US3604049A - Squeegee vacuum pickup unit for mobile window washer - Google Patents

Squeegee vacuum pickup unit for mobile window washer Download PDF

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Publication number
US3604049A
US3604049A US807621A US3604049DA US3604049A US 3604049 A US3604049 A US 3604049A US 807621 A US807621 A US 807621A US 3604049D A US3604049D A US 3604049DA US 3604049 A US3604049 A US 3604049A
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United States
Prior art keywords
housing
mouth
wall
blades
blade
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Expired - Lifetime
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US807621A
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English (en)
Inventor
Frank W Hetman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALPANA ALUMINUM PRODUCTS Inc
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ALPANA ALUMINUM PRODUCTS Inc
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    • 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
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices

Definitions

  • PATENTED SEPMIQ 504 049 sum 2 or 3 INVEN'I'UR.
  • the invention relates to window washers moved over window and wall surfaces and more particularly to the squeegee unit thereon having a vacuum pickup. It is an object of the invention to provide a squeegee unit having a vacuum pickup between a pair of squeegee blade formations, the squeegee blade formations being mounted on the washer device so that the same are oblique to the direction of travel of the device. With the oblique mounting of the squeegee blade formations the window and wall surfaces are wiped clean and the vacuum picks up the cleaning fluid and dirt.
  • the obliquely positioned blades are progressively forced over crossbars, raised portions or depressions such as joints of a window surface which lie normal to the direction of travel of the device.
  • the blade edge portions are distorted temporarily out of shape.
  • a venturilike passage is formed at the crossbar or raised window portion through which air is sucked into the vacuum housing at an accelerated rate which very effectively draws cleaning fluid and dirt at the edge of the crossbar progressively across the bar as the washer travels over the window and wall surfaces.
  • a ven-- turi condition is created with the benefit as outlined above.
  • FIG. 1 is a front elevational view of a window washer unit having a vacuum squeegee pickup embodying the invention.
  • FIG. 2 is a side elevational view of the device of FIG. 1, a portion of which is broken away.
  • FIG. 3 is a sectional view on the line 3-3 of FIG. 1.
  • FIG. 4 is a sectional view on the line 4-4 of FIG. 1.
  • FIG. 5 is a perspective view of a portion of a squeegee blade as it moves over a raised horizontal cross member on a window.
  • FIG. 6 is a front elevational view of a window washer unit illustrating a further embodiment of the invention.
  • FIG. 7 is a sectional view on the line 77 of FIG. 6.
  • FIG. 8 is a side elevational view of the device of FIG. 6, a portion of which is broken away.
  • FIG. 9 is a front elevational view of a window washer unit illustrating a further embodiment of the invention, portions of the washer unit identical to those of FIGS. 1 and 6 being broken away.
  • FIG. 10 is a sectional view on the line Ill-10 of FIG. 9.
  • FIG. 11 is a sectional view on the line 1 Ill of FIG. 9.
  • the window washer W having the vacuum squeegee pickup unit A includes the washer housing 12 formed of the spaced sidewalls 14 and 16 connected by the rear wall 18.
  • Mounted on the housing 12 is the rotatable cylindrical brush 20 driven by the motor 22 through the chain 24 mounted on the gear 26 of the motor and the gear 28 mounted on the end shaft 30 of the brush.
  • the plurality of spray nozzles 32 mounted on the liquid supply tube 34 to which a supply of fluid is pumped by conventional means not shown, one form of which is disclosed in application Ser. No. 553,351.
  • the lower ends of the sidewalls are connected by a bottom wall 33, and the upper ends of the sidewalls are connected by a top wall 35.
  • the numeral 36 designates a tank mounted on the lower end of the housing which contains a supply of cleaning liquid pumped to the nozzles 32 and circulated back to the tank by means such as shown in application Ser. No. 553,351.
  • the housing 12 has mounted on the front edge of the sidewall 14 of the flap 38 and on the front edge of the sidewall 16 the flap 40 which maintain spray and water vapor within the unit.
  • One or more squeegees such as 42, 44 and 46 are connected at the ends thereof to the sidewalls l4 and I6 and extend horizontally across the housing.
  • the squeegee water vacuum pickup unit A includes as a part of the vacuum housing 47 the first upper flexible blade 48 affixed at its inner edge to the outer edge 49 of the first upper wall 50 of the vacuum unit.
  • the upper wall 50 and the blade affixed thereto are obliquely disposed to the wall 16 and the direction of travel of the washer unit W.
  • the first lower flexible blade 52 affixed at its inner edge to the outer edge 51 of the first lower wall 54, the wall 54 being spaced from and parallel to the wall 50.
  • the outer end of the first upper wall 50 has formed thereon the flange 56 which is secured to the wall 16, and the outer end of the lower wall 54 has formed thereon the flange 58 which is secured to the wall 16.
  • the upper wall 50 and the lower wall 54 are connected at the rear edges thereof by the rear wall 60.
