Water pickup insert

Details Water pickup insert Water pickup insert

1989-07-20

1990-09-04

Basinger, Sherman

Marine propulsion

Screw propeller

Propulsion unit casing

440 76, 440 88, B63H 2138

Patent

active

049541099

ABSTRACT:
A cooling water pickup system is provided for a marine stern drive. The stern drive includes an outdrive housing having a cooling water passage defined therein with first and second cooling water inlet openings defined on opposite sides of the housing and communicated with the passage. An exterior surface of the housing has first and second recesses defined therein by first and second recessed shoulders adjacent the first and second cooling water inlets. First and second inserts are received within the first and second recesses and abut the respective recessed shoulders. Each insert includes a locking member extending inward into the cooling water passage. The locking members of the first and second inserts each include a camming surface and an outwardly facing locking surface located outward of the camming surface. When the first and second inserts are placed in the recesses of the housing and moved toward each other, the first and second camming surfaces engage each other creating transversely directed camming forces. At least one of the locking members is sufficiently resilient to be deflected to allow the locking members to overlap until the first locking surface moves past the second locking surface to lock the inserts in place within the housing.

REFERENCES:
patent: 4752257 (1988-06-01), Karls et al.
patent: 4767366 (1988-08-01), Lang
patent: 4832640 (1989-05-01), Karls
Exhibit A-Photograph of a Hose Clamp.
Exhibit B-Photograph of a Hose Clamp.
Exhibit C-Photograph of a Hose Clamp.

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