US2534969A - Surface working machine - Google Patents

Surface working machine Download PDF

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Publication number
US2534969A
US2534969A US690569A US69056946A US2534969A US 2534969 A US2534969 A US 2534969A US 690569 A US690569 A US 690569A US 69056946 A US69056946 A US 69056946A US 2534969 A US2534969 A US 2534969A
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United States
Prior art keywords
drum
working
dust
machine
wheels
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Expired - Lifetime
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US690569A
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English (en)
Inventor
Hauser Carl
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Individual
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Individual
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Publication date
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Publication of US2534969A publication Critical patent/US2534969A/en
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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
    • A47L11/4072—Arrangement of castors or wheels
    • 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
    • A47L11/24—Floor-sweeping machines, motor-driven
    • 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
    • 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
    • A47L11/4002—Installations of electric equipment
    • A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
    • 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • 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

Definitions

  • the present invention relates to a sort-ace working machine and, particularly, toa. floorsuriaoing machine. oi the rotary type employable V for cleaning, waxing, polishing and grinding floor surfaces-r It is an object of the invention to providemeans for mounting in a portable housingandiin a; very compact manner a horizontal cylindrical drum for rotation and for detachably connecting to said variousworhi-ng or cleaningdevices or tools.
  • Another object of the: invention is to provide means facilitating accommodation: of an electric motor within said horizontal drum for driving the same.
  • a further object of theinvention is toprovide means making it possible to associate a dust catcher or collector device with said housing,- which may be equipped: with a suction device adapted to be" actuated by said electric motor;
  • FIG. 1 is a sfde elevation of the machine according to the invention with the side wall of the housing removed therefrom and the upper portion of the operating handle broken away.
  • Fig. 2 shows a longitudinal vertical section taken on the line 2-2 in Fig. 1..
  • fig. 3 is an end View of the drum and the driving gear adapted to rotate the same, the
  • Fig. 7'- is avertical sectional view of a; dust suction device.
  • Fig. 8 is -a' horizontal section'at'view of the sucti'ondeviceef- Fig. 7-, and Fig. 9 showsa-crosssectionthrough: the dust suction compartment.
  • an I electric motor representedby 'its-motopfram is arranged within a hollow horizontal cylindrical working drum '3 and has a shaft 2 which substantially coincides with the drum axis.
  • Shaft 2 carries at both ends a bevelled friction wheel 3, preferably provided with a rubber surface.
  • Each friction wheel 3 drives three similar but inversely 2.
  • bevelled friction wheels 5' which are arranged on both end. walls-respectively, of the motor frame i and rotatably mounted on codi'recti onal pins screwed into the aforesaid end walls of'the'mo'tor frame.
  • Each-set of friction wheels 5 acts upona?
  • the cylindrical. dru-n T is adapted to removing receive various working tools or devices 8 which belong tothe machine and may be interchange ably mounted thereon.
  • working tools or devices 8 which belong tothe machine and may be interchange ably mounted thereon.
  • Each working device is equi-pped with aclamping means i-ilillustrated 1- 4: and'-5,.by means oiwhichthe working tool may bereadily: attached to and retained on the outercylindrical drum surface?
  • This drum surface may be covered by a grinding cloth which is pasted-thereonas shown inFi'gQfi'.
  • the two heads or ends of the drum T are forrned: two stationary supporting dish-shaped plates H the frame I of the electric motor is scour-edict;
  • Bi-fierent-fiat iron-ira ne hers ['3 l9: which are secured tothe disks it carry and: connectthe tothe' housing: 36 whichis made of sheet'metal and which includes: a dust collector compartment 34-.-
  • the four rollers on wheels 21' are eachsupported in aforh 'i he fGlk-Of thetwo fore rollers'is connected to a fiat iron: bar It screwed atltwtothe-dish i i and are adjustable in two positions-- determined?
  • Lever l5 and the aforesaid linkage form part of the height-regulating means for spacing the drum surface from a floor F to be worked upon.
  • a hollow axle 28 screwed into each disk I 1 projects therefrom in axial alinement with the threaded hole 25a.
