Patent ID: 7188887

Claim:
A roll tarp system, comprising: a tarp attached to a side of a container; a roller attached to said tarp opposite of said container; a rear bracket attached to a rear end of said container; a rear inner arm pivotally attached to said rear bracket; a rear outer arm pivotally attached to said rear inner arm; a front bracket attached to a front end of said container; a front inner arm pivotally attached to said front bracket; a front outer arm pivotally attached to said front inner arm; an actuator attached to said front outer arm and said roller for rotating said roller; and a front bias member attached between said front inner arm and said front outer arm; wherein said front bias member is flexible to allow said front inner arm to laterally pivot with respect to said front outer arm, and wherein said front bias member applies a force between said front inner arm and said front outer arm attempting to retain said front inner arm and said front outer arm in a concentrically aligned position; wherein said front bias member is comprised of a flexible tube surrounding a compression spring.