Window Actuator Linkage Assembly for Chain Alignment Adjustment
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Solution Overview
Problem
Misalignment between the actuator chain linkage and the window chain linkage in motorized window actuators, particularly when the actuator is mounted unexposed and recessed into the fixed frame, leads to binding issues, improper closure of the window, and potential security and weatherproofing breaches, exacerbated by thermal stresses and installation inaccuracies.
Innovation Solution
A window actuator linkage assembly comprising barrel brackets, a mounting bracket, and a clamping plate, which facilitates alignment of the actuator chain by using aligned openings and fasteners to secure the brackets in position, ensuring proper alignment and rotation of the window without binding, even under thermal stress and installation inaccuracies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the actuator is mounted unexposed and recessed into the fixed frame part of the window, then the aesthetic appearance and security are improved, but the alignment between the actuator chain linkage and the window chain linkage deteriorates, causing binding issues
Solution Approach 1:
The linkage assembly is divided into separate components: a mounting bracket that attaches to the moveable window portion, and barrel brackets that connect the chain linkage to the mounting bracket. This segmentation allows each component to be optimized independently and facilitates alignment adjustment without requiring precise pre-positioning of the entire actuator assembly.
Solution Approach 2:
The mounting bracket acts as an intermediary component between the moveable window portion and the barrel brackets. It provides a stable attachment point that can accommodate alignment variations and transmit forces efficiently, mediating between the recessed actuator mounting and the chain linkage connection points.
2Ease of manufacture
If imprecise surface mounting or machining occurs, then installation flexibility is improved, but the alignment precision deteriorates, causing chain binding and improper window closure
Solution Approach 1:
The mounting bracket is designed with slots or adjustment features that allow dynamic repositioning of the barrel brackets relative to the moveable window portion. This enables installers to adjust the alignment after mounting, compensating for imprecise surface mounting or machining variations without requiring complete disassembly or remounting.
Solution Approach 2:
The design allows for parameter adjustments in the positioning of the barrel brackets through the mounting bracket structure. By changing the relative positions of connection points within acceptable ranges, the system can accommodate variations in mounting precision while maintaining proper chain alignment and preventing binding.
3Area of stationary object
If multiple actuators are used on large windows, then the coverage area is improved, but the alignment consistency deteriorates, causing out-of-plane bending forces and potential glass breakage
Solution Approach 1:
The mounting bracket and barrel bracket assembly serves as a universal interface that can be applied to multiple actuators on large windows. The standardized design with adjustment capabilities ensures that each actuator can be independently aligned to the same specifications, maintaining consistency across multiple connection points and preventing differential forces that could cause glass breakage.
4Manufacturing precision
If the chain linkage has misalignment, then the tolerance requirements are relaxed, but the window closure function deteriorates, allowing water, air and noise intrusion
Solution Approach 1:
The adjustable mounting bracket allows dynamic alignment correction during installation and maintenance. By enabling position adjustments of the barrel brackets, the system can compensate for misalignment issues that would otherwise compromise window closure, ensuring that the chain linkage properly engages with the moveable portion across the full range of motion.
Data Source
AI summary
A window actuator linkage assembly that includes barrel brackets, a mounting bracket, and a clamping plate for fastening to a moveable portion of a window that facilitates adjustment of the alignment of a chain extending from an actuator positioned on or within a fixed portion of a window to the window actuator linkage assembly. A window actuator linkage assembly can also include elements such as barrel brackets that have openings to receive a fastener, a T-shaped base, and a slotted base bracket having an inner surface that slidably engages with the T-shaped base, and is configured to fix the T-shaped base in a desired position along the length of the slotted base bracket.