The invention provides a seat backrest auxiliary device. The device comprises a head hood (1) and a back cushion (4), wherein a pillow is contained in the head hood (1), the back cushion (4) is placed at the bottom of the head hood (1), the back cushion (4) is internally provided with an elastic air-charging cavity, and the elastic air-charging cavity is connected with an air charging device (9) through an air guide pipe (7). By means of the seat backrest auxiliary device, fatigue of neck joints and back joints of a passenger is avoided, the sitting comfortable sensation of the passenger is improved, the rest time is increased, the rest quality is improved, and the device is simple and reliable in component, low in weight, convenient to carry and install and low in cost; in addition, no pollution or noise is caused in the application process of the device. The seat backrest auxiliary device is ingenious in design, excellent in performance, convenient and practical.
Seat backrest auxiliary device
2015-11-11
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
Rapid adjusting device of seat backrest and seat backrest
European Patent Office | 2023
|