Title:
FLAT-TYPE COMPOSITE ROWBOAT HAVING BALANCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/120336
Kind Code:
A1
Abstract:
A flat-type composite rowboat having a balancing device. A rowboat body (9) is a solid core material (1) made of a flat-type foam plate, two sides of which are cut into polygonal diamond-shaped surfaces (8), a glass fiber cloth (2) is stitched to form a jacket, the jacket is sheathed on the core material after being coated with resin, and a plastic film is wound and cured, then a jacket (3) formed by stitching an elastic fiber cloth and provided therein with a zipper is sheathed on the cured rowboat body, a seat on the rowboat body is provided with a seat jacket (12) formed by stitching a waterproof fiber cloth, a balancing plate (4) is provided behind the seat, and the balancing plate has a set height above the water level, when the rowboat travels, the balancing plate does not affect the travelling, and when the rowboat body is tilted to a set angle, the end face of the balancing plate is immersed into water to generate a reverse force, so that the rowboat body restores balance. As the balancing device is provided, the rowboat body can be narrower, thereby improving the speed. The flat-type composite rowboat having a balancing device has the advantages of simple manufacturing process, low cost, light weight, high speed, high safety, and small volume.
Inventors:
LUO ENHAO (CN)
Application Number:
PCT/CN2020/000275
Publication Date:
June 24, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
HANGZHOU YOUKAI BOAT CO LTD (CN)
International Classes:
B63B39/06; B63B5/00; B63B43/02
Foreign References:
| CN209410294U | 2019-09-20 | |||
| CN105109058A | 2015-12-02 | |||
| CN207809709U | 2018-09-04 | |||
| CN110803251A | 2020-02-18 | |||
| CN211810067U | 2020-10-30 | |||
| CN205931184U | 2017-02-08 | |||
| CN108674598A | 2018-10-19 | |||
| CN106080962A | 2016-11-09 | |||
| US4898113A | 1990-02-06 |
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