US 12,240,366 B2
Chair
Shinji Sugiyama, Tochigi (JP); and Yukitaka Tadachi, Tochigi (JP)
Assigned to TS TECH CO., LTD., Asaka (JP)
Filed by TS TECH CO., LTD., Asaka (JP)
Filed on Nov. 15, 2023, as Appl. No. 18/509,386.
Application 18/509,386 is a continuation of application No. 17/960,859, filed on Oct. 6, 2022, abandoned.
Application 17/960,859 is a continuation of application No. 16/930,733, filed on Jul. 16, 2020, granted, now 11,465,540, issued on Oct. 11, 2022.
Application 16/930,733 is a continuation of application No. 16/693,468, filed on Nov. 25, 2019, abandoned.
Application 16/693,468 is a continuation of application No. 15/561,914, granted, now 10,486,571, issued on Nov. 26, 2019, previously published as PCT/JP2016/059638, filed on Mar. 25, 2016.
Claims priority of application No. 2015-067212 (JP), filed on Mar. 27, 2015; application No. 2015-067213 (JP), filed on Mar. 27, 2015; application No. 2015-074039 (JP), filed on Mar. 31, 2015; application No. 2015-074040 (JP), filed on Mar. 31, 2015; application No. 2015-074041 (JP), filed on Mar. 31, 2015; application No. 2015-074042 (JP), filed on Mar. 31, 2015; application No. 2015-074043 (JP), filed on Mar. 31, 2015; application No. 2015-074044 (JP), filed on Mar. 31, 2015; and application No. 2015-074045 (JP), filed on Mar. 31, 2015.
Prior Publication US 2024/0083317 A1, Mar. 14, 2024
Int. Cl. B60N 2/90 (2018.01); A47C 1/12 (2006.01); A47C 7/14 (2006.01); A47C 7/62 (2006.01); A47C 7/72 (2006.01); A47C 7/74 (2006.01); A47C 9/02 (2006.01)
CPC B60N 2/90 (2018.02) [A47C 1/12 (2013.01); A47C 7/14 (2013.01); A47C 7/62 (2013.01); A47C 7/72 (2013.01); A47C 7/744 (2013.01); A47C 9/02 (2013.01); B60N 2002/981 (2018.02)] 19 Claims
OG exemplary drawing
 
1. A chair comprising:
a back rest having a back frame;
a biological sensor configured to detect biological signals of a seated person;
a vibration device that provides a vibration to the seated person;
a control device that controls the vibration device; and
a harness that connects the biological sensor and the control device;
wherein:
the vibration device is attached to an attachment member provided in the back frame,
the attachment member is disposed inside a recess portion formed to the back frame,
the recess portion is formed on a surface of the opposite side of a seating surface of the back frame,
the chair has a pad material and a skin configured to cover the pad material from a side of the seating surface of the chair,
the pad material is disposed on the side of the seating surface of the vibration device and is arranged between the vibration device and the skin,
a guide hole that passes the harness through is formed in the pad material,
the biological sensor is arranged between the skin and the pad material,
the control device is disposed on a back side of the pad material, the biological sensor and the control device are disposed at non-overlapping positions when viewed from the side of the seating surface, and
an opening of the guide hole that is positioned at a front side of the pad material and an opening of the guide hole that is positioned at the back side of the pad material are disposed at non-overlapping positions when viewed from the side of the seating surface.