Patent ID: 6595097
Filing Date: 2003-07-22
Classification: B23D,B27G,Y10T

Abstract:
A band saw shielding device adapted for to be mounted on an elevation guiding set of a band sawing machine, the band sawing machine having a wheel on which a band saw turns and a stop hole below the wheel through which the shielding device can be raised or lowered by the elevation guiding set, the shielding device comprising:a main housing, adapted to substantially surround all sides of the band saw, having a front plate with a position confining portion thereon, a band replacing slot for receiving the band saw, a hollow space through which the band saw can move and a fixation portion for attachment to the elevation guiding set; and a slide plate engaged in the position confining portion of the main housing which is slidable relative to the main housing, the slide plate having a stop edge on a top end thereof; wherein when the main housing is lowered through the stop hole the stop edge can engage an edge of the stop hole and initiate sliding of the slide plate in the position confining portion until an opening into the hollow space above the front plate is closed by the slide plate; and when the main housing is raised through the stop hole the front plate will engage the stop edge of the slide plate until the opening above the front plate is opened to permit the wheel to enter the hollow space.