WO2006112847A1 - Drain cleaning apparatus - Google Patents
Drain cleaning apparatus Download PDFInfo
- Publication number
- WO2006112847A1 WO2006112847A1 PCT/US2005/013667 US2005013667W WO2006112847A1 WO 2006112847 A1 WO2006112847 A1 WO 2006112847A1 US 2005013667 W US2005013667 W US 2005013667W WO 2006112847 A1 WO2006112847 A1 WO 2006112847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- cleaning apparatus
- drain cleaning
- housing
- axis
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
Definitions
- This invention relates to drain cleaning apparatus and devices and, more particularly, to improvements in portable, motor-operated drain cleaners.
- Relatively small, portable drain cleaners are of course well known and, generally, include a drain cleaning snake or cable coiled in a housing or drum from which an end of the cable extends for introduction into a drain or sewer line to be cleaned.
- the drum is rotated in order to rotate the cable about its axis as the latter is advanced into the drain, and such rotation of the drum is achieved by coupling the drum with a suitable drive motor which, in some instances is provided by a handheld drill.
- the cable is advanced out of the drum and into a drain either manually, by pulling the cable outwardly of the drum, or through the use of a cable feeding device attached to the drum as shown, for example, in patents 6,158,076 to Rutkowski, et al. and 6,615,436 to Burch, et al., or to a guide tube or hose as shown, for example, in patent 6,009,588 to Rutkowski, all of which patents are incorporated herein by reference for background information.
- the drum is a rotating part which a user must contend with during operation of the drain cleaner. Moreover, in the absence of a cable feeding device, the user must de-energize the drive motor and manually displace the cable out of the drum during a drain cleaning operation and back into the drum following completion of the operation. Such manual displacement of the cable exposes the user's hands, gloves or other clothing to the grime and other moisture-laden material which adheres to the cable as the latter advances into and is withdrawn from a drain or the like being cleaned.
- the drain cleaning apparatus and devices of the foregoing character heretofore available are not easy to use, most often do not provide for hands-off operation with respect to the cable, expose a user to contact with the rotating cable drum, and render a drain cleaning operation tedious and, often, undesirably time-consuming.
- a drain cleaning device in accordance with the invention provides for the drain cleaning cable to be stored in a non-rotating housing and to be rotated about the cable axis when the cable is in a drain by a motor coupled to the end of the cable in the housing.
- the outer or operating end of the cable can be associated with a cable feeding device coupled to the housing, such as through the use of a flexible guide tube or hose, whereby an operator of the apparatus does not have to come into contact with rotating parts of the apparatus, or the cable which rotates relative thereto and is advanced and retracted relative to the housing by the feeding device. Accordingly, use and operation of the device
- Suitable cable feeding devices can include those shown in the aforementioned patents and, preferably, is one enabling displacement of the cable out of and into the housing without changing the direction of the drive motor, such as the feed mechanisms disclosed in co-pending application Serial No.
- O the drain cleaning cable about its axis during displacement relative to a drain being cleaned is achieved by rotating the cable by a motor coupled to the end of the cable in a housing of the device.
- Yet another obj ect is the provision of apparatus of the foregoing character in which the drain cleaning cable is stored in a non-rotating housing and is directly rotated about the cable axis relative to the housing.
- a further object is the provision of drain cleaning apparatus of the foregoing character which is portable, easy to use, does not have any visible rotating parts, such as a cable drum, and affords an opportunity for hands-off use or use with a minimum hand contact with the cable during a drain cleaning operation.
- FIGURE 1 is a perspective view of drain cleaning apparatus in accordance with the invention.
- FIGURE 2 is a sectional elevation view of the apparatus shown in Figure 1;
- FIGURE 3 is a plan view of the base portion of the housing of the apparatus;
- FIGURE 4 is an inverted plan view of a cover portion of the housing;
- FIGURE 5 is a perspective view of another embodiment of drain cleaning apparatus in accordance with the invention.
