"Contraption" means for the grip with your hands: which will facilitate the work - a review
In this article, I will for you to review the universal means for the grip with your hands. This tool can do with your hands, and it is designed to work with pipes and cylindrical workpieces.
(How does this work will show at the end)
In the review, I'll walk you to the tool, Give their subjective assessment and to draw conclusions that can be useful for you.
Idea
Evaluation 3 of 5
Quite often I, and probably you have to deal with pipes or other objects of cylindrical shape. In order to cut the correct size pipe, bend it or cut threads, it is necessary to secure, and very hard.
Make it a normal grip is problematic enough, the pipe is likely to bend or slip. Skilled craftsmen are used for this pro tool - pipe vise, which can fix the pipe securely.
If you rarely work with cylindrical objects and the purchase of pipe vise is not included in your plans, the author of the invention may well be useful to you. Having a common gripe and versatile addition to the clutches their own hands you can widen the front of locksmithing.
The only thing I did not like, is that the handle of this device is clamped in a vise ordinary. When working with a pipe she can fly out of the rut, as applied to the pipe are very large effort.
Therefore, the idea I put the author of 4 points
Design
Evaluation 2 of 5
The design of this add-on for the grip seemed cumbersome and ill-conceived.
the author used the 4 steel plates, joined them in pairs, leaving between them a short distance, and in the middle of small welded corners for the manufacture of this device.
A sponge, to which is welded a handle made of a square tube. Along the edges of the jaws drilled holes, with one end fastened plate with holes, with another author established nut, which is welded to the threaded rod.
On the rod is screwed a cylindrical handle with an internal thread, and sponges of this device can be tightened. I think that with such a pen would be difficult to tighten the sponge, as the hand will slide off.
The distance between the jaws author proposes to change with the help of a plate with holes. And if we need to set the distance that corresponds to the average between the holes? It turns out that we again can not properly tighten the jaws, and the tube during the processing time will pop up.
All professional grip on the lips do notches or rubber pads for a good grip. Author did neither the one nor the other. Design, in my opinion, need to be finalized.
In the meantime, the author I put 2 points.
Design
Evaluation 2 of 5
Unfortunately, this device for clutches remained without coloring. Therefore, only 2 points.
analogs
Grade 5 of 5
The analogue of this device are a pipe vise. However, not everyone can afford them because of the high cost.
If you do not often work with pipes or similar items of cylindrical shape, it is a versatile addition to the vise their own hands It is useful to you and take a worthy place in the workshop.
Total
Grade 12 20
Versatile addition to the vise their own hands gaining 12 out of 20 points. Perhaps, for this invention, and can draw attention, but only after processing.
video source and images for the critical review: https://www.youtube.com/watch? v = rziA6IUxwIw