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 |
| 7269472 | Many-headed grinding machine and grinding method using many-headed grinding machine A control device 40 controls the grinding processing at a processing portion of a work W so as to shift to the last precision grinding step from a rough grinding step through a middle grinding step and a finishing grinding step. When the grinding in each step... | 09/11/2007 |
| 6824336 | Method for controlling cutting machine A cutting machine control determines a required stock-removal amount from a work for each of sections into which a tool path is divided, and feeds the rotating cutting tool at a speed that is controlled according to the required stock-removal volume so that the rota... | 11/30/2004 |
| 4714388 | Dual pinion anti-backlash carriage drive for a machine tool A carriage or slide of a machine tool is moved along a supporting guideway or way by a pair of driven pinions engaging a rack, and each pinion is mounted on the output shaft of a corresponding planetary gearbox. The input shafts of the gearboxes are drive... | 12/22/1987 |
| 4637169 | Apparatus for controlling the advance of a machine tool toward a workpiece The advance of a tool toward a workpiece is controlled with two acoustic transducers, one acting as a transmitter and the other as a receiver. The acoustic energy transmitted from the one to the other as the tool and the workpiece approach one another (th... | 01/20/1987 |
| 4579487 | Tool adapter A tool adapter for use in drilling, tapping and milling operations with the spindle of a machining center having a collet type tool holder which holds the tool which upon advancement into the work piece at a programmed feed rate to a programmed depth rate... | 04/01/1986 |
| 4354798 | Rotary tool positioning unit for a woodworking machine A rotary tool positioning unit for machining workpieces is disclosed having a rotary tool holder and a plurality of slide bearings cooperating with one another in such a manner that the rotary tool holder is capable of independent translational movement i... | 10/19/1982 |
| 4261675 | Machine tool with pulsating cutting force The cutting force applied between the cutting tool and the workpiece of a machine tool is periodically pulsated to expedite removal of material from the workpiece. The periodic cutting force pulsation is produced by periodically varying the spindle speed ... | 04/14/1981 |
