Title:
PROPELLER
Document Type and Number:
WIPO Patent Application WO/2019/037037
Kind Code:
A1
Abstract:
A propeller, comprising at least one blade (1, 2, 3), the blade (1, 2, 3) comprising a rigid body (11) and a soft edge (12) connected to the rigid body (11), the soft edge (12) extending outwards from the rigid body (11). Due to the presence of the soft edge (12) if the blade (1, 2, 3) hits a user's hand injury is avoided. The rigid body (11) ensures the stiffness of the body of the blade (1, 2, 3), ensuring thrust performance.
Inventors:
TIAN YU (CN)
Application Number:
PCT/CN2017/098847
Publication Date:
February 28, 2019
Filing Date:
August 24, 2017
Export Citation:
Assignee:
TIAN YU (CN)
International Classes:
B64C11/20
Foreign References:
| CN2899887Y | 2007-05-16 | |||
| CN206202665U | 2017-05-31 | |||
| CN2734291Y | 2005-10-19 | |||
| CN104787282A | 2015-07-22 | |||
| KR20120102880A | 2012-09-19 |
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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