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1. US20180162497 - Sailing vessel

Office United States of America
Application Number 15738882
Application Date 16.05.2016
Publication Number 20180162497
Publication Date 14.06.2018
Grant Number 10710685
Grant Date 14.07.2020
Publication Kind B2
IPC
B63B 41/00
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
41Drop keels, e.g. centre boards or side boards
B63B 43/04
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
43Improving safety of vessels, e.g. damage control, not otherwise provided for
02reducing risk of capsizing or sinking
04by improving stability
B63B 15/00
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
15Superstructures; Arrangements or adaptations of masts
B63B 15/02
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
15Superstructures; Arrangements or adaptations of masts
02Staying of masts or of other superstructures
B63B 35/00
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
35Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
B63B 3/38
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
3Hulls characterised by their structure or component parts
14Hull parts
38Keels
CPC
B63B 15/0083
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
15Superstructures ; , deckhouses, wheelhouses or the like; Arrangements or adaptations of masts ; or spars, e.g. bowsprits
0083Masts for sailing ships or boats
B63B 41/00
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
41Drop keels, e.g. centre boards or side boards ; ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
B63B 15/02
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
15Superstructures ; , deckhouses, wheelhouses or the like; Arrangements or adaptations of masts ; or spars, e.g. bowsprits
02Staying of masts or of other superstructures
B63B 43/04
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
43Improving safety of vessels, e.g. damage control, not otherwise provided for
02reducing risk of capsizing or sinking
04by improving stability
B63B 39/02
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
02to decrease vessel movements by displacement of masses
B63B 39/06
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06to decrease vessel movements by using foils acting on ambient water
Applicants Sarah-May Steenkamp
Inventors Keith Louis Featherstone Cronwright
Agents Stephen J. Weyer, Esq.
Stites & Harbison, PLLC
Priority Data 2015/03490 19.05.2015 ZA
Title
(EN) Sailing vessel
Abstract
(EN)

A keel canting mechanism for a sailing vessel having a hull, a keel and a mast is disclosed. The mechanism comprises a worm gear co-axial with the longitudinal axis of the vessel about which the keel rotates during a canting movement. There is a double enveloping worm in mesh with the worm gear and means for driving the worm. The worm gear is fast with the keel and, when rotated by the worm, displaces the keel through a canting movement. The gear has a plurality of holes in it into which pins can be inserted to lock the gear, and hence the keel, in the position to which it has been moved by the worm.