Projector Lift Stabilizer Linkage for Precise Ceiling Positioning
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Solution Overview
Problem
Existing projector lift systems lack effective stabilization mechanisms, particularly when raising and lowering projectors from ceilings, which can lead to instability and make servicing difficult.
Innovation Solution
The use of scissor mechanisms with extendable stabilizers and L-shaped links between the ceiling and projector mounts, along with a lift assembly and cable system, provides stable and adjustable support for projectors, allowing for smooth raising and lowering while enabling service access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a projector is hung from the ceiling using a simple lift mechanism, then installation is simple and cost is low, but stability is poor and positioning is inaccurate
Solution Approach 1:
The patent applies dynamics by making the stabilizer links extendable and adjustable in length. The stabilizer links can be extended or retracted depending on the projector's position (ceiling-mounted vs. floor-standing), allowing the system to adapt its structural characteristics dynamically. This enables the lift mechanism to maintain stability across different configurations without requiring a completely different design for each application.
Solution Approach 2:
The patent segments the stabilizer system into multiple independent links that can be adjusted individually. Each stabilizer link connects to the projector mount at different points, creating a distributed stabilization system. This segmentation allows for fine-tuned positioning and stability adjustment, resolving the contradiction between simple installation and stable operation.
2Ease of repair
If the projector is lowered close to the floor for servicing, then service access is improved, but stability and positioning accuracy deteriorate
Solution Approach 1:
The stabilizer links dynamically adjust their length based on the projector's vertical position. When the projector is lowered for servicing, the stabilizer links extend to maintain optimal geometric relationships, preserving stability even at lower positions. This dynamic adjustment ensures that service access is improved without sacrificing positioning accuracy or structural stability.
Solution Approach 2:
The patent changes the geometric parameters of the stabilizer system by extending the stabilizer links as the projector is lowered. This parameter change compensates for the increased distance from the ceiling mount, maintaining the structural rigidity and positioning accuracy needed for stable operation, while still allowing the projector to be accessed for servicing.
3Adaptability or versatility
If fixed-length stabilizer links are used, then the structure is simple, but the system cannot accommodate different projector positions
Solution Approach 1:
The stabilizer links are designed to be extendable and adjustable, transforming from fixed-length components to dynamic, variable-length elements. This allows the same stabilizer structure to accommodate both ceiling-mounted and floor-standing projector configurations, as well as intermediate positions, without requiring multiple different stabilizer sets.
Solution Approach 2:
The stabilizer link system is designed with universal applicability across different projector mounting scenarios. By making the stabilizer links adjustable in length, a single stabilizer assembly can serve multiple functions: providing stability for ceiling-mounted projectors, supporting floor-standing configurations, and enabling intermediate positioning for servicing. This multi-functionality resolves the contradiction between adaptability and structural simplicity.
Data Source
AI summary
According to the present disclosure, a projector lift is provided to raise and lower a projector from the ceiling. The projector lift includes a ceiling mount normally coupled to the ceiling, a projector mount supporting the projector, a lift assembly configured to raise and lower the second mount and projector, and a stabilizer extending between the ceiling and projector mounts.