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1. 发明授权

US11224998B2 Thread forming apparatus and method for rotationally molded product 有权
公开(公告)号：US11224998B2
公开(公告)日：2022-01-18
申请号：US15401863
申请日：2017-01-09
申请人： Tennant Company
发明人： Steven P. Westveld
IPC分类号： B29C41/40 , B29C41/04 , B29C41/42 , B29D1/00 , B29L1/00 , B29C41/38
摘要： A thread forming apparatus for forming threads in a rotational molding apparatus comprising a molding pin having a generally elongate shape, at least a portion of the molding pin having a threaded portion, the molding pin adapted to rotate along with the mold and receive the plastic material on at least the threaded portion, the molding pin being releasable relative to the mold such that once the plastic material coats the threaded portion of the molding pin and forms a threaded portion on the molded product, the molding pin is completely removed from the mold.

2. 发明申请

US20210346903A1 FLUID DISPENSING SYSTEM AND METHOD 有权
公开(公告)号：US20210346903A1
公开(公告)日：2021-11-11
申请号：US17189526
申请日：2021-03-02
申请人： Tennant Company
发明人： Daniel Messer , Eric Sam Nortrup , Russell John Pylkki , Brett Carlson
IPC分类号： B05B13/00 , B08B3/08 , B05B7/24 , B05B7/00 , A61L2/26 , A61L2/22
摘要： A system and method for dispensing a treatment fluid is provided. The system includes a surface maintenance machine, a fluid reservoir, an air blower, and one or more fluid dispensing systems. The one or more fluid dispensing systems each include one or more nozzles in fluid communication with the air blower. The air blower generates an air pressure and dispenses air through the one or more nozzles while the treatment fluid is dispensed through the one or nozzles. The dispensing of air and treatment fluid dispenses the treatment fluid in a mist, fog, or spray to a surface. A method for dispensing a treatment fluid is also provided. The method includes generating an electrically charged treatment fluid and dispensing the electrically charged treatment fluid from the one or more nozzles to a surface.

3. 发明授权

US10595697B2 Surface maintenance machine with skirting to allow particulate pickup 有权
公开(公告)号：US10595697B2
公开(公告)日：2020-03-24
申请号：US15421877
申请日：2017-02-01
申请人： Tennant Company
发明人： Adam J. C. Runnoe , Laurence A. Jensen , Erik M. Weatherly , Derek R. Younggren
IPC分类号： A47L11/24 , A47L11/40 , A47L11/30
摘要： Embodiments include a surface maintenance machine, comprising a maintenance tool chamber comprising a first side, a second side, a third side and a fourth side. A rotary broom is housed in the maintenance tool chamber and substantially enclosed by the first, second, third and fourth sides thereof. The rotary broom sweeps particulate from the surface. A vacuum system generates vacuum for drawing particulate swept by the rotary broom. The vacuum system is positioned proximal to the first side. A skirt assembly extends substantially around the second, third and fourth sides of the maintenance tool chamber. The skirt assembly has a vacuum passage defined therein and in fluid communication with the vacuum system to direct air flow into the vacuum passage, thereby drawing particulate into the vacuum passage and preventing particulate accumulation at portions of the second, third and fourth sides that are distal to the vacuum system.

4. 发明授权

US10188251B2 Surface maintenance vehicle with an integrated water trap for trapping residual waste 有权
公开(公告)号：US10188251B2
公开(公告)日：2019-01-29
申请号：US14885152
申请日：2015-10-16
申请人： Tennant Company
发明人： Eric S. Nortrup , Nicholas E. Boers , Brent Caudill
IPC分类号： A47L11/30 , A47L11/40
摘要： Embodiments include a waste recovery system for a floor surface maintenance machine. The waste recovery system comprises a squeegee assembly having a squeegee frame, a squeegee retainer extending below the squeegee frame and a reservoir integrally defined in the squeegee retainer. The reservoir can have an inlet passage proximal to the floor surface, an outlet passage fluidly coupled to the fluid suction path and leading to the waste recovery tank, and a fluid trap portion positioned between the inlet and outlet passages. The fluid trap portion can retain backflow waste in the fluid suction path. The reservoir is positioned at a clearance distance from the floor surface in a direction normal to the floor surface such that the reservoir forms the lowest portion of the waste recovery system in the direction normal to the floor surface.

5. 发明授权

US10092152B2 Sweeper with a skirt assembly 有权
公开(公告)号：US10092152B2
公开(公告)日：2018-10-09
申请号：US14680723
申请日：2015-04-07
申请人： Tennant Company
发明人： Brett A. Scott , Michael S. Wilmo
IPC分类号： A47L11/24 , A47L11/40
摘要： Embodiments include a floor surface maintenance machine, comprising a cleaning tool chamber comprising a first side, a second side, a third side and a fourth side. A rotary broom is housed in the cleaning tool chamber and substantially enclosed by the first, second, third and fourth sides thereof. The rotary broom sweeps particulate from the surface. A vacuum system generates vacuum for drawing particulate swept by the rotary broom. The vacuum system is positioned proximal to the first side. A skirt assembly extends substantially around the second, third and fourth sides of the cleaning tool chamber. The skirt assembly has a vacuum passage defined therein and in fluid communication with the vacuum system to direct air flow into the vacuum passage, thereby drawing particulate into the vacuum passage and preventing particulate accumulation at portions of the second, third and fourth sides that are distal to the vacuum system.

