Drawer Guide Latching for Interchangeable Front Panel Types
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Solution Overview
Problem
Existing furniture assembly methods require precise knowledge of drawer types to position extension guides correctly, leading to complications during assembly and potential need for re-fitting when drawer arrangements are altered.
Innovation Solution
The latching positions of the extension guides are automatically adjusted based on a removable or movable abutment on the drawer, which depends on the type of front panel, allowing for uniform positioning of extension guides regardless of the drawer type and enabling easy interchange of drawers without re-fitting the guides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If extension guides are positioned based on specific drawer types, then proper alignment and collision prevention are achieved, but assembly complexity increases and adaptability decreases
Solution Approach 1:
The extension guide system incorporates movable abutments that can dynamically adjust their positions along the guide rail. This allows the same extension guide to adapt to different drawer types (front pull-out or internal pull-out) by repositioning the abutment, thereby achieving both precise alignment for each drawer type and versatility across multiple drawer configurations without increasing assembly complexity
Solution Approach 2:
The system changes the positional parameter of the abutment on the extension guide based on the drawer type being installed. For front pull-out drawers, the abutment is positioned at one location, while for internal pull-out drawers, it is repositioned to a different location. This parameter adjustment enables the same hardware component to accommodate different drawer configurations precisely
2Ease of operation
If extension guides are positioned forward for front pull-out drawers, then proper latching is achieved, but internal pull-out drawers cannot be properly installed
Solution Approach 1:
The abutment on the extension guide is designed to be movable rather than fixed, allowing installers to reposition it according to the drawer type. This dynamic adjustment enables the same extension guide to properly latch both front pull-out drawers (by positioning abutment forward) and internal pull-out drawers (by repositioning abutment rearward), achieving ease of operation for all drawer types
Solution Approach 2:
The extension guide system is designed with multi-functionality to accommodate both front pull-out and internal pull-out drawer types using the same guide structure. The universal design is achieved through the adjustable abutment mechanism that can be configured for different drawer configurations, eliminating the need for different extension guides for different drawer types
3Adaptability or versatility
If drawer arrangements need to be altered later, then flexibility is improved, but re-fitting complexity increases
Solution Approach 1:
The movable abutment mechanism allows for easy reconfiguration of drawer arrangements. When drawer types need to be changed, the abutment can be simply repositioned along the extension guide without removing or replacing the entire extension guide assembly. This dynamic adjustment capability maintains flexibility for future modifications while keeping re-fitting operations simple and straightforward
Solution Approach 2:
The extension guides are pre-installed in a standardized position that can accommodate both drawer types. The preliminary positioning of the extension guide with an adjustable abutment eliminates the need for subsequent re-fitting of the guides themselves, as the abutment can be easily repositioned to adapt to different drawer configurations
Data Source
AI summary
An arrangement includes a drawer and a pull-out guide for the drawer. The drawer has a drawer container and a front panel that can be connected to the container, and the drawer can be detachably fastened to the pull-out guide by a fastening device. The pull-out guide has at least one first and one second locking position for fastening the drawer, and the drawer can be provided with a first type of front panel or a second type of front panel. The particular drawer can be locked or fastened in the first or second locking position depending on the front panel type.