Patent ID: 6016876
Filing Date: 2000-01-25
Classification: A01B

Abstract:
An extractor, comprising:a shaft having a handle end and a distal end;an elongated foot piece having a first end and a second end, the first end slidely attached to the shaft proximal to the distal end;a bit assembly attached to the distal end of the shaft, the bit assembly having a plurality of pivotally mounted opposed spikes, the bit assembly having an open position and a closed position, the bit assembly moving between the open position and the closed position in response to movement of the foot piece with respect to the shaft;a detent stop connected to one of the shaft and the foot piece; anda detent piece connected to the other of the shaft and the foot piece, the detent piece having a first position and a second position, the detent piece engaged with the detent stop in the first position, thereby holding the bit assembly in the closed position, the detent piece disengaged from the detent stop in the second position, thereby permitting movement of the bit assembly between the open position and the closed position.