To provide a vehicle seat lock device which can change a backrest angle of a seat back into three stages by simplifying a constitution of the device.SOLUTION: A striker 4 includes a first engagement part 41, a second engagement part 42 which is separated from the first engagement part 41 by a prescribed distance, and a third engagement part 43 which is separated from the second engagement part 42 by a prescribed distance. A lock mechanism 3 includes: a base plate 6 which has a striker advancing groove 61 enabling the first and second engagement parts 41, 42 and the third engagement part 43 to advance following a rising movement of a seat back; a hook lever 8 having an engagement group 81 which is supported by the base plate 61, can be held at a first rising position of the seat back by the engagement with the first engagement part 41, is held at a second rising position of the seat back by engagement with the second engagement part 42, and can be held at a third rising position of the seat back by the engagement with the third engagement part 43; and a spring 17 which energizes the hook lever 8 toward an engagement position.SELECTED DRAWING: Figure 3

    【課題】車両用シートロック装置において、構成を簡単にして、シートバックの背凭れ角度を3段階に変更可能とする。【解決手段】ストライカ4は、第1係合部41、当該第1係合部41から所定距離離間する第2係合部42及び当該第2係合部41から所定距離離間する第3係合部43を有する。ロック機構3は、シートバックの起立移動に伴って第1、2係合部41、42及び第3係合部43が進入可能なストライカ進入溝61を有するベースプレート6と、ベースプレート61に支持されると共に、第1係合部41に係合することによりシートバックの第1起立位置に保持し、第2係合部42に係合することによりシートバックの第2起立位置に保持し、第3係合部43に係合することによりシートバックの第3起立位置に保持可能な係合溝81を有するフックレバー8と、フックレバー8を係合位置へ向けて付勢するスプリング17と、を備える。【選択図】図3


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    Title :

    VEHICLE SEAT LOCK DEVICE


    Additional title:

    車両用シートロック装置


    Contributors:

    Publication date :

    2022-12-02


    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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