Motorcycle Footrest Hook and Clasp Restraint
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Solution Overview
Problem
Existing mechanical foot restraints for motorcycles fail to provide easy entry and exit, adequate vertical restraint, and allow for seamless operation of foot controls during rough terrain riding, posing safety concerns.
Innovation Solution
A mechanical hook and clasp system that securely attaches a rider's footwear to the footpeg, allowing engagement and disengagement in multiple directions, providing vertical restraint while enabling easy access to gear shift and brake controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical foot restraint is implemented to maintain foot contact during rough terrain, then rider safety and control are improved, but the complexity of the device increases and may interfere with foot control operation
Solution Approach 1:
The restraint system is divided into separate components: a footpeg with a vertical restraint element and footwear with a corresponding engagement feature. This segmentation allows each component to be simple while the combination provides the required restraint function.
Solution Approach 2:
The vertical restraint function is extracted as a separate element from the footpeg, allowing it to be independently designed and engaged only when needed, rather than integrating it into the entire foot control system.
2Ease of operation
If the foot restraint allows easy entry and exit, then ease of operation is improved, but the vertical restraint capability may be compromised
Solution Approach 1:
The restraint system transitions between engaged and disengaged states dynamically. The footwear can be easily inserted to engage the restraint and removed to disengage it, allowing the system to adapt between ease of operation and restraint capability as needed.
Solution Approach 2:
The footpeg is pre-configured with the vertical restraint element in position, so that when the footwear is inserted, the restraint is automatically engaged without requiring additional actions from the rider.
3Reliability
If the restraint system provides adequate vertical restraint, then rider safety is improved, but the ability to quickly exit the restraint for control operation may be reduced
Solution Approach 1:
The restraint mechanism is segmented into a fixed footpeg component and a movable footwear component. This allows the footwear to be quickly removed from the restraint without moving the entire restraint system, minimizing exit time.
Solution Approach 2:
The footwear acts as an intermediary that can be independently inserted and removed from the footpeg restraint, allowing quick engagement and disengagement without affecting the permanent footpeg structure.
Data Source
AI summary
A restraint is configured to restrain a rider's footwear to a motorcycle footpeg along at least a nearly vertical first axis. The footpeg extends away from the motorcycle along a second axis. The restraint is based upon a combination of a hook and a clasp. The restraint can be engaged by linearly moving the footwear alternatively along either of two axes including the first axis, and a third axis that is mutually perpendicular to the first and second axes. The restraint may also be disengaged by linearly moving the footwear along the third axis. The third axis generally passes from the heel to toe of the footwear. Moving the footwear in a backward direction (toe to heel direction) engages the restraint; moving the footwear in a forward direction (heel to toe direction) disengages the restraint.