Opening-and-closing device for vehicle door

Patent metadata

Field	Value
Publication number	US-2016010364-A1
Application number	US-201514691171-A
Country	US
Kind code	A1
Filing date	Apr 20, 2015
Priority date	Jul 10, 2014
Publication date	Jan 14, 2016
Grant date	—

Abstract

An opening-and-closing device for vehicle door includes: a close-latch mechanism; an electric-powered releasing mechanism; an association mechanism; a relay mechanism; an electric open/close unit; and a control unit. The relay mechanism switches from a connection state to a disconnection state by the operation of an association mechanism in a cancellation direction to allow returning a first ratchet stopped at a release position. The control unit reversely controls the electric open/close unit, operates a door to be opened toward a fully opened position, operate the association mechanism in a cancellation direction, and switches the relay mechanism to the disconnection state, upon detection of operational malfunction of the electric-powered releasing mechanism during closing of the door from the fully opened position to a fully closed position by closing operation of the electric open/close unit.

First claim

What is claimed is:

1 . An opening-and-closing device for vehicle door comprising:
a close-latch mechanism that is provided to a door, the close-latch mechanism including a first latch configured to move from an unlatched position to a latched position and a first ratchet configured to engage with the first latch in the latched position to hold the door in a closed position; an electric-powered releasing mechanism that is configured to operate the first ratchet to a release position; an association mechanism that is configured to operate in a cancellation direction from an initial position in association with opening operation of the door; a relay mechanism that is configured to switch from a connection state to a disconnection state to allow returning of the first ratchet stopped at the release position, the connection state connecting a release operation transmission path configured to transmit release operation of the electric-powered releasing mechanism to the first ratchet, the disconnection state disconnecting the release operation transmission path, the connection state switching to the disconnection state by operation of the association mechanism in the cancellation direction; an electric open/close unit that is configured to operate the door to be opened and closed with electric power; and a control unit that is configured to reversely control the electric open/close unit, operate the door to be opened toward the fully opened position, operate the association mechanism in the cancellation direction, and switch the relay mechanism to the disconnection state, upon detection of operational malfunction of the electric-powered releasing mechanism during closing of the door from the fully opened position to a fully closed position by closing operation of the electric open/close unit.

2 . The opening-and-closing device for vehicle door according to claim 1 , further comprising an open-latch mechanism that is provided to the door, the open-latch mechanism including a second latch configured to move from an unlatched position to a latched position and a second ratchet configured to engage with the second latch in the latched position to hold the door in an opened position,
wherein the association mechanism is operated in the cancellation direction in association with the movement of the second latch from the unlatched position to the latched position.

Assignees

• Mitsui Kinzoku Act Corp

Inventors

• Hanaki Naoki
• Yamashita Kohei

Classifications

• E05B79/20

  using flexible connections, e.g. Bowden cables · CPC title

• E05B83/40 Primary

  for sliding doors · CPC title

• E05B81/06

  using rotary motors · CPC title

• E05B81/20

  for assisting final closing or for initiating opening · CPC title

• E05B81/16

  operating on locking elements for locking or unlocking action · CPC title