Class 451/247 - Turret

Subclass of Class 451 - Abrading
Definition: Abrading machine including a rotating table which brings
No. of patents: 33
Last issue date: 05/19/2009

Number	Title	Issue Date
7534164	Transmission structure of the stone chamfering machine tool holder A tool holder transmission structure of a stone chamfering machine which is mainly characterized in that a transmission motor is installed at downward offset position inside the frame of the stone chamfering machine, whereof the transmission gear installed on the sp...	05/19/2009
7201639	Powder for disks A plurality of disks include a first disk and a second disk stacked upon the first disk. The first disk and the second disk are each formed from glass or glass-ceramic. A powder is disposed between the first disk and the second disk. The powder is selected from the ...	04/10/2007
7179157	Bench grinder The present invention discloses a workshop unit for use as a grinding center that includes a support frame having a drive motor and a multi-station tool mounted thereto. Particularly, the grinding center may be used for operations including but not limited to grindi...	02/20/2007
7147542	Centerless grinder A centerless grinder for grinding an elongated workpiece includes a grinding wheel having a working surface with a plurality of raised areas extending circumferentially around at least a portion of the working surface. A platform is provided having an elongated top ...	12/12/2006
7134936	Grinding head for a grinding machine for glass slabs, and machine equipped with such head A grinding machine (1) for glass slabs (2) comprising a grinding head (77) that comprises a supporting structure (9), grinding wheels (20, 28) for grinding and polishing the edge of the slab (2), and grinding wheels (24, ...	11/14/2006
6769971	Multispindle pedestal grinder A multispindle pedestal grinder includes: a head block, an indexable head rotatably supported by the head block, three spindles rotatably supported by the indexable head, the axes of rotation of the spindles being parallel to one another and to the axis of rotation ...	08/03/2004
6638139	Multi-spindle end effector A multi-spindle end effector is provided for a multiple axis robot. The multi-spindle end effector includes a plate housing having at least a pair of spaced-apart spindles mounted thereon. A servo-motor drivingly engages the spindles. A gear box steps dow...	10/28/2003
6354926	Parallel alignment method and apparatus for chemical mechanical polishing A parallel alignment device for chemical mechanical polishing using a plurality of carrier devices (123) rotatably coupled to a turret means. The apparatus (100) includes a turret and plurality of rotatable polishing surfaces (111) positioned around the t...	03/12/2002
6126517	System for chemical mechanical polishing having multiple polishing stations An apparatus and associated methods for polishing semiconductor wafers and other workpieces that includes a polishing surfaces, such as pads mounted on respective platens, located at multiple polishing stations. Multiple wafer heads, preferably at least o...	10/03/2000
6036588	Knife ring [chip] cutter The invention concerns a device for sharpening of knives, which are mounted in the knife ring of a chip cutter and whose cutting edges run essentially parallel to the knife ring axis. Several grinding tools can be run intermittently and simultaneously in ...	03/14/2000
5738574	Continuous processing system for chemical mechanical polishing An apparatus for polishing semiconductor wafers and other workpieces that includes polishing pads mounted on respective platens at multiple polishing stations. Multiple wafer heads, at least one greater in number than the number of polishing stations, can...	04/14/1998
5718619	Abrasive machining assembly An abrasive machining assembly (10) wherein a worktable (14) is rotatably supported on a frame (12) for rotation about a table axis (A) and a plurality of platens (32) are supported on the worktable (14) with each of the platens (32) being adapted for sup...	02/17/1998
5339569	Surface processing device A device for processing the surface of objects (V) such as grinding, polishing and deburring for instance punched workpieces, which device comprises: a transporting surface (2) for receiving the objects for processing, a grinding unit (4) arranged thereab...	08/23/1994
5299394	Method and apparatus for buffing spherical parts A method and apparatus for buffing the balls of ball joint studs. The apparatus includes a frame structure including a base; an index table; a plurality of fixtures spaced circumferentially about the index table and each arranged to rotatably mount the sh...	04/05/1994
5161332	Chucking apparatus for the combined working of rolling bearing rings In a chucking apparatus for the combined grinding and honing working of a racetrack surface of a roller bearing external ring, a first chucking device comprising a pair of glide shoes and a second chucking device comprising a hydrostatic glide bearings wh...	11/10/1992
5113623	Method and apparatus for grinding the work rolls of a planetary rolling mill The work rolls of a planetary rolling mill are subject to high wear and must, therefore, be frequently reground to assure precision of the material rolled. With a life of the work rolls of about six hours, the expenditure of about 12 hours of a mechanic s...	05/19/1992
