Propeller driven surfing device

Details Propeller driven surfing device Propeller driven surfing device

2007-04-24

2007-04-24

Olson, Lars A. (Department: 3617)

Ships

Motorized self-propelled waterski or waterscooter-type vehicle

Having standing rider

C441S074000

Reexamination Certificate

active

11342017

ABSTRACT:
A propeller driven surfing device includes an elongated body defining an accommodation chamber for receiving a drive motor and a power supply therein. A propeller is driven by the drive motor, and is disposed outwardly and rearwardly of the elongated body. A shell member includes a front surrounding segment which surrounds and which is spaced apart from the elongated body to define a passageway therebetween, and a rear surrounding segment which extends rearwardly to terminate at a distal end that is disposed rearwardly of the propeller. The front surrounding segment and the distal end respectively define a water intake port and a water outlet port which are disposed upstream and downstream of the passageway, respectively, such that water flows from the intake port and out of the outlet port through the passageway.

REFERENCES:
patent: 3324822 (1967-06-01), Carter, III
patent: 4971586 (1990-11-01), Walsh
patent: 5105753 (1992-04-01), Chih et al.
patent: 5568783 (1996-10-01), Ditchfield
patent: 6192817 (2001-02-01), Dec et al.
patent: 6568340 (2003-05-01), Dec et al.

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