Patent ID: 11898588
Assignee: CATERPILLAR INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B  E | IPC B  E  F

Claim 20:
21. A retention bolt assembly comprising:
a retention bolt including:
an end portion; and
a shaft portion extending from the end portion of the retention bolt,
wherein the shaft portion of the retention bolt has a width that is less than a width of the end portion of the retention bolt,
wherein the shaft portion of the retention bolt is configured to be received within a cavity of a tip and is shaped to be prevented from rotating relative to the cavity of the tip, and
wherein the shaft portion of the retention bolt terminates at an externally threaded end; and

a heat transfer element contacting the externally threaded end of the retention bolt,
wherein the heat transfer element is configured to at least one of:
heat the retention bolt to cause the retention bolt to lengthen, or
cool the retention bolt to cause the retention bolt to contract.