VEHICLE DOOR LATCH DEVICE

A vehicle door latch device can prevent dust or water from entering an area where a movable element related with ratchet wheel operation stays. The vehicle door latch device comprises an engagement mechanism housing having a striker entering groove (2a) into which a striker (S) can enter, a cover member (4) occluding an opening of the engagement mechanism housing (2), a latch (5) pivotally mountedin the engagement mechanism housing (2) and capable of engaging with the striker (S) which has entered the striker entering groove (2a), a ratchet (6) pivotally mounted in the engagement mechanism housing (2) and capable of engaging with the latch (5), and movable elements (34,35,71,73) relating to the operation of the ratchet (6). The housing has a guide path (2e,2f) through which the invasion fluid can be guided to an outside direction of a region (22,30) that the movable elements (34,35,71,73) are disposed. 在车门闩锁装置中，防止了灰尘或水侵入与棘轮操作相关的可移动元件所在的区域。种车门闩锁装置包括接合机构壳体，所述接合机构壳体具有撞针进入槽2a，撞针S可以进入撞针进入槽2a中；盖构件4，所述盖构件4封闭所述接合机构壳体