Swing Training Device Spool Release Mechanism
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Solution Overview
Problem
Current swing training devices, such as those described in U.S. Pat. No. 6,863,616, fail to provide a consistent and repeatable 'release' point for the wrists during a golf or baseball swing, leading to inconsistent performance and difficulty in mastering proper technique.
Innovation Solution
A swing training apparatus comprising an upper assembly connected to the user's arm and a lower assembly connected to the forearm, featuring a spool mechanism with teeth and a pawl system that ensures consistent 'release' by using a lever and springs to control the rotation of spools, allowing for precise adjustment of the 'release' point through an adjustable strap and line system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a trigger line and ratchet mechanism are used to release the ratchet wheel, then the device can provide a release mechanism for training swing, but the release point becomes inconsistent and non-repeatable on subsequent swings
Solution Approach 1:
The patent changes the parameter of the release mechanism from a variable trigger line system to a fixed geometric system. The release point is determined by the fixed distance between the pivot point and the release point mark on the club, ensuring consistent geometric parameters for each swing rather than relying on variable line tension and ratchet engagement.
Solution Approach 2:
The patent extracts the variable elements (trigger line and ratchet wheel) from the release mechanism and replaces them with a fixed geometric reference system. The release point is now determined by the fixed position of the release point mark relative to the pivot point, removing the source of inconsistency.
2Measurement precision
If the trigger line pull varies during the swing return, then the ratchet release point varies, but this makes it difficult to teach and learn the exact release point
Solution Approach 1:
The patent uses visual markers (colored tape or markings) on the club shaft at the release point location to provide a clear visual indication of when to release. This visual cue system makes it easy for learners to identify the exact release point without having to understand complex mechanical mechanisms.
Solution Approach 2:
The patent creates a simplified visual copy or representation of the release point through markings on the club, allowing learners to easily identify and replicate the correct release timing without needing to understand the underlying mechanical variations.
3Stability of the object's composition
If both trigger line and ratchet line apply opposing forces to the ratchet wheel, then the mechanism can function, but the varying pull on return varies the release point
Solution Approach 1:
The patent eliminates the need for counteracting forces by using a fixed geometric reference system. The release point is determined by the fixed position of the release point mark, which acts as a stable reference that does not vary with swing dynamics or line tension.
Solution Approach 2:
The patent segments the swing analysis into distinct phases with a clear geometric marker at the release point. The release point mark divides the club shaft into segments, providing a clear visual boundary that indicates the exact moment of release independent of mechanical forces.
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 apparatus provides a consistent and repeatable 'release' point, helping users develop a proper swing technique by ensuring accurate wrist release timing, enhancing both force and accuracy in golf and baseball swings.
Implementation Method 1
a pawl that selectively engages the teeth of the first spool to prevent rotation of the first spool
Implementation Method 2
The apparatus includes a first spool having teeth along an exterior, a portion of the first line being wrapped around the first spool within the housing
Implementation Method 3
The apparatus comprises a lever positioned adjacent to the pawl, wherein rotation of the second spool in a first direction retracts the second line into the housing and the lever ratchets on the second spool
Data Source
AI summary
A swing training apparatus includes an upper line from an upper assembly to a housing of a lower assembly. A first line extendable from the housing may be connected to a sporting implement. A second line extendable from the housing may be connected to the upper line. A first spool, second spool, lever, and pawl are located within the housing. The rotation of the first spool permits the extension of the first line. The pawl is biased to prevent the rotation of the first spool. Tension in the second line cause the rotation of the second spool, causing the lever to engage a portion on the pawl to disengage the pawl and permit extension of the first line. The first and second spools, lever, and pawl are configured to permit the extension of the first line at the proper “release” point during the swing of a sporting implement.