Rotating Laser Level Cage for Continuous Projection
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Solution Overview
Problem
Existing laser level devices project a continuous laser plane but suffer from laser discontinuities due to the structural cage blocking parts of the laser, which limits their usability and accuracy.
Innovation Solution
A rotating laser projection assembly is integrated into the laser level device, allowing the cage to rotate and shift the location of the laser discontinuity without moving the entire device, thus maintaining a continuous laser plane at the desired location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a structural cage is used to protect the laser generator, then the device reliability is improved, but laser discontinuities are created that reduce measurement precision
Solution Approach 1:
The cage is made rotatable about a vertical axis, transforming from a static protective structure to a dynamic element. This rotation allows the discontinuities caused by the cage legs to be repositioned away from the measurement area, maintaining both protective function and laser projection continuity.
Solution Approach 2:
The solution moves the problem from the two-dimensional laser projection plane to the third dimension by rotating the cage around a vertical axis. This dimensional transition allows the discontinuities to be relocated in space without affecting the horizontal measurement plane.
2Measurement precision
If the entire device is repositioned to maintain continuous laser projection, then measurement accuracy is improved, but productivity decreases due to frequent device movement
Solution Approach 1:
The rotatable cage provides a dynamic solution that eliminates the need to move the entire device. By rotating the cage to reposition discontinuities, the device remains stationary while maintaining continuous laser projection, thus improving productivity without sacrificing measurement accuracy.
Solution Approach 2:
The rotating cage allows the operator to self-correct laser discontinuities by simply rotating the cage assembly, without requiring device relocation. This self-service capability maintains measurement continuity while preserving device position and improving workflow efficiency.
3Device complexity
If a fixed cage structure is used, then device complexity is reduced, but adaptability decreases as the laser discontinuity location cannot be adjusted
Solution Approach 1:
The cage transitions from a fixed to a rotatable structure, adding minimal mechanical complexity (rotation mechanism) while significantly improving adaptability. The rotation capability allows the discontinuity location to be adjusted to suit different measurement scenarios without overcomplicating the overall device design.
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
This solution enhances the usability and accuracy of laser level devices by allowing continuous laser projection over longer distances without the need to reposition the entire device, thereby improving work efficiency.
Implementation Method 1
the optical system comprises a cone mirror configured to generate a planar laser beam
Data Source
AI summary
Various laser level designs are shown. In one example, a laser level includes a rotating laser projection assembly to allow users to adjust the placement of the discontinuity in the projected laser plane. In another example, the laser level includes a lanyard attachment robust enough to support the weight of the laser level. The lanyard attachment includes a plurality of prongs that enhance the coupling to the housing of the device.