US Patent 11571937 Apparatus and method for an improved trailer hitch
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US Patent 11571937 Apparatus and method for an improved trailer hitch
Article
An improved trailer hitch is presented. The tractor trailer has a main trailer frame, the main trailer for hauling cargo. To help couple a trailer cab to the trailer frame a swivel box having a spring-loaded locking pin and a permanent hinge pin is coupled to a tongue that is used to couple the trailer cab and the trailer frame. The swivel box swivels or swings the tongue to a position to accommodate a misaligned trailer cab easing the coupling process.
Infobox
Is a
Patent Jurisdiction
Patent Number
115719370
Date of Patent
February 7, 2023
0Patent Application Number
160583870
Date Filed
August 8, 2018
0Patent Citations
Patent Primary Examiner
CPC Code
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