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Assignee: Kearney & Trecker Corporation


Location: Milwaukee, WI
No. of patents: 15

NumberTitleIssue Date
5354158Six axis machine tool
A machine such as a machine tool includes a pair of spaced platforms. One platform (11, 31, 185, 72, 159, 142) may mount an operator such as a tool in a spindle and the other platforms (10, 20, 180, 170, 144, 163) may mount an object such as a workpiece. ...
10/11/1994
4845834Tool clamping mechanism
A tool clamping mechanism (12) is provided for a tool engaging arm having a frame or chassis (18) which is moved along a path of travel toward a tool (47). The mechanism includes a tool contact member or tongue (60) and preferably includes a pair of space...
07/11/1989
4629053Closed loop machining system
Three machine tools are positioned in spaced apart relationship at the corners of a triangle. Each machine tool has a worktable which is rotatably mounted on a corresponding bed for rotation about a corresponding vertical axis. Each worktable has guide me...
12/16/1986
4628441Automatic dynamic error compensator
An automatic dynamic error compensator for compensating the position error arising within a servo drive system includes a measuring head which is operative to measure the relative indicated position of two or more measuring vanes on the movable member. Th...
12/09/1986
4527661Adaptive control system for machine tool or the like
An adaptive control system for a machine tool or the like includes a temperature sensor for measuring spindle bearing temperature and two pairs of thrust sensors for measuring radial and axial spindle deflection. Data processing apparatus, typically compr...
07/09/1985
4514123Adaptive control system for machine tool or the like
An adaptive control system for a machine tool or the like includes two pairs of thrust sensors for measuring radial and axial spindle deflection and a temperature sensor for measuring spindle bearing temperature. Data processing apparatus, typically compr...
04/30/1985
4507850Boring bar adjusting apparatus
A boring bar adjusting mechanism for automatically correcting an offsize boring cutter. The mechanism includes a measuring gauge and an adjustable boring bar, each mounted in separate tool holders and each stored in the tool storage magazine. The measurin...
04/02/1985
4487087Ball nut having adustable preloading
An improved ball nut having adjustable preloading comprises a pair of ball nut halves both in threaded engagement with a ball screw. Only one of the nut halves is secured to a movable machine member, the other nut half being movable to the relative fixed ...
12/11/1984
4413938Spindle motor powered drawbar
The spindle of a machine tool has a drawbar disposed therein for threaded engagement into and out of the toolholder inserted into the spindle bore to releaseably secure the toolholder within the spindle. Splined on the rearward end of the drawbar distal f...
11/08/1983
4398326Collet unclamping mechanism
Pressurized hydraulic fluid for energizing the collet unclamping mechanism of a machining center is supplied through a first solenoid valve from an accumulator which is charged by a piston pump. The piston pump is attached to the machining center between ...
08/16/1983
4390953Unmanned diagnostic communications system for computer controlled machine tools
An unmanned diagnostic communications system for analyzing the operation of a remotely situated computer controlled machine tool and for diagnosing any abnormalities disclosed during machine tool operation includes an auto dialer and MODEM coupled between...
06/28/1983
4380796Portable control box for computer numerically controlled machine tools
Remote control of a computer numerically controlled (CNC) machine tool is facilitated by an intelligent portable control box coupled to the CNC machine tool through a radio frequency link, typically taking the form of a single conductor coaxial cable. The...
04/19/1983
4365315System for multilingual communication of computer-specified aural or visual control messages in an operator-designated language
Multilingual computer-specified control messages are communicated to an operator in an operator-selected language by the combination of a message writer and a language changer. The language changer contains a set of message storage tables, each containing...
12/21/1982
4358888Automatic tool changer with internal tool storage magazine
A vertical spindle numerically controlled machining center includes a stationary bed or base on which a workpiece holding table is slidably mounted for movement along a first axis. A vertically extending upright or column, having a vertically reciprocal s...
11/16/1982
4356609Spindle keylock
A spindle keylock for stopping and locking the spindle of a machine tool at a predetermined angular orientation to align the machine tool spindle key with the toolholder key to facilitate tool exchange includes a collar fastened about the spindle for co-j...
11/02/1982
 
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