Patent 6947819 was granted and assigned to Caterpillar Inc. on September, 2005 by the United States Patent and Trademark Office.
A joint for a work machine having a body and a base is provided. A first member is connected to one of the body and the base and a second member is connected to the other of the body and the base. The second member is engaged with the first member to allow the body to swivel relative to the base. A transmitter is connected to one of the body and the base and is operable to transmit an informational signal. A receiver is connected to the other of the body and the base and is operable to receive the informational signal.