Visual indicating plug for outboard marine engines

Details Visual indicating plug for outboard marine engines Visual indicating plug for outboard marine engines

1987-09-25

1988-12-06

Basinger, Sherman D.

Marine propulsion

With indicator

116276, 184 96, 184108, 220 82A, 440 78, 440 88, B63H 2138

Patent

active

047893630

ABSTRACT:
A transparent drain plug for the submersible transmission case of an outboard marine engine. The transparency of the plug permits the lubricating oil in the transmission to be viewed to determine by its color whether and to what extent water has seeped into the transmission. The plug has a special configuration which provides it with a lens effect to enhance the visibility of the transmission case interior.

REFERENCES:
patent: 2345889 (1944-04-01), Talbot
patent: 2374142 (1945-04-01), Steven
patent: 2638810 (1953-05-01), Berleme
patent: 2917924 (1959-12-01), Messick

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