Modular Latch Bar Segmentation for Locker Adaptability
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Solution Overview
Problem
Existing latch systems for lockers are not adaptable to various sizes and lack security, as they require multiple shapes and lengths of segments, and existing solutions do not effectively prevent separation of segments once installed.
Innovation Solution
A modular latch bar system comprising a central segment connected to a locker handle and extension segments with T-shaped locking tabs and recesses for a friction fit, along with triangular guides that align with locker frame tabs to secure the door, ensuring the latch bar can be easily combined for different locker sizes and securely retained in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single latch bar design is used for all locker sizes, then manufacturing simplicity is improved, but adaptability to different locker heights deteriorates
Solution Approach 1:
The latch bar is divided into multiple segments that can be connected in different combinations. Each segment has standardized features (T-shaped tabs and recesses) that allow them to be assembled into latch bars of various lengths suitable for different locker heights, while maintaining manufacturing simplicity through standardization.
Solution Approach 2:
The latch bar segments are designed with universal connection features that allow the same segment design to be used across all locker sizes. The T-shaped tabs and recesses create a standardized interface that works for any combination of segments, making the system universally applicable to all standard locker heights.
2Adaptability or versatility
If multiple segment shapes and lengths are provided for different locker sizes, then adaptability is improved, but device complexity deteriorates
Solution Approach 1:
Rather than creating entirely different latch bar designs for each locker size, the system segments the latch bar into modular units with standardized connection features. This allows adaptability through combination rather than through diversity of segment types.
Solution Approach 2:
All latch bar segments use the same T-shaped tab and recess design, creating homogeneous connection features across all segments. This uniformity reduces the number of unique part types needed while maintaining the ability to create various total lengths for different locker sizes.
3Ease of operation
If segments are easily separable for assembly, then ease of operation is improved, but reliability deteriorates
Solution Approach 1:
The latch bar is segmented into separate pieces that can be easily assembled during installation, yet the T-shaped connection features provide secure mechanical interlocking that prevents accidental separation during use.
Solution Approach 2:
The T-shaped tab and recess act as an intermediary mechanical feature that facilitates easy assembly during installation while providing secure retention during operation. The geometry of the T-shape allows simple insertion but resists withdrawal forces.
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 modular latch bar system provides a secure, adaptable solution for all standard locker sizes, requiring minimal segment types and lengths, with a snap-fit mechanism that resists over 500 pounds of force to separate segments and ensures proper alignment for complete door closure.
Implementation Method 1
The T-shaped recess is sized and configured to receive the T-shaped locking tab and create a friction fit between the T-shaped locking tab and segment having the T-shaped recess.
Implementation Method 2
This post may be configured to create a snap fit with the T-shaped locking tab.
Data Source
AI summary
A modular latch bar is formed from a first segment that is configured to be connected to a locker handle and one or more extension segments which are attached to the first segment. One of the segments has an elongated body having a front surface, a back surface, a first end and a second end; and a T-shaped locking tab extending from the first end. Another segment has an elongated body having a front surface, a back surface, a first end and a second end. This segment has a T-shaped recess on the back surface. The T-shaped recess is sized and configured to receive the T-shaped locking tab and create a friction fit between the T-shaped locking tab and segment having the T-shaped recess. A post may be provided in the recess that fits into a hole in the T-shaped locking tab to provide a snap fit connection.