A generator and lighting assembly is provided for use on a mechanism, e.g. a power driven tool, having a shaft that is rotated during use. The assembly includes a rotor assembly 122 including a rotor shaft 102 affixed to the mechanism shaft, and a permanent magnet 132 supported on the rotor shaft for...http://www.google.de/patents/US5982059?utm_source=gb-gplus-sharePatent US5982059 - Electric generator and lighting assembly
