Patent ID: 7572171
Filing Date: 2009-08-11
Classification: B24D,Y10T

Abstract:
1. A cutting-tool holder used for grinding comprising: a one piece pinching member comprising a pair of pinching pieces biased to each other, the pinching member further comprising a connecting portion with a generally C-shaped cross section which connects a base end part of a first pinching piece to a base end part of a second pinching piece; a pair of handgrips provided on the pinching member for setting the pair of pinching pieces apart from each other by applying force to the pair of handgrips in a direction to move the handgrips toward each other, each handgrip having a one end part fixed to the pinching piece, a middle part penetrating the connection portion through at least one opening, and another end part extending away from the pinching piece, wherein the connecting portion has a first opening along the base end part of the first pinching piece, a first corresponding opening vertically facing the first opening, a second opening along the base end part of the second pinching piece, and a second corresponding opening vertically facing the second opening.