STERN DRIVES HAVING BREAKAWAY LOWER GEARCASE

STERN DRIVES HAVING BREAKAWAY LOWER GEARCASE

A stern drive is for propelling a marine vessel in water. The stern drive has an upper drive unit with a lower mounting surface; a lower gearcase coupled to the lower mounting surface and a trailing end surface that is angled relative to the lower mounting surface; and a propeller shaft extending fo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Collins, Stephen R, Poirier, Randall J, Moore, Kevin M, Scherer, III, John O, Waldvogel, David J, Jaszewski, Wayne M
Format: Patent
Sprache:eng
Schlagworte:
EQUIPMENT FOR SHIPPING
MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Beschreibung
Zusammenfassung:A stern drive is for propelling a marine vessel in water. The stern drive has an upper drive unit with a lower mounting surface; a lower gearcase coupled to the lower mounting surface and a trailing end surface that is angled relative to the lower mounting surface; and a propeller shaft extending forwardly from the lower gearcase and being configured to rotate a propeller for pulling the marine vessel in the water. The upper drive unit and the lower gearcase are configured such that when a forward side of the lower gearcase impacts an underwater obstruction, the lower gearcase is caused to pivot relative to the upper drive unit until the trailing end surface impacts the lower mounting surface, which thereby causes the lower gearcase to completely uncouple from the upper drive unit.