Identical Shaft Coupler Assembly for Secure Tool Connections
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Solution Overview
Problem
Existing shaft couplers for tools require unique coupling members and distinct manufacturing methods, leading to increased costs and complexity in production and assembly.
Innovation Solution
A shaft coupler design featuring identical coupling members with spaced-apart coupling flanges and projections, allowing for interchangeable and cost-effective coupling of shaft segments using a single part, with fasteners for secure engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If unique coupling members are used for each shaft connection, then the coupling can be securely engaged, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent applies universality by designing identical coupling members that can be used for all shaft connections in the tool assembly. Each coupling member has the same structure with coupling flanges, projections, and recesses that allow them to function interchangeably at different connection points, eliminating the need for unique coupling members for each shaft connection while maintaining secure engagement through standardized fastening mechanisms
2Reliability
If unique coupling members are used for each shaft connection, then the coupling can be securely engaged, but the manufacturing cost increases
Solution Approach 1:
The patent applies universality by designing identical coupling members that can be used for all shaft connections in the tool assembly. Each coupling member has the same structure with coupling flanges, projections, and recesses that allow them to function interchangeably at different connection points, eliminating the need for unique coupling members for each shaft connection while maintaining secure engagement through standardized fastening mechanisms
3Reliability
If multiple different coupling members are manufactured, then specific shaft connections can be optimized, but the assembly time increases
Solution Approach 1:
The patent applies universality by designing identical coupling members that can be used for all shaft connections in the tool assembly. Each coupling member has the same structure with coupling flanges, projections, and recesses that allow them to function interchangeably at different connection points, eliminating the need for unique coupling members for each shaft connection while maintaining secure engagement through standardized fastening mechanisms
Data Source
AI summary
A shaft coupler, a tool and a method of assembling a tool. The shaft coupler may generally include substantially identical coupling members operable to couple two shaft segments of a tool. The shaft coupler may include a first coupling member including a first body having a first coupling end and an opposite first shaft end defining a first opening configured to receive a first shaft segment; and a second coupling member including a second body having a second coupling end and an opposite second shaft end defining a second opening configured to receive a second shaft segment. The first coupling member and the second coupling member may be identical. The first coupling end may be configured to engage the second coupling end to selectively couple the first coupling member to the second coupling member and, thereby, the first shaft segment to the second shaft segment.