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In some localities, householders are provided with "wheelie bins" for
garden waste.
These bins have a hinged lid.
If a bin is filled with fresh cut grass, and the lid is left propped open
with a stick, on a sunny day* the bin heats up and much moisture
evaporates, causing the contents to
shrink and allowing more
material
to be loaded.
But if it rains**, the rain wets the cuttings and accumulates in the
bin.
Not good.
BorgCo engineers have developd an automatic bin-closer to prevent
this problem. The device consists of a wooden lath, at the end of
which
is a mechanism resembling a mousetrap. This is prevented from
operating by a soluble aspirin tablet, above which is a small funnel.
When it rains, water is collected by the funnel and dripped onto the
aspirin, which dissolves. The spring is released and the arm flips the
lath clear of the bin, allowing the lid to fall shut under the influence
of
gravity***
*Readers in the UK may not be familiar with this.
**Readers in the UK will definitely be familiar with this.
***Gravity not included.
Wheelie bin
https://en.wikipedi...tainer#Wheelie_bins
Ugly doesn't come close. [8th of 7, Jun 15 2015]
[link]
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Sounds like a headache to deal with. |
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[+] A bun for an image of an interesting contraption. I hope
no one sneaks up and substitutes an insoluble aspirin. |
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The average mousetrap is triggered by sudden change,
more than by gradual change. Has this device actually
been tested? |
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/Has this device actually been tested/ |
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What, and leave the comforts of the armchair? |
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It occurs to me that a horizontal lid could
accomplish rain protection and ventilation both.
Like on the porch. |
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What if the aspirin gets mushy from the verdant
humidity coming off your mulch? |
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//Has this device actually been tested// |
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