- FIGURE 6 is a perspective view of the base portion of the housing of the apparatus shown in Figure 5;
- FIGURE 7 is an underside perspective view of the cover portion of the housing of the 5 apparatus shown in Figure 5;
- FIGURE 8 is a perspective view from one side of yet another embodiment of drain cleaning apparatus in accordance with the invention.
- FIGURE 9 is a perspective view of the apparatus in Figure 8 from the opposite side thereof;
- FIGURE 10 is an exploded perspective view of the component parts of the apparatus shown >0 in Figures 8 and 9;
- FIGURE 11 is a sectional elevation view of the apparatus taken along line 11-11 in Figure 9;
- FIGURE 12 is a cross-sectional elevation view of the apparatus taken along line 12-12 in Figure 9. >5 Description of Preferred Embodiments
- drain cleaning apparatus 10 illustrated in Figures 1 -4 includes a housing comprising a base 12 and a cover which, in this embodiment, includes first and second cover portions 14 and 16, respectively, which
- Base 12 has a first portion 12a which includes an annular wall 18 extending upwardly of the base and having a vertical axis A, and a domed wall 20 extending upwardly and radially inwardly from annular wall 18 and having a closed upper end or apex 22.
- Base 12 further includes a second base portion 12b integral with and extending laterally of the first base portion and having an upwardly open compartment area 24
- Cover portion 14 forms an outer shell of the housing with respect to base portion 12a and includes an annular wall 26 radially outwardly of and surrounding annular wall 18 of the base and a domed wall 28 extending upwardly and inwardly of wall 26 so as to be radially spaced from and overlie domed wall 20 of the base.
- Domed wall 28 terminates at its upper end in a cable opening 30 coaxial
- wall 28 includes a sleeve portion 32 having an outer surface provided with ribs or barbs 34 for frictionally interengaging with and coupling a flexible guide hose 36 with the cover.
- the spaced annular and domed walls provide a cable passageway 38 having a lower end 38a and an upper end 38b which communicates with cable opening 30, and a drain cleaning cable 40 is
- Cable 40 has an inner end 42 relative to the housing which extends tangentially from lower end 38a of passageway 38 through an opening 44 in the lower portion of annular wall 26 of the cover for coupling with a drive motor unit M of the apparatus as set forth more fully hereinafter. Cable 40 extends upwardly from the coil in the lower portion of passageway 38, through cable opening 30 and, in the
- the cable feeder comprises a base B having axially opposite ends and an actuator defined by first and second actuator members Al and A2, respectively, overlying base B between the opposite ends thereof. Actuators Al and A2 are mounted on base B
- the feeding device further includes axially spaced apart sets of actuating rolls, each of which sets includes a pair of rolls mounted on the corresponding one of the actuators Al and A2 and a single roll mounted on base B and underlying the rolls on the corresponding actuator.
- passageway 38 has a radial dimension which precludes two turns of the coil being in the same radial plane in the passageway. This relationship can be obtained by providing for the radial width of the passageway to be less than twice the outer diameter of the cable.
- Second cover portion 16 is contoured to overlie and matingly interengage with second base portion 12b, and the interior compartment area 24 of base portion 12b and the interior compartment area 48 of second cover portion 16 are structured to axially capture motor unit M and a pneumatically actuated switch unit 50 therebetween.
- an on-off switch 52 is mounted on cover portion 16 for selectively connecting and disconnecting motor unit M to a power source which, in the embodiment disclosed, is a 110 volt source to which the motor unit is connected by a power cord 54.
- Motor unit M is mounted on cover portion 16 and comprises an electric motor 56 and a gear box 58 which is driven thereby and which has a slip clutch output coupling 60 for connection to end 42 of cable 40 by means of a pair of set screws 62.
- Pneumatically actuated switch 50 is mounted on cover portion 16 and is connected to an air hose 64 which, in a well-known manner, has a foot or hand actuator component attached to the outer end thereof and by which pulses of air under pressure are delivered to the switch by depressing the actuator to alternately open and close the switch. While not shown, it will be appreciated that switches 50 and 52 are connected in series with motor M and the power source, whereby displacement of switch 52 to the "on" position connects motor M to the power source subject to the operating condition of switch 50. During use, the operator displaces the actuator of the pneumatically actuated switch to alternately energize and de-energize motor 56 and, accordingly, alternately rotate and stop rotation of cable 40.
