Accidental closing

11.01.2017

Accidental closing and correct use during force

If you study the sakhome.com you will find information at different places about accidental closing and correct use.

The Swiss Army Knife spring for the slip-joint construction is advanced and it can be made to have additional contact areas or parts that can help for preventing accidental closing. Lock to prevent this does not have to be a liner that supports the tang. It can also be like the Wenger design with a push lock design to prevent accidental closing.

On the picture you can see two giants in the evolution on a larger professional outdoors design.

It is unavoidable during force with push and turning motion that the function may close in. That is called accidental closing and the result may be injury or damage.

It is not possible to turn a flat head screw design without pushing towards it. Because it is a slip-joint design and the support is on the back of the function it is unavoidable that the function will close in where it is not supported. With practice it is possible to have a rather secure turning without a lock because the design of the construction with the tang, rivet and support is balanced as best possible.

The dimension on the slip-joint spring follows the size of the function itself and for what can of use it is intended.

At some point a locking mechanism must be made to prevent accidental closing and best performance. Wenger had already made push lock designs on the 85mm knives from the early 1980s and Victorinox has made different additional parts to avoid accidental closing on their knives in history.

The large Ranger Wenger knives incorporated the push lock design because it is unavoidable. The correct use for turning a screw must involve a pushing with the hand if not the screwdriver will slip out of the track and you get problems.

Swiss Army Knives got precision in the assembly, riveting, slip-joint spring. The Wenger spring is very advanced to able to take the push lock design. When you push it will enter the correct angle and be locked into the spring, rivet and construction.

The liner lock for the Victorinox flat screwdriver is very interesting and it is made exactly for all the correct reasons.

 

To better understand the reasons for locking mechanisms i have made some new pages lately:

epitome

survival

 

 

15:52

Survival is not complicated at all and it is not about much money at all.  Some tools can be the difference between life and death.

On the picture you can see the picture I made with for the survival article.

The next picture is about another factor that is important and that is to be able to swim and that is one of the best survival factors to know.

16.01.2021

Here you can see the 111mm and 120mm categories. Around 1990 Wenger made this category and this particular one is from 1993. From then on we see more developments and larger SAKs. The WengerGrip is larger than most things today.

Having the possibility today with two large options for the SAKs is justified. I am glad to see the development with them. The 111mm liner-lock category is not inferior to the 130mm models. Some of the larger functions save time without any doubt. I would say that the 111mm would be a bit tougher and stronger. This is best portrayed with the 111mm Soldiers knife. The two categories are not the largest anymore. The Hunter Pro models passed them with the extra robust blade. I do like knives with functions the best and the two traditional categories are still the best. Knives with functions would outperform any single blade folder. The quality on the Hunter Pro knives is very good. These are more fully dedicated knives in their philosophy. All of the larger categories can look very beautiful in the design. Victorinox continued the large flat screwdriver with cap opener and notch. This got a push lock design for preventing accidental closing. Not all of the 130mm models got this screwdriver with its additional abilities. Some are more special purpose dedicated tools. This is the same with the 111mm category too.

The Forester combines beauty with superb functionality.
Winer Master combines beauty with superb functionality and it is a very dedicated tool.

Having one of the robust and functional screwdrivers seen on top of this page can be very smart to have in a mindset.

The Hunter Pro knives are very dedicated for hunting. That said they show some remarkable signs of becoming an everyday folder too. One blade can be very versatile but would fall short of the traditional SAKs even so.

11:24

It is many times so with Swiss knives that they can do several things even if they are very dedicated for a specific task. When it is about picking the best functions of an over-all mindset then some functions are more important than others. Several of the 111mm and 130mm categories today got the complete package for such. Many times I look to the Spartan and Camper model and I can see how" they enhanced" represent many important factors. This is also the case in history and why the 111mm came to be. The 91mm and 85mm Swiss Army Knives are still superb for many things and challenges. Professional mindset and need would require tougher knives.

The secret to Victorinox is professionalism and I know I have mentioned many times about the 111mm category today. It is for sure not new in history that professional tools are the new path. It’s been a thread from the beginning. The functionality, comfort and quality today really must be said to be very high. It is not always so that it is the size and length of the functions that determine the toughness. The Wenger Titanium SAKs shows this very well with the ability for large bits. It is a compact design.

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27.07 | 19:11

Thank you, Greetings from Norway! This is very interesting I did not know this. Thanks! Best Regards

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27.07 | 18:35

Greetings from Hungary! Did you know that the head curve "inspired" the Spyderco Hungarian folder?
Exactly by a Hungarian designer who works for Spyderco (I can't remember his name)

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26.07 | 19:31

Hi, thank you very much. I am very glad to hear the infirmation is helpful. Best Regards Trond

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26.07 | 16:51

Thanks for this unvaluable information. I´ll translate to spanish for other victorinox fans.

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