Spring-Biased Sleeve for Rapid Threaded Fastener Installation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for installing threaded fasteners, especially in horizontal or upward orientations, often result in the fastener slipping out of engagement with the bit, requiring manual operator intervention and inefficient processes.
Innovation Solution
A bit holder apparatus with a spring-biased sleeve that automatically transitions from an extended to a retracted position, ensuring the fastener remains engaged with the tool bit and securely sunk into the working surface, featuring a magnetic bit holder, locking assembly, and a non-scratch polymer sleeve for enhanced stability and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sleeve is used to support the threaded fastener, then the fastener remains engaged with the tool bit, but the sleeve requires manual operation by the user
Solution Approach 1:
The sleeve is equipped with a spring mechanism that automatically extends and retracts the sleeve based on the fastening process stage, eliminating the need for manual operation. The spring biases the sleeve to extend during fastener insertion and automatically retracts when the fastener is driven into the workpiece, making the system self-regulating.
Solution Approach 2:
The sleeve transitions from a static component to a dynamic one by incorporating a spring mechanism that allows automatic movement between extended and retracted positions. This dynamic behavior enables the sleeve to adapt its position based on the fastening process requirements without manual intervention.
2Reliability
If downward pressure is applied on the threaded fastener, then the fastener maintains position during threading, but horizontal or upward fastening causes the fastener to slip out of engagement
Solution Approach 1:
The apparatus is designed to function across multiple fastening orientations (vertical downward, horizontal, and upward) by using a spring-biased sleeve that provides consistent support regardless of orientation. The sleeve's automatic extension and retraction mechanism adapts to different gravitational and force vectors, making the tool universally applicable to various fastening scenarios.
3Reliability
If the sleeve extends beyond the tool bit, then the fastener is supported throughout the threading process, but the operator involvement increases
Solution Approach 1:
The spring mechanism automatically controls the sleeve's extension and retraction based on the fastening process stage, eliminating the need for manual operation. The spring biases the sleeve to extend during fastener insertion and automatically retracts when the fastener is driven into the workpiece, making the system self-regulating.
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
Facilitates rapid and secure installation of threaded fasteners on vertical or overhead surfaces by eliminating the need for manual sleeve operation, ensuring consistent engagement and reducing operator involvement, while maintaining fastener visibility and preventing scratching.
Implementation Method 1
A spring biases the sleeve into the extended position
Implementation Method 2
the bit holder is magnetic
Data Source
AI summary
An apparatus for rapid installation of threaded fasteners is provided. The apparatus includes a drive portion configured for being received by a rotary tool, a bit holder extending from the drive portion and configured for receiving a tool bit, the bit holder defining an elongate portion, and a sleeve configured for translatable movement along the elongate portion. The sleeve has a first extended position in which an end of the sleeve extends substantially beyond the tool bit and a retraction position in which the sleeve does not enclose the tool bit. A spring biases the sleeve into the extended position. Pressing of an end of the sleeve against a working surface imparts translation of the sleeve in a direction from the extended position towards the retracted position.