The goal of this project was to capture more of the knife market outside of the USA. Since the only 'locking' mechanism allowed all across the globe is the slip-joint (it doesn't actually lock, the lock slips closed), we decided to design one. The question that came across my desk was "is there a way we can solve the fundamental problem with this style of lock? i.e. can we make it easy to open and hard to shut?"
The answer is yes. Through the use of a little bit of clever geometry and math I designed a cam spring system that takes half as much force to open as it does to close. Thus improving on one of the oldest and most prevalent knife 'locking' mechanisms in the world.
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SOG SlipTron
This is another patent pending device for me. One of the most ubiquitous folding knife mechanisms in the world is the slip joint knife. In fact this is the only folding knife 'locking' mechanism allowed in most of the world. Unfortunately these types of knives are notoriously difficult to open. The most often said complaint is that they love the knife but they hate having to lose a finger nail every time they want to open it. This fixes that problem.
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