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| Number | Title | Issue Date |
| 6908264 | Quick change drill bit A quick-change core drill includes an adapter and a generally tubular drill barrel. The adapter comprises a first end adapted to be removably connected to a drill spindle and a second end adapted to be removably connected to the drill barrel. The drill barrel includ... | 06/21/2005 |
| 5997012 | Differential thread control of chuck gripping of work An apparatus for adjusting the grip of a tubular chuck upon work, the chuck receivable in a bore formed by a holder, and comprising a rotatable connector member having first and second thread connections for exerting force transmitted to the chuck; the he... | 12/07/1999 |
| 4708039 | Bar feeding apparatus A stock pusher for a bar feed apparatus includes an improved bar gripping collet in which the bar gripping force applied by the collet may be easily adjusted in the field.... | 11/24/1987 |
| 4231274 | Saw guide assembly A clamping assembly for clamping a block of wearable material for guiding a band saw blade to maintain the blade in alignment at a working station. The block of wearable material is formed with a dovetail adjacent a rear face remote from the wearing face ... | 11/04/1980 |
| 4211510 | Adjustable boring head An adjustable boring tool including an axial shank and a socket for mounting a cylindrical boring bar with an offset axis clamped in adjustable position through transverse and longitudinally slotted segments on one side of the socket together with a trans... | 07/08/1980 |
