Telescoping Tool Stick With Pulley-Driven Simultaneous Extension
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Solution Overview
Problem
Existing extendable stick systems are cumbersome and time-consuming to assemble, often requiring multiple segments and external actuators, making them impractical for handheld operations and storage.
Innovation Solution
A telescoping stick system with a pulley system that allows simultaneous extension and retraction of its members, featuring a nested design with increasing cross-sectional diameters and a button assembly for locking various positions, enabling efficient length adjustment without the need for external actuators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If multiple extendable segments are used to achieve extension, then the stick can reach distant locations, but the assembly process becomes cumbersome and time-consuming
Solution Approach 1:
The patent implements a telescoping mechanism where multiple stick segments are nested within each other in a telescopic nesting formation. The segments can be extended and retracted simultaneously through a pulley system, eliminating the need for step-by-step assembly of multiple segments and significantly reducing assembly time while maintaining the capability to reach distant locations.
Solution Approach 2:
The patent combines multiple extendable segments into a single integrated telescoping structure that operates as one unified mechanism. Instead of requiring separate assembly operations for each segment, the entire extension process is merged into a single simultaneous action driven by the pulley system, reducing both complexity and time.
2Reliability
If external actuators are used to extend the stick, then the extension mechanism is reliable, but the device becomes large, heavy and impractical for handheld operation
Solution Approach 1:
The patent employs a self-contained pulley system that uses the stick's own structural components to achieve extension and retraction. The pulley mechanism is integrated within the stick body itself, utilizing the existing segments and their nesting arrangement to create a self-service extension mechanism that eliminates the need for heavy external actuators while maintaining reliability.
Solution Approach 2:
The patent replaces complex external mechanical actuation systems with a simplified pulley-based mechanical advantage system. The pulley mechanism provides reliable extension through mechanical advantage while being lightweight and integrated into the stick structure, substituting the need for heavy motors, gears, or external actuators.
3Length of moving object
If traditional telescoping mechanisms are used, then the stick can be extended, but the mechanism becomes large and heavy
Solution Approach 1:
The patent uses a compact nested arrangement where segments are telescoped within each other in a space-efficient configuration. This nesting approach allows the stick to achieve significant extension length while maintaining a compact collapsed size and avoiding the need for large, complex mechanical structures.
Solution Approach 2:
The patent divides the stick into multiple manageable segments that can be independently controlled through the pulley system. This segmentation allows for compact storage when collapsed while enabling extended length when needed, and the segmented structure simplifies the overall mechanism compared to a single-piece design.
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 system provides a lightweight, efficient, and versatile extendable stick that can be easily adjusted to multiple lengths, enhancing usability and storage convenience by eliminating the need for multiple segments and external actuators.
Implementation Method 1
A pulley system is disposed within the elongate body, wherein the pulley system is in operative communication with the first, second, and third members of the elongate body to extend the first member and the third member simultaneously outwardly from the elongate body
Data Source
AI summary
An extendable stick includes an elongate body comprising a first member, a second member, and a third member arranged in a telescopic nesting formation. A pulley system is disposed within the elongate body, wherein the pulley system is in operative communication with the first, second, and third members of the elongate body to extend the first member and the third member simultaneously outwardly from the elongate body and retract the first member and the third member simultaneously inwardly from the elongate body.