Pivotable Footrest Assembly for Natural Rowing Motion
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Solution Overview
Problem
Traditional rowing boat footrests do not allow for the movement of a rower's foot relative to the footrest, limiting power and efficiency during the rowing motion.
Innovation Solution
A pivotable footrest assembly with a stationary support member and a footrest member that allows pivotal movement about a pivot axis extending through the shoe, enabling the rower's foot to pivot naturally during rowing strokes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed footrest with shoe retaining straps is used, then the shoe is held securely against the footrest surface, but the rower's foot cannot move or pivot with the natural rowing motion
Solution Approach 1:
The footrest member is made pivotable about a pivot axis that extends through the shoe, transforming the fixed footrest into a dynamic structure that moves with the rower's foot during the rowing stroke. This allows the foot to pivot naturally while maintaining secure retention through the strap mechanism throughout the motion range.
2Adaptability or versatility
If a simple angled footrest surface is provided, then the structure is simple and easy to manufacture, but it does not accommodate various rower sizes or optimize rowing stance
Solution Approach 1:
The pivotable footrest member allows adjustment of the foot angle to accommodate different rower preferences and body types, providing adaptability without requiring multiple fixed-position footrests for different sized rowers.
Solution Approach 2:
The single pivotable footrest assembly serves multiple functions: it provides a stable base, allows natural foot pivoting motion, accommodates various rower sizes through the range of motion, and maintains shoe retention throughout the stroke, replacing what would otherwise require multiple specialized components.
3Power
If the footrest is fixed in place, then the structure is stable and reliable, but it limits power exertion during the rowing stroke
Solution Approach 1:
The pivotable footrest member provides structural stability through its defined pivot axis while enabling dynamic foot movement that allows full power exertion during the rowing stroke. The footrest remains securely attached to the boat structure while the footrest member itself can pivot to follow the natural arc of foot motion.
Data Source
AI summary
A rowing boat footrest assembly includes a stationary support member and a footrest member. The stationary support member is configured and arranged for coupling to a boat structure with a pivot axis extending through a portion of the stationary support member. The footrest member has a footrest surface coupled to the stationary support member for pivotal movement about the pivot axis. The footrest member is configured and arranged to support a shoe such that with the shoe positioned on the footrest surface the pivot axis extends laterally through the shoe between a sole of the shoe and an upper surface of the shoe.