Home / Gadgets / Robin’s robotic mowers now have a patented doggie door just for them

Robin’s robotic mowers now have a patented doggie door just for them


Back in 2016 we had Robin up onstage demonstrating the possibility of a robotic mower as a service rather than just something you buy. They’re still going strong, and just introduced and patented what seems in retrospect a pretty obvious idea: an automatic door for the mower to go through fences between front and back yards.

It’s pretty common, after all, to have a back yard isolated from the front lawn by a wood or chain link fence so dogs and kids can roam freely with only light supervision. And if you’re lucky enough to have a robot mower, it can be a pain to carry it from one side to the other. Isn’t the whole point of the thing that you don’t have to pick it up or interact with it in any way?

The solution Justin Crandall and his team at Robin came up with is simple and straightforward: an automatic mower-size door that opens only to let it through.

“In Texas over 90 percent of homes have a fenced in backyard, and even in places like Charlotte and Cleveland it’s roughly 25-30 percent, so technology like this is critical to adoption,” Crandall told me. “We generally dock the robots in the backyard for security. When it’s time to mow the front yard, the robots drive to the door we place in the fence. As it approaches the door, the robot drives over a sensor we place in the ground. That sensor unlocks the door to allow the mower access.”

Simple, right? It uses a magnetometer rather than wireless or IR sensor, since those introduced possibilities of false positives. And it costs around $100-$150, easily less than a second robot or base, and probably pays for itself in goodwill around the third or fourth time you realize you didn’t have to carry your robot around.

It’s patented, but rivals (like iRobot, which recently introduced its own mower) could certainly build one if it was sufficiently different.

Robin has expanded to several states and a handful of franchises (its plan from the start) and maintains that its all-inclusive robot-as-a-service method is better than going out and buying one for yourself. Got a big yard and no teenage kids who can mow it for you? See if Robin’s available in your area.



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I'm a 50 year old PLC programmer from Burnley, UK. I severed my time as an electrician in the baking industry and soon got involved with the up and coming technology of PLC's. Initially this was all based in the Uk but as the years went by I have gradually worked my way around the globe. At first it was mainly Mitsubishi with a bit of Modicon thrown in but these days the industry leaders seem to be the Allen Bradley range of PLC and HMI’s.

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