Patent ID: 6732613
Filing Date: 2004-05-11
Classification: B25B

Abstract:
A screwdriver with changeable operation modes, comprising:a handle; a slide way being formed in the handle and passing through a front end of the handle, an axis of the slide way being parallel to an axis of the handle; a stem, a rear end of the stem being fitted in the slide way and slidable along the slide way without detaching therefrom, a front end of the stem extending out from the handle; a clutch mechanism connected between the stem and the handle, in normal state, the clutch mechanism being in a non-transmission state, whereby the handle cannot drive the stem and the stem can freely rotate within the handle, when the stem is moved into the handle, the clutch mechanism being in a transmission state, whereby by means of turning the handle, the stem is driven; and a rotary member connected with a section of the stem protruding from the handle for a user's hand to rotate; the rotary member is a pin connected with the stem; whereby when the clutch mechanism is in the non-transmission state, the user can turn the rotary member to rotate the stem and when the clutch mechanism is in the transmission state, the user can turn the handle to drive and rotate the stem.