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1. 发明授权

US11268267B1 Sink strainer assembly 有权
公开(公告)号：US11268267B1
公开(公告)日：2022-03-08
申请号：US16686895
申请日：2019-11-18
申请人： PERMADRAIN, LLC
发明人： Russell W Robillard , Fred W Robillard
IPC分类号： E03C1/264
摘要： A sink strainer assembly for attachment to a clamping ring of a sink waste valve assembly comprising a strainer sized to fit within and be attachable to the clamping ring by a locking bar attachable to the clamping ring and at least one or more screws affixing the strainer to the locking bar, the improvement to which comprises (a) the strainer comprising a cylindrical body having top and bottom surfaces provided with passageways extending from the top surface and extending through the bottom surface to permit fluids to pass through the strainer, a channel cut in the bottom surface and having a post cavity of greater depth than the channel, a screw passageway extending from the bottom of the post cavity through the top surface of the strainer body; (b) the locking bar comprising an elongated slat member having a width greater than the depth of the channel and a length sized to fit in the channel, the slat having a post member sized to fit into the post cavity, the post member having an axial passageway formed by a threaded interior wall and positioned on the slat member to be aligned to the screw passageway when the locking bar is positioned in the channel, the slat having its opposing end sections forming a shoulder extendable beneath the clamping ring lower rim when the strainer is positioned in the clamping ring; and (c) a screw sized and shaped to fit into the screw passageway and be operatively engaged with the threaded interior wall of the post member.

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