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| Number | Title | Issue Date |
| 7300334 | Drilling-head-grinding positioning device A drilling-head-grinding positioning device comprises a clamper for clamping a drilling head having a rectangular sliding rod and a sleeve clamping seat installed at a front end of the sliding rod, a cylindrical clamping device received in the sleeve clamping seat a... | 11/27/2007 |
| 5439412 | Machine for use in the manufacture of power steering valves A machine for grinding the metering edge contours on edges of axially extending grooves of a power steering valve input-shaft by means of a cylindrical grinding wheel, the machine being constructed to hold and rotate the input-shaft and to increase and de... | 08/08/1995 |
| 5299388 | Machine for use in the manufacture of vehicle power steering gears A machine for grinding the outer metering edge contours (26) on the edges of the axially extending grooves (18) of a power steering gear input-shaft (10) in which a substantially cylindrical grinding wheel (40) whose working surface is dressed parallel to... | 04/05/1994 |
| 4651471 | Edge-rounding method and apparatus therefor An edge-rounding method and an apparatus therefor, for chamfering the peripheral edge of a workpiece having a planar surface by causing the peripheral edge to be be engaged under pressure with a grinding surface of a grinding device. The grinding device e... | 03/24/1987 |
| 4635403 | Edge rounding machine An edge rounding machine for performing edge rounding of an outer edge portion of a machining face of a workpiece such as a floppy disk head, etc., including a cylindrical rotary member having, at its outer periphery, cutting edges, a holder for supportin... | 01/13/1987 |
| 4513540 | Grinding machine with CNC pivotable workhead A grinding machine is provided with a workhead support means having pivotable shaft means on which the support means is pivoted by a servomotor/pinion arrangement controlled by a programmable controller and a position indicating means on the pivotable sha... | 04/30/1985 |
| 4330966 | Groove grinding fixture A grinding fixture provides for grinding a pair of oppositely positioned complementary ball engaging meridian race grooves in the external surface of the inner race member of a constant velocity universal joint, wherein the race grooves are characterized ... | 05/25/1982 |
| 4203259 | Apparatus for edging ophthalmic lenses An apparatus for simultaneously grinding a peripheral shape and edge surface upon a pair of ophthalmic lenses including an abrading wheel and first and second floating heads for rotatably supporting a pair of ophthalmic lenses on either side of the abradi... | 05/20/1980 |
| 4172338 | Apparatus for grinding or polishing article having cylindrical or curved surface An apparatus for grinding or polishing an article having a cylindrical curved surface comprises a turn table attached at an end of a rotary shaft by a pin joint and turned to a predetermined direction by the rotary shaft; a grinding means for grinding or ... | 10/30/1979 |
| 4052175 | Automatic snag grinder An automatic snag grinder having conveyor means to feed a succession of parts to be ground into position before a ram. The ram pushes a part to be ground onto a tilting table whereafter the ram returns. The table tilts to about a 30° angle at which point... | 10/04/1977 |
| 4048759 | Turntable support structure for radius mills and the like This invention relates to an improved three-point support subassembly for pivoted machine tool turntables that is characterized by a pair of floating pads retained in cavities on the underside of the turntable that slide along the opposed planar surface o... | 09/20/1977 |
| 4037365 | Apparatus for cutting arcuately-shaped worms An apparatus for cutting an arcuately-shaped worm includes a support shaft adapted to carry a worm blank thereon and journalled in a frame which is mounted for pivotal movement about a fixed axis so that the worm blank may be simultaneously rotated on its... | 07/26/1977 |
| 3975866 | Method and apparatus for machining housings for slant axis rotary mechanisms Method and apparatus for machining an end surface for a housing for a slant axis rotary mechanism having a slant angle of .crclbar. and a rotor to shaft to housing timing ratio of SR /SS SH. The method includes the steps o... | 08/24/1976 |
| 3930342 | Sharpener for twist drills A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180.degree. about its axis, ... | 01/06/1976 |
