Three stamped parts are assembled to make the chassis. They are called the chassis, the gear, and the cup. These are the parts that were designed by Tom and ordered from a fabricator – 100-500 of each.


 These three parts are swaged together, which clamps the cup against the chassis, holding the gear loosely between them. 


When the stamping is complete, a chassis assembly is the result. Below is a pre-production sample shown in the hands of the tooling guru during development. 


They have granted me permission to allow you a tour of their facilities by clicking below.



Delrin gears are fabricated at Brydgeworks, a local waterjet company. I always enjoy seeing what they have in production when I visit. Steve and Rebecca would be happy to assist you if you need their services.


They have granted me permission to allow you a tour of their facilities by clicking below.




Tom Assembling a Counter


Counters – five or six digit – are purchased from a Veeder-Root supplier.


The delrin gear is a press-fit onto the counter shaft.


Pressing the Delrin Gear onto the Counter Shaft


Final assembly consists of aligning a counter/gear assembly onto a chassis assembly and fastening with screws and locknuts. Careful attention is paid to ensure the gears mesh properly and do not bind.


Each finished JR counter is packaged for shipping with a set of mounting instructions, a length of 14ga wire, and a pair of washers.



3,300+ Units Shipped Worldwide to 70 countries


When the PayPal order is confirmed, the mailing label is printed using PayPal’s software. The software also prints the proper postage onto the label, and sends money to US Postal Service. Typical domestic priority mail shipments can be simply dropped off at any postbox enroute to work. Express mail, and international orders require a trip to the post office during working hours. 


Fabrication takes place in the Shenandoah Valley of Virginia




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