239000000428 dust Substances 0.000 title claims abstract description 104.Publication of US20110092141A1 publication Critical patent/US20110092141A1/en Application granted granted Critical Publication of US8764518B2 publication Critical patent/US8764518B2/en Status Expired - Fee Related legal-status Critical Current Adjusted expiration legal-status Critical Links Assignors: MCCUTCHEN, CLINTON J., MCCUTCHEN, TRAVIS D. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US25352509P external-priority Application filed by Pathfinder Concepts LLC filed Critical Pathfinder Concepts LLC Priority to US12/908,513 priority Critical patent/US8764518B2/en Assigned to PATHFINDER CONCEPTS, LLC reassignment PATHFINDER CONCEPTS, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Pathfinder Concepts LLC Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Travis D McCutchen Clinton J McCutchen Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US12/908,513 Other versions US20110092141A1 Google Patents Dust shroud for a grinderĭownload PDF Info Publication number US8764518B2 US8764518B2 US12/908,513 US90851310A US8764518B2 US 8764518 B2 US8764518 B2 US 8764518B2 US 90851310 A US90851310 A US 90851310A US 8764518 B2 US8764518 B2 US 8764518B2 Authority US United States Prior art keywords housing side walls coupled seal front wall Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. If you are not using our cupwheels, you should use 5/8-7/8 arbor cupwheels and use our Blade and arbor adapting nuts supplied to gain the correct offset so the shroud is effective.- Google Patents US8764518B2 - Dust shroud for a grinder Our threaded cupwheels have the correct offset to be used with our Avenger Kits. ![]() Great for indoor or outdoor use, saves cleanup time and your lungs. Shrouds have a 2.25″ vacuum port (for 2.5″ hose). ![]() They are 95% dustless (dry) when used with a sufficient vaccuum. Shroud Kits are Designed to fit on numerous other makes and model grinders including Metabo, Milwaukee, Bosch, Dewalt, Fein, Hilti, Makita and Hitachi, only the collar is different. Shroud takes an industry standard 7″ cupwheel or 7″ Zec Disk (all with standard 5/8-7/8 or 5/8-11 Arbor)Ĭonvertible Shroud allows both open floor grinding and edging. Pure urethane – There is NO metal ring molded into it that will wear out and poke thru and end up scratching surfaces. There are no bottom brushes to have to replace. Shrouds flex to adapt to concrete contours but are rigid enough not to let the blade tear through them. ![]() Shrouds should last 3-4 years under normal conditions. Our Urethane Shrouds are very durable as there are no wearable parts and are not made of cheap, thin, hard plastic that breaks, tears or wears down.
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