Title:
POWER TOOLS AND METHODS OF PRODUCING A NOTIFICATION TO A USER
Document Type and Number:
WIPO Patent Application WO/2022/178771
Kind Code:
A1
Abstract:
The present invention relates to a power tool adapted to produce a notification to a user. The power tool comprises a sensor configured to sense a fault condition of the power tool; a motor driving circuit connected to the sensor, and configured to provide a motor driving signal based on the fault condition of the power tool; and a motor connected to the motor driving circuit and adapted to be driven by the motor driving signal from the motor driving circuit to produce the notification. The notification is in the form of an audible sound and/or a perceivable vibration via which the user is notified about the fault condition.
Inventors:
XIE HUANFA (CN)
SUN KAIJIA (CN)
PENG SHUNKAI (CN)
MA HAIBO (CN)
WEN CHAO (CN)
LI YONGMIN (CN)
SUN KAIJIA (CN)
PENG SHUNKAI (CN)
MA HAIBO (CN)
WEN CHAO (CN)
LI YONGMIN (CN)
Application Number:
PCT/CN2021/077940
Publication Date:
September 01, 2022
Filing Date:
February 25, 2021
Export Citation:
Assignee:
TECHTRONIC CORDLESS GP (US)
XIE HUANFA (CN)
XIE HUANFA (CN)
International Classes:
H02K11/20
Foreign References:
| CN110494344A | 2019-11-22 | |||
| CN111051840A | 2020-04-21 | |||
| DE4137384C1 | 1993-04-22 | |||
| CN203396914U | 2014-01-15 | |||
| CN204439797U | 2015-07-01 | |||
| US20040090197A1 | 2004-05-13 | |||
| US20120126738A1 | 2012-05-24 |
Other References:
See also references of EP 4073915A4
Attorney, Agent or Firm:
KING & WOOD MALLENSONS (CN)
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