Undercabinet Ventilation Hood Mounting for Single-Installer Alignment
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Solution Overview
Problem
Existing methods for mounting ventilation hoods above cooking appliances require two people to secure, are prone to misalignment due to the use of paper templates, and involve tedious measurement and cutting of filler strips, making the process inefficient and difficult for a single installer.
Innovation Solution
A system and method utilizing support brackets and flexible tabs or feet to align and secure a ventilation hood to a cabinet, allowing a single person to mount it efficiently by using pre-formed holes and snap-connectors, eliminating the need for templates and filler strips.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a paper template is used for mounting, then alignment can be established, but misalignment occurs due to creases and improper cuts
Solution Approach 1:
The patent replaces the fragile paper template with a rigid template that can be repeatedly used without degradation. The rigid template maintains its dimensional accuracy and alignment markings across multiple installations, eliminating the creases and improper cuts that plague paper templates.
Solution Approach 2:
The template includes pre-marked drilling locations and alignment features that are prepared in advance. This preliminary preparation ensures that installers don't need to measure or mark during installation, reducing human error and ensuring consistent alignment across different installations.
2Adaptability or versatility
If larger holes are drilled to accommodate misalignment, then alignment tolerance is improved, but the mounting structure becomes less precise
Solution Approach 1:
The patent replaces the mechanical alignment system (drilled holes and washers) with a template-guided system where alignment is established through the rigid template's pre-marked positions. This substitution eliminates the need for oversized holes and washers, maintaining precise hole placement while providing alignment tolerance through the template's design.
3Ease of manufacture
If filler strips are measured, cut and installed, then proper framing is achieved, but installation time and complexity increase
Solution Approach 1:
The patent extracts the complex filler strip measurement, cutting, and installation process from the mounting procedure. The rigid template directly provides the necessary framing reference without requiring separate filler strips, eliminating this time-consuming step while maintaining proper framing.
Solution Approach 2:
The template combines multiple functions into a single component: it provides alignment markings, drilling location guidance, and framing reference all in one element. This merging eliminates the need for separate filler strips and multiple measurement steps, reducing installation time and complexity.
4Ease of operation
If two people are used for mounting, then the ventilation unit can be held and secured, but labor requirements and installation complexity increase
Solution Approach 1:
The rigid template is installed and secured before the ventilation unit is mounted. This preliminary action establishes all alignment references and drilling locations in advance, allowing a single installer to work efficiently without needing a second person to hold the unit during alignment operations.
Solution Approach 2:
The template system is designed to be self-aligning and self-guiding, with features that automatically ensure proper positioning. This self-service capability eliminates the need for a second person to assist with alignment and positioning, reducing labor requirements while maintaining mounting feasibility.
Data Source
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AI summary
A ventilation hood (70) is mounted to an underside of a cabinet (25), including a bottom panel (79) and a lower support frame (82) positioned above a cooking appliance (2), by first and second brackets (94) secured below the cabinet at spaced positions aligned with outermost edge portions (89) of the lower support frame (82) and at least one fastener assembly secured to a front portion of the ventilation hood. Multiple embodiments are disclosed for the at least one fastener assembly, including tabs (100, 162, 163, 175) bent from a housing of the ventilation hood (70), feet (189) threadably attached to the hood, mounting blocks (230, 231) including snap connectors, threaded fasteners, and pinned bolts.