Patent ID: 7641234

Claim:
A vehicle rollover protection assembly comprising: (a) vehicle chassis having left and right main rails and a cross rail spanning between the left and right main rails; (b) left and right upwardly opening quills; (c) left quill attaching means rigidly and abuttingly interconnecting the cross rail and the left upwardly opening quill in proximity to the left main rail; (d) right quill attaching means rigidly and abuttingly interconnecting the cross rail and the right upwardly opening quill in proximity to the right main rail; (e) a roll bar having downwardly extending left and right legs, lower ends of the left and right legs being respectively closely fitted for extension into the left and right upwardly opening quills; (f) roll bar attaching means removably mounting the left and right legs' lower ends respectively within the left and right upwardly opening quills; the left and right quill attaching means further respectively rigidly interconnecting the left and right upwardly opening quills and the cross rail; and (g) the cross rail having an inner surface and said left and right upwardly opening quills having C channel configurations opening forwardly or rearwardly and being closed by said cross rail inner surface respectively with said left and right quills welded to the cross rail inner surface.