Patent ID: 7901164
Filing Date: 2011-03-08
Classification: B23B,B23Q,Y10T

Abstract:
1. A debris shield for a rotary tool having a chuck for securing a rotating surface working implement having a working end, a shank, and an arbor end, said debris shield comprising a debris collection housing having a top, bellows side walls depending from the top of said housing to form a debris collection chamber, an open bottom with a surface contact rim, and a compression axis, a vacuum port on said debris collection housing through which air can be evacuated from said debris collection chamber when the surface contact rim of said debris collection housing is in contact with a surface, and a shank-holding and vent assembly mounted to the top of said debris collection housing and substantially centered on the compression axis thereof, said shank-holding and vent assembly including at least one vent opening for air intake when a vacuum is drawn on the bellows housing's vacuum port, and adapted to receive and rotatably hold the shank of a rotating working implement so that the implement can be rotated within said shank-holding and vent assembly.