Drawer assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing drawer assemblies in delivery vehicles often slide undesirably during sharp turns or abrupt stops, causing items to fall, and the locking mechanisms are difficult to access, requiring two hands and being prone to accidental operation.
Innovation Solution
A drawer assembly design featuring a handle with a monolithic second portion that, when pushed, rotates to disengage a locking element, allowing the drawer to slide freely, and re-engages when the push motion ceases, ensuring secure locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional locking mechanism with a small thumb release is used, then the drawer can be locked securely, but the locking mechanism becomes difficult to access and requires two hands to operate
Solution Approach 1:
The handle is extended laterally beyond the width of the drawer frame, moving the release mechanism from a confined space to an accessible external position. This dimensional extension allows the handle to be reached and operated easily from outside the vehicle without requiring access to the interior space between rack members.
Solution Approach 2:
The monolithic handle design integrates the release mechanism directly into the handle structure itself, eliminating the need for separate components or complex mechanisms. The handle serves both as a gripping element and as the release actuator, allowing one-handed operation where the user's hand naturally positions the thumb on the release portion.
2Ease of operation
If trays are allowed to slide freely on the rack, then accessing items becomes convenient, but the trays may slide at undesired times during sharp turns or abrupt stops
Solution Approach 1:
The system transitions from a static locked position to a dynamic unlocked position through the rotation of the drawer release. When the release rotates from the first orientation to the second orientation, it disengages the locking elements, allowing the drawer to slide dynamically along the rack for convenient item access.
Solution Approach 2:
The drawer release acts as an intermediary mechanism between the user's manual input and the drawer's sliding motion. By rotating the drawer release, the user controls the engagement and disengagement of locking elements, mediating between the desire for secure locking and the need for easy drawer access.
3Reliability
If a locking mechanism is positioned in a remote location to secure the drawer, then the drawer can be locked effectively, but accessing and operating the locking mechanism becomes difficult especially when carrying items
Solution Approach 1:
The handle is extended laterally beyond the width of the drawer frame, moving the release mechanism from a confined space to an accessible external position. This dimensional extension allows the handle to be reached and operated easily from outside the vehicle without requiring access to the interior space between rack members.
Data Source
AI summary
A drawer assembly includes a member having a first locking element. A drawer includes a frame and a handle. The handle includes a first portion and a second portion. The first portion is coupled to the frame. The second portion is coupled to the first portion. A drawer release includes a first end and a second end. The drawer release is rotatably coupled to the drawer. The first end includes a second locking element. The second portion is rotatable relative to the first portion to move the drawer release from a first orientation in which the second locking element directly engages the first locking element to prevent the drawer from sliding relative to the member to a second orientation in which the second locking element is spaced apart from the first locking element to allow the drawer to slide relative to the member. Systems and methods of use are disclosed.