US2668968A - Meat block scrubber - Google Patents
Meat block scrubber Download PDFInfo
- Publication number
- US2668968A US2668968A US69276A US6927649A US2668968A US 2668968 A US2668968 A US 2668968A US 69276 A US69276 A US 69276A US 6927649 A US6927649 A US 6927649A US 2668968 A US2668968 A US 2668968A
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- US
- United States
- Prior art keywords
- brushes
- skirt member
- scrubber
- working faces
- skirt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- A47L11/4038—Disk 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
- A47L11/02—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
- A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc 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
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning tools
Definitions
- l claimsa Thistinvention: relates to: a machine don-scrap mg; scrubbing or pdlishingsubStantieilly:fiat surfaces and "has nforr an object the. provision -:.of an amimproved 1 device ofrrthat, character.
- Another 1' object of 'thisdnvention is to provide Fan/improved scraper or ipolisherwhich will? notten d -to f walki :acrosswtheisurface being treated.
- Another object ofrthis-inventioniisttor provide ar scraper or polisher. of: economicaBandi-durahle construction whileirat' thez-samertimerzhavingathe:
- a speed reduction gear mechanism including gears'ItQ, 20, 2
- Gear 23' drives one Ibru'sh of each. gronpsthrough tthc. corresponding' brush gear l1 .and.id1er gears. and, since theithree'ibrushes ofmeachgmhpfare geared together, all brushes. areudrivenhby gear 23 and motor I I.
- .Atsubstantially rigid apron 25 extends circumferenti'ally around the entire: :b-rush v assembly.
- Springs 21 are of sufficient strength to support the entire weight of the scraper and, therefore, when the scraper is resting on a surface the rolled portion at of apron 25 will be the only portion of the scraper to touch the surface. However, a light downward. pressure on handles 53 by the operator will overcome springs 21 and will cause brushes It to come into contact with the surface and polish or scape that surface, depending on the nature of the brushes used.
- annular cup member 39 Connected to the inner surface of apron 25 is an annular cup member 39 arranged to hold the material scraped from the surface being treated.
- a relatively high speed is intended for brushes It, a speed for example of 1000 R. P. M.
- particles scraped from the surface being treated will be thrown outwardly by centrifugal force and will lodge in cup member 30.
- the accumulated particles may, of course, be emptied as desired, merely by tipping the device.
- this device is particularly well adapted for scraping butcher blocks, and for such use wire brushes are recommended.
- the device is also well adapted to the polishing of floors and other flat surfaces. In such applications a relatively soft brush should, of course, be used.
- a butcher block scrubber a plurality of rotatable brushes having their working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical skirt member encircling said brushes and normally extending axially beyond said working faces of said brushes, said skirt member being imperforate along its sides thereby to retain debris thrown against its interior, and spring means urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain the working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizon tal surface.
- a butcher block scrubber a plurality of rotatable brushes having their working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical skirt member encircling said brushes and normally extending axially beyond said working faces of said brushes, said skirt member being imperforate along its sides thereby to retain debris thrown against its interior, and spring means urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain the working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizontal surface, said skirt member having an inwardly and upwardly turned ledge disposed at the lip of said skirt member and extending substantially completely around the inner surface thereof thereby forming a trough for receiving such debris removed from the surface of a butcher block by said brushes.
- a butcher block scrubber a frame, a plurality of rotatable brushes supported by said frame and having working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical first skirt member attached to said frame, said first skirt member having a side portion encircling said brushes and normally extending axially beyond said working faces of said brushes, said side portion being imperforate thereby to retain debris thrown against its interior, said first skirt having an upper portion lying above said working faces of said brushes, spring means bearing against said upper portion thereby urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain said working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizontal surface, and a second substantially cylindrical skirt member attached to said frame, said second skirt member having an inside diameter slightly larger than the outside diameter of said first skirt
- a butcher block scrubber a frame, a plurality of rotatable brushes supported by said frame and having working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said Working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical first skirt member attached to said frame, said skirt member having a side portion encircling said brushes and normally extending axially beyond said working faces of said brushes, said side portion being imperforate thereby to retain debris thrown against its interior, said first skirt including an inwardly extending and upwardly turned ledge disposed at the lip of said side portion and extending substantially completely around the inner surface thereof thereby to form a trough for receiving such debris, said first skirt having an upper portion lying above said working faces of said brushes, spring means bearing against said upper portion thereby urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain said working surfaces of said brushes above the
Landscapes
- Brushes (AREA)
Description
Feb. 16, 1954 J. M. DOBROWOLSKI MEAT BLOCK SCRUBBER Filed Jan. 5, 1949 Patented Feb. 16 1954 UNITED s mres A PATEN T OFFICE IMEATJ'BLOCK SIGRUBBER "Jos'eiihM. Dlohizowolski' chicago, Ill.