  • the blades 48 and 52 form an acute angle relative to the wall 16 and the direction of travel of the unit W.
  • the numeral 62 designates a second upper flexible blade affixed at its inner edge to the outer edge 64 of the second upper wall 66 of the vacuum unit.
  • the second upper wall 66 and the blade affixed thereto are obliquely disposed to the wall 14.
  • the second lower flexible blade 68 affixed at its inner edge to the outer edge 70 of the second lower wall 71, the wall 66 being spaced from and parallel to the wall 71.
  • the outer end of the second upper wall 66 has formed thereon the flange 72 which is secured to the wall 14, and the outer end of the second lower wall 70 has formed thereon the flange 74 which is secured to the wall 14.
  • the upper wall 66 and the lower wall 70 are connected at the rear edges thereof by the rear wall 76.
  • the blades 48 and 62 form a first or upper following blade and the blades 52 and 68 form a second or lead blade.
  • the blades 48, 62, 52 and 68 together with the walls 50, 51, 66 and 71 and the rear walls 60 and 76 form a suction chamber. It will be seen that the inner end of the first upper blade 50 abuts the second upper blade 62 adjacent the inner end thereof and the inner end of the first lower blade 54 abuts the second lower blade 68 adjacent the inner end thereof.
  • the disposition of the walls 50, 54, 66 and 70 together with blades 40, 54, 62 and 68 form a V-shaped mouth squeegee opening 78 for the vacuum housing 47 with the apex of the V extended in the direction of travel.
  • the eyes 80 and 82 Secured to the top wall 35 of the washer W are the eyes 80 and 82 to which cable means are connected for moving the washer over the window and wall surfaces of a building by means of a powered winch or the like located on the top of the building.
  • the washer may also be moved over the window and wall surfaces by means of drive means such as disclosed in application Ser. No. 553,35 l in a vertical or horizontal travel.
  • the suction port 84 connected to the housing 86 in which is mounted a conventional vacuum motor which produces the suction and vacuum between the blades of the vacuum housing 47 as referred to hereinafter.
  • the brush 20 and fluid from nozzles 32 cleans the surfaces.
  • the horizontal squeegees 42-46 remove the greater portion of the fluid from the surfaces;
  • the unit A operates as a final and complete squeegeeing and pickup of fluid and dirt from the windows of the building.
  • cleaning fluid upon the windows is caused to travel along each of the squeegee blades 52 and 68 as indicated by the arrows in FIG. I.
  • the fluid moves to the outer ends of the blades 52 and 68 when the suction existing at ends of the blades draws in the fluid.
  • the fluid is sucked through the vacuum housing 47 to and through the suction port 84 into the suction housing having a conventional motor and suction fan from which it is exhausted through outlet 88.
  • the blades of the unit A contact and are rigidly and progressively forced over the cross bar or raised portion of a window at an angle.
  • the blade edge portions are distorted temporarily out of shape whereby the same can be forced over the bar 90, FIG. 5 in particular.
  • FIGS. 6-8 illustrate a further embodiment of the invention in which is shown the window washer Wa which is identical to washer W except for the vacuum pickup unit B.
  • the identical parts of the washer Wa bear the same reference numeral as used relative to washer W but accompanied by a lowercase letter a.
  • the squeegee water vacuum pickup unit B includes as a part of the vacuum housing 96 the first upper flexible blade 98 affixed at its inner edge to the outer edge of the first upper wall 100 of the vacuum unit.
  • the upper wall 100 and the blade thereon are obliquely disposed to the wall 16a and the direction of travel of the washer Wa.
  • the first lower flexible blade 102 affixed at its inner edge to the outer edge of the first lower wall 104, the wall 104 being spaced from and parallel to the wall 100.
  • the outer end of the first upper wall 100 has formed thereon the flange 106 which is secured to the wall 160, and the outer end of the lower wall 104 has formed thereon the flange 108 which is secured to the wall 16a.
  • the upper wall 106 and the lower wall 104 are connected at the rear edges thereof by the rear wall 110.
  • the blades 98 and 102 form an acute angle relative to the wall 16a and the direction of travel of the unit Wa.
  • the numeral 112 designates a second upper flexible blade affixed at its inner edge to the outer edge of the second upper wall 114 of the vacuum unit.
  • the second upper wall 114 and the blade affixed thereto are obliquely disposed to the wall 14a.
  • the second lower flexible blade 116 affixed at its inner edge to the outer edge of the second lower wall 118, the wall 1ll4 being spaced from and parallel to the wall 118.
  • the outer end of the second upper wall 114 has formed thereon the flanges 120 secured to the wall 14a, and the outer end of the second lower wall 118 has formed thereon the flange 122 secured to the wall 14a.
  • the upper wall 114 and the lower wall 118 are connected at the rear edges thereof by the rear wall 124 which joins the rear wall 110 at the vacuum exit or suction opening 126.
  • the inner end of the lower blades 102 and 116 together with the inner ends of the lower walls 104 and 118 are spaced to form a vacuum inlet aperture 128 therebetween.
  • the inner end of the upper blade 98 overlaps the inner end of the blade 112 and the inner end of the upper wall I00 joins the inner end of the upper wall 114 to effect a closure wall for the housing 96.
