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| Number | Title | Issue Date |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 4597144 | Machine tool A machine tool for processing workpieces of various shapes comprises three processing units each mounted on a carriage to move in three axes of coordinates and each being rotatable about a horizontal axis. Each processing unit carries a tool holder having... | 07/01/1986 |
| 4557166 | Automatic multiple workpiece turning machine A work turret is rotated by steps around a central axis with a first group of a multiplicity of clamping devices formed to clamp one side of a workpiece each facing a charging device for feeding in workpieces, and a second group of clamping devices on the... | 12/10/1985 |
| 4523360 | Piece-holder table revolving intermittently in machine tools A table (1) revolving intermittently and carrying on its periphery piece-holder grips, has central openings (11), which make possible the discharge of working shavings and wastes at the center of the table itself (arrow 12) and not at the periphery (arrow... | 06/18/1985 |
| 4507860 | Production line for graphite nipples Manufacture of tapered thread nipples of cylindrical graphite sections in a production line with a rotary-cycle machine with stations and a turntable rotated at a predetermined period to move from one station to another. Prismatic guides radially connecte... | 04/02/1985 |
| 4473930 | Automatic transfer machine tool with circular supply movement In an automatic transfer machine tool with circular supply movement for workpieces to be sequentially worked on in respectively separate working stations (I-V), a stepwise indexable workpiece holder (10) is journalled on a center post (8), the workpiece h... | 10/02/1984 |
| 4465422 | Methods and apparatus for threading a pipe Methods and apparatus are provided for handling and threading tubular products, including tubing, pipe, and casing for the petroleum production industry. In one embodiment of the present invention, an improved pipe handling system is utilized to transfer ... | 08/14/1984 |
| 4007521 | Automatic precision working tool This invention relates to an automatic precision apparatus which includes an elongated rotatable central shaft concentric with and encased by a fixed outer cylinder. A rotary workpiece table is fixed to the central shaft adjacent one end of the central sh... | 02/15/1977 |
