Title:
VEHICULAR SEAT
Document Type and Number:
Japanese Patent JP2021123278
Kind Code:
A
Abstract:
To provide a vehicular seat that comprises an air-driven first device, an air-driven second device and a common pump supplying air to them.SOLUTION: A lumbar support device 20 is configured in such a manner that a pump P is stopped and a first air flow passage P1 connecting the pump P and a lower air bag 21 and/or an upper air bag 22 is closed when the operation knob of a manual device V1 is not operated, and the pump P is operated and the first air flow passage P1 is open when the operation knob is operated. The distributor V2 and the solenoid valve V3 of a massage device 30, when the operation switch is not operated, stops the pump P and closes a second air flow passage P2 connecting the pump P and a pair of left and right waist lower air bags 31, a waist upper air bag 32 or a shoulder portion air bag 33, and when the operation switch is operated, the pump P is operated and the second air flow passage P2 is operated sequentially.SELECTED DRAWING: Figure 2
Inventors:
INOUE HIRONARI
Application Number:
JP2020019422A
Publication Date:
August 30, 2021
Filing Date:
February 07, 2020
Export Citation:
Assignee:
TOYOTA BOSHOKU CORP
International Classes:
B60N2/66; A47C7/62; A61H7/00; B60N3/00
Attorney, Agent or Firm:
Okada International Patent Office