Marine drive with easier shifting

Details Marine drive with easier shifting Marine drive with easier shifting

1989-09-14

1991-10-01

Basinger, Sherman

Marine propulsion

Screw propeller

Having transmission

440 86, 440 89, B63H 2128

Patent

active

050529587

ABSTRACT:
A marine drive (10) has a driveshaft housing (20) including a bell housing (22) with an exhaust passage (30) therethrough directing exhaust gas and cooling water, and a shift shaft (34) extending through the exhaust passage and journaled in the bell housing by a bushing (52) in a bore (38) in a section (40) of the bell housing. The interface (50) of the bushing and the bore is subject to corrosion from exhaust gas and cooling water. Shifting is eased by enabling a portion (54) of the bushing to contract radially inwardly toward the shift shaft (34) due to the noted corrosion, without binding the shift shaft and otherwise impeding rotation thereof.

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