This Falcon patent, from 1999, covers a, rather derivative, variation on SunTour's Quick Cage - a split pulley cage that allows the chain to be quickly and easily un-shipped.

This design was produced as the Falcon Novel (MR40A).

• Publisher: Taiwan Intellectual Property Office
• Inventor: De-Huei Jang
• Country: Taiwan
• Date: Priority date March 1999
• Derailleur brands: Falcon
• Derailleurs: Falcon Novel (MR40?)