Patent ID: 8740513
Filing Date: 2014-06-03
Classification: B23B,B23Q,Y10T

Abstract:
1. A dust collector for use with a drill bit or a depth stop that is coupled to a drill bit, the dust collector comprising: a rear attachment portion configured to be axially fixed to a drill bit or to a drill bit depth stop that is axially fixed to a drill bit; an intermediate non-collapsible portion attached to a front end of the rear attachment portion, the intermediate non-collapsible portion defining a dust-collecting pocket and structured to inhibit collapse as the drill bit is inserted into a workpiece; a front collapsible portion including a radially outwardly flared wall attached to a front end of the intermediate non-collapsible portion; and a front non-collapsible portion including a generally cylindrical wall extending forward from the front collapsible portion, the generally cylindrical wall having a larger diameter than the intermediate non-collapsible portion and being composed of a rigid material, wherein the front collapsible portion at least partially collapses over the intermediate non-collapsible portion causing the front non-collapsible portion to telescope over the intermediate non-collapsible portion as the drill bit is inserted into a workpiece, wherein the intermediate non-collapsible portion and the front collapsible portion are each composed of an elastomeric material.