Hammer Drill Adaptor for Drive Cleat Installation
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Solution Overview
Problem
The existing methods for installing drive cleats in air ducts are time-consuming, difficult to maneuver, and prone to causing shoulder injuries due to repetitive manual impact, leading to potential bent cleats and inefficiency in HVAC systems.
Innovation Solution
A hammer drill drive cleat adaptor is designed to be fixed within a standard hammer drill chuck, featuring a shaft portion and a first portion with a capture cavity to securely hold and position a drive cleat, allowing the hammer drill's powered action to efficiently connect air ducts while reducing manual effort and injury risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a common hammer is used to impact a drive cleat, then the drive cleat can be forced into position to connect air ducts, but the installation process is time-consuming and may lead to bent drive cleats
Solution Approach 1:
The patent replaces the manual hammering mechanism with a powered hammer drill system. The hammer drill provides controlled, repetitive impacts through a drive cleat adaptor, eliminating the need for manual hammering while improving installation speed and precision. The powered system delivers consistent force without the variability and time consumption of manual operation.
Solution Approach 2:
The drive cleat adaptor serves as an intermediary device between the hammer drill and the drive cleat. It transfers the powered hammering action from the drill to the cleat, enabling precise control over the installation process. The adaptor includes features like a capture cavity to hold the cleat and a flange to apply biasing force, ensuring proper positioning during installation.
2Productivity
If repetitive upward shoulder force is used to swing a hammer, then the drive cleat can be impacted into position, but shoulder injuries may occur
Solution Approach 1:
The patent substitutes the human body's mechanical hammering action with a powered hammer drill system. The drill's motor-driven mechanism performs the repetitive impacting motion, completely eliminating the physical strain on the worker's shoulder while maintaining or improving installation efficiency.
Solution Approach 2:
The hammer drill system is self-powered and performs the installation work autonomously without requiring human physical effort for the repetitive impacting motion. The operator simply guides the tool and activates the trigger, allowing the machine to service itself by generating the necessary impact forces.
3Productivity
If manual hammering is used to install drive cleats, then the connection can be made, but the process is difficult to maneuver in overhead positions
Solution Approach 1:
The drive cleat adaptor acts as an intermediary that combines the drive cleat holding function with the hammering mechanism. This integrated design allows the operator to maneuver a single tool (the hammer drill with adaptor attached) to both position and install the cleat, simplifying operation in difficult-to-reach overhead positions compared to handling separate hammer and cleat components.
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
The adaptor significantly reduces installation time and effort, minimizes shoulder injuries, and ensures secure duct connections by leveraging the hammer drill's power to drive cleats into position with precision and control.
Implementation Method 1
The hammering action is typically used to provide a short, rapid hammer thrust to pulverize relatively brittle material and provide quicker drilling with less effort.
Data Source
AI summary
A hammer drill adapter for driving a drive cleat to join opposed ends of a duct comprising: a first portion generally aligned in a plane; a shaft portion having an elongate axis generally parallel to said plane; the first portion fixed to the shaft portion; an entry surface at a distal end of the first portion; a capture cavity extending through the entry surface; the capture cavity defined proximally by a rear surface and by an opposed lower and upper capture surfaces; the capture cavity also laterally defined by an opposed first capture surface and a second capture surface; the capture cavity sized to house a trailing end portion of a drive cleat; and wherein the shaft portion comprises a connection portion at a proximal end of said shaft portion for fixation within a hammer drill chuck. Also disclosed are methods for use to advance a drive cleat.