Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8104999 | Cutting tool and cutting insert therefor A cutting tool for grooving and turning operations has a removably securable cutting insert. The cutting insert is clamped in an insert holder with a longitudinally extending insert receiving slot lower surface. The insert receiving slot lower surface has two spaced... | 01/31/2012 |
| 7959384 | Tool for chip removing machining and a basic body therefor In an embodiment, the invention provides a tool for chip removing machining, including a replaceable cutting insert and a basic body. The basic body includes a rear fixing part, a front supporting part having an insert seat, and a tightening part spaced apart from t... | 06/14/2011 |
| 7896585 | Cutting tool and cutting insert therefor A cutting tool includes an insert holder and a cutting insert releasably retained between upper and lower jaws of the insert holder. The lower jaw is provided with forward and rear projections. The forward projection has forward projection front and back abutment su... | 03/01/2011 |
| 7866924 | Clamping mechanism for cutting insert A clamping mechanism for a cutting insert that clamps the cutting insert in an insert mounting seat having a pair of contacting surfaces facing each other. Contacting surfaces of the insert mounting seat are provided with a pair of inclined planes inclined so as to ... | 01/11/2011 |
| 7407347 | Tool for chip removing machining A tool for chip removing machining includes a holder and at least one cutting insert received in the holder. The holder is provided with at least one insert pocket, in which the cutting insert is intended to be received, and an opening connected to the insert pocket... | 08/05/2008 |
| 7396196 | Cutting machining tool A cutting machining tool, especially of a boring bar type, has a holding device (10), one end of which is provided with a fixing shaft while its other end is provided with a seat (12) for a removable cutting member (16). The cutting member encom... | 07/08/2008 |
| 7384218 | Clamping mechanism for cutting insert A clamping mechanism for a cutting insert that clamps the cutting insert in an insert mounting seat having a pair of contacting surfaces facing each other. Contacting surfaces of the insert mounting seat are provided with a pair of inclined planes inclined so as to ... | 06/10/2008 |
| 7331736 | Metal cutting tool A cutting tool assembly (14) including a tool holder (20) having a removeable clamp (20a). A cutting insert support blade member (16) is removably held in the tool holder by the clamp (20a). The cutting insert support... | 02/19/2008 |
| 7331096 | Cutting tool The present invention relates to cutting tools and, more particularly, to cutting tools having inserts and insert-receiving recesses with curved surfaces. The cutting tool includes a toolholder having a recess and an insert adapted to be received in the recess. The ... | 02/19/2008 |
| 7329072 | Clamping mechanism for cutting insert, and cutting insert There is disclosed a clamping mechanism for a cutting insert that clamps the cutting insert by inserting the cutting insert into an insert mounting seat. The insert mounting seat is formed in a tip of a holder having a pair of contacting surfaces facing each other, ... | 02/12/2008 |
| 7326006 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is retained by a retaining screw. The cutting insert comprises a rear surface and a lower surface, both of which are generally V-shaped. ... | 02/05/2008 |
| 7322776 | Cutting tool inserts and methods to manufacture The present invention relates to cutting tool inserts. A cutting tool insert includes an abrasive tip of a hard material, an abrasive or superabrasive material. A cutting tool insert is bonded to an insert body by mechanical force. The mechanical forces are generate... | 01/29/2008 |
| 7322775 | Quick change holder for cutting tool A self contained, toolless quick change tool holder for cutter inserts on machine tools comprises a housing having at least one seat portion which is adapted to receive and conform to the shape of a cutter insert. A clamping arm is mounted in the insert housing. The... | 01/29/2008 |
| 7275896 | Grooving cutting insert having a circular cutting edge provided with relief recesses A cutting insert for grooving operations includes an elongated clamping portion and a cutting portion. The cutting portion has a chip rake surface and a relief surface meeting at a cutting edge. The relief surface has a plurality of recesses extending to the chip ra... | 10/02/2007 |
| 7270503 | Cutting tool for rotating and drilling into solid blocks The invention relates to a cutting tool for rotating and drilling into solid blocks, comprising a drill shank (1) and a cutting head (2) on one end. The cutting head (2) has a straight, front-face cutting edge (4) extending approximately ... | 09/18/2007 |
| 7255518 | Insert seat formed of ridges A tool body includes an insert seat for receiving a cutting insert for chip-removing machining. The insert seat includes a bottom surface and support surfaces upstanding from the bottom surface. Each support surface comprises at least three ridges separated by groov... | 08/14/2007 |
| 7217068 | Tool holder for cutting bodies Tool holder for cutting bodies (5) may be mounted on a base holder (15) by a fixing device (41), and a cooperating stop extending in a plane in the direction of the tool holder. A positive positional fixing against any movement along the three a... | 05/15/2007 |
| 7201545 | Tool, a cutting insert, a shim and use of the cutting insert The present invention relates to a tool, a cutting insert and a shim for cutting machining. The tool includes a holder for turning or milling, a shim and an indexable cutting insert. The shim has an upper side and the cutting insert has a lower side. The lower side ... | 04/10/2007 |
| 7179021 | Cutting insert holder A cutting insert holder for releasably clamping a quadrilateral cutting insert in a predetermined clamping position, the cutting insert having a through bore and a non-obtuse insert mounting corner. The cutting insert holder includes a clamping portion formed with a... | 02/20/2007 |
| 7163361 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is resiliently retained. The cutting insert includes a locating portion and a cutting portion having a rake surface and a relief surface. The locating portion extends from the cutting portion away from the rake surface. ... | 01/16/2007 |
