Ball Retainer Latch for Telescopic Slide Reinsertion Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In telescopic slides, the bearing retainer often gets misaligned during reinsertion of the inner slide member, leading to potential damage due to its smaller size compared to the inner slide member, and existing mechanisms do not effectively prevent this misalignment.
Innovation Solution
A bearing retainer lockout feature is introduced, comprising a latch arm coupled to a slide member that can insert into a cutout of the bearing retainer, providing a gravity-biased mechanism to secure the retainer in place, preventing misalignment and damage during reinsertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the bearing retainer is made smaller to fit within the slide member, then the space utilization is improved, but the alignment precision deteriorates during reinsertion
Solution Approach 1:
The latch arm is pre-positioned on the outer slide member before the inner slide member is reinserted. This preliminary positioning ensures that when the inner slide member is inserted, the bearing retainer is already guided into the correct alignment by the latch arm, preventing misalignment issues that would otherwise occur due to the small size of the retainer
Solution Approach 2:
The latch arm acts as an intermediary element between the outer slide member and the bearing retainer. It provides a physical guide and constraint that mediates the alignment process during reinsertion, allowing the small bearing retainer to be accurately positioned without requiring high precision manual alignment
2Device complexity
If no retention mechanism is provided, then the device complexity is reduced, but the reliability of bearing retainer positioning deteriorates
Solution Approach 1:
The latch arm utilizes the existing gravitational force and the natural insertion motion of the inner slide member to automatically engage with the bearing retainer. The system serves itself by using the operational motion to achieve the retention function without requiring additional actuators, motors, or complex control mechanisms
Solution Approach 2:
The latch arm changes its positional parameter from a retracted state to an extended state that engages with the bearing retainer. This parameter change is triggered by the insertion motion itself, providing a simple yet reliable retention mechanism that adapts to the operational state of the slide assembly
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 latch arm effectively locks the bearing retainer in position, ensuring proper alignment and preventing damage during the reinsertion process, enhancing the reliability and durability of the slide assembly.
Implementation Method 1
the latch arm may be biased by gravity into either cutout, depending on orientation of the slide assembly in space
Data Source
AI summary
A slide assembly has a gravity biased latch arm on a slide member with a head having opposing barbs each insertable into a respective one of opposing cutouts in a bearing retainer of the slide assembly to provide a bearing retainer function. The latch arm and the cutouts in the bearing retainer are positioned such that the latch head may enter a cutout when an inner slide member is removed from the slide member. The use of dual barbs and opposing cutouts allows for unhanded operation of the bearing retainer function.