Amilioaitionfllanuary 5, 1949-, Serial No. 69,276
. l claimsa Thistinvention: relates to: a machine don-scrap mg; scrubbing or pdlishingsubStantieilly:fiat surfaces and "has nforr an object the. provision -:.of an amimproved 1 device ofrrthat, character.
' :Accordin'gato.thisrinventiomia serieszof brushes ar drivensby anxelectric#motor and'aa system-f gears which causei rotationtof adjacentibrusheszin: opposite: directions.
@111 the preferred storm of: 'this :invention ithe brushes a'readivided. into two? groups, .th'e= brushes oil the: individual groups being-:3 geared'itogetner in series relationship, :andra. centraligear meoh ani'sms drives one brush: 0f eachggroup. :Rotation of. iadj acent brushes: inis'opposit :directions substantially: eliminates walking 01: the. -;deviceacross-the"- surfacezbeingztreated.
:An:apron?circumierentially surrounds the entire' brush f assembly candiissarranged toessupport resiliently the remainderrof' theaievice abovethe level of any fiat surface upon which 6118134313011:
may rest. :Howeveneaslightzdownward .nressure hy theoperator williicausevtheibrushes to come into contact with the surface. This (feature-meducesthe: danger of damage-to a -.-surface -being treated in the event that the operator inadvert ently leaves the machine: running? unattended.
Accordingly, another 1' object of 'thisdnvention; is to provide Fan/improved scraper or ipolisherwhich will? notten d -to f walki :acrosswtheisurface being treated.
Another: object of '.-this invention; is to providean improvediscraper or polisher whichmayisa'fely bea-llowedito rest on:arsurfaceheing treate wwhen its= motor is running, withoutrdanger: ofcoontactof the-brushes withthat surface Another object ofrthis-inventioniisttorprovide ar scraper or polisher. of: economicaBandi-durahle construction whileirat' thez-samertimerzhavingathe:
advantages.mentionedabove.
claims.
the drawing: Eig. his. amelevational iview, partiallyrinzcmss section, of: a scraper constructedmaaccordance with this invention'g and Fig- 2 iSfiLbOttOIiIrViBWJOf the scraper-shownin:
Fig. 1.
-A motor- I L is supported 0111-81 housing 12,- havingrapainor handles. 1 3: iorconvenient manipulatiomotttheideviceir-uA semes'offsixrbrushesr-ikare.
located ratcthesbottomQfi-iaha mwm with; their; portionsentendsdownwardlyibeymutthe nlanetci irection-v of rotation-oi adjacent brushes substan tially reduces or eliminates tithe tendencymfit-he. scraper to walk or 1 move under-.iits rowmpoveer across vthei'surfaee beingitreated.
Connected to the motor shaft [8* is a speed reduction gear mechanism including gears'ItQ, 20, 2| and ,22 each gear being-mounted 1 in bearings rigidly fixedntoi housing. L2. i-Thercentrally located gear '22 andg'ear 23 which is directly-connected thereto, are thereby (driven at rasspeedsubstantially lower than that. at the motor shaftltfla. Gear 23' drives one Ibru'sh of each. gronpsthrough tthc. corresponding' brush gear l1 .and.id1er gears. and, since theithree'ibrushes ofmeachgmhpfare geared together, all brushes. areudrivenhby gear 23 and motor I I.
'It will be noted" by observationflofff-Figlj .thatin the particular embodiment shown thelendbrush of one group rotates in the same direction iasslthe adjacent endxbrush of the other group. 7 'glfests have shown" that thisiactor does not,result i n any substantial walking tendency otthedevica. However, if. it is. desired to cause afil'acentbrushes. throughoutthe machine to rotate in oppo'site.;directions; this can be'accomplished throu hseveral obvious equivalents of the embodiment illustrated; For example; an even number'ofbrushes canbe'provi-ded in eachgroup;two groflps-offour brushes each or three'groupsof tWo'bru'shes-each, with idler g-ears connecti-ng' gear'2'3 with *corresponding 'hrushes of each group also; in the embodiment' show-n, one idler" gear it-can *be'rjelocated to drive the central 7 brush of" one "group. These arrangements will result in rotation ai edjacent'brushescin opposite directions throughout the-machine.