  • the pair of blades 98 and 102 together with the pair of blades 112 and 116 form obtuse angles each obliquely positioned with respects to the walls 14a and 160 which walls are parallel to the direction of travel of the washer Wa over the window and wall surfaces of a building.
  • the washer Wa operates in the manner the washer W operates as described heretofore.
  • the unit B operates as a final and complete pickup of fluid from the windows of a building being cleaned. As the unit B is caused to move downwardly as indicated by the arrow in FIG. 6, cleaning fluid upon the window surface is caused to travel upwardly along each of the squeegee blades l02 and 116 as indicated by the arrows in FIG. 6. The fluid moves to the inner ends of the blades and to the vacuum inlet aperture 128 and where it is sucked into the suction housing 132 having a conventional motor and suction fan from which it is exhausted through outlet 133.
  • FIGS. 9, 10 and 11 is illustrated an additional embodiment of the invention wherein the washer unit Wb is the same as W and Wa except for the squeegee vacuum pickup unit C.
  • the parts of the washer Wb that are identical bear the same reference numeral but accompanied by a lowercase letter b.
  • the squeegee water vacuum pickup unit C includes as a part of the vacuum housing 134 the upper flexible blade 136 affixed at its inner edge to the outer edge of the upper wall 138 of the vacuum unit.
  • the upper wall 138 and the blade thereon are obliquely disposed to the walls 14b and 16b and the direction of travel of the washer unit Wb.
  • the lower flexible blade 140 affixed at its inner edge to the outer edge of the lower wall 142, the wall 142, being spaced from and parallel to the wall 138.
  • the outer end of the upper wall 138 has formed thereon the flange 44 which is secured to the wall 16b and the opposed outer end of the wall is formed with the flange 46 which is secured to the wall 14b.
  • the lower wall 142 has formed on one end thereof the flange 148 which is secured to the wall 16b and the other end formed with the flange which is secured to the wall 14b.
  • the walls 138 and 142 are secured to a rear wall 144 which together with the blades I36 and 140 form a suction cavity.
  • the rear wall 144 has formed in one end thereof a first suction port 146 which is connected to the suction conduit 148.
  • the suction conduit is connected to the housing 150 in which is mounted a conventional vacuum motor which produces the suction and vacuum between the blades of the vacuum housing 134.
  • a second suction port 152 is Formed in the other end of the rear wall 144 which is connected to the suction conduit 148.
  • the unit C may be used to pick up and clean in one direction of travel upon window surfaces as indicated by the arrow at the left of FIG. 9 and in the opposed direction of travel as indicated by the arrow at the right of FIG. 9.
  • cleaning fluid is caused to travel along the lower blade M0 as indicated by the arrows in FIG. 9.
  • the fluid and dirt comes to outer end of the blade 140 where the suction existing at the outer ends of the blades draws the fluid into the housing 134 and into the suction port 146 where it moves through the conduit 148 to the housing 150 from where it is exhausted out the outlet 154 by means of a conventional motor and suction fan.
  • the blades ll36 and 140 With the blades ll36 and 140 obliquely positioned to the line of travel of the washer Wb the blades collect fluid on the surfaces to be washed and the same pick up the fluid and water at a window crossbar such as 92 in the manner hereinbefore described.
  • the unit C may be mounted in a washer unit such as Wb with the brush and fluid nozzle units as illustrated in FlGS. 1-7 preceding the unit relative to the line of travel of the washer.
  • the line of travel of the unit C would be in the direction of travel indicated by the arrow on the right of FIG. 9, whereby fluid and dirt would be caused to travel along the blade 136 to the outer end of the blade and be sucked into the suction port 152 and thence through the conduit 148, housing 150 and return line 154.
  • the suction port 152 is shut off by means of the butterfly valve 156 whereby only the suction port 146 is operated.
  • a housing having b. suction means connected to and communicating therewith, c. said housing having a mouth, d. said mouth having a first flexible means along one side thereof, e. saidmouth having second flexible means along another side thereof opposed to and parallel to said first flexible means and spaced from said first flexible means throughout its length with the ends of said first and second flexible means open at each end, said housing rigidly connected to the device and disposed relative thereto with said flexible means thereof positioned obliquely and fixed with respect to the direction of travel of the device in either direction over the building surfaces.
  • suction means is connected to said housing adjacent the apex of said V-shaped mouth and b. said first blades have an opening formed therein adjacent the apex of said mouth and communicating with said housing.
  • suction means is positioned adjacent at least one end of said rectilinear mouth.
  • suction means includes two inlets, one of said inlets connected to and adjacent one end of said housing and the other of said inlets connected to and adjacent the other end of said housing.
  • suction means in connected to said housing adjacent the apex of said V-shaped mouth.

