h a l f b a k e r yIt's as much a hovercraft as a pancake is a waffle.
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All worm gear hose clamps with which I am familiar have
a
screw or hex drive head tangential to the outside of the
clamp, and orthogonal to the axis of the cylinder being
clamped. [link]
In some applications, there is little space to use a tool to
adjust the screw clamp (imagine a clamp
in a recessed
hole with limited clearance.)
I propose adding a bevel gear set [link2] to the clamp in
order to allow adjusting the clamp along an axis at right
angles to the conventional head (either on a radius of
the
clamp or parallel the the clamp axis.)
Worm Gear Hose Clamp
https://www.google....hose+clamp&tbm=isch
Conventional orientation [csea, Nov 07 2013]
Bevel Gears
https://www.google....AQ&biw=1137&bih=747
Useful for right-angle drive [csea, Nov 07 2013]
[link]
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This would also help prevent the inevitable loosening experienced with the tangential kind [+]. |
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If your worm clamps are coming loose then they're either
not rated for the pressure they're containing or you're not
tightening them enough. You gotta crank those suckers
down until the hose rubber herniates through the
perforated band. That deformation is what 'sets' the clamp. |
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Oh sure, I've tightened those things until the screw head strips. I'm not a professional or anything, but I imagine that normal pressure fluctuations in the hose may be what tends to work them loose. |
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[porpoise], it's a rather unorthodox procedure, but you
might try rolling up the excess band with needlenose pliers
and jamming it under the screw head with a chisel. |
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They really aren't the optimal fitting for pressurized lines,
but I realize they're usually the best you can get at a
hardware store. If you use them a lot and they're becoming
a hassle, look into folding-band or crimp clamps. |
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Crimp clamps are great, apart from the need for a hydraulic tool to fit them, and the fact that they're most definitely single-use. |
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There are a style of hose clamps (which I believe are called
'crimp collars') that require only a woodchuck crimper to
mash down the 'ears' on each side. |
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It's a vice-like contraption used to crimp the heads
of woodchucks. |
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I believe it's part of their adulthood rite, but seems a bit cruel to me. |
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We call those Jubilee clips in the UK. |
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This idea seems to fit here as it is trying to solve a problem that doesn't exist. Right angle ratcheting screwdrivers and small ratchets and sockets have been around for a long time and do very nicely getting at clamps in all kinds of positions.
Band type clamps are better and easier on hoses, too. (+) for the complexity. |
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I've yet to meet a wormgear hoseclamp that I wouldn't have been happier with as the post proposes, even if I had a sideways ratcheting screwdriver already. |
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Apparently 'woodchuck pliers' is a colloquialism for pinch
pliers (aka pinch crimpers). |
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The hose clamps I'm thinking of are called pinch collars or
ear clamps. Anyway, they're better than worm clamps but
still kind of annoying. Hex crimp is the way to go if you're
invested. |
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The one's used for pre-mix pop lines are called Oetiker clamps and Oetiker pliers. Is that what you mean? |
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I bunned this idea but wondered why you can't use a screwdriver or nutdriver from one angle with existing hose clamps but attack them from the side with either a socket driver or a ratcheting spanner? |
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I would extend this idea to create a differential hose clamp. |
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The bevel gear would turn two opposed worm gears of slightly different pitch, both working on the same band which is now a double loop (the excess band of the worm gears being 'joined up'). |
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This would permit ludicrous amounts of tightening power. It might be a little difficult to construct the continuous band though. |
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Very similar, [fries], but not as complicated. If memory
served oetiker clamps have little square perforations to
lock the band in place, while the pinch collar is thick
enough to simply stay crimped on its own. |
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