaced members, a" plurality of headed scraper teeth'supported for a limited rockingQmovement-"by said members by reason 'of the heads of said teeth beingy loosely engageable with said members, *and means securedto onev of said "spaced members for engagingsaid teeth to normally 'maintainthem perpendicular vwith respect to said members.' f f L ff e f j 10.In a device vof the kind described and in L combination, twoY spacedV members, aV plue rality'of headed scraper teethsupported for a limited rocking movementby said members reason of the heads of said'teethbeing loosely engageable with said members, and l resilient meansV for engagingl saidv teeth tonormally maintain themmerect withreextended through one of-said members in a lfunctionally operative position to permit said bars to rock,'and said resilient means providing-means nfor engaging said bars to jlnormally maintain said teeth perpendicular I withrespect to said members. f f f Y 1 12.- In a device of the kind describedl and in combinatiom-a pair :ofv7 members, a resilient vpui LTI
per
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US419719A US1829531A (en) | 1930-01-09 | 1930-01-09 | Scraper |
Applications Claiming Priority (1)
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US419719A US1829531A (en) | 1930-01-09 | 1930-01-09 | Scraper |
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US1829531A true US1829531A (en) | 1931-10-27 |
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US419719A Expired - Lifetime US1829531A (en) | 1930-01-09 | 1930-01-09 | Scraper |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2489803A (en) * | 1947-09-27 | 1949-11-29 | Peter C Neilsen | Tire rasp |
US2703119A (en) * | 1954-03-05 | 1955-03-01 | Raymond R Pullen | Motor operated surfacing tool |
US2716314A (en) * | 1954-03-16 | 1955-08-30 | Charles R Upham | Buffing wheel comb |
US2725907A (en) * | 1954-11-17 | 1955-12-06 | William F Hagen | Disc cutter |
US2768422A (en) * | 1950-04-27 | 1956-10-30 | Kennametal Inc | File and method of making the same |
US2769626A (en) * | 1954-08-30 | 1956-11-06 | American Floor Surfacing Mach | Floor covering removing machine having yieldable flared cutters |
US2951286A (en) * | 1959-05-12 | 1960-09-06 | Richard W Mann | Vibrating scraper |
US2958118A (en) * | 1956-06-18 | 1960-11-01 | Peter C Neilsen | Disk type rasp |
US3013449A (en) * | 1955-09-23 | 1961-12-19 | Alton E Tobey | Abrading disk |
US3275048A (en) * | 1961-07-06 | 1966-09-27 | Lowell E Statler | Apparatus for finishing surfaces |
US3722022A (en) * | 1971-09-15 | 1973-03-27 | J Falleson | Rotating paint scraper |
US3754296A (en) * | 1971-12-16 | 1973-08-28 | G Talbert | Rotary flail type chipping head |
US3942208A (en) * | 1974-09-26 | 1976-03-09 | Frank D. Chapman | Rotary cleaning device |
US4137595A (en) * | 1977-11-04 | 1979-02-06 | Stewart George L | Rotary tool for stripping adhesive carpeting from flooring |
WO2008065210A1 (en) * | 2006-11-29 | 2008-06-05 | Teais, S.A. | Power tool for scraping single-layer coatings |
ES2346033A1 (en) * | 2006-11-29 | 2010-10-07 | Teais, S.A. | Power tool for scraping single-layer coatings |
-
1930
- 1930-01-09 US US419719A patent/US1829531A/en not_active Expired - Lifetime
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2489803A (en) * | 1947-09-27 | 1949-11-29 | Peter C Neilsen | Tire rasp |
US2768422A (en) * | 1950-04-27 | 1956-10-30 | Kennametal Inc | File and method of making the same |
US2703119A (en) * | 1954-03-05 | 1955-03-01 | Raymond R Pullen | Motor operated surfacing tool |
US2716314A (en) * | 1954-03-16 | 1955-08-30 | Charles R Upham | Buffing wheel comb |
US2769626A (en) * | 1954-08-30 | 1956-11-06 | American Floor Surfacing Mach | Floor covering removing machine having yieldable flared cutters |
US2725907A (en) * | 1954-11-17 | 1955-12-06 | William F Hagen | Disc cutter |
US3013449A (en) * | 1955-09-23 | 1961-12-19 | Alton E Tobey | Abrading disk |
US2958118A (en) * | 1956-06-18 | 1960-11-01 | Peter C Neilsen | Disk type rasp |
US2951286A (en) * | 1959-05-12 | 1960-09-06 | Richard W Mann | Vibrating scraper |
US3275048A (en) * | 1961-07-06 | 1966-09-27 | Lowell E Statler | Apparatus for finishing surfaces |
US3722022A (en) * | 1971-09-15 | 1973-03-27 | J Falleson | Rotating paint scraper |
US3754296A (en) * | 1971-12-16 | 1973-08-28 | G Talbert | Rotary flail type chipping head |
US3942208A (en) * | 1974-09-26 | 1976-03-09 | Frank D. Chapman | Rotary cleaning device |
US4137595A (en) * | 1977-11-04 | 1979-02-06 | Stewart George L | Rotary tool for stripping adhesive carpeting from flooring |
WO2008065210A1 (en) * | 2006-11-29 | 2008-06-05 | Teais, S.A. | Power tool for scraping single-layer coatings |
ES2346033A1 (en) * | 2006-11-29 | 2010-10-07 | Teais, S.A. | Power tool for scraping single-layer coatings |
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