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| Number | Title | Issue Date |
| 7295002 | Vacuum chuck spinstand for testing magnetic heads and disks A spinstand having a vacuum chuck clamping mechanism for securing magnetic discs includes a cap (9) and a base (10). A disk-to-be-clamped is held between the cap (9) and the base (10). Vacuum, applied through a port (4) in a mounti... | 11/13/2007 |
| 7221537 | Plastic spacer and disk clamp assembly An assembly for coupling a disk to a spindle includes an annular spacer ring adapted to engage the disk and an annular clamp. The spacer ring is constructed at least in part of a plastic material. The clamp is constructed of a material having a modulus and stiffness... | 05/22/2007 |
| 7196869 | Plastic spacer and disk clamp assembly An assembly for coupling a disk to a spindle includes an annular spacer ring adapted to engage the disk and an annular clamp. The spacer ring is constructed at least in part of a plastic material. The clamp is constructed of a material having a modulus and stiffness... | 03/27/2007 |
| 7092204 | Disk clamp assembly An assembly for coupling a disk to a spindle includes a lower layer adapted to engage the disk and an upper layer constructed of a material having a stiffness greater than that of the lower layer. The upper and/or lower layer has protrusions extending therefrom for ... | 08/15/2006 |
| 6918599 | Anti-deflection tooling Anti-deflection tooling is provided for a pull back chuck. Equally spaced gussets are disposed between the riser body and the face plate of the chuck, to minimize or eliminate deflection of the face plate when a workpiece is clamped into the chuck. Adjustment device... | 07/19/2005 |
| 5022665 | Workpiece support tool An improved workpiece support tool is disclosed for use with a variety of workpieces. The support tool provides precise support and positioning of the workpiece with respect to an operational centerline during the balancing operation. The support tool inc... | 06/11/1991 |
| 4958839 | Disc clamp employing resilient cone for spreading balls A ball-type clamping mechanism for clamping computer hard disks in a disk tester for accurate measuring of the disk's parameters comprises a cup-shaped support (10) which is installed on a rotating part of the tester and serves to support a computer hard ... | 09/25/1990 |
| 4946177 | System for rapidly changing clamping jaws on a machine tool A system is provided for the rapid change, among others, of clamping jaws on a machine-tool which comprises self-blocking means for locking a jaw for clamping a workpiece from the inside or a jaw for clamping a workpiece from the outside. The jaw-holder i... | 08/07/1990 |
| 4773656 | Clamping shaft A clamping shaft for clamping a surrounding socket component comprising: a tubular shaft characterized by a tubular body provided with radially spaced slots through which expansion wedges may be extended and retracted for engagement with and disengagement... | 09/27/1988 |
| 4571233 | Paper container bottom expander A bottom expander for a flat bottom paper container of noncircular cross-section comprises a ring having an aperture surface for closely embracing the bottom rim of a container and plate-like tool elements, each having a radially outer edge surface which ... | 02/18/1986 |
| 4493232 | Adjustable mandrel for portable lathe An adjustable mandrel for securing a portable lathe adjacent the end of a pipe to be prepared for welding includes a lathe support plate that is adjustable about a single miter axis relative to the body of the mandrel which is arranged to engage the I.D. ... | 01/15/1985 |
| 4234200 | Dynamic imbalance determining system An imbalance determining system for a dynamic balancing machine for two-plane balancing of rotary elements such as vehicle wheel-and-tire assemblies includes a chuck and spindle mounted in a spindle housing in vibration-isolation orientation on a machine ... | 11/18/1980 |
| 4012619 | Machine for the resistance butt welding of pipes by fusion The machine disclosed is provided with a manipulator which aligns and moves pipes in course of welding and incorporates a hollow rod for the movement of the manipulator relatively to the pipe joints. The rod is immovably attached to the body of the manipu... | 03/15/1977 |
