Caterpillar Inc.

Tobias James Toennies

Thomas Marshall Congdon

David Bruno Parzynski, Jr

Kurtis M Best

A blade assembly includes an adapter board including a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores. A plurality of bushings are disposed in a corresponding one of the plurality of shank receiving bores.

Adapter board with splined bushing

An adapter for use in a power system having a first powertrain joined to a second powertrain by a coupling. The adapter may have a generally cylindrical body having a central bore formed therein that is configured to receive a shaft of the first powertrain, and splines formed at an end of the central bore. The adapter may also have a connection keyway formed within an outer annular surface of the generally cylindrical body and configured to receive a key that engages the coupling, and a balancing keyway formed within the outer annular surface of the generally cylindrical body and configured to remain empty to balance the coupling.

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Metamora, IL, United States of America

Tobias James Toennies