Reply by runswithscissors

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Posted on An alternative to Saw Stop?

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2725 posts in 1993 days

#1 posted 01-22-2013 10:01 PM

My thought is that the instant dropping of the blade makes stopping the blade less essential; in fact, if it could be done without messing up drive belts, etc., maybe it wouldn’t need to be stopped at all. The spinning blade, below the table, can’t injure you.

I like the idea of the solenoid. In fact, maybe the solenoid would hold the swing arm in position until triggered, at which point it would release it so it could drop. How about 2 solenoids, the second one to yank it down?

I’m not thinking of the blade dropping mechanism as being the same as the blade raising/lowering arbor mechanism. It would have its own separate pivot point. Needs to be very precise and robust, because you don’t want blade wobble and flutter.

I am not a patent attorney. But some years ago I had an idea or two that I thought were patentable. I researched all I could, and concluded that (1)patents are expensive (more than I was willing to invest) (2) easily evaded, by simply making various changes to the protected technology. I also am deeply dubious about an “umbrella patent,” which seems to say. “I have a patent on things I haven’t even thought of yet.”

My understanding is that SawStop offered the technology to other companies, and that they didn’t bite. I’d be curious to know the history of that.

Here’s a question that intrigues me: Has anyone had the nerve to stick his finger into a spinning SawStop blade?
I’m not talking about a hot dog here, but real, personal flesh. Also, is it possible for a SS to draw blood, even minimally?

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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