Bucket and rigging assembly for an excavating bucket

Abstract

A bucket and bucket rigging assembly including a central hoist trunnion attached to the bucket, and only one hoist chain coupled to central hoist trunnion. The bucket and bucket rigging assembly also includes a trunnion link attached to the central hoist trunnion, and wherein the one hoist chain is attached to the trunnion link. The rigging assembly includes spaced apart first and second hoist sockets, a hoist chain, a link including a two ends and a central section, a first hoist clevis for pivotally attaching the first hoist socket to one link end and a second hoist clevis for pivotally attaching the second hoist socket to the other link end, and a third hoist clevis for pivotally attaching the hoist chain to the link central section.

1 . A bucket and bucket rigging assembly including a central hoist trunnion attached to the bucket, and one hoist chain coupled to said central hoist trunnion.  
   
   
       2 . A bucket and bucket rigging assembly in accordance with  claim 1  and further including a trunnion link attached to the central hoist trunnion, and wherein the one hoist chain is attached to the trunnion link.  
   
   
       3 . A bucket and bucket rigging assembly in accordance with  claim 1 , said bucket further including a base, a forward end, a rearward end, side walls and a rear wall, and a center of gravity located between said forward end and said rearward end, and whrein said one central hoist trunnion is attached to the base and located between the center of gravity and said rear wall.  
   
   
       4 . A rigging assembly including spaced apart first and second hoist sockets, a hoist chain, a link including a two ends and a central section, means for pivotally attaching the first hoist socket to one link end and means for pivotally attaching the second hoist socket to the other link end, and means for pivotally attaching the hoist chain to the link central section.  
   
   
       5 . A bucket and bucket rigging assembly consisting of a central hoist trunnion attached to the bucket, and one hoist chain coupled to said central hoist trunnion.  
   
   
       6 . A bucket and bucket rigging assembly in accordance with  claim 5 , wherein said bucket further includes a base, a forward end, a rearward end, side walls and a rear wall, and a center of gravity located between said forward end and said rearward end, and whrein said one central hoist trunnion is attached to the base and located between the center of gravity and said rear wall.  
   
   
       7 . A bucket including a base, a forward end, a rearward end, side walls and a rear wall, a center of gravity located between said forward end and said rearward end, and one central hoist trunnion attached to the base and located between the center of gravity and said rear wall.