B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/142
B26D 7/22 (2006.01) B65H 35/00 (2006.01)
Patent
CA 2020347
A guard for teeth on a cutting blade comprising a guard portion having a side part adapted to lay along one side of the teeth and a projecting part adapted to project past the points of the teeth, an anchor portion adapted to be fixed to the blade at a position spaced from the teeth, and a hinge portion of resiliently flexible polymeric material joining the guard and anchor portions. The hinge portion affords movement of the guard portion relative to the anchor portion from a normal protecting position along and projecting past the teeth, to a cut position spaced from the teeth so that the teeth can be used to cut material, while biasing the guard portion to its normal protecting position.
Betterley Todd R.
Longworth Fred A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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