Patent ID: 9512719
Filing Date: 2016-12-06
CPC Classification: E21C,Y10T

Claim Text:
1. A device for extracting a cutting tool holder from a base block, the cutting tool holder having a tool head, the device comprising: a cup having a back portion having a rearward socket a front portion having a forward socket; and a spacer section having an axial bore extending from a back orifice in the bottom of the rearward socket to a front orifice in the bottom of the forward socket; an expandable jack having an axial bore and a front face, the front face being removably engagable with the rearward socket of the cup; a threaded bolt having a front end and a rear end, the threaded bolt being removably disposable through the axial bore of the cup and through the axial bore of the expandable jack; and at least a first nut and a second nut, the first nut being removably attachable to the threaded bolt at the front end, and the second nut being removably attachable to the threaded bolt at the rear end when the threaded bolt is disposed through the axial bore of the cup and through the axial bore of the expandable jack such that the first nut is forward of the forward socket of the cup and the second nut is rearward of the expandable jack.