| Patent Number |
Title Of Patent |
Date Issued |
| RE31500 |
Material-handling vehicle |
January 17, 1984 |
| An improved vehicle includes a truck mounted material-handling mechanism having a main cab or operator's station from which the vehicle is driven over a road or highway and a second cab or operator's station from which the material-handling mechanism is operated. When the vehicle is bein |
| RE29612 |
Machine tool with indexible tool support |
April 18, 1978 |
| A machine tool comprising a headstock having a rotatable spindle for supporting and rotating a workpiece. A turret mounted on the headstock and offset to one side of the spindle carries tools to work upon a workpiece in the spindle. Bearing means offset to one side of the spindle support |
| D302392 |
Coordinate measuring machine |
July 25, 1989 |
|
| D281167 |
Turning machine |
October 29, 1985 |
|
| D277385 |
Turning machine |
January 29, 1985 |
|
| D275760 |
Cutting tool insert |
October 2, 1984 |
|
| D270449 |
Turning machine |
September 6, 1983 |
|
| 5025690 |
Vertical spindle turret lathe |
June 25, 1991 |
| A machine tool (100) has a spindle (101) and a turret or toolholder (124) which are disposed at the front of a base (134).A workpiece (W) is rotated by the spindle (101). The turret (124) is movable toward and away from the workpiece (W) along a path which has vertical and horizontal com |
| 5025214 |
Circuit and process for converting a half bridge transducer output signal to an LVDT transducer |
June 18, 1991 |
| A circuit and a process for converting the output signal from a half bridge transducer to that from an LVDT transducer to enable direct use of either signal in an electronic column. The circuit subtracts the transducer exciting signal from a half bridge transducer output signal according |
| 4964220 |
Coordinate measuring machine with cover system |
October 23, 1990 |
| A coordinate measuring machine (10) having a horizontal probe shaft assembly (20) in which a cover system is provided for the X and Y axis ways (46, 108) and carriages (50, 106), including inwardly slanted X-axis cover members (26) mounted atop granite exposed way members (24) defining |
| 4958438 |
Rotary table for a coordinate measuring machine and method of determining the axis of table rota |
September 25, 1990 |
| A rotary workpiece support table (12) for a horizontal arm coordinate measuring machine (10) having a retractable datum ball (144) for determining the axis of rotation of a table top plate (36) on a table base (40). A frictional drive mechaism (38) has a drive wheel (72) urged into e |
| 4957376 |
Linear bearing with a height adjustment mechanism |
September 18, 1990 |
| A linear bearing (20) with a height adjustment mechanism (58) including a stud (64) fixed to the bearing (20) and a tubular bushing (72) received over the stud (64) and mating with a threaded bore (86) in an end wall (88) of a mounting structure (12). A reaction nut (80) threaded to a |
| 4945501 |
Method for determining position within the measuring volume of a coordinate measuring machine an |
July 31, 1990 |
| Axis correction or machine charateristic data is stored (108) in memory (110) within a control or measurement processor (36) of a CMM (10) (FIG. 8). The axis correction data includes error data representing 21 different geometry errors (FIG. 4A through 4C) of the CMM. As position informa |
| 4928396 |
Coordinate measuring machine with improved carriage drive system |
May 29, 1990 |
| A coordinate measuring machine (10) having an improved carriage drive system including a flexible toothed belt (89) mounted on a rigid spar member (88) to be stretched along the carriage (X) axis. The spar member (88) absorbs the tension loading of the stretched flexible belt (89), w |
| 4927272 |
Linear bearing with improved lubrication system and method |
May 22, 1990 |
| A linear bearing installation in which a plurality of linear bearings (20) are mounted in a series of recesses (18) formed in a structure (12) to be supported on a way surface (38), the position of each of the bearings (20) in the respective recess (18) adjustable lengthwise by an adjust |
| 4887360 |
Way bearing arrangement for a horizontal arm coordinate measuring machine |
December 19, 1989 |
