To improve anti-theft performance of a door latch device.SOLUTION: A door latch device 5 includes: a latch mechanism 11 for switching between a latched state in which a striker is held and a released state in which the striker is released; an electric release mechanism 12 causing a driving force generated by a first electric motor 21 to switch from the latched state to the released state; a manual release mechanism 13 transmitting an operation force to be input to an operation member 6 provided on a door 1 to the latch mechanism 11 for switching the latch mechanism 11 from the latched state to the released state; and a lock mechanism 14 for switching between a locked state in which switching to the released state by the manual release mechanism 13 is prohibited and an unlocked state in which switching to the released state by the manual release mechanism 13 is allowed. The lock mechanism 14 has a second electric motor 22 and operates solely on the driving force generated by the second electric motor 22.SELECTED DRAWING: Figure 1

    【課題】ドアラッチ装置の防盗性を向上する。【解決手段】ドアラッチ装置5は、ストライカを保持するラッチ状態とストライカが離脱された解放状態とを切り換えるラッチ機構11と、第1電気モータ21により発生された駆動力でラッチ状態から解放状態に切り換える電動リリース機構12と、ドア1に設けられた操作部材6に入力される操作力をラッチ機構11に伝達し、ラッチ機構11をラッチ状態から解放状態に切り換える手動リリース機構13と、手動リリース機構13による解放状態への切換を禁止するロック状態と、手動リリース機構13による解放状態への切換を許容するアンロック状態とを切り換えるロック機構14とを備える。ロック機構14は、第2電気モータ22を有し、第2電気モータ22により発生された駆動力のみに基づいて作動する。【選択図】図1


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    Title :

    DOOR LATCH DEVICE


    Additional title:

    ドアラッチ装置


    Contributors:

    Publication date :

    2024-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E05B LOCKS , Schlösser / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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