Keyed Burner Grate Locking for Childproof Cookware Retention
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Solution Overview
Problem
Existing stovetop safety devices do not adequately prevent children from accidentally tipping or pulling cooking vessels off the stovetop, leading to burn injuries, as they lack specific failsafe mechanisms for protecting small children.
Innovation Solution
A childproof safety grate and cookware system featuring a keyed safety locking member that couples to the cookware and a burner grate with a grate locking component, allowing the cookware to be securely locked and positioned to prevent accidental removal, utilizing a stem and block mechanism for secure engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing stovetop safety devices are used, then some protection for adult users is provided, but failsafe mechanisms specifically protecting children from stovetop related burn injuries are lacking
Solution Approach 1:
The safety locking mechanism is divided into separate components: a locking member attached to the cookware and a corresponding locking component on the burner grate. This segmentation allows the child safety feature to be added as a distinct module rather than redesigning the entire stovetop system, thereby improving child protection while managing complexity through modular design.
Solution Approach 2:
The safety locking member acts as an intermediary between the cookware and the burner grate, providing a mechanical connection that prevents child access. This intermediary component translates the simple act of placing cookware on the grate into a secure locked position, achieving reliable child protection through a dedicated mediating element.
2Reliability
If a keyed safety locking member is added to prevent children from pulling cookware off the stovetop, then child safety is improved, but the device complexity increases
Solution Approach 1:
The locking member features an asymmetric keyed design where the keyway orientation and shape are specific to prevent unauthorized removal. This asymmetric geometry ensures that only the corresponding keyed locking component can secure the cookware, providing reliable child protection through inherent mechanical asymmetry that prevents accidental or intentional removal by children.
Solution Approach 2:
The safety locking member is pre-configured with the keyed interface before use, and the locking action is automatically engaged when the cookware is placed on the burner grate. This preliminary configuration eliminates the need for additional steps or complex controls during operation, achieving child safety through pre-set mechanical engagement rather than requiring complex user interaction.
3Reliability
If the keyed block member is inserted into the keyed slot and rotated 45 degrees or more to lock the cookware, then the cookware is securely locked, but the ease of operation is reduced
Solution Approach 1:
The keyed block member and keyed slot are designed with curved or rounded geometries that guide the rotation motion. The 45-degree rotation requirement is facilitated by the curved profile of the keyed interface, which naturally guides the user through the locking motion while ensuring secure engagement. This curved design makes the rotation more intuitive and easier to perform than a sharp-edged or linear locking mechanism.
Solution Approach 2:
The locking mechanism transitions from a static insertion to a dynamic rotational engagement. The keyed block member is first inserted vertically, then rotated 45 degrees to engage the locking component. This dynamic two-stage motion provides reliable security while maintaining ease of operation by breaking down the locking action into simple, sequential movements that are easier to perform than a single complex operation.
Data Source
AI summary
Embodiments of the invention relate to a safety grate and safety cookware system. More particularly, the present invention relates to a safety cookware device having a heated cookware appliance and a keyed safety locking member, and a keyed safety burner grate having an outer frame, raised metal fingers, a grate locking component connected to the first rail member and the second rail member, the grate locking component may include a keyed slot for receiving the keyed block member when inserted into the keyed slot.