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Re: cots?????pneumatics
Note however, that you COULD buy the above assembly, remove the cylinder from it, replace it with a "coupon-equivalent" cylinder, and get the same function. Since the cylinder itself is a "coupon pneumatic", this now becomes legal, because it is "a legal assembly that is DRIVEN by a legitimate cylinder". (That is, as long as it's not a "dangerous device". *I* wouldn't want a powered toggle clamp on MY robot - It's a finger masher!)
BUT... You could get the same thing much CHEAPER by either taking a manual toggle clamp or make the equivalent from scratch, and THEN attach a coupon cylinder to it. Heck... Why buy an expensive device, just to throw away the most valuable part of it???
So, what subtask are you actually trying to accomplish with a "powered toggle clamp"? IMHO that's a very dangerous devce to put on a FIRST robot. Maybe we can help you design a part to do what you need to do, that would be safer.
- Keith
Chief Engineer, Team 1502, "Technical Difficulties"
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Keith McClary - Organizer/Mentor/Sponsor - Ann Arbor MI area FIRST teams
ACTI - Automation Computer Technologies, Inc. (Sponsoring FIRST teams since 2001!)
MI Robot Club (Trainer) / GO-Tech Maker's Club / RepRap-Michigan) / SEMI CNC Club
"Certifiably Insane": Started FIVE FRC teams & many robot clubs (so far)! 
2002: 830 "Rat Pack" | 2003-5;14: 1015;1076 "Pi Hi Samurai" | 2005-6: 1549 "Washtenuts"/"Fire Traxx"
2005-(on): 1502 "Technical Difficulties" | 2006-(on): FIRST Volunteer! 
2009-(on): 470 "Alpha Omega" | WAFL | Sponsor & "Floating Engineer" for MI Dist 13 (Washtenaw Cnty)
2011: 3638 "Tigertrons" | 2013-(on): 4395 "ViBots" | 2014-(on) 66 "Grizzlies"
"Home" Teams: 66, 470, 1076, 1502, 4395
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