Belt-Driven Camera Mount for Dynamic 2D Time-Lapse Motion
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Solution Overview
Problem
Current time-lapse photography setups are limited to static or translational movements of the image-capture device, which restricts the dynamic movement and visual effects, especially for objects positioned far away from the device.
Innovation Solution
A mount system with a bracket assembly and drive shaft mechanism that allows for 2-dimensional movements, including rotation and translation, enabling dynamic positioning of the image-capture device through a belt-driven system with a rotational wheel and stationary wheel, facilitating more complex and dynamic time-lapse photography.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the image-capture device is held static or moved only translationally, then the device structure remains simple, but the visual effects are limited and dynamic movement is restricted
Solution Approach 1:
The mount system employs nested rotational mechanisms where an inner rotational wheel rotates about a first axis, and an outer bracket assembly rotates about a second axis perpendicular to the first. This nested configuration enables complex 2D movement patterns while maintaining a compact structure that does not significantly increase overall device complexity
Solution Approach 2:
The system transitions from static or simple translational movement to dynamic multi-axis rotational movement. The drive shaft mechanism with belt-driven rotational wheels enables the image-capture device to perform complex dynamic movements including rotation about multiple axes, significantly enhancing versatility while keeping the mechanical structure manageable
2Adaptability or versatility
If translational movement is used, then the mount structure is simple, but the movement effect is only noticeable for objects positioned relatively close to the device
Solution Approach 1:
The system adds rotational dimensions to the traditional translational movement. By enabling rotation about a first axis through the drive shaft and rotational wheel, and rotation about a second perpendicular axis through the bracket assembly, the system creates movement effects in multiple dimensions that are visible for objects at various distances, not just close objects
3Adaptability or versatility
If complex rotational movements are enabled, then dynamic time-lapse photography is enhanced, but the device complexity increases
Solution Approach 1:
The drive shaft mechanism serves multiple functions: it drives the rotational wheel for rotation about the first axis, and through the belt connection, simultaneously enables rotation about the second axis via the bracket assembly. This multi-functional design achieves complex movement capabilities without proportionally increasing device complexity
Solution Approach 2:
The belt acts as an intermediary element that transfers rotational motion from the drive shaft to both the rotational wheel and the bracket assembly. This intermediary mechanism efficiently transmits power to enable complex movements while keeping the drive mechanism itself relatively simple and manageable
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables dynamic movements of the image-capture device, allowing for more versatile and visually engaging time-lapse photography by enabling 2-dimensional movements and rotational adjustments, enhancing the capture of distant objects and creating unpredictable and dynamic footage.
Implementation Method 1
a belt entrained around the stationary wheel and the rotational wheel
Data Source
AI summary
A mount comprises: a bracket assembly for holding an image-capture device; a drive shaft rotatably coupled to a stationary wheel for rotation of the drive shaft relative to the stationary wheel about a drive shaft axis; a support member coupled to the drive shaft to rotate about the drive shaft axis therewith, the support member extending radially away from the drive shaft axis; a rotational wheel rotatably coupled to the support member for rotation of the rotational wheel relative to the support member about a rotational wheel axis radially spaced apart from, and parallel to, the drive shaft axis, and coupleable to the bracket assembly such that rotation of the rotational wheel about the rotational wheel axis causes corresponding rotation of the bracket assembly about the rotational wheel axis; and a belt entrained around the stationary wheel and the rotational wheel.