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The idea
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Marc Grue, inventor of the Double Trolley, explains how the project started:
"Jazz bassist Jesper Carlsen had converted a laundry basket trolley into a transportation device for his double bass (see left). I borrowed it from him and rolled my bass with it to and from orchestra rehearsals and concerts.
At that time I was looking for a high, adjustable stool to sit on, but I couldn't really find one high enough. One day I was looking at the laundry trolley and thought: It should be possible to put a seat on the top!" |
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| Marc Grue with his double bass on the laundry trolley in 1992. |
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Marc Grue continues:
"I dropped another rebuild of the laundry trolley and went on with the possibilities of making a collapsible combined stool and trolley.
After a while I imagined the horrifying scenario of how the two legs (or rather wheels!) could roll out from under me during a concert!!
I therefore explored the idea of taking off the wheels instead. This was the birth of the Double Trolley and I started to work on the first prototype."
See how the prototypes of the Double Trolley were modified and improved over a period of 5 years! |
| One of many sketches for a collapsible combined trolley/stool (the seat is touching the shoulder of the bass). |
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I got the Double Trolley and it works very well!
It is built more firmly and so easier to move the instrument and to sit on than I thought.
Among all, I'm surprised at that it can make sharp turns so I can move the instrument in narrow
space like a corridor in my home. All of my colleagues admired it, and some of them said they would like to buy it.
Today, when I took this picture, there was a slight strong earthquake, but my instrument which was standing
with the trolley didn't fall down!
Yosuke Yamazoe
Japan
More reviews..
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