| A bearing arrangement for a coordinate measuring machine having a horizontal probe arm assembly (16) extending to the front of the machine and supported for movement along X,Y, and Z orthogonal axes. The bearing arrangement comprised of opposing sets of supporting or guiding and prel |
| 4863149 |
Fixture for locating elements for assembly |
September 5, 1989 |
| A roller bearing installation, in which one or more roller bearing assemblies (30A, 30B, 30C) are prepackaged in a housing (18) having corresponding recesses (28A, 28B, 28C) receiving each bearing assembly (30A, 30B, 30C). An angled gib plate (52A, 52C, 52C) is bedded in each recess, |
| 4843706 |
Method of installing |
July 4, 1989 |
| A roller bearing installation, in which one or more roller bearing assemblies (30A, 30B, 30C) are prepackaged in a housing (18) having corresponding recesses (28A, 28B, 28C) receiving each bearing assembly (30A, 30B, 30C). An angled gib plate (52A, 52B, 52C) is bedded in each recess, |
| 4828437 |
Apparatus for supporting a workpiece |
May 9, 1989 |
| A method and apparatus for rotatably supporting a workpiece WP includes a bearing ring 300 which extends around a center support member 204. The bearing ring is deflectable inwardly at a plurality of spaced apart locations 310 to engage the center support member at these locations du |
| 4821612 |
Method for machining workpieces |
April 18, 1989 |
| An apparatus for use in machining a workpiece includes a housing (102) which is operable between a closed condition enclosing a chuck (101) and an open condition. When the housing (102) is in the open condition, an opening (117) extends across the top of the housing and down opposite |
| 4819195 |
Method for calibrating a coordinate measuring machine and the like and system therefor |
April 4, 1989 |
| Method (FIGS. 4A through 4C) and system (FIG. 3) are disclosed for automatically calibrating a coordinate measuring machine (CMM) (10). The system guides an operator through instrument set-up and data collection procedures. The system automatically converts the collected data into er |
| 4799316 |
Coordinate measuring machine with a probe shaft counter balance system |
January 24, 1989 |
| A coordinate measuring machine (10) having a pneumatic probe counterbalance system housed within the probe shaft (14) is disclosed, the system including a piston (54) fit into a cylinder (30) extending along the length of the probe shaft (14). The piston (54) is fixed so that air pre |
| 4795952 |
Joystick for three axis control of a powered element |
January 3, 1989 |
| A joystick controller (38) for three axis control of a powered element such as a probe shaft (24) of a coordinate measuring machine (10) is disclosed in which a joystick handle assembly (40) is mounted for pivoting movement along either of orthogonal horizontal X or Y axis, with a plunge |
| 4787282 |
Method and apparatus for forming by punching |
November 29, 1988 |
| A method and apparatus for forming planar parts (WA) by progressively punching out the shape of the part (WA) from a piece of sheet material (W) in which the part (WA) is automatically removed from the remaining sheet material (W), by a hinged trap door section (37) in a work supporting |
| 4787280 |
Apparatus for machining workpieces and method therefor |
November 29, 1988 |
| During operation of an apparatus to machine a workpiece, an unfinished workpiece is gripped by a workpiece loader and unloader assembly at a conveyor station. The loader and unloader assembly moves the workpiece along the axis of a spindle assembly through an opening in a shield which |
| 4754574 |
Apparatus for grinding a workpiece |
July 5, 1988 |
| An improved apparatus for grinding a workpiece (W) includes a base (10) upon which a headstock (21) and a tailstock (23) are mounted to support a workpiece for rotation about axis (A). A carriage (300) is movable along the base. A light weight wheel slide (400) is mounted on the carriage |
| 4754554 |
Coordinate measuring machine with a selectively engagable limited range fine feed mechanism |
July 5, 1988 |
| A coordinate measuring machine (1) of the type having a plurality of movable members, a probe (2), carriage (5), and bridge (6), each movable along an orthogonal axis adjacent member (16), in which a selectively engageable fine feed mechanism (10) is disclosed providing a limited range |
