Stacking Panel Door Cam Levers for Higher Vertical Clearance
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Solution Overview
Problem
Existing vertically moving doors, when opened, limit vertical clearance due to their horizontal layout, and require replacement of the entire door when damaged, which is inefficient and costly.
Innovation Solution
A vertically stacking panel door system with cam levers that separate and stack panels, using end caps with wheels and cam levers to lift and guide each panel into a horizontal position, allowing for customization and retrofitting to existing doors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a single-piece horizontal door is used, then the door structure is simple, but vertical clearance is limited
Solution Approach 1:
The door is divided into multiple independent panels that can be separated and stacked vertically. Each panel is connected through end caps with cam levers, allowing individual panels to be lifted and positioned above the track, thereby increasing vertical clearance while maintaining structural integrity through the stacking mechanism.
2Ease of repair
If a single-piece door is used, then manufacturing is simple, but repair costs are high when damaged
Solution Approach 1:
The door is segmented into replaceable panels with standardized end caps. When damage occurs, only the affected panel needs to be removed and replaced rather than replacing the entire door. The standardized connection mechanism allows for easy panel exchange while maintaining the overall door structure.
3Volume of moving object
If panels are separated and stacked vertically, then vertical clearance increases, but the lifting mechanism becomes complex
Solution Approach 1:
The end caps incorporate cam levers that rotate dynamically during the door opening operation. As the door opens, the cam levers automatically lift the panels and guide them into the horizontal position above the track. This dynamic mechanism eliminates the need for separate lifting devices while achieving vertical clearance.
Solution Approach 2:
The cam lever mechanism is designed to automatically perform the lifting and positioning function as part of the normal door opening operation. The panels self-lift and self-position through the cam lever action, eliminating the need for external lifting mechanisms or additional actuators.
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
Provides increased vertical clearance and reduces repair costs by enabling panel-by-panel replacement, with noise dampening and efficient operation through cam lever mechanisms.
Implementation Method 1
The vertical door guide and horizontal door guide may be designed to cause the cam lever to rotate. The rotation of the cam lever may lift and separate adjacent panels of the door.
Implementation Method 2
The ramp may be designed to work with the wheels on the end caps to easily guide each panel in a vertically stacking position.
Implementation Method 3
The end caps may be designed to minimize noise during stacking and to maintain an aligned position as the door is opened and closed.
Data Source
AI summary
In example implementations, a vertical stacking door includes an end cap that is coupled to a panel. The end cap includes a body portion, a cam lever to rotate around an axis to generate a lift force to lift and separate an adjacent panel of a plurality of panels of the vertical stacking door, a first track wheel, a second track wheel, and a third track wheel.