Adjustable Picture Hanger With Sliding Carriage and Latch
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Solution Overview
Problem
Traditional picture frame hangers require precise measurements for initial installation and do not allow for easy vertical adjustment of the picture frame after mounting, necessitating re-nailing to change the frame's position.
Innovation Solution
An adjustable picture frame hanger with an elongate strip and carriage system that includes transverse teeth and a latch mechanism, allowing for selective adjustment of the frame's vertical position without re-nailing, featuring a keyway for orientation and a flange for securing the frame, along with a method for forming an angled aperture for secure mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional hooks are used for mounting picture frames, then the installation is simple and secure, but the picture frame cannot be adjusted vertically after mounting
Solution Approach 1:
The hanger is divided into two main segments: a stationary elongate strip mounted to the wall and a movable carriage that slides along the strip. This segmentation allows the picture frame to be adjusted vertically by moving the carriage while the strip remains fixed, providing adaptability without requiring complete reinstallation.
Solution Approach 2:
The carriage is designed to be dynamically movable along the elongate strip through a latch mechanism that can be engaged or disengaged. When the latch is disengaged, the carriage can slide to different vertical positions; when engaged, it secures the picture frame at the desired position, combining ease of adjustment with stability.
2Ease of operation
If traditional hooks require precise measurements for installation, then the mounting is secure, but any position change requires re-nailing
Solution Approach 1:
The carriage can be easily moved along the elongate strip by simply disengaging the latch mechanism, allowing quick repositioning without any tools or re-nailing. This dynamic adjustment capability significantly reduces the time and effort required to change picture frame positions compared to traditional fixed hooks.
Solution Approach 2:
The elongate strip acts as an intermediary element mounted once to the wall, while the carriage serves as a movable intermediary between the strip and the picture frame. This intermediary system eliminates the need for direct re-attachment to the wall when adjusting positions, saving time and effort.
3Adaptability or versatility
If the hanger allows vertical adjustment, then flexibility is improved, but the risk of accidental disengagement increases
Solution Approach 1:
The latch mechanism is designed with a bias that keeps it naturally engaged with the transverse teeth on the elongate strip, providing reliable retention. However, the latch can be easily disengaged by applying modest force in the direction of movement, allowing intentional adjustment while preventing accidental disengagement through its biased design.
Solution Approach 2:
The latch mechanism incorporates a bias that cushions against accidental disengagement by requiring intentional force to overcome the bias and release the latch. This beforehand cushioning ensures that normal vibrations or minor forces during picture hanging do not cause unintended position changes.
Data Source
AI summary
A picture frame hanger is provided with an elongate strip having a base for mounting upon an upright support surface. The base includes at least one cavity extending inward from opposing surfaces to intersect and collectively form an aperture for receiving a fastener at an angle to one of the at least one cavities. The strip includes a series of teeth and a key along a length of the strip. A carriage is mounted for translation along the elongate strip, and includes a keyway that cooperates with the key for orienting the carriage relative to the strip. A flange is provided for receiving a picture frame support member. A latch is pivotally connected to the carriage for engaging the teeth. A user may disengage the latch from the strip for adjusting an upright position of the carriage. A method for forming the aperture of the elongate strip is provided.


