Patent ID: 7197983

Claim:
A mechano-electrical fuse for a hand grenade ( 76 ), comprising a spring element for the storage of mechanical energy, and a drive device connected to the spring element for driving an electrical generator ( 28 ) through mechanical energy which is stored in the spring element, wherein the generator ( 28 ) is connected together with a detonator ( 46 ) for the activation thereof, with which a booster charge ( 48 ) is associated, wherein a barrier ( 40 ) being provided between the detonator ( 46 ) and the booster charge ( 48 ), wherein the spring element comprises a tensioning spring ( 24 ) operatively associated with a handle lever ( 18 ) of the hand grenade ( 76 ), and the drive device includes a cable line ( 68 ) which is fixed with one end thereof ( 70 ) to a shaft ( 30 ) of the generator ( 28 ) and is wound with a number of turns ( 72 ) around the generator shaft ( 30 ) and is mounted with a second end ( 74 ) thereof remote therefrom to the lever ( 18 ), and fastened to the generator shaft ( 30 ) is a flywheel mass ( 32 ) which is releasably fastened in a housing ( 16 ) of the fuse by a shearing element ( 92 ).