Self-Aligning Jamb Jack Screw With Spherical Pivot for Irregular Rough Framing
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Solution Overview
Problem
Existing window and door mounting technologies struggle with aligning appliances to rough framing that is not level, plumb, or square, and require removal of interior casings for adjustments due to framing changes caused by moisture content.
Innovation Solution
A self-aligning jamb jack apparatus with a cylindrical threaded adjustment component and a platform base that pivots around a ball or cut-off sphere, allowing adjustment without removing interior casings, and accommodating framing irregularities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional jamb jack screws are used to align windows and doors, then alignment to rough framing can be achieved, but adjustments require removal of interior casings when framing changes due to moisture content
Solution Approach 1:
The jamb jack screw is divided into multiple segments: an interior adjustment mechanism, an extendable shaft with universal joints, and an exterior engagement point. This segmentation allows the adjustment mechanism to remain accessible inside the room while the working end reaches the framing, eliminating the need to remove casings for adjustments.
Solution Approach 2:
The extendable shaft with universal joints acts as an intermediary between the interior adjustment mechanism and the exterior framing. It transmits rotational motion from the accessible interior location to the framing elements, enabling adjustments without direct access to the framing from inside the room.
2Adaptability or versatility
If traditional jamb jack screws are used, then alignment can be performed, but they cannot accommodate framing irregularities such as not being level, plumb, or square
Solution Approach 1:
Universal spherical joints are incorporated at critical connection points of the jamb jack screw. These spherical joints allow the device to adapt to angular misalignments and irregularities in the rough framing while maintaining precise alignment capability through the threaded adjustment mechanism.
Solution Approach 2:
The jamb jack screw incorporates movable and adjustable components including the extendable shaft and universal joints that can dynamically adapt to framing irregularities. The threaded mechanism provides fine dynamic adjustment capability to compensate for moisture-induced framing changes and initial irregularities.
3Ease of repair
If interior casings are removed to access adjustment mechanisms, then framing changes can be accommodated, but installation complexity and time increase
Solution Approach 1:
The adjustment mechanism is pre-positioned and made accessible during the initial installation phase without requiring casing removal. The extendable shaft is configured to reach the framing from the accessible interior location, allowing all future adjustments to be made without additional demolition work.
Data Source
AI summary
A self-aligning jamb jack apparatus with a cylindrical threaded adjustment component that has adjustment component threads on the exterior wall and smooth surface on the interior walls, the cylindrical threaded adjustment component extending through a cylinder with a smooth exterior to a ball (or cut-off sphere), the smooth surface extending through the cylinder and the ball (or cut-off sphere). The jamb jack apparatus also has a platform base with a socket configured to encompass the ball (or cut-off sphere) such that the platform base pivots around the ball (or cut-off sphere). The self-aligning jamb jack apparatus is installed in a door or window jamb (or any other appliance) to connect and regulate the space between the jamb and the rough framing.