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Belt drive openers use a rubber belt in place of a chain. Screw drive openers have a long screw inside the track. The trolley connects to this screw. Direct drive openers have the motor installed inside the trolley and use a gear wheel to guide the trolley along a fixed chain. Jackshaft openers mount on the wall at either end of the torsion bar.
Craftsman — re-branded Chamberlain models sold at Sears. Those products have a "139" model prefix to denote that the Chamberlain Group made them for Sears. Clicker — a line of universal garage door remotes. Chamberlain, LiftMaster, and Craftsman have interchangeable parts, primarily the gear and circuit boards.
Drive shafts tend to be tougher and more reliable than chain drive, but the bevel gears have far more friction than a chain. For this reason virtually all high-performance motorcycles use chain drive, with shaft-driven arrangements generally used for non-sporting machines. Toothed-belt drives are used for some (non-sporting) models.
A rolling code (or sometimes called a hopping code) is used in keyless entry systems to prevent a simple form of replay attack, where an eavesdropper records the transmission and replays it at a later time to cause the receiver to 'unlock'.
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SMU got on the board with its third possession, finishing off a 75-yard drive with a 24-yard scoring run by Jennings. However, Clemson answered right back with a 43-yard TD pass from Klubnik to Wesco.
Chamberlain sued Skylink in the United States District Court for the Northern District of Illinois in two cases. In the first case, Chamberlain I, Chamberlain alleged that Skylink's actions violated the anti-trafficking provisions of the DMCA and moved for summary judgment. The court denied Chamberlain's motion for summary judgment.
Transmission chain of chain of transmission may refer to: Airchain, the path or route an audio or video signal takes on its way through a radio station or television station; Chain drive, a way of transmitting mechanical power from one place to another; Chain of infection, a general chain of events that applies to infections