Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sheng Zhang0
Date of Patent
September 19, 2017
0Patent Application Number
147926400
Date Filed
July 7, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A push cart, including: a frame, a rear wheel assembly, a front wheel assembly, a connection rod linkage. The frame includes an upper frame and a lower frame, and the upper frame is disposed on the lower frame. The rear wheel assembly is movably disposed on the lower frame or the upper frame. The front wheel assembly is disposed on the lower frame. The frame is connected to the rear wheel assembly via the connection rod linkage. The rotation of the upper frame or the lower frame drives the connection rod linkage to flatten the rear wheel assembly with the upper frame or the lower frame, or to unfold the rear wheel assembly.
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