Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 8, 2019
Patent Application Number
15812830
Date Filed
November 14, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A sink stopper may comprise an upper cap, a shaft, a pulling handle and a base. The base is configured to be installed in an upper portion of a pipe of a sink drain. Moreover, the base is adapted to cooperate with different sizes of gaskets to fit different sizes of pipes. The shaft has a first connecting section and a second connecting section to fit different sizes of connecting holes of a sink drain. Furthermore, the shaft has a tapered engaging section and a tightening section having the narrower diameter from top to bottom, so that, without external force, a C-shaped ring can firmly clamp on the engaging section or the tightening section, thereby preventing the upper cap from sliding.
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