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    INTEGRAL VACUUM FAN HOUSING
    81.
    发明申请
    INTEGRAL VACUUM FAN HOUSING 审中-公开
    整体真空风扇房

    公开(公告)号：WO2009110915A1

    公开(公告)日：2009-09-11

    申请号：PCT/US2008/059016

    申请日：2008-04-01

    Applicant: TENNANT COMPANY ,  ADELMAN, Kurt, Clarence ,  WYDRA, Larry, David

    Inventor： ADELMAN, Kurt, Clarence ,  WYDRA, Larry, David

    IPC: A47L9/10

    CPC classification number: A47L11/24 ,  A47L11/40 ,  A47L11/4013 ,  A47L11/403 ,  A47L11/4033

    Abstract: A filter box for a surface maintenance machine incorporating aspects of a fan housing. In one example, a filter box for a sweeping machine is provided with an impeller fan housing beneath a cylindrical filter. Operation of the impeller fan draws air from a debris hopper, through the cylindrical filter, and through an expansion chamber defined by a scroll conduit prior to outlet to atmosphere.

    Abstract translation: 一种用于表面维护机器的过滤箱，其包括风扇壳体的各个方面。 在一个示例中，用于清扫机的过滤箱设置有在圆柱形过滤器下面的叶轮风扇壳体。 叶轮风扇的操作通过圆柱形过滤器从碎屑料斗中抽出空气，并在出口到大气之前通过由涡形管道限定的膨胀室。

    THREADED INSERT AND METHOD OF USING SAME
    83.
    发明申请
    THREADED INSERT AND METHOD OF USING SAME 审中-公开
    螺纹插件及其使用方法

    公开(公告)号：WO2008121995A1

    公开(公告)日：2008-10-09

    申请号：PCT/US2008/058957

    申请日：2008-03-31

    Applicant: TENNANT COMPANY ,  WALLING, Mark, Joseph

    Inventor： WALLING, Mark, Joseph

    IPC: F16L15/00

    CPC classification number: F16B37/125 ,  Y10T403/75

    Abstract: The present invention is directed to a threaded insert having an internal threaded surface and an external threaded surface. The threaded surfaces have threads that are threaded in opposite directions. Thus, if the internal threaded surface is a right handed thread, then the external threaded surface will be a left handed thread. Through the use of the opposite direction threads the insert counteracts torque applied to a threaded fastener as it is inserted or removed. This results in a threaded insert that both resists over tightening of the fastener, and assists in the removal of the fastener from the insert.

    Abstract translation: 本发明涉及一种具有内螺纹表面和外螺纹表面的螺纹刀片。 螺纹表面具有沿相反方向螺纹的螺纹。 因此，如果内螺纹表面是右旋螺纹，则外螺纹表面将是左旋螺纹。 通过使用相反方向的螺纹，当插入或移除时，插入物抵消施加到螺纹紧固件的扭矩。 这导致螺纹插入件在紧固紧固件上都抵抗，并且有助于从插入件移除紧固件。

    HARD AND SOFT FLOOR SURFACE CLEANER
    84.
    发明申请
    HARD AND SOFT FLOOR SURFACE CLEANER 审中-公开
    硬地板和软地板清洁剂

    公开(公告)号：WO2006110459A2

    公开(公告)日：2006-10-19

    申请号：PCT/US2006/012851

    申请日：2006-04-07

    Applicant: TENNANT COMPANY ,  NELSON, David, A. ,  JULIOT, Larry, J. ,  WYDRA, Larry, D. ,  FEYMA, Daniel, J. ,  ALBRECHT, Dan, S.

    Inventor： NELSON, David, A. ,  JULIOT, Larry, J. ,  WYDRA, Larry, D. ,  FEYMA, Daniel, J. ,  ALBRECHT, Dan, S.

