B - Operations – Transporting – 63 – H
Patent
B - Operations, Transporting
63
H
115/22
B63H 5/10 (2006.01) B63H 23/02 (2006.01) F16C 17/04 (2006.01)
Patent
CA 1288642
Abstract A marine drive unit includes a lower torpedo housing . At least one propeller shaft is mounted in the housing for rotation about a drive axis . The propeller shaft is driven by a driving gear suitably connected to a marine engine and mounted on the drive axis. A first forward thrust bearing is disposed between the driving gear and the housing. In addition, a second forward thrust bearing is disposed adjacent the forward end of the propeller shaft. A pre-loading device, in the present embodiment a washer-like Belleville spring of a desired capacity, is disposed to provide an adjustable rearwardly biasing force on the second thrust bearing.
591923
Brunswick Corporation
Mitchell Richard J.
LandOfFree
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