Patent ID: 7290474
Filing Date: 2007-11-06
Classification: B23D,B27B,B27G,F16P,Y10S,Y10T

Abstract:
1. A system for stopping a spinning saw blade, comprising: a pin assembly disposed adjacent to a saw blade assembly for stopping the spinning saw blade, the pin assembly including a first end, the first end including a pointed tip for piercing the saw blade; a receiving block disposed on a side of the saw blade opposing the pin assembly for receiving the tip of the pin assembly; a driving assembly coupled to the pin assembly for driving the pin assembly into the spinning saw blade and into the receiving block; and a sensing assembly coupled to at least one of the saw blade assembly and the driving assembly for sensing encroachment of a user's hand in a pre-defined zone, wherein upon sensing a user's hand the sensing assembly signals the driving assembly to stop the spinning saw blade by driving the pin assembly through the saw blade and into the receiving block.