Rope guides for pole saw tree pruner
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Rings that snap on to a telescoping tree pruner pole that provides a guide channel for the lopper pull rope.
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- Printables
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- Outdoor & Garden
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- Creative Commons — Attribution
I ended up having a lot of tree damage this winter so for the first time in years I had to go find a very long pole saw. I quickly remembered how annoying it was to deal with the rope.
Mostly done as an exercise to learn freecad 1.x, I created some rings that snap onto the pole and keeps the rope close to the pole and mostly in check. It seems to work reasonably well so far.
This must be printed in petg or similar else it will just snap when you try to open the split ring.
Note that the photo attached is of a previous revision. the model files attached include a larger loop for the rope to run through as I was having a little binding with the old ones.
I tried to make the freecad model fully parametric to fit other poles. the stl included was made for the pole saw I got (Husky 1008 145 747 sold at Home Depot) The parameters exist on the main body of each link/master. Not entirely sure I did it the best way so I'm open to any suggestions if anyone has thoughts.
There are some issues:
The larger the ring, the less holding power the "split" provides. I ended up needing to tape the lower ring as it was pulling off frequently. Datum planes were an integral part of this learning exercise. If i were to redesign, I would probably just put a tab where a nut and bolt could be used to hold it together.
The tips of the ring split are a little... stabby. Recommend chopping the sharp tips off or taping as mentioned above. I couldn't find a good way to do that in freecad.
The top ring interferes with the pully if it is too close. In storage I consider it a feature since it prevents the rope from being pulled accidently quite as easy.