Patent ID: 6070345
Filing Date: 2000-06-06
Classification: E02F,Y10S

Abstract:
A bucket tool for a power shovel comprising: a bucket having a bottom plate provided at a lower part thereof; an edge member secured in a lateral direction to the bottom plate; tooth-mounting fittings secured to the edge member in a lateral direction with intervals provided between adjacent tooth-mounting fittings; excavation teeth which are detachably mounted on the tooth-mounting fittings and protrude forwardly beyond the edge member; a ground-leveling plate having a lateral width equal to the lateral width of the lower part of the bucket; coupling fittings secured to an upper surface of the ground-leveling plate with an interval provided between adjacent coupling fittings nearly equal to the interval provided between adjacent tooth-mounting fittings and detachably mounted on the ends of the excavation teeth; excavation tooth holes provided through the ends of the excavation teeth; coupling fitting elongated holes provided in the coupling fittings and being elongated in the lateral direction of the bucket; pins inserted in the excavation tooth holes and the coupling fitting elongated holes to couple the excavation teeth and the coupling fittings together; and stop rings provided between the excavation teeth and the coupling fittings and mounted to surround the pins.