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:
Dec. 27, 2016

Filed:

May. 08, 2015
Applicant:

Sunstream Corporation, Kent, WA (US);

Inventors:

Kenneth Edwards Hey, Mercer Island, WA (US);

Dean Allen Stanford, Seattle, WA (US);

Loern Halverson, Bellevue, WA (US);

Assignee:

Sunstream Corporation, Kent, WA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63B 17/02 (2006.01); B63C 3/06 (2006.01); E04F 10/02 (2006.01); B63C 3/12 (2006.01);
U.S. Cl.
CPC ...
B63B 17/02 (2013.01); B63C 3/06 (2013.01); B63C 3/12 (2013.01); E04F 10/02 (2013.01);
Abstract

A boat lift with hydraulically or mechanically actuated arms which self-installs a fitted three-dimensional boat cover on a powerboat. The control logic of the system allows for cover operation only when the lift is raised. A spring-tensioned roller keeps the cover tight and self-rolls the cover on the roller when the actuated arms are pivoted forward. The roller is hidden behind the boat in 'cover-on' position. A slip clutch prevents the torsion spring from being over tightened. The forward position of the roller is adjusted by adjusting the hydraulic cylinder length. The rearward position of the roller is adjusted by limiting the retracted position of the hydraulic cylinder. A non-hydraulic embodiment actuates the cover when the lift is operated.


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