Title:
CHAIR AND OFFICE FURNITURE WIRELESS POWER FEEDING SYSTEM FOR ENABLING IMPLEMENTATION OF ADDITIONAL FUNCTION USING ELECTRICITY
Document Type and Number:
Japanese Patent JP2020185239
Kind Code:
A
Abstract:
To implement a chair and an office furniture wireless power feeding system having excellent power feeding efficiency without damaging excellent sitting comfort provided by the chair's primary function.SOLUTION: While a power transmission coil 4 is provided in a top plate 2 of a desk 1, a power receiving coil 14 is provided in an arm placement part 18 of an armrest 11 of a chair 6. The chair 6 has a battery 20 built-in, the battery connected to the power receiving coil 14 by a cable 19 laid inside a frame. Power feeding to the battery 20 is performed via induction current flowing through the power receiving coil 14 caused by electromagnetic coupling between the power transmission coil 4 and the power receiving coil 14 when the armrest 11 of the chair 6 goes under the top plate 2 of the desk 1 or is adjacent to the top plate 2.SELECTED DRAWING: Figure 1
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Inventors:
ICHIKAWA TOMOAKI
NAKAMURA KENSUKE
HANEDA TORU
TERAJIMA KAZUMI
KASAHARA SATOMI
NAKAMURA KENSUKE
HANEDA TORU
TERAJIMA KAZUMI
KASAHARA SATOMI
Application Number:
JP2019092575A
Publication Date:
November 19, 2020
Filing Date:
May 16, 2019
Export Citation:
Assignee:
TAKANO CO LTD
NEC SOLUTION INNOVATORS LTD
NEC SOLUTION INNOVATORS LTD
International Classes:
A47C7/72; A47B13/00; H01M10/46; H02J7/00; H02J50/10
Domestic Patent References:
| JP2013046548A | 2013-03-04 | |||
| JP2005131236A | 2005-05-26 |
Foreign References:
| US20170135490A1 | 2017-05-18 | |||
| US20190021504A1 | 2019-01-24 |
Attorney, Agent or Firm:
Kazumi Murase