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 |
| 6640404 | Three piece coupling arrangement for a turret indexing mechanism for a machine tool assembly and an air bearing assembly for the same The present invention is directed to an indexing tool turret assembly and method for operating the same. The indexing tool turret assembly includes a tool turret assembly rotatably supported on the machine tool, an indexing assembly for selectively rotati... | 11/04/2003 |
| 6128812 | Tool turret for a machine tool and lathe with such a tool turret In a tool turret for a machine tool, in particular, a lathe, comprising a turret head rotatable about a turret indexing axis, the turret head tapering on either side of a diameter plane of the turret head extending perpendicularly to the turret indexing a... | 10/10/2000 |
| 5933934 | Bi-Directional electrical machine tool turret A bidirectional indexing turret mechanism for machine tools having a housing for mounting to a machine tool, with a spline being fixed to the housing. An indexing shaft is mounted for rotation within the housing and has a rotary turret support fixed there... | 08/10/1999 |
| 5842259 | CNC machine tool and toolhead assembly therefor The invention provides a machine tool comprising a base member, a workpiece support means mounted on the base member, a toolhead support means mounted on the base member, a toolhead assembly mounted on the toolhead support means, rotatable about a given a... | 12/01/1998 |
| 5791032 | Robotic turret tool A robotic turret tool for use with an industrial robot is mountable onto the spindle of the robot and capable of having multiple tools mounted thereto. The turret tool includes a mounting bracket adapted to be affixed to the spindle of the industrial robo... | 08/11/1998 |
| 5758399 | Tool turret with torque overload protection A tool turret has a turret housing and a hollow supporting column. A head is provided at one end of the supporting column. The other end of the supporting column is connected with the turret housing. A tool face is mounted rotatably relative to the head a... | 06/02/1998 |
| 5682658 | Rotary index table assembly A rotary index table assembly including an annular positioning mechanism (22) that cooperates with a lift mechanism (140) to accurately position a rotary index table (14) on a base (12). The annular positioning mechanism (22) includes a base mounted crown... | 11/04/1997 |
| 5657523 | Positioning mechanism of turret index A positioning mechanism of a turret index which performs index rotation by the use of an index mechanism to transmit output shaft motion and perform positioning by a three-piece toothed coupler. The present invention uses a hydraulic system to control the... | 08/19/1997 |
| 5632075 | Tool-carrier turret A tool-carrier turret having a high displacement speed, particularly for lathes and work centres the rotatable table of which is provided with a plurality of supports for fixed tools and a plurality of supports for tools of the rotating type. The turret i... | 05/27/1997 |
| 5339504 | Tool turret with reduced switching times A tool turret includes a turret housing and a turret head rotatably mounted in and relative to the turret housing to selectable angular positions about a rotational axis. A preliminary indexing bolt secures the turret head in one of the angular positions ... | 08/23/1994 |
| 5271134 | Tool turret with axial reactive force A tool turret has a hydraulically slidable interlocking or clamping member in alignment with the rotary axis of the turret head for interlocking or clamping the turret head to the housing and for charging the turret head with an axially reactive force by ... | 12/21/1993 |
| 5226869 | Method and apparatus for changing the tool disk of a tool turret For changing the tool disk connected detachably and rotatably to the housing of a tool turret, a work-locating fixture is provided. The tool disk can be moved out of its work setting in which it is coupled with the drive shaft for rotation by a rotary dri... | 07/13/1993 |
| 5187847 | Tool turret with pneumatic locking system A tool turret includes two toothed rims concentric to the rotary axis of its turret head and arranged radially adjacent to one another. One rim is immovable relative to the turret head. The other rim is immovable relative to the turret housing. The teeth ... | 02/23/1993 |
| 5067371 | Method and apparatus to control locking of a tool turret For controlling the locking of the rotatable tool holder of a tool turret, the angular position of the tool holder is determined by a rotating transmitter. The rotating transmitter is rotated corresponding to the rotary movement of a control and synchroni... | 11/26/1991 |
| 4989303 | Tool turret A tool turret has a locking mechanism part axially slidable relative to the turret head with a face gear engaging face gears of the turret head and the housing in its locked position. The axial slidability of the locking mechanism part out of its locked p... | 02/05/1991 |
