Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7984563 | Device for determining a distance from a reference surface A device for determining the distance of a cutting tool, for instance a router bit, relative to a first reference surface or a second reference surface, the second reference surface extending essentially perpendicular to the first reference surface. The device has a... | 07/26/2011 |
| 7171758 | Tool setting apparatus for use in reconditioning of articulated connector An apparatus is disclosed for measuring the extension of a cutting tool from a boring bar used to semi-automatically recondition an articulated connector while it is still mounted to the end structure of a rail car. The apparatus is a generally c-shaped base member ... | 02/06/2007 |
| 6684519 | Miter saw stand with adjustable layout measuring apparatus It is a miter saw table that has adjustable measuring tapes. The tape sections can be calibrated so that the zero point on the tape is always set at the outer surface of the blade. This is done by using slidable wings that can be secured to a base. The wi... | 02/03/2004 |
| 6449864 | Method and apparatus for rotary cutter blade adjustment A longitudinal gage fixture extends the entire length of the cutting blade and provides positively locked, parallel surfaces that uniformly and reliably set the proper height of the gage blade along its length while in a blade holder, In use, the device r... | 09/17/2002 |
| 6381862 | Hollow grinder bevel angle control mechanism An improved hollow grinder bevel angle control wherein a height-attitude coupling mechanism links the height and attitude motions of an adjustable tool-rest, and a scale on a stationary portion of the grinder cooperates with a pointer on the height-attitu... | 05/07/2002 |
| 6283686 | Supporting and centering device for use in the production of double-toothing sprocket wheels or pulleys and method of using same Centering device acting upon an already present first ring (14a) of a straight or double helical toothing of gears, sprocket wheels or pulleys to obtain the second ring (14b) of the toothing generated by a pinion shaped cutter (16), a central groove (19) ... | 09/04/2001 |
| 6238149 | Apparatus for drill press A method for connecting an attachment to a drill press includes: providing an alignment member including a first portion and a second portion, and having a central axis; securing the first portion of the alignment member within the chuck; connecting the a... | 05/29/2001 |
| 5737990 | Apparatus for making miter joints Miter joint cutting apparatus includes a base, and an adjusting member mounted on the base for relative sliding movement to a position along the direction of a saw line. A workpiece locating mechanism is mounted on the base for angular adjustment with res... | 04/14/1998 |
| 5560273 | Miter box with vertical and horizontal angular positioning devices A miter box is provided with a simple demountable and adjustable board stop which operates in conjunction with the horizontal upper edge of the miter box backstop to position a board, such as a piece of cove molding, in an acute vertical angular position ... | 10/01/1996 |
| 5379669 | Precision miter gauge A precision miter gauge that consists of a sine-plate assembly mounted on a guide bar for engagement in a conventional table-saw miter slot. The sine-plate assembly comprises a stationary plate substantially perpendicular to the guide bar and a hinged pla... | 01/10/1995 |
| 5272818 | Device for detecting the location of a machine tool A tool setter is used to locate the cutting edges of a cutting machine tool with respect to the rotational axis of a lathe's workpiece holder. One or more machine tool detecting probes are mounted on the tool setter having their styluses in predetermined ... | 12/28/1993 |
| 5208996 | Axis reference probe An axis reference probe for locating reference surfaces and determining tool lengths. The axis reference probe is used in conjunction with a computer controlled machine. The axis reference probe has a body and a first bore extending longitudinally through... | 05/11/1993 |
| 5033201 | Rotary cutting cylinder blade height setting gauge A tool for use in setting the height of a cutting blade mounted in a rotary cutting cylinder includes an anvil that is mounted to the rotary cutting cylinder by a lost motion connection assembly. The lost motion connection assembly permits the mounted anv... | 07/23/1991 |
| 4290206 | Tool presetting fixture A tool presetting fixture is disclosed for use with cross-slide type tool holders which are usable on a multiple spindle automatic machine tool. The tool holder has a tool holding pocket to hold a cross-slide type tool with a tool tip. The fixture has a b... | 09/22/1981 |