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  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US807621A 1969-03-17 1969-03-17 Squeegee vacuum pickup unit for mobile window washer Expired - Lifetime US3604049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80762169A 1969-03-17 1969-03-17

Publications (1)

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US3604049A true US3604049A (en) 1971-09-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
US807621A Expired - Lifetime US3604049A (en) 1969-03-17 1969-03-17 Squeegee vacuum pickup unit for mobile window washer

Country Status (7)

Country Link
US (1) US3604049A (enrdf_load_stackoverflow)
JP (1) JPS4830853B1 (enrdf_load_stackoverflow)
BE (1) BE745472A (enrdf_load_stackoverflow)
DK (1) DK125360B (enrdf_load_stackoverflow)
FR (1) FR2034980B1 (enrdf_load_stackoverflow)
GB (1) GB1250434A (enrdf_load_stackoverflow)
SE (1) SE364632B (enrdf_load_stackoverflow)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803656A (en) * 1971-01-20 1974-04-16 Harsco Corp Automatic window washer
US3942213A (en) * 1971-04-02 1976-03-09 Jr Ralph H Hoener Window wall washing device for high rise buildings
US4112535A (en) * 1976-06-21 1978-09-12 C. H. Heist Corporation High pressure jet wall cleaner apparatus
US4455706A (en) * 1978-10-05 1984-06-26 Ing. Jurgen Volkmann, Gmbh Process and apparatus for the removal or controlled reduction of adherent films of liquid on hard surfaces
US5555597A (en) * 1994-12-29 1996-09-17 Shop Vac Corporation Apparatus for converting a vacuum cleaning device into a liquid dispensing and suctioning system
US5600866A (en) * 1995-12-12 1997-02-11 Shop Vac Corporation Cleaning fluid tank assembly
US5699576A (en) * 1995-04-07 1997-12-23 Robert S. Tomko Exterior window cleaning apparatus
US6170109B1 (en) * 1999-05-13 2001-01-09 Mongkol Jesadanont Automatic machines for cleaning outer wall of a high-rise building
US6550090B1 (en) 2000-06-21 2003-04-22 Mongkol Jesadanont Surface scrubbing machine
US20110162297A1 (en) * 2008-08-15 2011-07-07 4Wwwwie B.V. window assembly provided with a cleaning device
USD669645S1 (en) * 2012-01-30 2012-10-23 Patterson Jr Carl Automatic window washing device
TWI408011B (enrdf_load_stackoverflow) * 2011-01-20 2013-09-11
CN108526066A (zh) * 2018-03-30 2018-09-14 刘健红 一种开关柜观察窗清洁设备
CN108968788A (zh) * 2018-08-20 2018-12-11 陈怀娥 一种智能擦玻璃机器人
US10383492B2 (en) 2015-12-09 2019-08-20 Alfred Kärcher SE & Co. KG Window cleaning robot
CN113827126A (zh) * 2021-10-18 2021-12-24 山东大学 一种高空玻璃幕墙清洗机构及清洗装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142184U (enrdf_load_stackoverflow) * 1974-09-20 1976-03-29
JPS5183068U (enrdf_load_stackoverflow) * 1974-12-26 1976-07-03
JPS6096562U (ja) * 1983-12-07 1985-07-01 有限会社清水製作所 製氷皿