.Atsubstantially rigid apron 25: extends circumferenti'ally around the entire: :b-rush v assembly. The: upper portion "2 Bwof. apronc2 521$ resiliently connected: to; housing- Hathrough springs: 21., and sliding:.pinsrfla andnthe;lowerendwfithe apron tenminatesninzarrollediportionx29.; .sfllhise'rolled the working faces of the brushes when spring 21 are in their extended condition.
Springs 21 are of sufficient strength to support the entire weight of the scraper and, therefore, when the scraper is resting on a surface the rolled portion at of apron 25 will be the only portion of the scraper to touch the surface. However, a light downward. pressure on handles 53 by the operator will overcome springs 21 and will cause brushes It to come into contact with the surface and polish or scape that surface, depending on the nature of the brushes used.
Connected to the inner surface of apron 25 is an annular cup member 39 arranged to hold the material scraped from the surface being treated. A relatively high speed is intended for brushes It, a speed for example of 1000 R. P. M. As a result of this high speed, particles scraped from the surface being treated will be thrown outwardly by centrifugal force and will lodge in cup member 30. The accumulated particles may, of course, be emptied as desired, merely by tipping the device.
It has been found that this device is particularly well adapted for scraping butcher blocks, and for such use wire brushes are recommended. However, the device is also well adapted to the polishing of floors and other flat surfaces. In such applications a relatively soft brush should, of course, be used.
While a particular embodiment of the invention has been shown, it will be understood, of course, that the invention is not limited thereto since many modifications may be made, and it is, there fore, contemplated to cover by the appended claims any such modifications as fall within the true spirit and scope of the invention.
I claim:
1. In a butcher block scrubber a plurality of rotatable brushes having their working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical skirt member encircling said brushes and normally extending axially beyond said working faces of said brushes, said skirt member being imperforate along its sides thereby to retain debris thrown against its interior, and spring means urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain the working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizon tal surface.
2. In a butcher block scrubber a plurality of rotatable brushes having their working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical skirt member encircling said brushes and normally extending axially beyond said working faces of said brushes, said skirt member being imperforate along its sides thereby to retain debris thrown against its interior, and spring means urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain the working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizontal surface, said skirt member having an inwardly and upwardly turned ledge disposed at the lip of said skirt member and extending substantially completely around the inner surface thereof thereby forming a trough for receiving such debris removed from the surface of a butcher block by said brushes.
3. In a butcher block scrubber, a frame, a plurality of rotatable brushes supported by said frame and having working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical first skirt member attached to said frame, said first skirt member having a side portion encircling said brushes and normally extending axially beyond said working faces of said brushes, said side portion being imperforate thereby to retain debris thrown against its interior, said first skirt having an upper portion lying above said working faces of said brushes, spring means bearing against said upper portion thereby urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain said working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizontal surface, and a second substantially cylindrical skirt member attached to said frame, said second skirt member having an inside diameter slightly larger than the outside diameter of said first skirt member and being disposed to surround said first skirt member when said working faces of said brushes are moved into contact with a butcher block, thereby to guide the movements of said first skirt member.
