Ceiling Track Latch With Audible Lock Feedback
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Solution Overview
Problem
Ceiling mounted curtain tracks pose safety risks due to the difficulty in accessing and securing the hinged sections for loading and unloading curtains, with existing latching mechanisms being ambiguous and unreliable.
Innovation Solution
A simple and reliable locking mechanism using a generally oval shaped lock knob with elastically deformable side walls, producing an audible sound when locked, and visible tip projection for clear indication, facilitating easy operation from the floor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a latching mechanism is used to secure the hinged section, then the hinged section can be locked in alignment with the track, but it becomes difficult to determine if the mechanism is locked and the latching is unreliable
Solution Approach 1:
The patent uses visual indicators such as color-coded elements or visible alignment features on the lock knob and receiver to provide clear indication of the locked state. When the lock knob is properly inserted and rotated, visual cues (such as colored rings, arrows, or alignment marks) become visible or change position, allowing the operator to easily detect that the hinged section is securely latched without ambiguity.
2Ease of operation
If the lock knob is made easy to rotate, then it can be operated from the floor, but the locking engagement may become weak
Solution Approach 1:
The patent applies different material properties to different parts of the locking mechanism. The lock knob is made of a soft, easily rotatable material (such as plastic or rubber) for ease of operation, while the internal locking components (such as the cam mechanism, latch arm, or engagement surfaces) are made of hard, strong materials (such as metal) to provide secure locking engagement. This local differentiation of material quality allows the knob to be easily operated from the floor while maintaining strong locking strength.
Solution Approach 2:
The locking mechanism employs composite construction combining materials with different properties. The lock knob assembly may integrate a plastic or rubber outer knob for easy rotation with an internal metal mechanism for strong engagement. Alternatively, the receiver or locking components use composite materials that provide both the necessary mechanical strength for secure locking and the appropriate friction characteristics for reliable engagement disengagement.
3Ease of operation
If the hinged section is lowered for access, then loading and unloading is easier, but the section must be securely re-locked to prevent safety hazards
Solution Approach 1:
The patent incorporates feedback mechanisms that provide immediate confirmation when the lock knob is properly inserted and rotated into the locked position. This may include audible clicks, visual indicators (such as colored rings aligning or arrows pointing to 'locked' positions), or tactile feedback (such as a detent or spring mechanism that engages). This feedback ensures the operator receives clear confirmation that the hinged section is securely latched before moving away, eliminating ambiguity and preventing safety hazards from improper locking.
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
The mechanism securely locks and releases the hinged section with clear indication, reducing safety risks and operational difficulties, allowing easy access and secure alignment of the curtain track.
Implementation Method 1
the side walls are spaced from the axis of rotation of the lock knob such that they are elastically forced outward by the tips of the lock knob as the lock knob rotates
Implementation Method 2
when the tips seat in the gaps and at least a portion of this elastic deformation is relieved an audible sound is produced
Data Source
AI summary
The present disclosure is concerned with an improved latching mechanism for the hinged section of a ceiling track for traveling curtain. The latching mechanism is designed to make a readily audible sound when it is locked. It is based upon a generally oval shaped lock knob which passes through a generally oval shaped aperture in the bottom wall of a receiver for the lock knob. The aperture is designed so that when the lock knob is rotated its long axis no longer aligns with the long axis of the aperture it can no longer pass through the aperture. The bottom wall of the receiver carries two upwardly extending side walls that must be pushed outward to allow the passage of the lock knob as it rotates and that carry gaps that accommodate the tips of the lock knob and allow the side walls to move back toward their undeformed position.