Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven K. Holmes0
John Lewis McGowan0
Date of Patent
July 31, 2018
0Patent Application Number
148313100
Date Filed
August 20, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus has a first truck that includes a frame. A roller is rotatably attached to the frame and a lever arm is pivotably connected to the frame. The lever arm includes a load point, a magnet, and a non-ferrous conductive material. A biasing element biases the lever arm into a first angular position. A load applied to the load point drives the lever arm against a biasing force of the biasing element, and towards a second angular position.
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