4. In a butcher block scrubber, a frame, a plurality of rotatable brushes supported by said frame and having working faces lying substantially in a single plane, means for rotating said brushes about axes perpendicular to said plane, means for resiliently supporting said Working faces of said brushes above the surface of a butcher block, said last mentioned means comprising a rigid and substantially cylindrical first skirt member attached to said frame, said skirt member having a side portion encircling said brushes and normally extending axially beyond said working faces of said brushes, said side portion being imperforate thereby to retain debris thrown against its interior, said first skirt including an inwardly extending and upwardly turned ledge disposed at the lip of said side portion and extending substantially completely around the inner surface thereof thereby to form a trough for receiving such debris, said first skirt having an upper portion lying above said working faces of said brushes, spring means bearing against said upper portion thereby urging said skirt member axially beyond said working faces of said brushes, said spring means being of such stiffness as to maintain said working surfaces of said brushes above the lip of said skirt member when said scrubber rests upon a horizontal surface, and a second substantially cylindrical skirt member attached to said frame, said second skirt member having an inside diameter slightly larger than the outside diameter of said first skirt member and being disposed to surround said first skirt member when said working faces of said brushes are moved into Contact with a butcher block,
2; thereby to guide the movements of said first skirt Number member. 1,643,882 JOSEPH M. DOBROWOLSKI. 1,707,575 2,119,386 References Cited in the file of this patent 5 2,334 453 UNITED STATES PATENTS 2,552,471
Number Name Date Beck Aug. 27, Number 977,701 Broberg Dec. 6, 1910 o 9653 1,000,696 Schlueter Aug. 15, 1911 473,333 1,532,289 Weinbrenner Apr. 7, 1925 553,461 1,559,479 Ushatch Oct. 27, 1925 I 34 215 1,581,824 Amsel Apr. 20, 1926 729 653 Name Date Faiver Sept. 27, 1927 Schooling Apr. 2, 1929 Holm-Hansen May 31, 1938 Dubay Sept. 11, 1945 Watkins May 8, 1951 FOREIGN PATENTS Country Date Great Britain Apr. 18, 1914 Germany Apr. 28, 1928 Germany Sept. 7, 1932 Germany Aug. 20, 1936 France May 2, 1932
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69276A US2668968A (en) | 1949-01-05 | 1949-01-05 | Meat block scrubber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US69276A US2668968A (en) | 1949-01-05 | 1949-01-05 | Meat block scrubber |
Publications (1)
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US2668968A true US2668968A (en) | 1954-02-16 |
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US69276A Expired - Lifetime US2668968A (en) | 1949-01-05 | 1949-01-05 | Meat block scrubber |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753576A (en) * | 1953-08-17 | 1956-07-10 | Libecap Clyde Roy | Meat block cleaner |
US2773337A (en) * | 1954-07-26 | 1956-12-11 | Marchi Arturo De | Grinding device |
US2922261A (en) * | 1957-04-24 | 1960-01-26 | Samuel J Rabkin | Apparatus for removing surface coatings |
US3119602A (en) * | 1962-05-15 | 1964-01-28 | Bert E Johnson | Sludge removal hood and bonnet assembly for a rotary power-driven saw |
US3673744A (en) * | 1971-02-12 | 1972-07-04 | Anders Oimoen | Portable grinder |
US4097950A (en) * | 1977-03-07 | 1978-07-04 | Milliken Research Corporation | Device for scrubbing surfaces |
US4217671A (en) * | 1979-01-25 | 1980-08-19 | Rand Bobby J | Multipurpose cleaning device |
US4330897A (en) * | 1980-03-13 | 1982-05-25 | Octa, Inc. | Floor machine |
FR2512358A1 (en) * | 1981-09-08 | 1983-03-11 | Voigt Lothar | APPARATUS FOR CLEANING THE SEALING SURFACE OF THE EDGE OF A MANHOLE |
EP0314926A2 (en) * | 1987-11-06 | 1989-05-10 | DULEVO INTERNATIONAL S.p.A. | Scraping device for floor and surface cleaning machines |