    IPC: A47L7/00

    CPC classification number: A47L11/34 ,  A47L11/302 ,  A47L11/40 ,  A47L11/4016 ,  A47L11/4038 ,  A47L11/4044 ,  A47L11/4055 ,  A47L11/4083 ,  A47L11/4088

    Abstract: A floor cleaner (100) configured to perform both hard and soft floor cleaning operations includes a mobile body (106), a motorized cleaning head (108), a cleaning liquid dispenser (110), a vacuum (112), a first vacuum extractor tool (114) and a vacuum squeegee (116) connected to the mobile body. The mobile body is configured to travel over a surface (102). The motorized cleaning head is connected to the mobile body and includes a cleaning tool (128). The cleaning liquid dispenser is configured to apply a cleaning liquid (230) to the surface or the cleaning tool. The first vacuum extractor tool is configured for vacuum communication with the vacuum through a first vacuum path (174).

    Abstract translation: 构造成执行硬地板清洁和软地板清洁操作的地板清洁器（100）包括移动体（106），电动清洁头（108），清洁液体分配器（110），真空（112），第一真空抽吸器 工具（114）和连接到移动体的真空刮板（116）。 移动体构造成在表面（102）上行进。 电动清洁头连接到移动体并且包括清洁工具（128）。 清洁液体分配器构造成将清洁液体（230）施加到表面或清洁工具。 第一真空提取器工具被配置为通过第一真空路径（174）与真空真空连通。

    APPARATUS AND METHOD OF USE FOR CLEANING A HARD FLOOR SURFACE UTILIZING AN AERATED CLEANING LIQUID
    86.
    发明申请
    APPARATUS AND METHOD OF USE FOR CLEANING A HARD FLOOR SURFACE UTILIZING AN AERATED CLEANING LIQUID 审中-公开
    用于清洁采用清洁液体的硬地板表面的装置和方法

    公开(公告)号：WO2003011098A1

    公开(公告)日：2003-02-13

    申请号：PCT/US2002/019367

    申请日：2002-06-17

    Applicant: TENNANT COMPANY

    Inventor： FIELD, Bruce, F. ,  KRUEGER, Earl ,  CHRISTENSEN. Bryan ,  SIEFERT, James, J. ,  BLEHERT, Michael

    IPC: A47L11/03

    CPC classification number: B01J13/0095 ,  A47L11/03 ,  A47L11/30 ,  A47L11/4016 ,  A47L11/4038 ,  A47L11/4083 ,  B01F3/04992

    Abstract: A method of cleaning a hard floor surface with a surface maintenance vehicle including the steps of generating a foam-like aerated cleaning liquid, selectively conveying the foam-like aerated cleaning liquid to the hard floor surface and a scrubbing medium (22) operatively coupled to the surface maintenance vehicle, scrubbing the hard floor surface with said rotation scrubbing medium (22) and said foam-like aerated cleaning liquid so as to loosen soil from the hard floor surface leaving behind a soiled solution of cleaning liquid and soil, and removing at least a portion of the soiled solution from the hard floor surface through a fluid recovery device (32). Additional aspects of the present invention include devices for performing the cleaning method.

    Abstract translation: 一种用表面维护车辆清洁硬质地板表面的方法，包括以下步骤：产生泡沫状充气清洁液体，将泡沫状充气清洁液选择性地输送到硬地板表面;以及洗涤介质（22），操作性地耦合到 表面维护车辆，用所述旋转擦洗介质（22）和所述泡沫状充气清洁液擦洗硬地板表面，以便从硬地板表面松动土壤，留下清洁液和土壤的污染溶液，并且在 通过流体回收装置（32）从硬地板表面的至少一部分污染的溶液。 本发明的另外的方面包括用于执行清洁方法的装置。

    THREADED COUPLING STRUCTURE
    88.
    发明申请
    THREADED COUPLING STRUCTURE 审中-公开
    螺纹连接结构

