Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FOLDABLE PROPELLER, AND UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/085150
Kind Code:
A1
Abstract:
A foldable propeller, and an unmanned aerial vehicle. The foldable propeller comprises: a propeller holding base (1) used for installation of a propeller blade (3), the propeller blade (3) being foldable and expandable with respect to the propeller holding base (1); and a position limiting mechanism (2) used to restrict rotation of the propeller blade (3) with respect to the propeller holding base (1) when the propeller blade (3) is expanded with respect to the propeller holding base (1). The foldable propeller keeps the propeller blade (3) in an expanded position after expansion, reduces wear between the propeller blade (3) and the propeller holding base (1), has reliable functions provided by an overall structure, and is easy to operate and implement.

More Like This:
WO/2015/198200PASSIVE DEPLOYMENT MECHANISM FOR LIFT FAN
WO/2016/138139SOLAR POWERED AIRCRAFT WITH A VARIABLE GEOMETRY WING AND TELECOMMUNICATIONS NETWORKS UTILIZING SUCH AIRCRAFT
JP4481297Cooling fan with reinforced wings
Inventors:
XU WENKANG (CN)
QIU JIANDA (CN)
Application Number:
PCT/CN2017/115030
Publication Date:
May 09, 2019
Filing Date:
December 07, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B64C11/28
Foreign References:
CN205022849U2016-02-10
CN203921188U2014-11-05
US6308632B12001-10-30
CN102069907A2011-05-25
US20160001879A12016-01-07
DE3240995A11984-05-03
CN205675232U2016-11-09
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: EJECTION APPARATUS AND MAGAZINE FOR SAME

Next Patent: UNMANNED AERIAL VEHICLE POSITIONING DEVICE AND PARKING APRON