US4845795A (en) * | 1985-06-10 | 1989-07-11 | Dental Research Corporation | Automatic cleaning device |
US4934012A (en) * | 1988-05-10 | 1990-06-19 | Electricite De France | Device for brushing the gasket face of a manhole for gaining access to the inside of a vessel |
US5062177A (en) * | 1987-07-17 | 1991-11-05 | Rsa Entgrat-Technik Rainer Schmidt | Brush head for deburring and brushing machines |
US5105802A (en) * | 1990-04-06 | 1992-04-21 | Leatherjet Inc. | Device for working a conditioning substance on a surface |
US20030064670A1 (en) * | 2001-10-02 | 2003-04-03 | Matthew Carr | Worktool |
US20080293346A1 (en) * | 2005-12-21 | 2008-11-27 | Linco Food Systems A/S | Poultry Defeathering Apparatus |
US20130052915A1 (en) * | 2011-08-23 | 2013-02-28 | Cha Enterprise Co., Ltd. | Drive assembly for a grinder |
US8966698B2 (en) | 2012-11-27 | 2015-03-03 | Techtronic Floor Care Technology Limited | Brush head for an electric toothbrush |
US20190202025A1 (en) * | 2016-06-03 | 2019-07-04 | Husqvarna Ab | Grinding head for floor grinding machine and method of assembling a grinding head, setting a belt tensioner, servicing, assembling or disassembling a belt pulley for a floor grinding machine |
Citations (16)
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GB191409658A (en) * | 1913-04-21 | Pelisse Francisque | Improvements in Mechanical Cleaning and Polishing Devices for Floors. | |
US864403A (en) * | 1907-05-31 | 1907-08-27 | Louis Broz | Floor-finishing apparatus. |
US977701A (en) * | 1909-02-08 | 1910-12-06 | Arthur Hawthorne Davis | Floor-cleaner. |
US1000696A (en) * | 1911-03-16 | 1911-08-15 | Max L Schlueter | Machine for surfacing stone floors. |
US1532289A (en) * | 1925-04-07 | R wembeenner | ||
US1559479A (en) * | 1924-05-17 | 1925-10-27 | Ushatch Peter | Ceiling-washing apparatus |
US1581824A (en) * | 1925-12-07 | 1926-04-20 | Amsel Henry | Apparatus for scrubbing, mopping, and polishing floors |
US1643882A (en) * | 1926-10-09 | 1927-09-27 | Marshall A Faiver | Meat-block cleaner |
US1707575A (en) * | 1925-09-28 | 1929-04-02 | Henry E Schooling | Floor-polishing machine |
DE478383C (en) * | 1928-04-28 | 1929-06-24 | Stephan Hilger | Wash brush provided with a pressurized water tank |
FR729658A (en) * | 1931-11-21 | 1932-07-29 | Electrically operated steel brush, especially for cleaning butcher blocks | |
DE558461C (en) * | 1932-09-07 | Friede Harmuth Geb Hederich | Mechanically rotatable brush with a fixed ring brush as a splash catcher | |
DE634215C (en) * | 1936-08-20 | Georg Bode | Machine for processing wooden and stone floors or the like with a horizontally rotating disc brush | |
US2119386A (en) * | 1934-08-28 | 1938-05-31 | Gen Electric | Floor polishing machine |
US2384458A (en) * | 1943-03-06 | 1945-09-11 | Frank X Dubay | Fur cleaning apparatus |
US2552471A (en) * | 1948-07-22 | 1951-05-08 | Morris W Watkins | Housing for electric meat block scraping brush having split handle motor circuit closing means |
-
1949
- 1949-01-05 US US69276A patent/US2668968A/en not_active Expired - Lifetime
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE634215C (en) * | 1936-08-20 | Georg Bode | Machine for processing wooden and stone floors or the like with a horizontally rotating disc brush | |
DE558461C (en) * | 1932-09-07 | Friede Harmuth Geb Hederich | Mechanically rotatable brush with a fixed ring brush as a splash catcher | |
US1532289A (en) * | 1925-04-07 | R wembeenner | ||
US864403A (en) * | 1907-05-31 | 1907-08-27 | Louis Broz | Floor-finishing apparatus. |
US977701A (en) * | 1909-02-08 | 1910-12-06 | Arthur Hawthorne Davis | Floor-cleaner. |
US1000696A (en) * | 1911-03-16 | 1911-08-15 | Max L Schlueter | Machine for surfacing stone floors. |
GB191409658A (en) * | 1913-04-21 | Pelisse Francisque | Improvements in Mechanical Cleaning and Polishing Devices for Floors. | |
US1559479A (en) * | 1924-05-17 | 1925-10-27 | Ushatch Peter | Ceiling-washing apparatus |
US1707575A (en) * | 1925-09-28 | 1929-04-02 | Henry E Schooling | Floor-polishing machine |