5065651	Method and machine for finishing commutators A method for finishing the full radial surface of a face type commutator includes relatively rotating the commutator on its axis with respect to a cutter to form a finish on the commutator face which includes radially inwardly cross hatch segments which b...	11/19/1991
5035088	Machine tool A workpiece W to be machined by a rotating cutting tool 32 is carried by a rotary workhead 22 which is in turn mounted on a rotary table 16 for movement relative thereto both rotationally about a first axis perpendicular to the rotation axis of the table ...	07/30/1991
4894958	Apparatus for scraping off burrs at resin outer layer of a golf ball An apparatus for scraping off burrs at resin outer layer of a golf ball. According to this method and apparatus, even if some errors exist in the diameter of golf balls of resin outer layer, only burrs can be scraped off automatically at high efficiency, ...	01/23/1990
4635405	Continuous arcuate feed assembly Abrasive grinding apparatus having a continuously revolving turret assembly to which a plurality of workpiece holding platens are affixed. Associated with the turret are angularly positioned stationary grinding assemblies having drum driven abrasive belts...	01/13/1987
4630403	Method and machine for grinding rotationally symmetrical workpieces Poppets of lift valves are ground in a grinding machine wherein the chuck clamps the stem midway between the head and the foot of the poppet and is indexible through 180° so as to place the foot into the range of a first portion of the working surface of...	12/23/1986
4590712	Vertical spindle duplex head for a grinder A vertical spindle duplex head for a grinder includes an annular pressure wheel and a receiver wheel arranged to rotate and revolve workpieces between the annular surfaces of the pressure wheel and the receiver wheel and a grindstone for one end portion o...	05/27/1986
4468893	Machine for machining and in particular grinding cylindrical surfaces The machine comprises a support surface for a reference surface on the body of the workpiece, and a device for fixing the body on the support surface and releasing the body. A withdrawable device is provided for angularly positioning the blank on the supp...	09/04/1984
4453347	Apparatus for manipulating workpieces having plane parallel surfaces Apparatus for supporting, locating and transferring plate-like or disc-shaped workpieces between several stations or between several machines where each of two plane parallel surfaces of each workpiece is subjected to one or more treatments has at least t...	06/12/1984
4312155	Apparatus for grinding grooves in the inner race of a constant velocity universal joint A grinding machine (10) includes apparatus for grinding grooves in inner races (16) of constant velocity universal joints with a high production output achieved by indexing of a race without stopping rotation of a holder (14) on which the race is clamped ...	01/26/1982
4286413	Hole grinding machine A hole grinding machine is provided which includes a frame, two displaceable grinding spindles arranged on the frame, and two chucks facing the grinding spindles for holding and moving workpieces to be machined. The chucks are fastened to rotatable chuck ...	09/01/1981
4267669	Method and apparatus for grinding small cutting blades Disclosed herein is a method and apparatus for clamping and grinding cutting blades having an arcuate shank portion. The cutting blades are held in clamps having one fixed and one movable jaw, with the fixed jaw having a curved surface which interfits wit...	05/19/1981
4074593	Machine for treating circular toothed saws A machine for machining the teeth of circular saws includes a rotary table. The table has a plurality of cotters for holding the blades. The table is rotatable to bring each saw successively to a plurality of machining stations. At each station the saw is...	02/21/1978
4052821	Automatic bur grinding machine A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spac...	10/11/1977
3992822	Installation for polishing pieces of cutlery The invention relates to an installation for polishing pieces of cutlery or the like, which comprises two rotatable conveyor devices, each adapted to move through a respective circular path for transporting workpiece holders for the pieces of cutlery thro...	11/23/1976
3977131	Tire grinding machines Method and apparatus for improving the uniformity of a tire and wheel assembly. The apparatus comrises a frame rotatable through four stations, and displaceable grinding and driving apparatus provided at two of the staions to drive the tire against a rota...	08/31/1976
3974553	Turret for workpiece and method Automatic machinery for performing multiple operations on different parts of workpieces includes an incrementally rotating, workpiece supporting turret provided with three workpiece supports. Upon rotating of the turret, a workpiece loaded on a support lo...	08/17/1976
3950895	Method and apparatus for grinding work pieces A method and apparatus for grinding work pieces having internal chambers comprising loading blank work pieces onto respective ones of a plurality of mandrels provided on a rotatable member which member is rotatable about an axis of rotation extending para...	04/20/1976

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Class 451/247 - Turret