Unlock instant, AI-driven research and patent intelligence for your innovation.

Latch arrangement

A latch device and latch technology, applied in electric locks, building locks, vehicle locks, etc., can solve the problems of dead batteries and unable to change the locking state

Inactive Publication Date: 2007-05-16
MERITOR TECH
View PDF1 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem with this type of powered locking / unlocking is the inability to change the locking state when power is not available, such as during a road accident or due to a dead battery
So if a vehicle is driven with the doors locked and then there is a serious crash where the occupants find themselves locked in the vehicle, there is clearly a safety issue

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Latch arrangement
  • Latch arrangement
  • Latch arrangement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] Referring to the accompanying drawings, a latch device according to a first preferred embodiment of the present invention is generally indicated at 10 . The latching device 10 comprises a latch 12 (only a part of which is shown), a release mechanism 16, a powered control 18 and manually actuatable elements in the form of an inner door handle 20 and an outer door handle 21 .

[0019] Although not shown, the latch 12 is mounted on the vehicle door and is operable to releasably retain a striker mounted on some fixed structure of the vehicle, such as a B-pillar or a C-pillar. The latch includes a latchbolt (not shown) in the form of a rotating claw for engaging the striker to hold the door in the closed position. Detent lever means are provided for biasing the rotating pawl into engagement with the striker to hold the latchbolt in the closed position. The brake lever arrangement includes a latch release element, indicated at 14 in FIG. 1 .

[0020] The latch release membe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A latch arrangement includes a lever movable in response to movement of a door lever. A controller is configured for selectively preventing movement of the lever. The controller includes a mono-stable blocking element in the form of a bi-metallic strip or a piezoelectric beam, which can be operated in such a way that its distal end acts to block movement of the lever. The controller also includes a bi-stable blocking element which has a nib that can be moved to an extended position to block movement of the lever. Both blocking elements can be operated at the same time. Unlatching of the door is prevented when either of the blocking elements are arranged in the path of the release lever.

Description

technical field [0001] The present invention relates to a latch device and more particularly but not exclusively to a latch device for use inside a motor vehicle door. Background technique [0002] Known vehicle doors include a latch that releasably holds the door in a closed position. These latches can be locked to prevent unauthorized persons from entering the vehicle when the vehicle is left unattended or even when people are in the vehicle. [0003] These types of latches may be shifted between the locked and unlocked states by manual means, such as by operating an interior sash button or exterior keybolt, or by a powered actuator remotely controlled, such as by an infrared device An actuator drives this type of latch between a locked state and an unlocked state. [0004] A problem with this type of powered locking / unlocking is the inability to change the locking state when power is not available, for example during a road accident or due to a dead battery. So if a ve...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E05B47/02E05B47/00E05B65/12
CPCE05B81/08E05B81/28E05B81/16E05B81/00E05B77/12E05B47/0009Y10T292/1047
Inventor 丹尼斯·卡瓦卢奇古尔宾德尔·辛格·卡尔西克里斯·罗兹奈杰尔·维克托·斯伯西尔万·雷伊·肖纳韦尔大卫·佩泰保罗·摩尔罗伯特·弗兰克·托利让-文森特·奥利维耶罗伯特·詹姆斯·克劳
Owner MERITOR TECH