- Cover portion 14 is removably attached to base 12 by means of a plurality of threaded fasteners, not shown, extending through openings 66 in cover portion 14 and into openings 68 therefor in base 12, and cover portion 16 is removably mounted on the base by a plurality of threaded fasteners, not shown, which extend upwardly from the bottom of base 12 through openings 70 therefor and to openings 72 in cover portion 16.
- Domed wall 28 of cover portion 14 is provided with a plurality of arcuate slots 74 therethrough which enable observing the movement of cable 40 upwardly toward opening 30 during operation of the apparatus, and housing and cover portions 12b and 16 are provided with aligned slots 75 which provide vent openings to the motor unit when the base and cover are assembled.
- a handle 76 is provided for lifting and transporting the drain cleaner and includes a first end 76a attached to domed wall 28 of cover 14 by a threaded fastener 78 extending into the handle from the interior side of wall 28. Second end 76b of the handle is releasably interengaged with cover portion 16 by a slot and finger arrangement including slots 80 and 82 in cover portion 16 and fingers 84 and 86 on end 76b of the handle which extend through slots 80 and 82, respectively.
- Finger 84 engages under the inner side of cover portion 16, and the handle is removable with cover portion 14 by removing the fasteners from the openings 66 of the latter and pivoting cover portion 14 and handle 76 clockwise from the position shown in Figure 2 to disengage fingers 82 and 84 from the corresponding slots and then lifting cover portion 14 and handle 76 from cover portion 16.
- power cord 54 is plugged into a power source and switch 52 is then turned to the "on" position to enable energizing of the motor dependent on the condition of pneumatically actuated switch 50. Presuming the operator to depress the actuator of switch 50 to close the switch, motor 56 is energized and cable 40 is rotated relative to base 12 and the cover components. Further presuming the cable feeding device CF to be in a neutral position as shown in Figure 2, end 46 of the cable rotates relative thereto and can be positioned at the entrance of a drain into which the cable is to be advanced.
- actuator Al operable to displace the cable to the right in Figure 2 relative to the cable feeder
- the operator can then displace actuator Al toward body B of the cable feeding device to engage the cable between the rolls of the corresponding roll set and thus advance the cable into the drain.
- the operator can displace the cable feeding device to its neutral position whereby the cable continues to rotate without being further advanced into the drain.
- the operator can actuate switch 50 to open the circuit to motor 56 to interrupt rotation of the cable.
- the operator can displace actuator A2 toward base B, whereupon the cable is engaged between the rolls of the corresponding roll set to reverse the direction of displacement of the rotating cable relative thereto to withdraw the cable from the drain.
- a pneumatically-operated switch of the foregoing character and a manually operable cable feeding device are preferred in connection with operating the apparatus to optimize the operator's ability to control the operation and to provide hands-free operation, it will be appreciated that control of the drive motor can be achieved through just the on-off switch 52 and that the cable can be manually pulled from the housing and pushed into a drain to be cleaned.
- FIGs 5-7 illustrate drain cleaning apparatus 1OA which, primarily, incorporates a modification of the housing structure of apparatus 10 illustrated in Figures 1-4. Accordingly, like
- Drain cleaning apparatus 1OA comprises a base 12A which includes a first portion 12a comprising annular and domed wall portions 18 and 20, respectively.
- Base 12A also includes a second U-shaped portion 12b integral with and extending laterally from portion 12a and defined by legs 92 and 94 extending generally tangentially from the opposite sides of base portion 12a and
- the housing of drain cleaning apparatus 1OA further includes a cover comprising a first cover portion 14A and a second cover portion 16A which, in this embodiment, is integral with and extends laterally from the first cover portion.