  • the surface working machine has an operating handle of which only the fork H is shown in the drawings.
  • This fork I1 is pivotally mounted with its two perforated ends on the two hollow axles 28.
  • together with the two disks H and the intermediate fixing bars constitute the frame or under carriage on which the motor driven working drum and the housing are mounted.
  • the dust collector compartment 34 includes a suction or ventilator device comprising two horizontal suction tubes 23 symmetrically arranged in axial alinement, which have a radial inlet and an axial outlet opening as shown in Figs. 7 to 9.
  • Two fans 29 are disposed in the outlet openings and mounted on a common shaft driven by a grooved pulley l8 which extends outside the tubes 23 and is coupled for rotation with the pulley 9 by means of a transmission belt 22 running in the grooves of the pulleys.
  • a metal sheet 30 (Fig. 8) is fixed to the dust collector compartment 34 to divide the dust stream and lead it to the inlet openings of the suction tubes 23.
  • the dust sucked by the fans 29 falls down into a container 21 which forms the lower part of the dust-collector compartment 34 and is detachably hinged thereto.
  • the container 21 is equipped with a handle 38.
  • a partition 32 extending downward in the upper part of the dust collector compartment 34 is provided to guide the dust into the container 21, while the flow of air is deflected and passes upwards through a first filter 33 into a chamber behind the partition 32 and then through a second filter 3
  • Fig. 1 shows the machine drum equipped with a scrubbing device or tool comprising batches of steel shavings.
  • the scrubbing equipment is removed from the drum surface to uncover the grinding cloth surface of the same and the supporting bars M of the forerollers or wheels are then swung about pivot Ila from the lower stop 24a to abut against the upper one 24 while the screw 25 engages the corresponding upper
  • the friction generated by the respective rotating working tool on the fioor surface F may be varied by lifting or lowering the drum 1 by means of the adjusting lever means [5 arranged on both sides of the machine and having their free ends coupled by a cross handle bar (not shown).
  • the motor cable 35 extends along the operating handleand fork i!
  • the housing 36 covers all motor driven parts of the machine and preferably consists of detachable parts which may be removed separately.
  • the opening to the dust catcher may be so constructed that the dust is centrifuged into the dust catcher owing to the rotation of the working drum, while the revolved air flows through filters to the outside.
  • a surfacing machine adapted for the use of a plurality of interchangeable tools on the surface of the drum of the machine.
  • This drum is rotatable and hollow and accommodated in a casing which is equipped with front wheels and rear wheels; an electric motor positioned in said hollow drum and adapted to impart rotary movement to the latter, suction means in driving connection with said motor and disposed at a location above the axis of said drum within said casing, heightregulating means spacing said drum surface from said floor to be worked upon, said heightregulating means including hand-operated adjusting lever means pivotally mounted on the casing and a linkage connecting the adjusting lever means to the rear wheels, said linkage being pivoted to the casing above said rear wheels, whereby upon operation of said adjusting lever means said linkage swings said rear wheels to thereby regulate the distance of the axis of said drum with respect to the floor surface, and means connected to said front wheels for changing the relative position of the axis of the latter to that of said rear wheels.
  • a floor surface working machine having a rotatable and hollow drum accommodated in a casing which is equipped with front wheels and rear wheels; an electric motor positioned in said hollow drum and adapted to impart rotary movement to the latter, suction means in driving connection with said motor and disposed at a location above the axis of said drum within said casing, height-regulating means spacing said drum surface from said floor to be worked upon, said height-regulating means including hand-operated adjusting lever means pivotally mounted on the casing and a linkage connecting the adjusting lever means to the rear wheels, said linkage being pivoted to the casing above said rear wheels, whereby upon operation of said adjusting lever means said linkage swings said rear wheels to thereby regulate the distance of the axis of said drum with respect to the floor surface, and means connected to said front wheels for changing the relative position of the axis of the latter to that of said rear wheels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
US690569A 1945-08-17 1946-08-14 Surface working machine Expired - Lifetime US2534969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2534969X 1945-08-17

Publications (1)

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US2534969A true US2534969A (en) 1950-12-19

