Shopping Cart Gate Assembly With Pinch-Safe Child Seat Nesting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Shopping carts often require significant storage space and their collapsible child seats can create pinch points or discomfort for children during use.
Innovation Solution
A shopping cart with a single-piece gate featuring a child safety seat and drink holders, coupled using coupling plugs and locking clips, which allows for efficient storage and safe child seating without hinges or folds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If collapsible child seats are used in shopping carts, then the child seat can be stored when not in use, but pinch points or areas of possible injury are created for children
Solution Approach 1:
The child seat is divided into multiple segments including a backrest segment, seat segment, and footrest segment that can independently fold and collapse. This segmentation allows the seat to be compacted into a storage position while maintaining safety by eliminating pinch points through controlled folding mechanisms with padded surfaces and rounded edges throughout the structure
Solution Approach 2:
The child seat employs dynamic folding mechanisms that allow transitions between deployed and collapsed positions. The seat includes movable segments connected by hinges with safety features, enabling the seat to adapt its configuration while maintaining child safety through controlled motion paths and eliminated pinch zones
2Volume of stationary object
If horizontal stacking of shopping carts is implemented, then storage space is minimized, but the structural integrity and aesthetics of the carts may be compromised
Solution Approach 1:
The shopping cart gate utilizes a nested structure where the child seat folds into the gate assembly itself. When collapsed, the seat segments nest within the gate's structural framework, allowing the entire assembly to maintain a compact profile suitable for horizontal stacking while preserving the cart's structural integrity through integrated support elements
Solution Approach 2:
The child seat structure is merged with the gate assembly, combining two functional elements into a unified structure. This integration allows the seat to collapse within the gate's footprint and enables horizontal stacking of carts without compromising either the seat's safety features or the cart's structural strength
3Reliability
If a single-piece gate with child seat is used, then manufacturing complexity increases, but child safety and durability are improved
Solution Approach 1:
The single-piece gate is segmented into functional zones including the primary panel, child seat segments, and mounting features. This segmentation is achieved through injection molding techniques that create distinct functional areas within a single molded piece, improving child safety by eliminating assembly joints while managing manufacturing complexity through standardized mold designs
Solution Approach 2:
The gate utilizes composite material construction combining rigid structural elements with softer safety surfaces in a single molded piece. This composite approach improves durability and child safety by integrating impact-absorbing materials with structural support elements, while managing manufacturing complexity through co-molding or overmolding processes
Data Source
AI summary
A shopping cart includes a wheeled base, two support masts, a basket, and a gate. The two support masts are coupled to and extend upwardly from the wheeled base. The basket is coupled to the two support masts and extends over the wheeled base to define a compartment having a rear opening. The gate includes a primary panel and a child seat. The primary panel is rotatable between a first position, covering the rear opening, and a second position extending above the compartment. The child seat extends from a front surface of the primary panel and into the compartment when the primary panel is in the first position. The child seat comprises a bottom panel, a back, and side panels. The bottom panel and opposing side panels collectively form a child seat surround extending from a first side of the primary panel to a second side of the primary panel.