To prevent damage of a lock release lever and make a seating occupant less likely to feel discomfort in a lock device of a seat back which can switch a state of a vehicle cabin and a trunk room between a communication state and a non-communication state.SOLUTION: A lock device includes: a lock mechanism; and a release lever 25 which unlocks the lock mechanism through a first cable 27. The release lever 25 has: a lever case 25a; a lever rotary shaft 25e; an upper lever 25b1 which is supported so as to be rotatable relative to the lever rotary shaft 25e; a lower lever 25b2 in which one end part is supported so as to be rotatable and movable relative to the lever rotary shaft 25e in an axial direction and the other end part is coupled to the first cable 27; and a third spring 25g which moves the lower lover 25b2 relative to the upper lever 25b1 in the axial direction, a cam member 25k, and an operation lever coupled to a second cable 28. The lock mechanism is unlocked when the upper lever 25b1 is rotated integrally with the lower lever 25b2.SELECTED DRAWING: Figure 8

    【課題】車室とトランクルームとを連通状態と非連通状態とに切り換え可能なシートバックのロック装置において、ロック解除レバーの破損を防止するとともに着座乗員が異物感を生じにくくする。【解決手段】ロック装置は、ロック機構と、ロック機構を第1ケーブル27を介してロック解除する解除レバー25と、を備える。解除レバー25は、レバーケース25aと、レバー回動軸25eと、レバー回動軸25eに対して回動可能に支持された上レバー25b1と、レバー回動軸25eに対して一端部が回動可能かつ軸方向に移動可能に支持され他端部が第1ケーブル27に連結された下レバー25b2と、上レバー25b1に対して下レバー25b2を軸方向に移動させる第3ばね25g、カム部材25k及び第2ケーブル28に連結された操作レバーと、を有する。上レバー25b1が下レバー25b2と一体状態で回動されたときロック機構がロック解除される。【選択図】図8


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    Title :

    LOCK DEVICE OF SEAT BACK


    Additional title:

    シートバックのロック装置


    Contributors:

    Publication date :

    2020-03-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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