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Instant center latch system

A latch device and locking technology, which is applied in the field of instantaneous central latch system, can solve the problems of increasing the release force of the sealing effect, etc.

Inactive Publication Date: 2018-06-29
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increased sealing action requires greater release force

Method used

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  • Instant center latch system
  • Instant center latch system
  • Instant center latch system

Examples

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Embodiment Construction

[0013] The following description is merely exemplary in nature and is not intended to limit the invention, application or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features. Additionally, directions such as "top," "side," "back," "lower," and "upper" are used for purposes of explanation and are not intended to require a particular orientation unless otherwise indicated. These directions are provided only as a frame of reference for the examples provided, but they may be modified in other applications.

[0014] refer to Figures 1 to 3 , shows an exemplary latch device 10 for reducing the force and stroke requirements to release the striker 12 . Since the exemplary latch device 10 does not require full stroke and force to release the striker 12, a system that utilizes an active material based approach to closure (eg, a shape memory alloy actuator) is advantageous. However, the reduced...

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Abstract

A latching device for engaging a striker includes a rotatable locking plate configured for receiving the striker. A linkage is configured to counterbalance the locking plate in a first latched position. An active material actuator is interconnected with the linkage such that the active material actuator is activated and moves the linkage out of counterbalance with the locking plate into a second unlatched position.

Description

technical field [0001] The present invention relates to a momentary center latch system using a linkage mechanism. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] In many vehicles, the process of releasing a suspension body (eg, door, hatch, cowl, etc.) from a support body (eg, frame) is performed in two sequential steps. The first step involves unclamping the suspension body from the "latch snug" and is usually assisted and / or accomplished with an actuator or motor. During latch engagement, the seal is compressed, enhancing the sealing action. A better sealing action ensures that unwanted elements (eg wind noise, weather elements, dust, etc.) are transmitted into the vehicle interior, resulting in a higher perceived quality of vehicle performance. However, increasing the sealing action requires greater release force. Once this force has been ov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/005
CPCB60G17/005E05B51/005E05B85/26E05C3/124F16H21/10
Inventor W·金P·W·亚历山大J·N·纳尔逊J·D·金
Owner GM GLOBAL TECH OPERATIONS LLC