Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Todd Carroll0
Date of Patent
May 14, 2024
0Patent Application Number
171779520
Date Filed
February 17, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A motorized lifting system for use on a semi-trailer. The lifting system may comprise a lifting unit capable of mounting to a jack on the semi-trailer, allowing the lifting unit to raise and lower the dolly legs of the jack. The lifting unit may comprise a motor and a series of sprockets and chains connecting the motor to a drive shaft that mounts to a rod of the jack, such that turning the rod raises or lowers the dolly legs.
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