Modular Camera Dolly Rails and Clamps for Confined-Space Tracking
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Solution Overview
Problem
Current skater dolly systems for cameras are cumbersome to assemble, costly, limited in flexibility, and not suitable for confined spaces, with rail-to-rail distance restrictions and limited motorization options.
Innovation Solution
A skater dolly system comprising adjustable rails and clamps that allow for parallel, series, and end-to-end configurations with a short rail distance, combined with a motorized option for hands-free propulsion, enabling versatile use in confined spaces with easy assembly and portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rails and couplers are used to secure the skater dolly, then the camera can move along a predetermined path, but the system becomes cumbersome and difficult to assemble
Solution Approach 1:
The rail system is divided into multiple modular sections that can be easily connected and disconnected. Each rail segment is designed with standardized connection interfaces, allowing the system to be assembled in confined spaces without requiring complex coupling mechanisms. This segmentation enables flexible configuration while maintaining structural integrity for stable camera movement.
Solution Approach 2:
The clamp mechanism serves multiple functions: it secures rails to surfaces, connects rail segments together, and provides adjustment capabilities. This multi-functional design eliminates the need for separate couplers and mounting hardware, simplifying assembly while ensuring reliable camera movement along the predetermined path.
2Reliability
If traditional rails with standard rail-to-rail distance are used, then the skater dolly can support camera equipment, but the system cannot be used in confined spaces
Solution Approach 1:
The rail-to-rail distance is made adjustable rather than fixed. The clamp mechanism allows the rails to be positioned at various distances apart, enabling the system to adapt to confined spaces while still providing adequate support for camera equipment. This dynamic adjustment capability maintains structural integrity regardless of the rail spacing.
3Device complexity
If fixed-length rails are used, then the rail structure is simple, but the flexibility with respect to camera travel distance is limited
Solution Approach 1:
The rail system consists of multiple standardized segments that can be connected in series to achieve various total lengths. Each segment maintains a simple structural design, but the modular nature allows flexible configuration to match different camera travel requirements. This segmentation provides length variability without complicating the basic rail structure.
4Ease of operation
If the skater dolly includes motorized propulsion, then hands-free operation is achieved, but the system complexity increases
Solution Approach 1:
The motorized propulsion system is integrated directly into the skater dolly platform, merging the drive mechanism with the existing wheel and rail interface. This consolidation eliminates the need for separate drive trains and complex transmission systems, achieving hands-free operation while minimizing additional complexity. The motor is positioned to directly drive the wheels that engage with the rails.
Data Source
AI summary
A track system on which a skater dolly can roll, comprising one or more pairs of rails and one or more rail clamps. Each rail clamp supports one or two pairs of rails. Rails held side-by-side are parallel to each other. Rail clamps can also secure two rails in end-to-end configuration. The distance between rails can be about 5/16 of an inch. The track system can include a skater dolly, the load-bearing wheels of which are angled 20-30 degrees away from vertical to provide clearance past the rail clamps. The skater also has stabilizing wheels that are approximately perpendicular to the load-bearing wheels, and which secure the skater to the rails when the skater is in a non-upright e.g. upside-down orientation. The system can include a motor pulley system that moves the skater along the rails.