IP Library Granted Patent US 10,960,796
Granted Patent B2
US 10,960,796 · App. 16/464,017 · Granted Mar 30, 2021

Seat pad

Inventors: Yukiko Tsugawa (Yokohama, JP); Taisuke Yonezawa (Yokohama, JP); Yoshiyuki Takahashi (Kanagawa, JP)
Assignee: BRIDGESTONE CORPORATION
B60N2/5664A47C27/15
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Quick Facts
Patent No.
US 10,960,796
App. No.
16/464,017
Granted
Mar 30, 2021
Kind
B2
Abstract

A seat pad 10 comprises a cushion pad 11 as a seat portion to be sat on, wherein a high ventilation member 12 higher in ventilation property than a cushion pad member forming the cushion pad 11 is embedded in a part of the cushion pad 11 except a under-hip portion located under hips when sitting, in a state of being exposed only to a rear side of the cushion pad.

Claims (21)

1. A seat pad comprising

a cushion pad configured to be a seat portion to be sat on,

wherein a high ventilation member higher in ventilation property than a cushion pad member forming the cushion pad is embedded in a part of the cushion pad except a under-hip portion configured to be located under hips when sitting, in a state of being exposed only to a rear side of the cushion pad, and

the high ventilation member extends across an entire width of a flat surface portion of the front surface of the seat pad and is not divided in a width direction of the seat pad.

2. The seat pad according to claim 1 , wherein the high ventilation member is embedded only in a under-thigh portion of the cushion pad configured to be located under thighs when sitting.

3. The seat pad according to claim 1 , wherein a thickness of the high ventilation member is 20% or more of a total thickness of the cushion pad and the high ventilation member at a position where the high ventilation member is embedded.

4. The seat pad according to claim 1 , wherein the high ventilation member is inserted in the cushion pad in a state of being compressed in a planar view lateral direction of the high ventilation member.

5. The seat pad according to claim 1 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

6. The seat pad according to claim 5 , wherein the polyurethane foam has a density of 20 kg/m 3 to 40 kg/m 3 and a number of cells of 45 cells or less per 25 mm.

7. The seat pad according to claim 2 , wherein a thickness of the high ventilation member is 20% or more of a total thickness of the cushion pad and the high ventilation member at a position where the high ventilation member is embedded.

8. The seat pad according to claim 2 , wherein the high ventilation member is inserted in the cushion pad in a state of being compressed in a planar view lateral direction of the high ventilation member.

9. The seat pad according to claim 3 , wherein the high ventilation member is inserted in the cushion pad in a state of being compressed in a planar view lateral direction of the high ventilation member.

10. The seat pad according to claim 2 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

11. The seat pad according to claim 3 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

12. The seat pad according to claim 4 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

13. The seat pad according to claim 7 , wherein the high ventilation member is inserted in the cushion pad in a state of being compressed in a planar view lateral direction of the high ventilation member.

14. The seat pad according to claim 7 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

15. The seat pad according to claim 8 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

16. The seat pad according to claim 9 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

17. The seat pad according to claim 13 , wherein the high ventilation member is polyurethane foam subjected to membrane removal treatment.

18. The seat pad according to claim 17 , wherein the polyurethane foam has a density of 20 kg/m 3 to 40 kg/m 3 and a number of cells of 45 cells or less per 25 mm.

Assignments (2)
ABSORPTION-TYPE COMPANY SPLIT Recorded Aug 26, 2022
From: BRIDGESTONE CORPORATION
To: ARCHEM INC.
Reel/Frame 061328/0297 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2019
From: TSUGAWA, YUKIKO; YONEZAWA, TAISUKE; TAKAHASHI, YOSHIYUKI
To: BRIDGESTONE CORPORATION
Reel/Frame 050255/0059 →
Priority Claims (1)
JP JP2016-228952 · Nov 25, 2016 · national
Continuity (1)
Related Publication 20190343296A1 · Nov 14, 2019