US1581824A (en) * | 1925-12-07 | 1926-04-20 | Amsel Henry | Apparatus for scrubbing, mopping, and polishing floors |
US1643882A (en) * | 1926-10-09 | 1927-09-27 | Marshall A Faiver | Meat-block cleaner |
DE478383C (en) * | 1928-04-28 | 1929-06-24 | Stephan Hilger | Wash brush provided with a pressurized water tank |
FR729658A (en) * | 1931-11-21 | 1932-07-29 | Electrically operated steel brush, especially for cleaning butcher blocks | |
US2119386A (en) * | 1934-08-28 | 1938-05-31 | Gen Electric | Floor polishing machine |
US2384458A (en) * | 1943-03-06 | 1945-09-11 | Frank X Dubay | Fur cleaning apparatus |
US2552471A (en) * | 1948-07-22 | 1951-05-08 | Morris W Watkins | Housing for electric meat block scraping brush having split handle motor circuit closing means |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753576A (en) * | 1953-08-17 | 1956-07-10 | Libecap Clyde Roy | Meat block cleaner |
US2773337A (en) * | 1954-07-26 | 1956-12-11 | Marchi Arturo De | Grinding device |
US2922261A (en) * | 1957-04-24 | 1960-01-26 | Samuel J Rabkin | Apparatus for removing surface coatings |
US3119602A (en) * | 1962-05-15 | 1964-01-28 | Bert E Johnson | Sludge removal hood and bonnet assembly for a rotary power-driven saw |
US3673744A (en) * | 1971-02-12 | 1972-07-04 | Anders Oimoen | Portable grinder |
US4097950A (en) * | 1977-03-07 | 1978-07-04 | Milliken Research Corporation | Device for scrubbing surfaces |
US4217671A (en) * | 1979-01-25 | 1980-08-19 | Rand Bobby J | Multipurpose cleaning device |
US4330897A (en) * | 1980-03-13 | 1982-05-25 | Octa, Inc. | Floor machine |
FR2512358A1 (en) * | 1981-09-08 | 1983-03-11 | Voigt Lothar | APPARATUS FOR CLEANING THE SEALING SURFACE OF THE EDGE OF A MANHOLE |
US4485517A (en) * | 1981-09-08 | 1984-12-04 | Voigt Lothar A | Device for automatically cleaning manhole rims |
US4845795A (en) * | 1985-06-10 | 1989-07-11 | Dental Research Corporation | Automatic cleaning device |
US5062177A (en) * | 1987-07-17 | 1991-11-05 | Rsa Entgrat-Technik Rainer Schmidt | Brush head for deburring and brushing machines |
US4862548A (en) * | 1987-11-06 | 1989-09-05 | Dulevo S.P.A. | Scraping device for floor and surface cleaning machines |
EP0314926A3 (en) * | 1987-11-06 | 1991-03-13 | DULEVO INTERNATIONAL S.p.A. | Scraping device for floor and surface cleaning machines |
EP0314926A2 (en) * | 1987-11-06 | 1989-05-10 | DULEVO INTERNATIONAL S.p.A. | Scraping device for floor and surface cleaning machines |
US4934012A (en) * | 1988-05-10 | 1990-06-19 | Electricite De France | Device for brushing the gasket face of a manhole for gaining access to the inside of a vessel |
US5105802A (en) * | 1990-04-06 | 1992-04-21 | Leatherjet Inc. | Device for working a conditioning substance on a surface |
US20030064670A1 (en) * | 2001-10-02 | 2003-04-03 | Matthew Carr | Worktool |
US20080293346A1 (en) * | 2005-12-21 | 2008-11-27 | Linco Food Systems A/S | Poultry Defeathering Apparatus |
US7648412B2 (en) * | 2005-12-21 | 2010-01-19 | Linco Food System A/S | Poultry defeathering apparatus |
US20130052915A1 (en) * | 2011-08-23 | 2013-02-28 | Cha Enterprise Co., Ltd. | Drive assembly for a grinder |
US8870631B2 (en) * | 2011-08-23 | 2014-10-28 | Cha Enterprise Co., Ltd. | Drive assembly for a grinder |
US8966698B2 (en) | 2012-11-27 | 2015-03-03 | Techtronic Floor Care Technology Limited | Brush head for an electric toothbrush |
US20190202025A1 (en) * | 2016-06-03 | 2019-07-04 | Husqvarna Ab | Grinding head for floor grinding machine and method of assembling a grinding head, setting a belt tensioner, servicing, assembling or disassembling a belt pulley for a floor grinding machine |
US12048982B2 (en) * | 2016-06-03 | 2024-07-30 | Husqvarna Ab | Grinding head for floor grinding machine and method of assembling a grinding head, setting a belt tensioner, servicing, assembling or disassembling a belt pulley for a floor grinding machine |
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