Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
STRAIN WAVE GEAR
Document Type and Number:
WIPO Patent Application WO/2019/096923
Kind Code:
A3
Abstract:
A strain wave gear comprising an outer ring and an inner ring rotatably arranged in the outer ring. The inner ring comprises an internally toothed gear and a flex spline is arranged in the inner ring and comprise a flexible part comprising an external toothed gear. A wave generator is rotatable in relation to the flex spline and is configured to flex the flexible part in a radial direction to partly mesh the external toothed gear with the internally toothed gear causing rotation of the inner ring in relation to the outer ring. A part of said inner ring extends out of said outer ring and comprises an outwardly protruding output flange. An encoder reader can be disposed on the outer ring and an encoder track can disposed on the inner ring. A robot joint comprising the strain wave gear is also disclosed.

Inventors:
JOHANSEN, Steffen, Henrik (Damhavevej 20, 5260 Odense S, 5260, DK)
Application Number:
EP2018/081413
Publication Date:
June 20, 2019
Filing Date:
November 15, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
UNIVERSAL ROBOTS A/S (Energivej 25, 5260 Odense S, 5260, DK)
International Classes:
F16H49/00
Domestic Patent References:
WO2017012626A12017-01-26
Foreign References:
US5906142A1999-05-25
US5775178A1998-07-07
US8991282B22015-03-31
US20160305527A12016-10-20
KR20170053499A2017-05-16
Attorney, Agent or Firm:
FRUELUND, Morten (Energivej 25, 5260 Odense S, 5260, DK)
Download PDF: