The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 28, 2006

Filed:

Apr. 08, 2005
Applicants:

Yoshihiro Iijima, Saitama, JP;

Keiji Iino, Saitama, JP;

Masayuki Osumi, Saitama, JP;

Hiroshi Sueshige, Saitama, JP;

Hiroaki Hasebe, Saitama, JP;

Inventors:

Yoshihiro Iijima, Saitama, JP;

Keiji Iino, Saitama, JP;

Masayuki Osumi, Saitama, JP;

Hiroshi Sueshige, Saitama, JP;

Hiroaki Hasebe, Saitama, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63C 11/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

An underwater scooter is provided with an engine enclosed in a watertight vessel and an electric motor enclosed in the watertight vessel and connected to the output shaft of the engine, and a propeller disposed upon a main frame and connected to the output shaft of the motor to be driven and turned by at least one of the engine and the motor so as to propel the scooter. In other words, the scooter is a hybrid type having the engine and electric motor as the drive power of the propeller. With this, the operator can easily re-start, once stopped on the surface of the water or underwater. Moreover, since the propeller can be driven even by the engine, a distance of travel is elongated with less increased weight, when compared to the case that the propeller is driven solely by the engine.


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