The invention relates to a seat intended to be fixed to the floor of a vehicle, having a seat part comprising a lower frame and a backrest comprising an upper frame fixed to the lower frame by means of at least one fastener (21), at least one fastener enables the backrest to tilt in the event of an impact by rotating about a transverse axis (AT), the fastener (21) comprising: a link (24) having a first end (27) connected to the lower frame (8) by a first pivot connection (P1) having an axis (A1) parallel to the transverse axis (AT), and a second end (29) connected to the lower frame (8) by a second pivot connection (P2) having an axis (A1) parallel to the transverse axis (AT); the second end is connected to the upper frame by a second pivot connection (P2) having an axis (A2) parallel to the transverse axis (AT); a plurality of pivot connections (P1, P2), each pivot connection having a rotary brake (33, 37) and/or a stop system limiting the amplitude of rotation of each pivot connection; and a sacrificial mechanical link (LF) connecting the lower frame to the upper frame while opposite the link (24).
本发明涉及一种旨在固定到交通工具的地板上的座椅,该座椅具有包括下框架的座椅部件以及包括上框架的靠背,该上框架通过至少一个紧固件(21)固定到下框架,至少一个紧固件通过围绕横向轴线(AT)旋转使得靠背能够在受到冲击的情况下倾斜,该紧固件(21)包括:连杆(24),该连杆具有第一端部(27)和第二端部(29),该第一端部通过具有平行于横向轴线(AT)的轴线(A1)的第一枢转连接件(P1)连接到下框架(8),该第二端部通过具有平行于横向轴线(AT)的轴线(A2)的第二枢转连接件(P2)连接到上框架;每个枢转连接件(P1,P2),每个枢转连接件具有旋转制动器(33,37)和/或限制每个枢转连接件的旋转幅度的止动件系统;牺牲机械连接件(LF),该牺牲机械连接件将下框架连接到上框架,同时与连杆(24)相对。
VEHICLE SEAT WITH A BACKREST PROVIDED WITH A DAMPING DEVICE
具有配备有减震装置的靠背的交通工具座椅
2023-12-19
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
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