Ceiling-Mounted Dishwasher Drawer for Full Rear Access
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Solution Overview
Problem
Existing dishwashers with top racks limited by guide rails restrict the forward motion, preventing effective use of the rear portions and reducing loading capacity.
Innovation Solution
A dishwasher design featuring hangers secured to the ceiling with U-shaped wire rails and drawer arms allowing independent movement, enabling the drawer to be fully pulled out for easy loading and unloading, and utilizing the rear space effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If guide rails are mounted to the ceiling and the top rack is disposed to be movable on the rails, then the drawer can be moved forward and backward, but the forward motion is limited by the rails preventing the drawer from being entirely pulled out
Solution Approach 1:
The movement system is divided into two independent segments: the rail moves on the hanger arm along one movement line, while the drawer moves on the drawer arm along a separate movement line. This segmentation allows the drawer to be completely extracted from the dishwasher body, overcoming the limitation of fixed guide rails and enabling full utilization of the drawer's loading capacity.
2Device complexity
If the drawer is constrained by fixed rails, then the structure is simple, but the rear portions of the drawer cannot be used effectively
Solution Approach 1:
The invention introduces a second dimension of movement by adding the hanger arm that moves independently along the ceiling. Instead of the drawer being constrained in a single linear path by fixed rails, the system now has two degrees of freedom: the rail moves along the hanger arm, and the drawer moves along the rail. This dimensional expansion enables the drawer to be fully extracted while maintaining structural simplicity.
Data Source
AI summary
The present invention relates to a dishwasher (1) that comprises a body (2), a door (3) allowing access into the body (2), at least two hangers (4) secured oppositely on the ceiling (T) of the body (2), at least two rails (5) each secured to the hangers (4) and at least one drawer (6) installed to the rails (5) from the opposite sides to be movable thereon, wherein the items to be washed are emplaced.