Patent ID: 11890655
Assignee: RIDGE TOOL COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  E  F | IPC B  F  G

Claim 0:
1. A method for determining location of a conduit, pipe or other construct, wherein the method comprises:
providing a system including (i) a machine having a drum, an input shaft for receiving rotary power, and a cable extending from the machine, the cable including an inner rotatable core and an outer sheath extending about the inner core, wherein upon the input shaft receiving rotary power, the inner core rotates independently from the outer sheath, and (ii) an electrical signal transmitter in electrical communication with the input shaft of the machine, wherein the input shaft of the machine is in electrical communication with the cable;
actuating the electrical transmitter to thereby energize the inner core; and
sensing an electromagnetic field emanating from the energized inner core.