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公开(公告)号：US09976295B1
公开(公告)日：2018-05-22
申请号：US15480312
申请日：2017-04-05
摘要： The double-tier drain filter system includes an elongate base having an upper section and a lower section. A drain cover with perforations couples to the upper section, and the lower section couples to a drain pipe. Threads are provided between the lower section and the drain pipe to form a threaded interlock. A recess inside the upper section receives a filter assembly which includes a removable, perforated drain basket and a filter element inside the drain basket. An annular mount flange with threads extends from the bottom of the drain cover to thread into the matching inner threads of the drain basket forming another threaded interlock. The drain cover and the filter assembly serves as a double-tier, two-pass filter ranging from coarse to fine filtering, respectively. Tools are provided to facilitate installation and cleaning.
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公开(公告)号：US20130191982A1
公开(公告)日：2013-08-01
申请号：US13361752
申请日：2012-01-30
IPC分类号： E03C1/26
CPC分类号： E03C1/2306 , E03C1/262 , E03C1/264
摘要： The drain strainer and filter is removably placed within a sink, tub, or other drain to prevent solid particles from passing through the drain and building up to block the drain at some inaccessible location. The device includes a perforated basket having a removable perforated lid. The basket and lid enclose a removable and disposable filter element therein. The drain strainer may have a retractable stopper extending therebelow, the stopper being actuated by a lift rod that extends through the basket, filter, and lid. The handle of the lift rod may be removed to allow the lid and the filter to be removed from the basket. Alternatively, the drain strainer does not include the stopper. The drain strainer includes a folding handle. The lid includes a recess to allow the handle to fold flush with the top of the lid to avoid interference with articles in the sink during use.
摘要翻译： 排水过滤器和过滤器可移除地放置在水槽，水槽或其他排水管内，以防止固体颗粒通过排水沟并建立以阻止某些不可接近的位置的排水沟。 该装置包括具有可移除的多孔盖的多孔篮。 篮子和盖子在其中包围可移动和一次性过滤元件。 排水过滤器可以具有在其下方延伸的可缩回止动件，止动件由延伸穿过篮子，过滤器和盖子的提升杆致动。 提升杆的手柄可以被移除，以允许盖子和过滤器从篮子移除。 或者，排水过滤器不包括止动件。 排水过滤器包括折叠手柄。 盖子包括一个凹槽，以允许手柄与盖子的顶部平齐地折叠，以避免在使用过程中干扰在水槽中的物品。
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公开(公告)号：US09021621B2
公开(公告)日：2015-05-05
申请号：US13361752
申请日：2012-01-30
CPC分类号： E03C1/2306 , E03C1/262 , E03C1/264
摘要： The drain strainer and filter is removably placed within a sink, tub, or other drain to prevent solid particles from passing through the drain and building up to block the drain at some inaccessible location. The device includes a perforated basket having a removable perforated lid. The basket and lid enclose a removable and disposable filter element therein. The drain strainer may have a retractable stopper extending therebelow, the stopper being actuated by a lift rod that extends through the basket, filter, and lid. The handle of the lift rod may be removed to allow the lid and the filter to be removed from the basket. Alternatively, the drain strainer does not include the stopper. The drain strainer includes a folding handle. The lid includes a recess to allow the handle to fold flush with the top of the lid to avoid interference with articles in the sink during use.
摘要翻译： 排水过滤器和过滤器可移除地放置在水槽，水槽或其他排水管内，以防止固体颗粒通过排水沟并建立以阻止某些不可接近的位置的排水沟。 该装置包括具有可移除的多孔盖的多孔篮。 篮子和盖子在其中包围可移动和一次性过滤元件。 排水过滤器可以具有在其下方延伸的可缩回止动件，止动件由延伸穿过篮子，过滤器和盖子的提升杆致动。 提升杆的手柄可以被移除，以允许盖子和过滤器从篮子移除。 或者，排水过滤器不包括止动件。 排水过滤器包括折叠手柄。 盖子包括一个凹槽，以允许手柄与盖子的顶部平齐地折叠，以避免在使用过程中干扰在水槽中的物品。
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