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I find I have little patience with slow machinery. Yes, it only takes a few seconds for the automatic paper towel dispenser to dispense a towel for me, but that's too long.
Instead of a little motor slowly winding out a paper towel, use a little motor to slowly wind a spring. Then when the ir sensor
notices your hand approaching, use the power of the spring to quickly spit out a paper towel.
Automatic IR-based paper towel dispenser
http://www.instruct...Y/Things-Needed.jpg
for [po] [Worldgineer, Dec 30 2010]
[link]
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what is a motorised paper towel dispenser? can't you just *pull*? |
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& impatient wet hands is/are just pervy! |
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now you're just being difficult! |
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[po] Nope, you'll break it. The automatic ones have little infrared sensors, and when they sense your hands they wind out a towel. Then you pull, to shear the sheet from the roll. |
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but why motorise something when you can just pull!? sounds pretty half-baked to me - lovely to see you again though! |
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The pull type seem to break often. I assume someone thought this motorized version could reduduce operator error. Of course that's only if you don't end up pulling before it's done dispensing because you're impatient. |
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how can you break a block of tissues that you just pull? that's silly. |
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Ah, I thought you were talking about the old type of automatic paper towel dispensers. I assume the main goal behind automatic paper towel dispensers is to use a cheaper continuous roll of paper towels. |
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Or maybe it's all just marketing. |
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I don't mind the speed so much as the pre-specified amount per swipe/tug.
They should be swipe dependent, as in; he longer you hold your hand over the sensor the longer the sheet it spits out, up to a maximum of course. |
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I have to agree with [po]. Variable-length, variable-rate, on-
demand paper towel dispensing has been accomplished here
in the UK by means of an entirely manual system, which is far
more sophisticated than anything based on simple
electronics. |
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I believe in the idea of making the task of
grabbing for the paper towel faster, less thought,
less electrical brain energy used, less hand to eye
power, the point being less stress. Let's put a
pneumatic pump on the floor, and the foot
actuated press would send the towel out, and no
need to tear the towel free from a roll. One
quarter of a second after the floor to towel
button is hit the saved compressed air shoots out
the towel, into the air, and the hand grabs it,
eight to ten inches or so away from its roll. The
test for the machine would be to perform tasks a
thousand times and then find out with the
training and the knack for doing it what time is
gained. The paper towel could be the string, the
tool, the bag, or any number of things, especially
in processes that are duplicated hundreds of
times a day or week. A partial second of time
saved is still a creation of wealth. This wealth can
be converted to ice cream, which can be a royal
mess to tidy up, which is why we need the device. |
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