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Latching mechanism

A latching and latching element technology, applied in the field of latching systems, can solve problems such as increased cost, increased weight and size

Inactive Publication Date: 2014-06-25
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These higher load conditions would require the latch system to be constructed to provide latching force in response to the higher load conditions, for example by increasing the size and strength of the latch and striker elements, which would result in increased cost, weight and and size as well as increasing package space requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Referring to the drawings, wherein like reference numerals represent like parts throughout the several views, from figure 1 Initially, a portion of a vehicle 10 including a door latch system is shown. Figure 1-7 Components shown in are not drawn to scale. Therefore, the specific dimensions and applications provided in these figures should not be considered limiting. The vehicle 10 includes a door 20, which may also be referred to as a first member 20, defined by a door shell or outer structure 28, and also includes a door interface portion 12, which may be referred to as a second member. 12 , which may be part of the bodywork of the vehicle 10 , or may be part of another door that is sealed or latched to the door 20 . A latch system is shown that includes a latch mechanism 30 and striker 18 . The latch mechanism 30 and striker 18 are operatively engaged to provide a latching force to operatively latch the first member 20 to the second member 12 . exist figure 1 In...

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PUM

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Abstract

A latching system for and a method of latching a first member to a second member are provided. The latching system includes a latching mechanism including a displaceable feature which, when operatively displaced, allows a striker to engage with a housing of the latching mechanism, at a recess defined by the housing, to provide supplementary or auxiliary latching force. The displaceable feature may be displaced by an actuating load transmitted between the striker and the latching mechanism, where the actuating load is substantially greater than the nominal load experienced by the latching system during ordinary latching conditions. The engagement of the striker with the housing at the recess may transfer a portion of the actuating load to the housing during the event generating the actuating load, thereby increasing the latching strength of the latching system and reducing the potential for deformation or distortion of the latching element during the event.

Description

technical field [0001] The present invention relates to a latch system. Background technique [0002] Latch systems are typically configured to include a latch element, such as a claw, engageable to a striker. The latch system may be attached to the first member and the striker may be attached to the second member such that engagement of the latch element with the striker provides a latching force to latch the first member to the second member. The engagement of the striker and the latching element must provide a latching force sufficient to latch the first member to the second member under rated or normal load conditions. The latch mechanism, striker or pawl can withstand higher load conditions, such as beyond rated load conditions, such as might be experienced in an impact event. These higher load conditions would require the latch system to be constructed to provide latching force in response to the higher load conditions, for example by increasing the size and strength...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B77/02E05B85/00
CPCE05B77/04E05B17/0062Y10T403/59Y10T292/08Y10T292/0821Y10T292/0908Y10T292/1047
Inventor 杰弗里.L.康钱路易斯.J.康拉德
Owner GM GLOBAL TECH OPERATIONS LLC