Patent ID: 6558090
Filing Date: 2003-05-06
Classification: B27C,H01M,Y02E,Y10T

Abstract:
A cordless router motor unit comprising:a releasably attachable battery; a housing having a battery mounting portion, the battery mounting portion allowing slidable attachment and detachment of the battery relative to the housing; a locking mechanism for releasably retaining the battery in a locked position relative to the housing: a DC motor positioned inside the housing and having a rotational axis, the DC motor powered by the battery; an output shaft powered by and extending from the DC motor having on the end thereof a tool clamping device for holding a cutting tool; wherein the battery slides into the locked position relative to the housing in a direction substantially normal to the rotational axis; and wherein when the battery is in the locked position relative to the housing, the center of gravity of the cordless router motor unit is substantially colinear with the rotational axis of the output shaft.