Hub-and-spoke conspiracy least eight) conspiracies. That is, the Government failed to demonstrate the rim of the wheel, that connected the spokes to one another. "Without the rim, an alleged hub-and-spoke cartel is merely a set of vertical relationships (or restraints) that result in parallel conduct and does not establish" a hub-and-spoke conspiracy. Since "Interstate Circuit", the Supreme Court decided four hub-and-spoke conspiracy cases and one case rejecting a parallel-action conspiracy claim. "United States v. Masonite Corp.", was a patent–antitrust price-fixing case, in which the patent holder negotiated licenses with price-fixing clauses while resolving infringement disputes with some of the licensees. The Supreme
Idler-wheel sees this on true tracked vehicles, however, as the second drive wheel is redundant. Idler-wheel An idler-wheel is wheel which serves only to transmit rotation from one shaft to another, in applications where it is undesirable to connect them directly. For example, connecting a motor to the platter of a phonograph, or the crankshaft-to-camshaft gear train of an automobile. Because it does no work itself, it is called an "idler". An idler-wheel may be used as part of a friction drive mechanism. For example, to connect a metal motor shaft to a metal platter without gear noise, early phonographs used