Chair

Patent metadata

Field	Value
Publication number	US-11465540-B2
Application number	US-202016930733-A
Country	US
Kind code	B2
Filing date	Jul 16, 2020
Priority date	Mar 27, 2015
Publication date	Oct 11, 2022
Grant date	Oct 11, 2022

Abstract

The present disclosure provides a chair in which attachment strength of a holding member and the chair is enhanced and an attachment state can be stably maintained. A legged chair includes a leg member, a support post connected to the leg member, a metal frame integrated with the support post, the metal frame forming a seated portion, an awakening device configured to awaken a seated person, a battery configured to supply electric power to the awakening device, an ECU that controls the awakening device, and a holding cover configured to hold the battery and the ECU. The holding cover is attached to the highly rigid metal frame.

First claim

What is claimed is:

1. A chair comprising:
a frame forming the chair;
a pad portion arranged on the frame;
a cover that covers the pad portion; and
a biological sensor configured to detect biological signals of a seated person;
wherein:
the biological sensor is disposed between the pad portion and the cover,
the cover has a sensor covering portion that covers the biological sensor, and
the sensor covering portion comprises a sensor position indicator that indicates a position of the biological sensor.

2. The chair according to claim 1 , wherein:
the sensor covering portion projects on an opposite side of the pad portion in a thickness direction of the cover.

3. The chair according to claim 2 , wherein:
the sensor covering portion is a step that projects over other part of the cover.

4. The chair according to claim 1 , wherein:
the frame forms a seated portion of the chair, and
the sensor covering portion is provided on the seated portion.

5. The chair according to claim 1 , wherein:
the chair comprises a control device that is connected to the biological sensor.

6. The chair according to claim 5 , wherein:
the sensor covering portion and the control device are arranged at an opposite position in a front to back direction of the chair.

7. The chair according to claim 6 , wherein:
the sensor covering portion is arranged on a rear side of the control device in the front to back direction of the chair.

8. The chair according to claim 5 , wherein:
the chair comprises a harness that connects the biological sensor and the control device, and
a part of the harness and the sensor covering portion are arranged at a same position in a front to back direction of the chair.

9. The chair according to claim 5 , wherein:
the control device is arranged on a lower side of the sensor covering portion.

10. The chair according to claim 1 , wherein:
a space portion is formed between the cover and the pad portion, and
the space portion is arranged on a position adjacent to the sensor covering portion in a front to back direction of the chair.

11. A chair comprising:
a frame forming the chair;
a pad portion arranged on the frame;
a cover that covers the pad portion; and
a biological sensor configured to detect biological signals of a seated person;
wherein
the biological sensor is disposed between the pad portion and the cover,
the cover has a sensor covering portion that covers the biological sensor, and
the sensor covering portion is a step that projects toward an opposite side of the pad portion with respect to other part of the cover in a thickness direction of the cover.

Assignees

• Ts Tech Co Ltd

Inventors

• Sugiyama Shinji
• Tadachi Yukitaka

Classifications

• A47C7/14

  of adjustable shape; elastically mounted {; adaptable to a user contour or ergonomic seating positions (movably-coupled seat and backrests with elastic adjustment means A47C1/03261)} · CPC title

• A47C9/02

  Office stools; Workshop stools · CPC title

• A47C7/72

  Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like · CPC title

• B60N2002/981

  Warning systems, e.g. the seat or seat parts vibrates to warn the passenger when facing a danger · CPC title

• A47C7/62 Primary

  Accessories for chairs · CPC title