Patent ID: 7309840

Claim:
An emergency stopping safety device of a paper shredder comprising: an emergency switch, configured on a lid of the paper shredder, having a double-pole single-throw configuration, with one normally-closed contact electrically connecting a paper shredder drive to a first power conductor of an electrical plug, and one normally-open contact connected to said first power conductor of said electrical plug; a warning light, configured on a lid of the paper shredder near said emergency switch, electrically connected between a second power conductor of said electrical plug and said normally-open contact of said emergency switch; and an emergency electrical circuit with said warning light and said normally-open contact being connected in parallel to said paper shredder drive and said normally closed contact of said emergency switch; wherein said emergency switch temporarily disables the paper shredder by disconnecting a power conductor between the paper shredder drive and an electrical plug when pressed in emergencies, and said warning light provides a warning signal when the paper shredder is disabled.