Elastic Resistance Cord Handle With Movable Gate
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Solution Overview
Problem
Elastic resistance cord training systems face challenges in designing handles that allow quick and easy cord removal and installation while securely attaching the cord ends during use.
Innovation Solution
The handle design features a movable gate with cord channels and a detent arm, allowing for easy cord insertion and secure attachment by sliding the gate from an open to a closed position, with dividers and grooves providing a conical tapering holder to prevent cord pull-out.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid molded plastic handle is used, then the handle provides structural strength and durability, but the cord removal and installation process becomes difficult and time-consuming
Solution Approach 1:
The handle is segmented into a stationary handle body and a movable gate component. The gate can be opened to allow cord insertion and removal, then closed to securely hold the cord. This segmentation allows the handle to provide structural strength when closed while enabling easy cord operation when opened.
Solution Approach 2:
The gate is designed to be movable between open and closed positions through gate slots in the handle body. This dynamic element allows the handle to transition between a secure closed state for structural integrity and an open state for easy cord installation and removal.
2Ease of operation
If a flexible strap-type handle is used, then the handle provides ease of cord insertion, but the handle lacks structural strength and stability during use
Solution Approach 1:
The handle combines a rigid handle body for structural strength with a movable gate mechanism that provides ease of operation. The segmentation allows each component to fulfill its specific function - the body provides strength while the gate provides operational ease.
Solution Approach 2:
The gate acts as an intermediary element between the user and the cord attachment mechanism. It provides a controlled access point for cord insertion while maintaining the structural integrity of the overall handle assembly during use.
3Reliability
If the gate is kept closed to secure the cord, then cord attachment is secure, but cord installation and removal becomes difficult
Solution Approach 1:
The gate is designed as a dynamic component that can be easily opened for cord installation and removal, then closed to secure the cord. The movability through gate slots allows rapid transition between secure and accessible states.
Solution Approach 2:
The separation of the gate from the main handle body allows independent movement of the gate without affecting the structural integrity of the handle. This segmentation enables easy opening and closing actions for cord management.
4Ease of operation
If the gate is made movable to enable easy cord changes, then cord installation becomes easy, but the risk of accidental cord detachment increases
Solution Approach 1:
The gate's movability is controlled through defined gate slots that guide the opening and closing motion. This controlled dynamics ensures the gate can be easily opened for installation but closes securely to prevent accidental detachment during use.
Solution Approach 2:
The gate design includes features that prevent accidental opening through preliminary anti-action - the gate must be deliberately opened against the natural closing force to remove or install a cord, preventing unintentional cord detachment during exercise use.
Data Source
AI summary
A handle for an elastic resistance cord training system includes a grip on a handle frame adjacent to a first end of the handle frame. A base is provided on the handle frame adjacent to a second end of the handle frame, with the base having one or more one cord channels. A gate is movable or slidable on the handle frame from an open position where the gate is substantially spaced apart from the cord channel, to a closed position wherein the gate overlies the cord channel. With the gate in the open position, the cords can be quickly and easily swapped out.