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575212A (en) * 1948-07-02 1951-11-13 Harry G Foster Wheel grinder
US2734498A (en) * 1952-08-11 1956-02-14 Von arx
US3072940A (en) * 1958-11-10 1963-01-15 Kelly Royce Maxwell Mobile cleaning devices
US3872539A (en) * 1973-02-12 1975-03-25 John S Doyel Hand-held cleaning device utilizing air flow and broom action
USRE29957E (en) * 1962-06-26 1979-04-10 Tennant Company Powered rotary brush
EP0241694A1 (en) * 1986-03-14 1987-10-21 Tennant Company Automatic tool force compensator for a surface maintenance machine
US20100170059A1 (en) * 2009-01-06 2010-07-08 Euro-Pro Operating, Llc Vacuum cleaner attachment
US20120115401A1 (en) * 2010-11-09 2012-05-10 Karcher North America, Inc. Floor Finish Removal and Cleaning Apparatus
CN104878584A (zh) * 2015-05-18 2015-09-02 刘影 一种手拿式无纺布滚刷刷洗机构
EP3238877A3 (en) * 2015-04-24 2018-04-18 Thomas J. Bernhardt Sanding apparatus

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US851702A (en) * 1906-08-13 1907-04-30 Vinzenz Spietschka Rotary dressing device.
US1222477A (en) * 1914-08-17 1917-04-10 Bissell Carpet Sweeper Co Vacuum-cleaner.
US1352583A (en) * 1920-09-14 Machine
US1406275A (en) * 1918-04-11 1922-02-14 Carl G Norman Sandpapering machine
US1520769A (en) * 1921-03-18 1924-12-30 John J Peterson Floor-scrubbing machine
US1576428A (en) * 1922-09-11 1926-03-09 Hadwiger Oscar Earl Floor-surfacing machine
US1620459A (en) * 1925-02-28 1927-03-08 Lester H Gray Surfacing machine
US1770643A (en) * 1927-03-29 1930-07-15 Giambertoni Andrea Floor brush with electrical drive
US1872502A (en) * 1930-05-21 1932-08-16 Raymond A Reid Sanding machine
US2001099A (en) * 1935-02-12 1935-05-14 William E Holt Floor surfacing machine
US2136529A (en) * 1934-01-12 1938-11-15 Harry C Trimble Surfacing machine
US2375102A (en) * 1942-02-11 1945-05-01 Harris Forist Floor sanding machine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1352583A (en) * 1920-09-14 Machine
US851702A (en) * 1906-08-13 1907-04-30 Vinzenz Spietschka Rotary dressing device.
US1222477A (en) * 1914-08-17 1917-04-10 Bissell Carpet Sweeper Co Vacuum-cleaner.
US1406275A (en) * 1918-04-11 1922-02-14 Carl G Norman Sandpapering machine
US1520769A (en) * 1921-03-18 1924-12-30 John J Peterson Floor-scrubbing machine
US1576428A (en) * 1922-09-11 1926-03-09 Hadwiger Oscar Earl Floor-surfacing machine
US1620459A (en) * 1925-02-28 1927-03-08 Lester H Gray Surfacing machine
US1770643A (en) * 1927-03-29 1930-07-15 Giambertoni Andrea Floor brush with electrical drive
US1872502A (en) * 1930-05-21 1932-08-16 Raymond A Reid Sanding machine
US2136529A (en) * 1934-01-12 1938-11-15 Harry C Trimble Surfacing machine
US2001099A (en) * 1935-02-12 1935-05-14 William E Holt Floor surfacing machine
US2375102A (en) * 1942-02-11 1945-05-01 Harris Forist Floor sanding machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575212A (en) * 1948-07-02 1951-11-13 Harry G Foster Wheel grinder
US2734498A (en) * 1952-08-11 1956-02-14 Von arx
US3072940A (en) * 1958-11-10 1963-01-15 Kelly Royce Maxwell Mobile cleaning devices
USRE29957E (en) * 1962-06-26 1979-04-10 Tennant Company Powered rotary brush
US3872539A (en) * 1973-02-12 1975-03-25 John S Doyel Hand-held cleaning device utilizing air flow and broom action
EP0241694A1 (en) * 1986-03-14 1987-10-21 Tennant Company Automatic tool force compensator for a surface maintenance machine
US20100170059A1 (en) * 2009-01-06 2010-07-08 Euro-Pro Operating, Llc Vacuum cleaner attachment
US20120115401A1 (en) * 2010-11-09 2012-05-10 Karcher North America, Inc. Floor Finish Removal and Cleaning Apparatus
US8876577B2 (en) * 2010-11-09 2014-11-04 Karcher North America, Inc. Floor finish removal and cleaning apparatus
EP3238877A3 (en) * 2015-04-24 2018-04-18 Thomas J. Bernhardt Sanding apparatus
CN104878584A (zh) * 2015-05-18 2015-09-02 刘影 一种手拿式无纺布滚刷刷洗机构

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