Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Haiming Tsai0
Date of Patent
June 4, 2013
Patent Application Number
13034724
Date Filed
February 25, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a handcart composed of a main frame, four wheels properly assembled with a frame rod of the main frame, a grip, two positioning sleeves combined movably with the grip, and two joint assemblies installed between the main frame and the grip for changeably connecting the main frame with the grip. The grip together with the positioning sleeves can be aligned flat or become 90° relative to the main frame by means of the joint assemblies. Then the handcart can be transformed into a two-wheel handcart or a four-wheel one by handling the grip through movement of the pivotal bases of the joint assemblies.
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