| 4741232 |
Apparatus for use in machining workpieces |
May 3, 1988 |
| An apparatus for use in machining a workpiece includes a housing (102) which is operable between a closed condition enclosing a chuck (101) and an open condition. When the housing (102) is in the open condition, an opening (117) extends across the top of the housing and down opposite |
| 4741231 |
Tool force sensor and method of making same |
May 3, 1988 |
| A tool force sensor assembly (20) generates an electrical signal which is related to the change in force applied by a tool (24) to a workpiece (28) and is indicative of the wear condition or failure of the tool (24). The sensor assembly (20) is mounted in force transmitting relationship |
| 4736625 |
Method and apparatus for monitoring the cutting condition of a machine tool during machining of |
April 12, 1988 |
| A device-implemented method for monitoring the cutting condition of a machine tool during machining of a workpiece senses acoustic emissions resulting from the machining of the workpiece, produces an electrical signals which varies in accordance with changes in the sensed acoustic em |
| 4730945 |
Integrally adjustable way bearings |
March 15, 1988 |
| A roller bearing installation, in which one or more roller bearing assemblies (30A, 30B, 30C) are prepackaged in a housing (18) having corresponding recesses (28A, 28B, 28C) receiving each bearing assembly (30A, 30B, 30C). An angled gib plate (52A, 52B, 52C) is bedded in each recess, |
| 4726103 |
Fixture for attaching guideways to a machine tool base |
February 23, 1988 |
| A fixture (50) is used to precisely locate the horizontal (20, 30) and vertical (10) guideways on the bed (40) of a grinding machine. After locating the guideways (10, 20, 30), a bonding material (70) is placed in the spaces (1, 2, 3) between the guideways (10, 20, 30) and grinding m |
| 4715102 |
Machine tool |
December 29, 1987 |
| An improved machine tool (10) has a driven cutting tool (T) which is rotatable about an axis (C) extending perpendicular to the axis (B) of rotation of a turret (200) when a toolholder (300) is mounted on an end face (203) of the turret (FIG. 7). The cutting tool is rotatable about an |
| 4709514 |
Dual wheel cylindrical grinding center |
December 1, 1987 |
| The present invention relates to a method of dressing a complex contour onto a grinding surface of at least one grinding wheel of a two-axis grinding machine for grinding a workpiece. The method comprises the steps of causing at least one dressing diamond to traverse the grinding surface |
| 4706352 |
Method of making a slide and way assembly |
November 17, 1987 |
| A slide (20) having conveniently removable and replaceable bearing components (28-38) with the bearing components engaging seats (50) made of resilient, low friction material. The slide is supported on ways (24, 26) by way bearing pads (28-32) and opposed adjustable bearing assemblies |
| 4685361 |
Machine tool |
August 11, 1987 |
| An improved machine tool includes a chip conveyor assembly which includes a conveyor and a coolant tank. The chip conveyor assembly is movable between a closed or operating position and an open or exposed position. In the closed position, the chip conveyor assembly is disposed directly b |
| 4684266 |
Slide and way assembly and method of making same |
August 4, 1987 |
| A slide (20) having conveniently removable and replaceable bearing components (28-38) with the bearing components engaging seats (50) made of resilient, low friction material. The slide is supported on ways (24, 26) by way bearing pads (28-32) and opposed adjustable bearing assemblies |
| 4682418 |
Coordinate measuring machine |
July 28, 1987 |
| A coordinate measuring machine (10) having a light weight aluminum bridge (24) mounted for guided movement along ways (42) on a base (28), which also is constructed of aluminum to match thermal growth characteristics of the bridge (24). The table (12) is constructed of steel for greater |
| 4680868 |
Coordinate measuring machine with covers |
July 21, 1987 |