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE569799C (de) * 1931-07-04 1933-02-08 Heinz Kalinowski Elektrische Spuel- und Aufwischmaschine
GB634674A (en) * 1946-06-14 1950-03-22 Richard Pierpont Moore Improvements in suction sweepers
US3019462A (en) * 1960-01-26 1962-02-06 Jacuzzi Bros Inc Vacuum cleaner
US3345672A (en) * 1965-02-15 1967-10-10 California Car Wash Systems In Window cleaning device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195167A (en) * 1963-08-22 1965-07-20 Maury W Wayne Window cleaning device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE569799C (de) * 1931-07-04 1933-02-08 Heinz Kalinowski Elektrische Spuel- und Aufwischmaschine
GB634674A (en) * 1946-06-14 1950-03-22 Richard Pierpont Moore Improvements in suction sweepers
US3019462A (en) * 1960-01-26 1962-02-06 Jacuzzi Bros Inc Vacuum cleaner
US3345672A (en) * 1965-02-15 1967-10-10 California Car Wash Systems In Window cleaning device

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803656A (en) * 1971-01-20 1974-04-16 Harsco Corp Automatic window washer
US3942213A (en) * 1971-04-02 1976-03-09 Jr Ralph H Hoener Window wall washing device for high rise buildings
US4025984A (en) * 1971-04-02 1977-05-31 H. H. Robertson Company Window wall washing device for high rise buildings
US4112535A (en) * 1976-06-21 1978-09-12 C. H. Heist Corporation High pressure jet wall cleaner apparatus
US4455706A (en) * 1978-10-05 1984-06-26 Ing. Jurgen Volkmann, Gmbh Process and apparatus for the removal or controlled reduction of adherent films of liquid on hard surfaces
US5555597A (en) * 1994-12-29 1996-09-17 Shop Vac Corporation Apparatus for converting a vacuum cleaning device into a liquid dispensing and suctioning system
US5699576A (en) * 1995-04-07 1997-12-23 Robert S. Tomko Exterior window cleaning apparatus
US5600866A (en) * 1995-12-12 1997-02-11 Shop Vac Corporation Cleaning fluid tank assembly
US6170109B1 (en) * 1999-05-13 2001-01-09 Mongkol Jesadanont Automatic machines for cleaning outer wall of a high-rise building
US6550090B1 (en) 2000-06-21 2003-04-22 Mongkol Jesadanont Surface scrubbing machine
US20110162297A1 (en) * 2008-08-15 2011-07-07 4Wwwwie B.V. window assembly provided with a cleaning device
TWI408011B (enrdf_load_stackoverflow) * 2011-01-20 2013-09-11
USD669645S1 (en) * 2012-01-30 2012-10-23 Patterson Jr Carl Automatic window washing device
US10383492B2 (en) 2015-12-09 2019-08-20 Alfred Kärcher SE & Co. KG Window cleaning robot
US11284756B2 (en) 2015-12-09 2022-03-29 Alfred Kärcher SE & Co. KG Window cleaning robot
CN108526066A (zh) * 2018-03-30 2018-09-14 刘健红 一种开关柜观察窗清洁设备
CN108968788A (zh) * 2018-08-20 2018-12-11 陈怀娥 一种智能擦玻璃机器人
CN113827126A (zh) * 2021-10-18 2021-12-24 山东大学 一种高空玻璃幕墙清洗机构及清洗装置

Also Published As

Publication number Publication date
DE1957408B2 (de) 1975-09-18
FR2034980B1 (enrdf_load_stackoverflow) 1974-02-01
DK125360B (da) 1973-02-12
JPS4830853B1 (enrdf_load_stackoverflow) 1973-09-25
SE364632B (enrdf_load_stackoverflow) 1974-03-04
BE745472A (fr) 1970-08-04
FR2034980A1 (enrdf_load_stackoverflow) 1970-12-18
GB1250434A (enrdf_load_stackoverflow) 1971-10-20
DE1957408A1 (de) 1971-05-27

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