Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7238082 | Workpiece headstock Workpiece headstock for a machine tool, especially for a grinding machine, with a spindle (6); with a clamping device (7), which is connected to the spindle (6) and which is used to clamp a wor... | 07/03/2007 |
| 7134818 | Tool-holding system for high-accuracy calibration of holes The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the... | 11/14/2006 |
| 5980365 | Tool grinding machine having at least two spindles A tool grinding machine has a moveable tool receiving member and a support rotatable about a vertical axis. The support includes a solid disk having a great mass allowing a vibration-free grinding at great output. Grinding spindles are arranged vertically... | 11/09/1999 |
| 5458530 | Device for producing drilled holes with undercut A device for producing drilled holes with an undercut has a swivel bearing, a drill shank mounted in the swivel bearing, swivelling means displacing the drill shank in a gyratory movement about a center line of drilling, a displacement element projecting ... | 10/17/1995 |
| 4805253 | Device for brushing threaded bores A device for brushing threaded bores comprises a mobile assembly on which is a brush rotatable about a main axis parallel to the axis of the threaded bore to be brushed. The brush is rotated about this main axis and at the same time the mobile assembly is... | 02/21/1989 |
| 4467848 | Machine for cutting down logs to a desired diameter A log shaping machine for cutting logs to a desired diameter and for cutting off root outgrowths, has a cutting ring with inwardly pointing tools which rotate with the ring. For the purpose of changing the effective cutting diameter of the tools the ring ... | 08/28/1984 |
| 4143489 | Mould polishing machines A polishing machine comprises a vertically movable surface on which is mounted a driving motor for rotating a support supporting on an axis of oscillation the gearbox an electric motor associated with an eccentric means urging the said motor to pivot on t... | 03/13/1979 |
| 3942287 | Contour grinders A contour grinder having a grinding wheel that forms a workpiece into a desired contour by directly controlling the movement of the grinding wheel with a motor operated by numerical control. The grinding wheel has an arched shaped surface on the periphery... | 03/09/1976 |
