Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 7, 2018
Patent Application Number
15266818
Date Filed
September 15, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A multi-function trainer is provided with a spring assembly and two handle assemblies respectively arranged at a left side and a right side of the spring assembly. The spring assembly includes a spring, and each handle assembly comprises a threaded part and a fitting part. The threaded part includes a shell, and a room is within the shell. The shell includes thread and the thread includes one or more cuttings. The thread can be screwed into one end of the spring. The fitting part is placed into the threaded part.
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