Door latch device for vehicle and door system provided with door latch device

Patent metadata

Field	Value
Publication number	US-2016333615-A1
Application number	US-201415111664-A
Country	US
Kind code	A1
Filing date	Dec 24, 2014
Priority date	Sep 4, 2014
Publication date	Nov 17, 2016
Grant date	—

Abstract

A door latch device includes: a meshing mechanism configured to be meshable with a striker; a locking/unlocking mechanism configured to be movable to an unlock position where an opening operation of an operation handle provided at the door is enabled and where meshing of the meshing mechanism is releasable, and to be movable to a lock position where the opening operation of the operation handle provided at the door is disabled and where meshing of the meshing mechanism is unreleasable; a smart lever configured to be operable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the unlock position, and to be inoperable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the lock position; and a smart lever detection switch configured to be detectable an operation of the smart lever.

First claim

1 . A door latch device for vehicle, comprising:
a meshing mechanism configured to be meshable with a striker when a door is closed; a locking/unlocking mechanism configured to be movable to an unlock position where an opening operation of an operation handle provided at the door is enabled and where meshing of the meshing mechanism is releasable, and to be movable to a lock position where the opening operation of the operation handle provided at the door is disabled and where meshing of the meshing mechanism is unreleasable; a smart lever configured to be operable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the unlock position, and to be inoperable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the lock position; and a smart lever detection switch configured to be detectable an operation of the smart lever.

2 . The door latch device for vehicle according to claim 1 ,
wherein the smart lever operates by abutting the locking/unlocking mechanism that operates in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the unlock position.

3 . A door system for vehicle, comprising:
a door latch device for vehicle including:
a meshing mechanism configured to be meshable with a striker when a door is closed;
a locking/unlocking mechanism configured to be movable to an unlock position where an opening operation of an operation handle provided at the door is enabled and where meshing of the meshing mechanism is releasable, and to be movable to a lock position where the opening operation of the operation handle provided at the door is disabled and where meshing of the meshing mechanism is unreleasable;
a smart lever configured to be operable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the unlock position, and to be inoperable in linking with the opening operation of the operation handle when the locking/unlocking mechanism is in the lock position; and
a smart lever detection switch configured to be detectable an operation of the smart lever;
a door open/close detection switch configured to be detectable closing of the door; a window regulator configured to be capable of opening and closing a glass window provided at the door using power of an electric driving source; and a control circuit device configured to control drive of the electric driving source, wherein the control circuit device performs opening drive control of the electric driving source for a predetermined time, triggered by detection of operation of the smart lever by the smart lever detection switch when the door open/close detection switch is detecting the closing of the door, and performs closing drive control of the electric driving source triggered by detection of closing of the door by the door open/close detection switch.

Assignees

• Mitsui Kinzoku Act Corp

Inventors

• Enomoto Daisuke

Classifications

• E05Y2900/55

  Windows · CPC title

• E05F15/689

  specially adapted for vehicle windows · CPC title

• E05B81/72

  the lock status, i.e. locked or unlocked condition · CPC title

• E05B79/08

  Mounting of individual lock elements in the lock, e.g. levers · CPC title

• E05F15/665

  for vertically-sliding wings · CPC title