- Housing portion 14A includes annular and domed wall portions 26 and 28 which are spaced from and overlie and cooperate with wall portions 18 and 20
- Housing portion 16A is defined by legs 98 and 100 extending generally tangentially of housing portion 14A and a bridging portion 102 between the outer ends of the legs, and when the base and cover portions are assembled, legs 98 and 100 and bridging portion 102 respectively overlie legs 92 and 94 and bridging portion 96 of base portion 12b. Moreover, when the base and cover portions are assembled, legs 98 and 100 and bridging portion 102 respectively overlie legs 92 and 94 and bridging portion 96 of base portion 12b. Moreover, when the base and cover portions are assembled, legs 98 and 100 and bridging portion 102 respectively overlie legs 92 and 94 and bridging portion 96 of base portion 12b. Moreover, when the base and cover
- legs 92 and 98 define a compartment for a battery pack 103 and on-off switch 104
- legs 94 and 100 define a compartment for a motor unit M.
- the legs and bridging portions of the base and cover members cooperatively provide a carrying handle 105 for the drain cleaning apparatus.
- motor unit M includes a motor 106 and gear box 108 having a slip clutch
- the drain cleaning apparatus can also be provided with a pneumatically actuated, foot-operated control switch if desired. While not shown, it will be appreciated that the
- a drain cleaning cable is coiled about annular wall 18 of the base portion and has an inner end connected to coupling 60 for rotation of the cable about its axis by motor 106, and the cable extends through the cable opening at the top of domed wall 28 of the cover and has an outer end spaced therefrom for introduction into a drain to be cleaned.
- drain cleaning apparatus 120 includes a cylindrical housing having a horizontal axis A and comprising first and second housing members 122 and 124 axially interconnected by a plurality of threaded fasteners 126.
- Housing member 122 comprises a circular outer wall 128 and a closed end wall 130
- member 124 comprises a circular outer wall 132 and an inwardly extending peripheral flange 134 which provides for the corresponding end of the housing to be open.
- the drain cleaning apparatus further includes a drum 136 having a closed end wall 138 and a circular outer wall 140 spaced radially inwardly of the outer peripheral edge of wall 138 to define a peripheral flange 142 about the closed end of the drum.
- Drum 136 is received in the housing and supported for rotation relative thereto about axis A. More particularly, in this respect, end wall 138 of the drum is provided with an axially inwardly extending drum shaft 144, and end wall 130 of housing member 122 is provided with an axially inwardly extending hub 146 which receives the innermost end of shaft 144 and supports the latter for rotation about axis A.
- Drum 136 is axially retained in hub 146 by means of a washer 148 and a drum mounting fastener 150.
- the axially inner side of end wall 138 of drum 136 is provided with a compartment 152 for receiving a motor unit M, a compartment 154 for receiving a battery pack 156, and an axially inwardly extending switch recess 158 having an inner wall 160 on which an on-off switch 162 is mounted.
- motor unit M includes an electric motor 164 connected to a gear box 166 having an output to a slip clutch coupling 60 by which inner end 42 of drain cleaning cable 40 is coupled to the motor unit.
- End wall 138 of the drum is provided with slots 139 for venting the motor unit compartment.
- the housing as defined by housing members 122 and 124 has a cable opening 168, and cable 40 is coiled about drum 136 in the space between drum wall 140 and cylindrical walls 128 and 132 of the housing members, which space defines a cable passageway 38, and the cable extends outwardly through opening 168 and, as in the previous embodiments, has
- opening 168 terminates in a collar 170 which is provided with barbs or the like to facilitate connecting a flexible guide tube thereto, such as that shown in connection with the embodiment of Figures 1-4. Opening 168 extends generally tangentially of the passageway at the upper portion of the housing. Motor unit M and battery pack 156 are axially captured in the corresponding
- a retainer 172 including a plate portion 174 overlying compartment 154 and a retaining arm 176 which depends therefrom and across compartment 152.
