Canterbury also apologised to his victims.,Gucci Monogram
David Allen Canterbury told Judge Kenneth Walker that he is already seeking mental health treatment.
Canterbury has been banned from the toy store.
Officers eventually wrestled him to the ground.
Portland police say Canterbury had a Star Wars light saber in each hand as he swung at three customers last December 14 at a Toys R Us store. He carried the light sabers outside the store and swung at police.
A US judge is using his force to order a 45-day jail sentence and mental health evaluation for a would-be Jedi who attacked toy store customers with light sabers.
Weather: Sydney 24°C - 28°C . Chance of a shower.
The Oregonian newspaper reports that the 33-year-old Canterbury pleaded no contest today to assault and resisting arrest.