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:
Oct. 19, 1982

Filed:

Mar. 30, 1981
Applicant:
Inventor:

Johann Eichinger, Vaterstetten, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 52 ;
Abstract

A nonsteerable drive mechanism for a watercraft which includes an upper part arranged within the watercraft and has a drive motor with a downwardly directed driving shaft. A lower part is arranged outside of the hull of the watercraft and has an angled gear arrangement, the driven shaft of which extends horizontally below the waterline in the lower part and has a propeller fixedly secured to its free end. The upper part is resiliently mounted to a base plate and the lower part, independently therefrom, is rigidly secured to the base plate. A fixed closure member closes off an opening through the hull and a part of the base plate encircling the opening of the watercraft, which closure member is sealingly penetrated through by a shaft connection connected to the angled gear arrangement. The power transmission from the upper part to the lower part takes place through an elastic coupling connecting the driving shaft to the shaft connection.


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Eichinger, Johann. (1982). Nonsteerable drive mechanism for a watercraft (U.S. Patent No. 4354846). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4354846

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