Curved Exercise Bar With Multiple Grip Angles
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Solution Overview
Problem
Traditional weightlifting barbells are limited in use and cause joint stress when performing arm and shoulder exercises due to fixed grip angles, restricting range of motion and proper form.
Innovation Solution
An exercise bar with multiple curved sections forming various gripping options and angles, allowing for increased utility, comfort, and range of motion, featuring aligned straight ends, outer and inner curved grips, and a central curved section for balanced gripping and weight distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a straight bar is used for weightlifting, then the bar is simple in structure and easy to manufacture, but it causes joint stress and limits range of motion when performing arm and shoulder exercises
Solution Approach 1:
The patent applies curvature to the bar by incorporating multiple curved grip sections (outer curved grips, inner curved grips, and central curved section) instead of a completely straight bar. This curvature allows the bar to accommodate natural joint angles and range of motion during arm and shoulder exercises, reducing stress on wrists, rotator cuffs, and elbows while maintaining structural integrity and manufacturability
2Device complexity
If a fixed grip angle bar is used, then the bar structure is simple, but it offers limited gripping options and reduces exercise versatility
Solution Approach 1:
The bar is segmented into multiple distinct grip sections with different orientations and curvatures: outer curved grips extending from straight ends, inner curved grips extending from outer curved grips, and a central curved section joining the inner grips. Each section provides a different gripping angle and position, allowing users to select the most appropriate grip for specific exercises, thereby increasing versatility without excessive complexity
Solution Approach 2:
The patent adds dimensional variety to the grip configuration by creating grips that extend in multiple directions and orientations along the bar's length. The curved sections create three-dimensional gripping surfaces at various angles, transforming a one-dimensional straight bar into a multi-dimensional gripping structure that accommodates diverse exercise requirements
Data Source
AI summary
An exercise bar comprising a pair of axially aligned straight ends for holding weights. An outer pair of curved grips extends inward from said straight ends, and an inner pair of curved grips extending inward from said outer pair of curved grips such that a first pair of parallel grips are formed that are generally perpendicular to said straight ends. A central curved section joins said inner pair of curved grips such that a second pair of parallel grips are formed that are generally perpendicular to said straight ends.