Locking Slide Assembly With Intuitive Push-Pull Release
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Solution Overview
Problem
Existing slide assemblies with releasable locking positions often have complex release mechanisms that require non-intuitive operator inputs, making them inconvenient for common applications.
Innovation Solution
A slide assembly with a compact and efficient releasable latch system that allows intuitive unlocking and movement by applying actuation force in the direction of intended linear movement, using a handle to switch between open and closed locking positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a releasable locking mechanism is added to slide assemblies, then the ability to lock in open or closed positions is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is divided into separate latch components (first latch, second latch, third latch) that can independently engage with corresponding stops at different positions. This segmentation allows the complex locking function to be achieved through simpler, modular components rather than a single complex mechanism.
Solution Approach 2:
The latch system is designed to automatically engage and lock at specific positions (open, closed, or intermediate) without requiring manual intervention. The latches self-engage with the stops when the slide assembly reaches the desired position, and can be released by applying force in the intended direction of movement, making the system self-servicing.
2Reliability
If a traditional release mechanism is used, then locking positions are achieved, but the ease of operation deteriorates due to non-intuitive operator inputs
Solution Approach 1:
Instead of requiring the operator to push or pull perpendicular to the movement direction to engage/disengage locks, the mechanism is inverted so that the natural pulling or pushing action in the direction of intended movement automatically releases the latches. This makes the operation intuitive and convenient.
Solution Approach 2:
The release mechanism responds automatically to forces applied in the intended direction of movement. When the operator pulls or pushes the slide assembly, the latches automatically disengage without requiring separate manual activation, making the system self-releasing based on operational intent.
3Reliability
If locking mechanisms are added to slide assemblies, then position control is improved, but the device complexity increases
Solution Approach 1:
The position control function is segmented into multiple independent latch-stop pairs, where each latch corresponds to a specific locking position (open, closed, or intermediate). This allows precise position control to be achieved through simple geometric relationships rather than complex control mechanisms.
Solution Approach 2:
The same latch system provides multiple functions: it can lock the slide assembly in open position, closed position, or intermediate positions, and also provides automatic releasing functionality. This multi-functionality is achieved through a unified latch design that interacts with different stops at different positions, eliminating the need for separate mechanisms for each function.
Data Source
AI summary
Slide assemblies having telescopic slide members, a handle assembly and open and closed positions, with either or both of the open and closed positions being a releasable locking position, while merely requiring an intuitive pushing or pulling on a handle in the direction of intended movement to both unlock and move the slide assembly from the respective optional locking position.