Patent ID: 8615906
Filing Date: 2013-12-31
Classification: E02F,E21B

Abstract:
1. A drilling bucket having a center portion and an outer portion, said drilling bucket comprising: a main body having a first cavity and a second cavity, wherein the first cavity is adapted to receive spoils; a floor pivotally combined with the main body portion, said floor having an open position and a closed position; and a release assembly adapted to selectively allow the floor to move between its open position and its closed position, wherein a portion of the release assembly is located in the second cavity to help prevent it from being damaged by spoils during drilling operation; wherein the release assembly comprises a plunger, a cam shaft, a connecting member, and a latching mechanism; wherein the plunger is located near the center of the bucket, the connecting member is located near the outer portion of the bucket, and the cam shaft operatively combines the plunger and the connecting member to translate linear motion of the plunger to rotational motion of the cam shaft to linear motion of the connecting member.