- End wall 138 of drum 136 is provided on the axially outer side thereof with a crank arm 180 by which the drum can be manually rotated about axis A relative to the housing, and each of the housing members is provided with a pair of circumferentially spaced apart feet 182 for supporting
- closed end wall 130 of housing member 122 is provided with a plurality of radially extending axially outwardly projecting recesses 184 each of which terminates in a foot 186 which projects axially outwardly therefrom and which feet provide an alternative arrangement for supporting the drain cleaner on an underlying surface.
- each of the housing members 122 and 124 is provided
- motor 164 is adapted to be energized through on-off switch 162, and when the latter is in the "on position” the motor operates through gear box 166 to rotate cable 40 about its axis and relative to the drum and
- drum 136 is free to rotate in the clockwise direction in Figure 11 to accommodate such cable displacement.
- drum 136 is free to rotate in the opposite direction as the cable is fed back into the housing.
- the operator can actuate the switch to the "off position," thereby stopping rotation of the cable, and then manually rotate drum 136 through the use of crank arm 180 to more quickly draw the cable back into the housing.
- the housing components are constructed from a suitable plastic material such as polyethylene, for example, and preferably are constructed from an antibacterial plastic material or a plastic material such as polyethylene having an antibacterial additive therein such as the additive IRGAGUARD available from Ciba Specialty Chemicals, Inc. of Tarrytown, New York.
- the drive motor can be reversible in which case the main control switch would operate to reverse the direction of the output rotation of the motor, thus enabling the use of a cable feeding device with the drain cleaner which would operate to displace the cable into a drain in response to rotation of the cable in one direction about its axis and outwardly of the drain and into the housing in response to rotation of the cable in the opposite direction about its axis.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008506429A JP2008536034A (en) | 2005-04-14 | 2005-04-14 | Drain pipe cleaning device |
PCT/US2005/013667 WO2006112847A1 (en) | 2005-04-14 | 2005-04-14 | Drain cleaning apparatus |
EP05741917A EP1871548A1 (en) | 2005-04-14 | 2005-04-14 | Drain cleaning apparatus |
CNA200580049466XA CN101180139A (en) | 2005-04-14 | 2005-04-14 | Drain cleaning device |
CA002604221A CA2604221A1 (en) | 2005-04-14 | 2005-04-14 | Drain cleaning apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2005/013667 WO2006112847A1 (en) | 2005-04-14 | 2005-04-14 | Drain cleaning apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006112847A1 true WO2006112847A1 (en) | 2006-10-26 |
Family
ID=37115442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/013667 WO2006112847A1 (en) | 2005-04-14 | 2005-04-14 | Drain cleaning apparatus |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1871548A1 (en) |
JP (1) | JP2008536034A (en) |
CA (1) | CA2604221A1 (en) |
WO (1) | WO2006112847A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9884353B2 (en) | 2015-12-09 | 2018-02-06 | Milwaukee Electric Tool Corporation | Drain cleaner |
US10486207B2 (en) | 2016-02-17 | 2019-11-26 | Milwaukee Electric Tool Corporation | Closet auger |
US10704250B2 (en) | 2016-10-28 | 2020-07-07 | Milwaukee Electric Tool Corporation | Sewer cleaning machine |
US10722928B2 (en) | 2016-11-28 | 2020-07-28 | Milwaukee Electric Tool Corporation | Drain cleaner |
US11021859B2 (en) | 2018-08-10 | 2021-06-01 | Milwaukee Electric Tool Corporation | Drain cleaning machine |
