Patent ID: 7322775
Filing Date: 2008-01-29
Classification: B23B,Y10T

Abstract:
1. A self contained, toolless quick change tool holder for cutter inserts on machine tools, the self contained quick change tool holder comprising: a housing having at least one seat portion which is adapted to receive and conform to the shape of a cutter insert, a clamping arm mounted in the insert housing, the clamping arm movable in the insert housing, the clamping arm having a clamp portion extending over the seat portion, the clamp portion adapted to engage a cutter insert, a locking mechanism completely contained within the housing, the locking mechanism having a clamp position which forces the clamp portion of the clamping arm to engage a cutter insert, the locking mechanism having a release position which forces the clamp portion to disengage from a cutter insert to allow removal and replacement of said cutter insert, the locking mechanism being manually movable between the release position and the clamp position without the use of tools, the locking mechanism comprising a shaft, one end of said shaft being rotatably mounted proximate to a midpoint of the clamping arm, the other end of the shaft being pivotally mounted to an eccentric which is operably connected to one end of a lever, the lever, the eccentric, the shaft and the clamping arm having the clamp position which holds cutting insert in the seat, the lever lifting upwardly to rotate the eccentric which lifts the shaft and the clamping arm to the release position whereby the cutting insert is separable from the seat.