Boat Stand Base with Offset Legs for Compact Stacking
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Solution Overview
Problem
Existing boat stands face challenges in compact stacking due to interference between legs, support columns, and base members, leading to inefficient storage space utilization.
Innovation Solution
The design of a boat stand base with angled and offset support legs, crimped ends, and notched base members allows for compact stacking by minimizing interference between components, enabling closer alignment of support columns and legs when stacked.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If boat stand bases are stacked to minimize storage space, then storage efficiency is improved, but interference between legs, support columns, and base members prevents compact stacking
Solution Approach 1:
The support legs are divided into two distinct pairs with different lengths and attachment positions. The first pair attaches at a first distance from the top end, while the second pair attaches at a second distance greater than the first distance. This segmentation allows the legs to be offset from each other, eliminating interference when stacking multiple boat stand bases vertically.
Solution Approach 2:
The patent introduces a vertical dimension offset by attaching legs at different heights (distances from the top end) along the support column. This dimensional differentiation in the vertical direction allows the legs to clear each other during stacking, transforming a two-dimensional stacking problem into a three-dimensional solution that eliminates component interference.
2Volume of moving object
If support legs are positioned close to the top end of the support column, then the boat stand is more compact in use, but stacking becomes difficult due to leg interference
Solution Approach 1:
The support legs are segmented into two pairs with different attachment positions. The first pair attaches closer to the top end for compactness in use, while the second pair attaches further down the support column. This segmentation creates vertical offset that prevents leg interference during stacking, resolving the contradiction between compactness and stackability.
Solution Approach 2:
Different portions of the support legs have different attachment characteristics. The first pair of legs attaches at a different location (first distance from top) compared to the second pair (second distance from top). This local differentiation in attachment quality allows the structure to be compact when in use while enabling easy stacking when not in use.
Data Source
AI summary
A boat stand includes a base that stacks compactly when not in use. The base comprises a vertical support column, a first pair of support legs extending from the support column in a first direction relative to a transverse plane of the boat stand, and a second pair of support legs extending from the support column in a second direction relative to the transverse plane. The first pair of support legs connect to the support column at a first distance from a top end of the support column. The second pair of support legs connect to the support column at a second distance from the top end of the support column greater than the first distance so as to enable compact stacking of two or more boat stands.