Oven Door Glass Interlocking Mechanism for Proper Panel Installation
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Solution Overview
Problem
Conventional oven doors require professional assistance for cleaning and reassembly of glass panels, and there is a need to ensure proper reassembly to allow safe operation, as improper installation can prevent the oven from functioning.
Innovation Solution
An interlocking mechanism with cammed portions and horizontal surfaces on a bracket or bar, biased to guide the correct sequence of glass panel installation, ensuring proper assembly by interfering with the installation of the top cap if panels are not correctly seated, and a failsafe electrical circuit to prevent oven operation until all panels are properly installed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If glass panels are made removable for cleaning, then ease of operation is improved, but reliability deteriorates due to risk of improper installation
Solution Approach 1:
The interlocking mechanism performs preliminary action by guiding the glass panels into the correct position during insertion. The cammed portions and horizontal surfaces are pre-configured to automatically align and secure the panels before the door can be closed, ensuring proper installation is achieved before final assembly is complete.
Solution Approach 2:
The bracket with cammed portions acts as an intermediary mechanism between the glass panels and the door structure. It mediates the installation process by providing guided insertion paths and interlocking features that ensure proper panel positioning, thereby maintaining reliability while allowing removable panels for cleaning.
2Reliability
If an interlocking mechanism is added to ensure proper panel installation, then reliability is improved, but device complexity increases
Solution Approach 1:
The interlocking mechanism is segmented into distinct functional elements: cammed portions for guiding insertion, horizontal surfaces for positioning, and biasing forces for engagement. This segmentation allows each element to perform its specific function independently, making the overall mechanism more manageable and easier to manufacture despite its increased complexity.
Solution Approach 2:
The interlocking mechanism is designed to be self-servicing during installation. The cammed portions and horizontal surfaces automatically guide the glass panels into the correct position without requiring external alignment tools or complex adjustment mechanisms. The biasing force automatically engages the panels, eliminating the need for manual intervention to ensure proper installation.
3Object-affected harmful factors
If a failsafe electrical circuit is implemented to prevent oven operation, then safety is improved, but ease of operation deteriorates
Solution Approach 1:
The failsafe electrical circuit implements feedback by monitoring the position and installation status of the glass panels. Sensors or switches detect whether the panels are properly seated in the interlocking mechanism, and this information feeds back to the control system to either enable or disable oven operation, ensuring safety while automatically managing the operational restrictions.
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
Enables users to easily clean and reassemble oven glass panels while ensuring proper installation, preventing oven operation until all panels are correctly seated, thus ensuring safety and functionality.
Implementation Method 1
The bracket is biased either forward or rearward along said translation path by a biasing force such that in its fully biased position a first cammed portion of the bracket is aligned with an insertion path of a first glass panel within the door
Implementation Method 2
The first cammed portion is at an angle relative to the translation path such that on insertion of the panel a leading edge thereof will exert a downward force on the first cammed portion that urges the bracket along the translation path against the biasing force
Data Source
AI summary
Provided is a method for controlling the operation of a cooking appliance, such as an oven range. The cooking appliance includes a door with multiple spaced apart glass panels. The method uses an interlocking mechanism that interferes with the installation of at least one of the plurality of glass panels in the door if at least one of the glass panels is not installed properly. The method further uses a switch with a plunger can be installed in the door, which allows the appliance to operate only when a failsafe electrical circuit is closed corresponding to a selected position of the plunger when the door is closed. The plunger is prevented from retaining that selected position if at least one of the glass panels is improperly installed or if a top cap is not properly seated or installed above the glass panels.