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There were grounds by a way of thinking of the universal design that Ronald L.Mace proposed "the scissors which
were kind to all people" in a theme, and Hasegawa Cutlery
and tripod design developed it jointly. |
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As a big factor obstructing usefulness of scissors, as for one,shape of a handle.
Because a handle part is thin as for the normal scissors,
you must lift it at a finger-tip though you pick it up when you put a desk or the ground on a plane.
More one factor, power to be necessary you open scissors,and to be closed. For the person whom a grip is weak in,a pain is big opening than being closed. |
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We designed the castanets scissors ground two theme that wereshape of handles and supporting power to open the scissors.
We got rid of a way of thinking that put a finger in two rings like traditional scissors, and pursued the shape that was
easy to grasp. So we understood that was easy to grasp a spherical thing most. So we cut off a globe in half, and attached
a blade, and, installed one of the spring, and each was able to open and close. |
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However, a hand has been sandwiched in between a handles in opening and shutting. In addition, it have fallen down when put desks on a plane because it is spherical.
So we smoothed off an edge so that a hand was not sandwiched in and was stable even if put it on top and bottom both sides more by making a flat part.
By this improvement, you only push it from the top and run out even if you do not grasp a handle. We installed two springs in order to move smoothly and reduce load. |
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Weakness of scissors with spring is a problem receiving how.
There were many scissors which stop opening with a lock.
But it is difficult that lock and remove it by small work to the person who does not move so that a finger-tip thinks or the person whom eyesight is weak.
We wanted to get rid of work to lock, so we were able to safe keepingeven an opene by taking a cover of a blade.
Then movement to take off a cover occurs this time.
You have main body and both cover in a hand to take off a cover and are not good that you do not pull it.
You have to main body and both cover in a hand in order to take off a cover and pull it.
We thought that this action is still burdened you and devised it we covered it and to cut.
We made a cutting guide to a cover, so you are able to advances and cutting. A finger does not enter between blades that covered
and is reliable in use of a child. Of course you can use it with normal scissors in the same
way if you take off a cover.
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A sound sounds whenever cutting by a pretty design as castanets.
It is most suitable for a present and a gift.
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We made a cutting guide to a cover, so you are able to advances and cutting.
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Because of corted with fluorine to the back of the blade,
paste does not stick to it.
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Scissors open with a spring naturally.
We installed two springs in order to move smoothly and reduce load. |
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Universal design