| 7156588 | Cutting head for rotary cutting tool A cutting head for a rotating cutting tool for metal cutting operations. The cutting head has an axially adjustable cartridge which is an integral single piece. A slit divides the cartridge into a clamping portion and a main body portion, the clamping portion being ... | 01/02/2007 |
| 7140407 | Configurations and designs for stump grinding teeth and corresponding holding brackets A new design and configuration for tree stump cutting tooth and its corresponding holding bracket. Notch(s) on the tooth and rib(s) on the bracket are used to allow fast installation of tooth without gauging, reduced the time needed for such necessary tasks. The not... | 11/28/2006 |
| 7131794 | Rotatable cutting tool A rotatable cutting tool has a cutting tool body having at least one recess for receiving a replaceable insert. The recess has a wall defined by a deformable clamp extending radially from the tool body, the clamp having a leaf isolated from the tool body except at t... | 11/07/2006 |
| 7090443 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is retained by a retaining screw. The cutting insert comprises a rear surface and a lower surface, both of which are generally V-shaped. ... | 08/15/2006 |
| 7090585 | Nail manufacturing tool holder having a quick change mechanism A clamping jaw for gripping wire stock used in nail production machines includes a quick change system that allows efficient replacement of a removable tool insert. The clamping jaw includes a main body that is partially split so as to define a gap between first and... | 08/15/2006 |
| 7073986 | Dimpled insert with retaining clamp A wear insert for a tool holder includes a top surface and a bottom surface with a dimple disposed in the top surface. A boss is disposed within the dimple. The tool holder for releasably securing the wear insert has a tool holder body including an insert-receiving ... | 07/11/2006 |
| 6974283 | Cutting device A cutting device includes a holder (10) provided with a jaw-like opening (24) on a clamping head (20) that serves to accommodate a metal-cutting tool (22). The jaw-like opening (24) is located on a longitudinal side (16) of ... | 12/13/2005 |
| 6971823 | Cutting tool and cartridge therefor A. cutting tool for metal cutting operations employing detachable cutting insert secured to cartridges. The cartridges have a clamping portion that is resiliently transformable between a normally non-expanded state and a biased expanded state by means of a clamping ... | 12/06/2005 |
| 6929426 | Indexable cutting tool A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion t... | 08/16/2005 |
| 6926472 | Tool for chip removing machining and rotatable cutting insert for such tools A cutting tool includes a basic body having a insert seat and a rotatable cutting insert mounted on a connecting surface of the seat. The insert includes a chip cutting top side, a bottom side and an outer peripheral side, whereby there is a cutting edge in the area... | 08/09/2005 |
| 6921234 | Tool and toolholder for chip forming machining An indexible cutting insert has a connecting surface formed by alternating parallel ridges and grooves. Each ridge is defined by a pair of flanks which converge in an outward direction. Each ridge includes a convexly curved surface portion for making line contact wi... | 07/26/2005 |
| 6814526 | Insert holder for parting and grooving operations A holder is designed to receive a cutting insert intended for parting and grooving operations. The insert is clampable in a seat formed between a blade tongue and a clamping finger which respectively extend from lower and upper front parts of the holder. A gap separ... | 11/09/2004 |
| 6702529 | Cutting tool for parting and similar operations A parting tool includes a thin holder forming a groove open at one end, and a double-ended cutting insert mounted in the groove. The insert includes front and rear cutting edges and a rear end surface abutting against a rear support surface of the groove.... | 03/09/2004 |
| 6695549 | Cutting tool assembly A cutting tool assembly having a cutting insert with a generally cylindrical portion and an axially extending radial projection. The cutting insert is located in an insert retaining portion with the axially extending radial projection protruding from an a... | 02/24/2004 |
| 6582163 | Cutting insert and holders therefor A tool for chip removing machining includes a holder and a cutting insert removably mounted therein. The insert includes a shaft having opposite ends and defining a first longitudinal center line. A cutting head projects integrally from at least one end o... | 06/24/2003 |
| 6579044 | Metal-cutting tool The invention pertains to a metal-cutting tool with at least one recess (2) for receiving a cutting insert (3). The cutting insert (3) is securely clamped in the recess (2) by an elastic clamping arm (8), which forms the upper contact surface (14) of the ... | 06/17/2003 |
| 6572309 | Key for widening an insert seat of a holder A holder includes a seat which removably carries a cutting insert for chip removing machining. The seat can be widened by the manual application of a force to enable the insert to be replaced. The force is applied by a manually actuable key which includes... | 06/03/2003 |
| 6565292 | Cutting tool A cutting tool has a cutting insert resiliently clamped in an insert pocket. The cutting insert has an abutment surface in the form of a circular segment protruding from a bottom face. The insert pocket has a base jaw with an abutment surface in the form ... | 05/20/2003 |
| 6558087 | Machining tool for high-speed machining A machine tool, which is also suitable for high-speed machining in metal cutting, for which at least one cutting body is held by a clamping device in a plate seat of a tool holder, which is bounded only by a back pressure supporting surface and by a suppo... | 05/06/2003 |
| 6454498 | Clamping arrangement including a holder blade and a keying arrangement for a cutting insert A clamping arrangement includes a holder blade having a body portion, the body portion having a key slot and a key recess are disposed relative to each other and relative to an insert-receiving slot such that, when a first keying member of a key is receiv... | 09/24/2002 |