6. 外观设计

USD817569S1 Interchangeable scrub brush or scrub pad for a floor maintenance vehicle 有权
公开(公告)号：USD817569S1
公开(公告)日：2018-05-08
申请号：US29521388
申请日：2015-03-23
申请人： Tennant Company
设计人： Leo J. Baker , Jeremy C. Stoddard , Steven J. Leibrandt , Nathan Scott Meyer , Justin M. Clark
摘要： The design is the visual features of the CLEANING TOOL FOR A FLOOR CLEANING VEHICLE shown in solid lines in the drawings, whether those features are of shape, configuration, ornament, or pattern, or are a combination of any of these features.Drawings of the design are included.FIG. 1 is an upper perspective view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 2 is a front elevational view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 3 is a rear elevational view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 4 is a left-side elevational view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 5 is a right-side elevational view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 6 is a top plan view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 7 is a bottom plan view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE;FIG. 8 is a sectional view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE taken along line 8-8 in Fig. 6; andFIG. 9 is a sectional view of a CLEANING TOOL FOR A FLOOR CLEANING VEHICLE taken along line 9-9 in Fig. 6.

7. 发明授权

US09568911B2 Dynamic maintenance scheduling system for surface cleaning machines 有权
标题翻译：表面清洗机的动态维护调度系统
公开(公告)号：US09568911B2
公开(公告)日：2017-02-14
申请号：US14090859
申请日：2013-11-26
申请人： Tennant Company
发明人： Paul L. Groschen , Robert J. Erko
IPC分类号： G05B11/01 , G05B23/02 , G06Q10/00 , G06Q10/06
CPC分类号： G05B23/0283 , G05B23/0235 , G06Q10/06312 , G06Q10/20
摘要： An automatic and dynamic maintenance scheduling system for surface cleaning machines. Based on the receipt or lack of receipt of machine usage data from the machine, the system will adjust or maintain scheduled service call dates.
摘要翻译：一种用于表面清洁机的自动和动态维护调度系统。根据从机器接收或者不接收机器使用数据，系统将调整或维护预定的服务通话日期。

8. 发明授权

US09163320B2 Electrolytic cell having a transition duct outlet 有权
标题翻译：电解槽具有过渡管出口
公开(公告)号：US09163320B2
公开(公告)日：2015-10-20
申请号：US13836251
申请日：2013-03-15
申请人： Tennant Company
发明人： Bruce F. Field , Charles W. O'Neil
IPC分类号： C25B9/00 , C25B15/08
CPC分类号： C25B15/08 , C25B9/00
摘要： An electrolytic cell is provided. The cell includes a housing having a liquid inlet and a liquid outlet outlet, an anode and a cathode positioned within the housing and defining a reaction chamber therebetween, and a liquid flow path, from the liquid inlet to the liquid outlet, which passes through the reaction chamber. A transition duct is positioned at the liquid outlet and has a duct inlet, a duct outlet and a transition section along which internal side walls of the transition section converge along the liquid flow path to define a smooth transition from a first cross-sectional area to a second cross-sectional area of the transition duct. The first cross-sectional area is at least two times greater than the second cross sectional area.
摘要翻译：提供电解池。电池包括具有液体入口和液体出口出口的壳体，位于壳体内并且在其间限定反应室的阳极和阴极以及从液体入口到液体出口的液体流动通道，其通过反应室。过渡管道定位在液体出口处，并且具有管道入口，管道出口和过渡区段，过渡区域的内侧壁沿着该过渡区段沿着液体流动路径会聚，以限定从第一横截面积到过渡管道的第二横截面积。第一横截面面积比第二横截面面积至少大两倍。

9. 外观设计

USD733916S1 Liquid duct 有权
标题翻译：液体管道
公开(公告)号：USD733916S1
公开(公告)日：2015-07-07
申请号：US29449946
申请日：2013-03-15
申请人： Tennant Company
设计人： Bruce F. Field , Charles W. O'Neil

10. 发明授权

US09049975B2 Surface maintenance vehicle with quick release squeegee assembly 有权
标题翻译：表面维护车辆配有快速拆卸刮板组件
公开(公告)号：US09049975B2
公开(公告)日：2015-06-09
申请号：US13767859
申请日：2013-02-14
申请人： Tennant Company
发明人： Kevin L. Shinler
IPC分类号： A47L11/30 , A47L11/28 , A47L11/40
CPC分类号： A47L11/28 , A47L11/4038 , A47L11/4044 , Y10T29/49826
摘要： A surface maintenance vehicle with quick release squeegee assembly and a method of connecting a squeegee assembly to the brush deck of a floor surface maintenance vehicle. A single release latch may be used to connect and disconnect the squeegee assembly and the brush deck. When engaged, corresponding locating structures on the brush deck and a frame of the squeegee assembly align the brush deck and the frame and provide points where the relative movement between the brush deck and frame are restricted.
摘要翻译：具有快速释放刮板组件的表面维护车辆和将刮板组件连接到地板表面维护车辆的刷板上的方法。可以使用单个释放闩锁来连接和断开刮板组件和刷板。当接合时，刷甲板上的相应定位结构和刮板组件的框架将刷板和框架对准，并提供限制刷板和框架之间的相对运动的点。

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