SUSPENSION SEAT

• Main Authors: UCHISAWA YUKI, YAEGASHI MASARU, NAKAMURA TATSUMASA, UEHARA SHINJI
• Format: Patent
• Language: English; Japanese
• Published: 25.03.2021
• Subjects: PERFORMING OPERATIONS; SEATS SPECIALLY ADAPTED FOR VEHICLES; TRANSPORTING; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL

To provide a suspension seat including a lock mechanism which is configured in a simple form and capable of restraining a suspension in a range of displacement of the seat in a vehicle vertical direction.SOLUTION: A suspension seat 10 includes: X links 28 which are connected to a lower frame 16 at the vehicle lower side and connected to an upper frame 18 supporting a seat body part 12 from the vehicle lower side and displace the upper frame 18 by its displacement; a front lower movable shaft 38 which is provided at the X links 28 and displaced linearly in conjunction with displacement of the X links 28; and a lock mechanism 50 including a rack 54 which is fixed to the front lower movable shaft 38 at one end part and provided along a direction of displacement of the front lower movable shaft 38 and a lock member 56 including an engagement part 56B which is provided at the end part side as seen in a short direction of the rack 54 and capable of restraining the rack 54 in a range of displacement of the rack 54.SELECTED DRAWING: Figure 2 【課題】簡易に構成されると共にシートの車両上下方向に変位する範囲内においてサスペンションを拘束可能なロック機構を備えたサスペンションシートを提供する。【解決手段】サスペンションシート１０に、車両下方側がロアフレーム１６に連結されると共にシート本体部１２を車両下方側から支持するアッパフレーム１８に連結され、変位することによりアッパフレーム１８を変位させるＸリンク２８と、Ｘリンク２８に設けられると共にＸリンク２８の変位と連動して直線的に変位される前下側可動軸３８と、一端部が前下側可動軸３８に固定されると共に前下側可動軸３８の変位する方向に沿って設けられたラック５４とラック５４の短手方向の端部側に設けられると共にラック５４の変位する範囲内でラック５４を拘束可能な噛合部５６Ｂを備えたロック部材５６とを含んで構成されたロック機構５０と、を備える。【選択図】図２