| 4944198 | Tool-holder turret with an epicyclic transmission and positioning unit The tool-holder turret for lathes or like machining centers has a fixed support member (1; 52) bearing a rotary member (4; 51) to which there may be attached a tool-holder plate designed to bear a plurality of tools, each of which can brought into the ope... | 07/31/1990 |
| 4922595 | Turret head unit A turret head unit includes a turret head, a plurality of angularly disposed tool receiving spindles carried in the turret head, a spindle drive shaft rotatably mounted in the turret head, a clutch mounted on the spindle drive shaft and movable into and o... | 05/08/1990 |
| 4837912 | Hydraulic driving arrangement for positioning workpieces in correct relationship to tool heads of a multi-station machine tool A hydraulic driving arrangement for circular indexing tables for the precise positioning of workpieces, with the exact position of the workpieces being determined by an index. A hydraulic motor is provided with an electro-hydraulic follow-up governor usin... | 06/13/1989 |
| 4819311 | Machine tool A machine tool comprises an upstanding column, a tool-driving unit vertically movable on the column, and a pair of guide rails on a front surface of the column to extend vertically thereon and horizontally spaced apart from each other for guiding the upwa... | 04/11/1989 |
| 4730525 | Indexable cutting tool In accordance with the present invention, there is provided a cutting tool having a cutting tool insert which is automatically rotationally indexable. The cutting tool includes a shank and an indexable cutting tool insert rotatably connected to the shank.... | 03/15/1988 |
| 4635342 | Plano-milling machine The head of a plano-milling machine has two jointly rotatable, perpendicularly-related collet spindles journalled on bearings in a box-like housing which can be mounted on the slide of the machine so as to be indexable about the axis of the vertical colle... | 01/13/1987 |
| 4614020 | Mechanism and method for automatically changing tools An automatic tool changing mechanism includes a spindle mechanism (11) having at least a spindle (11a) and a first gear (11b) rotatable in unison with the spindle; a spindle motor (12) for rotating the spindle; a tool magazine (20) having at least a stora... | 09/30/1986 |
| 4610074 | Automatic tool changer of a machine tool An automatic tool changer of a machine tool comprises a spindle head (4) rotatably carrying a spindle (2), and a tool magazine (40) having a plurality of tools (42). A pair of gears (46, 48), one on the spindle and the other on the magazine, are provided ... | 09/09/1986 |
| 4575291 | Dividing apparatus for a program controlled machine tool The subject matter of the present invention is a dividing apparatus or indexing attachment for a program controlled machine tool, comprising a housing (1) including clamping means (3, 4) for attachment to a machine part, a dividing spindle (5) mounted wit... | 03/11/1986 |
| 4454638 | Special lathe, particularly for making settings exactly fitting the gem or the like A lathe with a number of working tools for making a setting for a gem in metallic objects such as rings or bracelets, the size of the setting being directly determined by taking the diameter of the gem to be set.... | 06/19/1984 |
| 4429443 | Machine tool The specification is directed to a method of operating a machine tool which enables a machining center, a transfer line or a flexible manufacturing system to be rapidly converted from the manufacture of one work piece to the manufacture of another workpie... | 02/07/1984 |
| 4379415 | Automatic turret lathe An automatic turret lathe in which sequences are manually programmed for automatic control (both turret and cross slide) as an incident to setting up the machine, requiring neither tape nor card programs but rather the manual effort of the machinist; the ... | 04/12/1983 |
| 4378621 | Headstock for a universal milling and drilling machine A headstock for a universal milling and drilling machine. The headstock includes a horizontal spindle within the headstock housing. A swivel head to which a vertical milling head is mounted is rotatably mounted at a 45° angle on the headstock and is lock... | 04/05/1983 |
| 4302870 | Indexable revolving turret An indexable revolving turret has a rotary tool carrier which is movable to a plurality of angularly spaced indexed positions, and an indexing shaft which is connected with the tool carrier for indexing the same to the respective ones of these positions. ... | 12/01/1981 |
| 4285259 | Turret index system A turret indexing system for a turret punching machine having a plurality of equally spaced tool punching stations carried on the turrets which may be rotatably positioned to place selected punching tools in register with a punching ram. Turret indexing i... | 08/25/1981 |
| 4095489 | Index apparatus for machine tool A vertical support shaft supporting a tool support is slidably and rotatably supported in a base. A gear member is rotatably but non-slidably mounted on the support shaft and is provided with a threaded portion threadedly engaged with the base. A sleeve m... | 06/20/1978 |