Kayak Propulsion Interface Mounting System
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Solution Overview
Problem
Existing pedal-operated propulsion mechanisms for watercraft, such as kayaks, cause damage to the hull over time due to reciprocating movement, requiring the entire hull to be replaced and complicating the manufacturing process with thermoforming.
Innovation Solution
An interface system comprising a rigid body with a deck portion, hull portion, and well, featuring a channel and fastening assembly to securely mount a propulsion mechanism, allowing for removability and reducing the need for hull replacement, while facilitating easier manufacturing by avoiding complex cuts in the hull.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the pedal operated propulsion mechanism is directly supported by and coupled to the hull of the kayak, then the propulsion mechanism is securely mounted, but the reciprocating movement induces slight movement that causes damages to the hull over time
Solution Approach 1:
The patent introduces a separate interface structure as an intermediary component between the propulsion mechanism and the kayak hull. This interface includes a receptacle that receives the propulsion mechanism and mounting features that attach to the hull, thereby mediating the connection and preventing direct coupling that causes hull damage while maintaining secure mounting.
2Ease of manufacture
If the opening for receiving the foot propulsion mechanism is carefully cut out in the hull during manufacturing, then the propulsion mechanism can be properly received, but the manufacturing process becomes slower and more onerous
Solution Approach 1:
The patent divides the mounting system into separate components: the interface structure with its receptacle and mounting features is manufactured independently from the kayak hull. This segmentation allows the hull to be manufactured using standard thermoforming processes without requiring careful cutting operations, thereby maintaining manufacturing speed while enabling proper reception of the propulsion mechanism.
3Reliability
If the entire hull must be replaced when damage occurs, then structural integrity is maintained, but the cost and complexity of repair increases significantly
Solution Approach 1:
The patent extracts the mounting function from the hull structure itself and places it in a separate, removable interface component. When damage occurs, only the interface needs to be replaced rather than the entire hull, significantly reducing repair complexity and cost while maintaining structural integrity through the durable hull design.
Data Source
AI summary
The invention relates to an interface for mounting a propulsion mechanism to a watercraft such as a fishing kayak, and to a watercraft comprising such an interface. The interface comprises a first portion including a first plate with a hole sized and shaped for receiving therethrough a portion of the propulsion mechanism, a second portion including a second plate and one channel extending from the second plate, the channel being in registry with the hole of the first portion for therein a portion of the propulsion mechanism. The interface also comprises fastening assemblies for removably fastening the second portion to the first portion of the interface, and a guiding assembly for maintaining the channel of the second portion in registry with the hole of the first portion.