Patent ID: 11959336
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 30:
31. A drilling system to drill a hole in the ground, the drilling system comprising:
a first member;
a second member;
a retention system comprising a connection to connect the first member and the second member in a first locked position and a second locked position, wherein the retention system retains the first member and the second member from substantially moving relative to one another along a longitudinal axis of the drilling system and in a first rotational direction of the drilling system, wherein the first member and the second member can move relative to one another in a second rotational direction of the drilling system to disengage from the first locked position; and
a retractable wing, wherein the retractable wing is configured to be retracted when the first member and the second member are in the first locked position and to be expanded when the first member and the second member are in the second locked position.