Patent ID: 7162802
Filing Date: 2007-01-16
Classification: A47G,B25G,Y10S,Y10T

Abstract:
1. A hand tool comprising: a handle having a first ramp; and a removable tool part having a second ramp; wherein one of the handle and tool part is provided with a protruding section and a first magnet, wherein the other of the handle and tool part is provided with a bore adapted to receive the protruding section and with a second magnet wherein the protruding section and the bore have a circular cross section and wherein the shapes of the first ramp and the second ramp are adapted to allow the first magnets to contact, or substantially contact with an air gap less than or equal to approximately 1 mm, the second magnet, when the protruding section is received into the bore and the tool part is in a first annular position relative to the handle, and to not contact or to not substantially contact when the tool part is in a second annular position relative to the handle; wherein the first and second annular positions are measured about a center axis of said protruding section and said bore, the shapes of the first and second ramps do not match with each other in the second annular position.