Patent ID: 7638889

Claim:
A bag/pack power generation device comprising a power generation module, a generator, and a bag/pack, wherein the power generation module comprises first and second speed-up gear shafts and a primary rack, each speed-up gear shaft comprising a pinion and a gear mounted thereto, the pinion of the first speed-up gear shaft mating the primary rack, the gear of the first speed-up gear shaft mating the pinion of the second speed-up gear shaft, the gear of the second speed-up gear shaft being in operative coupling with the generator, the bag/pack having an interior receiving space adapted to receive a weight therein, the bag/pack having at least one strap comprised of strap segments and a buckle connecting between the strap segments, the buckle comprising an outer frame and a central portion, the outer frame having an inner edge forming a secondary rack, the central portion being coupled to the first and second speed-up gear shafts and the generator and having a circumference surrounded by the outer frame, the secondary rack of the outer frame mating the pinion of the first speed-up gear shaft, the outer frame being connected to the central portion with at least one spring, whereby the device is arranged on the strap and when the bag/pack is subjected natural moving rhythm, the primary rack drives the second speed-up gear shaft to operate the generator for generating electrical power.