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Sprink-L-ator

    Part of a former family business included a soft-serve ice cream stand/deli.  As the business grew and summertime sales increased to over 300 cones a day, it became apparent that a better means of topping application was needed.  At the time, the ice cream server used a spoon to scoop sprinkles on top of the cone.  Some employees were a bit sloppy with this process and sprinkles were getting everywhere, on the floor, in the deli meats, mixed with other toppings, etc.   It was a time consuming and inefficient process.  We tried rolling the cones in the topping container, but often this resulted in the ice cream falling off the cone and contaminating the bulk topping container.   This presented product loss problems, not to mention sanitary issues. Rolling the cones in the sprinkle container also excessively covered the ice cream with sprinkles; we were using about two times as many sprinkles as the spooning method, but still had to charge the same price per cone. There had to be a better way.  
     After some websurfing, a machine was found that was made for this purpose in the 1960's.  It could only be loaded with only one type of topping (chocolate sprinkles OR rainbow sprinkles OR chopped nuts OR other particulate topping).   It could only handle relatively small sized cones (our business was known for being generous with ice cream amounts on our large cones.....some cones approached the 11" mark).   The topping machine required the cones to be "tilted" when inserted into the application area, which would present a problem with the inconsistent structural integrity of our ice cream cones due to the variation in employees skill level at cone building. These machines were also REALLY hard to find.  They were no longer in production and the only distributor that could be found on the web was sold out, with no prospect for carrying them in the future.  We found one for sale on ebay, but were outbid at the last second.   So.......
    I took on the challenge of making a machine to accomplish the desired task of cone topping.  Our soft-serve counter was quite visible to customers, so I decided to have a little fun with design and incorporated LED lights and pre-recorded music as an added attraction for kids.  After many hours of engineering and machining work, I came up with a finished prototype.  It worked quite well and soon became an attraction in it's own right.   The local kids were even talking about it during the school bus ride.  Customers loved this machine.  Kids asked for sprinkle topping just to see the machine run!

The Sprink-L-ator 3000P (prototype, 1st generation <not for sale>)

 
My design had some clear advantages over anything that was known to the market:
 
Hands-free activation (saves power & helps to make for a cleaner, easier operation, plus a cone can be held in each hand & simultaneously inserted for topping application)
 
Control activation was "edge triggered", meaning the IR beam switch would start the machine as soon as the beam was "broken" and the machine would continue to cycle for a predetermined time, even if the IR beam was "un-broken" before  the timing cycle was completed.  This feature also help to maintain consistent results from different personnel, by dropping a predetermined amount of topping on each cone.
 
Standard 110VAC "house hold current" (no special/expensive wiring by electricians to provide 220v or 3 phase outlets.....although 220v units will be available by mid 2011).
 
Dual drums allow for two different topping choices from one machine

Large 11" ports allow for substantially sized cones to be processed

Easily removable drums for trouble free cleaning

"Bells & whistles" as entertainment value
 
 
 
The problem with this machine was that it was quite large & heavy.  It also had some features that were not needed (ie; adustable IR <infra-red> sensor mounts)  Because I did not plan to sell this & it was being used in a relatively small town, I used some commercially available stickers to make this machine more noticeable & more fun!

The revised models do not have the proprietary stickers and also are considerable lighter.  Materials are quite expensive so special attention was given to maximizing the structural strength-to-weight ratio.   Aluminum components offer the best solution to the design requirements at this time.

UPDATE: May 2011.

Introducing the second generation of "Sprink-L-ator" machines.  The new design allows the double drum (B2) models to weigh about 50 lbs., yet retain their structural strength by using primarily aluminum components.  A wire shelf was added to the design to make use of the space above the machine (70 lb. load max.).  Overall machine dimensions are approx. 36"x18"x19" (LxWxH).  These machines also feature really low power consumption rate.  Full load current draw is only ~ .85 amps.  (eco friendly!). 

After receiving feedback from the initial customers, design revisions have been implemented.  The current design has single direction drum rotation to help eliminate wear & tear on the machine and reduce topping ejection.  In an effort to further reduce topping ejection, drum rotation speed has been reduced and overflow shields have been implemented.  New Youtube video will be posted ASAP.

http://en.wikipedia.org/wiki/Sprinkles

Ice Cream Stacker