US Patent 10060514 Continuously variable chain-belt transmission and method of assembling same

A continuously variable chain-belt transmission (chain-belt CVT) housed in a transmission casing formed by a transmission case and a side cover, has a pair of conical disk pairs, each pair of which is rotatably supported by disk supporting portions provided in the transmission case and the side cover; a chain wound around the pair of conical disk pairs; a chain guide attached to the chain to restrain movement of the chain and having an annular guide portion that encloses an entire circumference, in cross section, of the chain; and a chain guide supporting portion supporting the chain guide between the transmission case and the side cover. The chain guide supporting portion has a fixing side chain guide supporting portion fixed to the transmission case and a connecting side chain guide supporting portion connecting to the fixing side chain guide supporting portion.