Nested Drawer Glide Mechanism for Smooth Warped-Drawer Motion
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Solution Overview
Problem
Epoxy glides in drawer mechanisms often result in rough, uneven movement due to single rollers and loose fits, while ball bearing glides are costly and labor-intensive, making them unsuitable for mass production in kitchen and bathroom cabinetry, where dimensional tolerances are not tight and drawers may be warped.
Innovation Solution
A drawer glide mechanism incorporating a v-notch socket with a first elongate guide member and a nested second elongate guide member, featuring a ball bearing component for smooth movement and adjustable floating and fixed members to accommodate warped drawers, allowing for easy attachment and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If epoxy glides with single rollers are used, then cost is reduced, but drawer movement becomes rough and uneven
Solution Approach 1:
The patent employs a nested structure with an inner guide member positioned within an outer guide member, both containing rollers that move along the guide tracks. This nested arrangement provides multiple rollers per guide member, ensuring continuous contact and smooth drawer movement while maintaining cost-effectiveness through the use of simple roller elements rather than expensive ball bearings.
2Ease of operation
If ball bearing guide members are used, then drawer movement smoothness is improved, but cost and labor increase
Solution Approach 1:
The patent replaces expensive ball bearing components with simpler, cheaper roller elements that can be easily manufactured and installed. The rollers are positioned within nested guide members to provide smooth movement without requiring the complex two-piece socket assemblies with multiple fasteners associated with ball bearing systems, thereby reducing both material cost and installation labor.
3Reliability
If two-piece socket with multiple fasteners is used, then guide member retention is improved, but device complexity increases
Solution Approach 1:
The patent integrates the retention function into the nested guide member structure itself, where the inner guide member is retained within the outer guide member through the nested arrangement and roller positioning. This eliminates the need for separate two-piece socket assemblies with multiple fasteners, reducing device complexity while maintaining reliable guide member retention through the interlocking nested structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective, smooth-operating drawer glide mechanism that can be used in kitchen and bathroom cabinetry, accommodating misshapen drawers and thin paneling, with self-adjusting features that eliminate the need for additional mechanical adjustments.
Implementation Method 1
a ball bearing component comprising a plurality of ball bearings between the first and second elongate guide members configured to permit movement of the second elongate guide member relative the first elongate guide member
Data Source
AI summary
A drawer glide mechanism can include a first elongate guide member, a second elongate guide member, a ball bearing component, a v-notch socket, a release mechanism, and/or a roller support. The first elongate guide member can include a distal end that is configured to fit within an opening in the v-notch socket. The drawer glide mechanism can further include one or more floating members and fixed members. In some cases, the drawer glide mechanism includes a release member configured to facilitate separation of the first and second elongate guide members when actuated and to inhibit or prevent accidental separation of the first and second elongate guide members.