The invention discloses a folding passenger seat with a safe and reliable locking mechanism, and the seat comprises a cushion, a back cushion, the locking mechanism, and a supporting skeleton. The locking mechanism consists of an end cap, a shaft sleeve, a spring, fixed shaft sleeve nuts, a ball, limiting blocks, and a horizontal fixed stopping block, wherein the end cap, the spring and the ball are sequentially disposed in the shaft sleeve. The shaft sleeve is fixed on a fixed board disposed in the cushion through two fixed shaft sleeve nuts. Each limiting block is arranged to be close to the ball, and is axially provided with two grooves and one limiting projection. Track sliding ways in a peripheral direction are respectively disposed between each two grooves. The horizontal fixed stopping block is disposed exactly below a limiting projection in the cushion. The cushion also can be folded according to the needs of a user, and is provided with a space which is big enough and brings convenience to the user for walking.
Folding passenger seat for railway passenger vehicle
2015-09-23
Patent
Elektronische Ressource
Englisch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
PASSENGER SEAT AIRBAG DEVICE AND FOLDING METHOD FOR PASSENGER SEAT AIRBAG
Europäisches Patentamt | 2017
|Heating seat for passenger compartment of railway passenger car
Europäisches Patentamt | 2023
|