| A coordinate measuring machine (10) is disclosed of the type having a bridge (28) mounted for horizontal movement of a base (30), a carriage (24) mounted for horizontal movement in a direction orthogonal to the direction of bridge movement and a probe (12) mounted for vertical moveme |
| 4658245 |
Tool condition and failure monitoring apparatus and method |
April 14, 1987 |
| An apparatus and method for tool condition and failure monitoring system for predicting imminent tool failure by sensing acoustic emissions from a cutting operation converting the emissions into an electrical signal filtering the electrical signal and using a "count rate" technique on th |
| 4630374 |
Bridge type coordinate measuring machine |
December 23, 1986 |
| A bridge type coordinate measuring machine (CMM) characterized by a bridge (20) that has a closed loop configuration encircling the upper surface (11) of the measuring machine base (10). The bridge (20) includes two uprights (21, 22), an upper member (23) connecting the uprights together |
| 4626299 |
Method of attaching guideways to a machine tool bed |
December 2, 1986 |
| A fixture (50) is used to precisely locate the horizontal (20, 30) and vertical (10) guideways on the bed (40) of a grinding machine. After locating the guideways (10, 20, 30), a bonding material (70) is placed in the spaces (1, 2, 3) between the guideways (10, 20, 30) and grinding m |
| 4621551 |
Tailstock quill hydraulic circuit |
November 11, 1986 |
| A hydraulic circuit for use on a turning machine (10) having a quill (32) which is movable to an extended and retracted position for detecting, through pressure drop, when the quill (32) is fully retracted or extended and engaging a workpiece. The quill (32) is positioned by a hydraulic |
| 4610089 |
Bridge type coordinate measuring machine |
September 9, 1986 |
| A coordinate measuring machine (CMM) of the type including a bridge (26) supported for horizontal movement on a base (20) that has a table portion (18). The bridge includes cross members (28, 32) that extend above and below the table (18). The bridge (26) supports a probe (12) for vertic |
| 4608654 |
Linear position indicator |
August 26, 1986 |
| A linear position indicating system utilizing a fixed chain (20) which engages a pinion (32) connected to a mechanical input of an encoder (26) for providing position information. Encoder (26), supported on a relatively movable cross slide (14), provides an output signal indicative o |
| 4601094 |
Turning machine with an automatic tool changer |
July 22, 1986 |
| A turning machine (10) having a tool changer (70) capable of automatically changing O.D. and I.D. tools. A tool block system which supports the various tools is utilized. The tool changer (70) has a pair of fingers (74) disposed at the end of a cross arm (72). Fingers (74) are indepe |
| 4599560 |
AC excited transducer having stabilized phase sensitive demodulator circuit |
July 8, 1986 |
| A signal conditioning circuit (30) using an oscillator (32) which feeds a counter (34) whose output addresses a programmable memory (42). The output of the programmable memory (42) provides a selected processed signal which is used for excitation of a transducer (12). The processed signa |
| 4594791 |
Bridge type coordinate measuring machine |
June 17, 1986 |
| A bridge type coordinate measuring machine characterized by a bridge (20) that has a closed loop configuration encircling the measuring machine base (10). The bridge (20) includes two uprights (21, 22), an upper member (23) connecting the uprights together and at least one lower member ( |
| 4593587 |
Machine tool utilizing force transmitting joints |
June 10, 1986 |
| An improved machine tool (10) utilizing force transmitting joints for securing a way block (32) to a one-piece cast bed (12). The way block (32) and one-piece bed (12) have interlocking projections (70) and recesses (72) for transmitting the load between the two joined surfaces. A ha |
| 4570389 |
Method of adaptive grinding |
February 18, 1986 |
| A grinding adaptive control system and method is described which automatically determines the feed rate to maintain constant wheel sharpness without wheel breakdown. Wheel sharpness at a given feed rate is sensed by the steady state horsepower or normal force, the adaptive control pr |