US11505229B2 (en) | 2018-04-13 | 2022-11-22 | Milwaukee Electric Tool Corporation | Tool support |
US11603654B2 (en) | 2019-05-15 | 2023-03-14 | Milwaukee Electric Tool Corporation | Drain cleaning device |
US11905698B2 (en) | 2019-04-19 | 2024-02-20 | Milwaukee Electric Tool Corporation | Feed mechanism for a drain cleaner assembly |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020114281A (en) * | 2019-01-17 | 2020-07-30 | 三菱電機株式会社 | Vacuum cleaner |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2450486A (en) * | 1945-10-08 | 1948-10-05 | Clarence J Perry | Plumber's snake and feeding device therefor |
US2460149A (en) * | 1946-07-26 | 1949-01-25 | Lothar W Schoensiegel | Flexible rod driver |
US2625699A (en) * | 1949-12-16 | 1953-01-20 | Elsie M Jurasevich | Power-driven sewer cleaner |
US3317943A (en) * | 1965-10-22 | 1967-05-09 | George M Primm | Sewer rod attachment for drill |
-
2005
- 2005-04-14 EP EP05741917A patent/EP1871548A1/en not_active Withdrawn
- 2005-04-14 WO PCT/US2005/013667 patent/WO2006112847A1/en active Application Filing
- 2005-04-14 JP JP2008506429A patent/JP2008536034A/en not_active Withdrawn
- 2005-04-14 CA CA002604221A patent/CA2604221A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2450486A (en) * | 1945-10-08 | 1948-10-05 | Clarence J Perry | Plumber's snake and feeding device therefor |
US2460149A (en) * | 1946-07-26 | 1949-01-25 | Lothar W Schoensiegel | Flexible rod driver |
US2625699A (en) * | 1949-12-16 | 1953-01-20 | Elsie M Jurasevich | Power-driven sewer cleaner |
US3317943A (en) * | 1965-10-22 | 1967-05-09 | George M Primm | Sewer rod attachment for drill |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11103902B2 (en) | 2015-12-09 | 2021-08-31 | Milwaukee Electric Tool Corporation | Drain cleaner |
US9975154B1 (en) | 2015-12-09 | 2018-05-22 | Milwaukee Electric Tool Corporation | Drain cleaner |
US10239100B2 (en) | 2015-12-09 | 2019-03-26 | Milwaukee Electric Tool Corporation | Drain cleaner |
US9884353B2 (en) | 2015-12-09 | 2018-02-06 | Milwaukee Electric Tool Corporation | Drain cleaner |
US11684957B2 (en) | 2015-12-09 | 2023-06-27 | Milwaukee Electric Tool Corporation | Drain cleaner |
US10486207B2 (en) | 2016-02-17 | 2019-11-26 | Milwaukee Electric Tool Corporation | Closet auger |
US11185898B2 (en) | 2016-02-17 | 2021-11-30 | Milwaukee Electric Tool Corporation | Closet auger |
US10704250B2 (en) | 2016-10-28 | 2020-07-07 | Milwaukee Electric Tool Corporation | Sewer cleaning machine |
US11603653B2 (en) | 2016-10-28 | 2023-03-14 | Milwaukee Electric Tool Corporation | Sewer cleaning machine |
US11970850B2 (en) | 2016-10-28 | 2024-04-30 | Milwaukee Electric Tool Corporation | Sewer cleaning machine |
US11285521B2 (en) | 2016-11-28 | 2022-03-29 | Milwaukee Electric Tool Corporation | Drain cleaner |
US10722928B2 (en) | 2016-11-28 | 2020-07-28 | Milwaukee Electric Tool Corporation | Drain cleaner |
US11712721B2 (en) | 2016-11-28 | 2023-08-01 | Milwaukee Electric Tool Corporation | Drain cleaner |
US11505229B2 (en) | 2018-04-13 | 2022-11-22 | Milwaukee Electric Tool Corporation | Tool support |
US11021859B2 (en) | 2018-08-10 | 2021-06-01 | Milwaukee Electric Tool Corporation | Drain cleaning machine |
US11821188B2 (en) | 2018-08-10 | 2023-11-21 | Milwaukee Electric Tool Corporation | Drain cleaning machine |
US11905698B2 (en) | 2019-04-19 | 2024-02-20 | Milwaukee Electric Tool Corporation | Feed mechanism for a drain cleaner assembly |
US11603654B2 (en) | 2019-05-15 | 2023-03-14 | Milwaukee Electric Tool Corporation | Drain cleaning device |
Also Published As
Publication number | Publication date |
---|---|
CA2604221A1 (en) | 2006-10-26 |
JP2008536034A (en) | 2008-09-04 |
EP1871548A1 (en) | 2008-01-02 |
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