    公开(公告)号：WO2002093021A1

    公开(公告)日：2002-11-21

    申请号：PCT/US2002/014831

    申请日：2002-05-10

    Applicant: TENNANT COMPANY ,  HANSEN, Karl

    Inventor： HANSEN, Karl

    IPC: F16B5/02

    CPC classification number: F16B5/0291 ,  F16B35/041 ,  Y10T403/56

    Abstract: The present invention is directed to a threaded coupling structure disposed intermediate a non-threaded first member (12) and a second member (14) having a threaded ring (15) wherein the first member and the threaded coupling structure (10) have cooperating mechanical interlocking structures. (11, 13) The unthreaded portion (17) of said first member and the threaded coupling structure mutually interlock and bind each other when a female-type threaded ring, or a threaded cavity, engages the threads of said threaded coupling. The threaded coupling struchlre according to the present invention may comprise one or more individual parts which interlock with a portion of the first member. Threads are formed only on surface portions of the threaded coupling structure which threads cooperate to securely engage the threaded ring, or threaded cavity, of the second member. Corresponding discrete interlocking structure formed in or on the first member and a portion of one or more of the individual parts of the threaded coupling structure are adapted to provide additional binding force between the first structure and the threaded coupling.

    Abstract translation: 本发明涉及一种设置在非螺纹第一构件（12）和具有螺纹环（15）的第二构件（14）之间的螺纹联接结构，其中第一构件和螺纹联接结构（10）具有协作机械 互锁结构。 （11,13）当阴型螺纹环或螺纹腔与所述螺纹联接件的螺纹接合时，所述第一构件的无螺纹部分（17）和螺纹联接结构彼此互锁并彼此结合。 根据本发明的螺纹连接件可以包括与第一构件的一部分互锁的一个或多个单独部件。 螺纹仅形成在螺纹联接结构的表面部分上，螺纹配合以牢固地接合第二构件的螺纹环或螺纹空腔。 形成在第一构件中或其上的对应的离散互锁结构和螺纹联接结构的一个或多个单独部分的一部分适于在第一结构和螺纹联接之间提供附加的结合力。

    TORQUE ASSISTED SURFACE MAINTENANCE MACHINE
    89.
    发明申请
    TORQUE ASSISTED SURFACE MAINTENANCE MACHINE 审中-公开

    公开(公告)号：WO2023081302A1

    公开(公告)日：2023-05-11

    申请号：PCT/US2022/048859

    申请日：2022-11-03

    Applicant: TENNANT COMPANY

    Inventor： PFINGSTEN, Mark ,  VERHASSELT, Andrew R. ,  LOTTS, Matthew

    IPC: A47L11/40

    Abstract: A surface maintenance machine includes a maintenance head assembly comprising one or more surface maintenance tools for performing a surface maintenance operation. The machine also includes wheels and an operator grab handle permitting the operator to apply a force to urge the machine to change orientation. The machine also includes a first and second motor controlled by a motor controller. The motor controller is configured to sense a parameter indicative of motor load on the first and second motor and control the power delivered to the first and second motor to maintain a torque output setting. Maintaining the torque output setting is in light of motor load on the first and second motor and the force applied to the machine by the operator. The control of power delivered to the motors to maintain the torque assists the force applied by the operator to the machine.

    SWEEPER/SCRUBBER SYSTEM CAPABLE OF HANDLING LARGE DEBRIS
    90.
    发明申请
    SWEEPER/SCRUBBER SYSTEM CAPABLE OF HANDLING LARGE DEBRIS 审中-公开

    公开(公告)号：WO2020132482A1

    公开(公告)日：2020-06-25

    申请号：PCT/US2019/067913

    申请日：2019-12-20

    Applicant: TENNANT COMPANY

    Inventor： VERHASSELT, Andrew R.

    IPC: A47L11/20 ,  A47L11/30

    Abstract: A sweeper/scrubber assembly may be used to clean a floor surface without dry sweeping or mopping solid debris from the floor surface before conveying the sweeper/scrubber assembly over the floor surface. In some examples, the sweeper/scrubber assembly includes at least two counter-rotating brushes, a cleaning fluid dispensing system, a vacuum squeegee, and a solid debris collection reservoir. The cleaning fluid dispensing system can dispense cleaning fluid on the floor being cleaning and or one or both brushes. The vacuum squeegee can be positioned against a face of one of the brushes and can apply a vacuum suction force to the face of the brush. The solid debris collection reservoir can be a space not exposed to a vacuum force that collects solid debris thrown by the rotating brushes.

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