Stern drive locking collar

Details Stern drive locking collar Stern drive locking collar

1995-07-12

1996-04-02

Swinehart, Edwin L.

Marine propulsion

Screw propeller

Shafting

440 57, 440113, 70182, B60R 2500, B63H 2332

Patent

active

055035787

ABSTRACT:
A device to discourage theft of stern drives of power boat inboard-outboard propulsion units comprises a locking collar installed about the drive shaft at a location between the engine and the transom of the boat to prevent withdrawal of the drive shaft through the transom passage.

REFERENCES:
patent: 2048424 (1936-07-01), Caldwell
patent: 3951096 (1976-04-01), Dunlap
patent: 4296615 (1981-10-01), Zoor
patent: 4325701 (1982-04-01), Peters, II et al.

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