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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7309194 | Variable radius balanced boring head One or more embodiments of the invention enable a boring head to hold a boring tool at an adjustable offset from the axis of rotation in a balanced configuration while maintaining stability when rotating at high speed. The apparatus comprises a boring head body, a b... | 12/18/2007 |
| 7272877 | Adjustment method and apparatus for a boring tool Method and apparatus for adjusting the position of a cutting tool. In one embodiment, a boring tool includes a coupling member which is driven by a CNC boring machine, and a sliding tool holder which is slidably coupled to the coupling member. A frictional force res... | 09/25/2007 |
| 7249917 | Boring tool A boring tool for use in a tool holder, such as a boring head, that is driven about a drive axis and includes a pair of parallel bores for mounting boring tools generally includes a body including a cutting edge and a pair of mounting shanks for mounting in the bore... | 07/31/2007 |
| 7192224 | Drilling tool A double or multiple-edged drilling tool has a base body rotatable about a drilling axis, and at least two plate seats arranged on the front face for accommodating identical interchangeable cutting plates. The cutting plates each have a machining face, and a clearan... | 03/20/2007 |
| 7185820 | Data acquisition apparatus A scanner device includes a body portion with an optical scanner module at a first forward end and having a keypad and display mounted on an upper surface. The handle portion extends from the body portion near the forward end and is oriented at a selected angle to c... | 03/06/2007 |
| 7140816 | Multi-functional tube milling head A milling head for a rotary tool, which is preferably utilized to process, prepare, or otherwise impart a desired finish to a workpiece, preferably an end portion of a tube. In a preferred embodiment, the milling head includes at least three different cutting or mil... | 11/28/2006 |
| 7089837 | Combination tool A combination tool including a base body with several reaming blades each having a chamfer and a guide surface, arranged around the circumference of the base body, for reaming a cylinder bore. The combination tool also has at least one grooving blade arranged axiall... | 08/15/2006 |
| 7029210 | Cutting tool with indexable insert A circulating tool for cutting of workpieces including a carrier element that bears at least one cutter blade insert in an exactly positioned manner. A device is provided for adjusting the position of the insert relative to the carrier element and a clamping device ... | 04/18/2006 |
| 7008147 | Cutting tool with edge-on mounted inserts A rectangular blade-type cutting tool having two edge-on cutting inserts mounted at one end of the blade in a staggered formation with their cutting edges partially overlapping. This type of cutting blade finds particular application in disc-type cutting tool assemb... | 03/07/2006 |
| 6974285 | Fine drill head with slack-free radial displacement The invention relates to a tool head, especially a fine drill head, comprising a machine shank and a tool shank having a joint center axis, wherein the tool shank has a rigid core and a head with a tool, supported by a parallel spring arrangement and is able to be e... | 12/13/2005 |
| 6966728 | Toolholder assembly A toolholder assembly for releasably holding a toolholder at a selected radial location within the toolholder assembly. The toolholder assembly includes a tool support member, an actuating bolt and an actuating centering nut. Rotation of the actuating bolt in a lock... | 11/22/2005 |
| 6957936 | Tool for machining pipe ends A tool for removing material or machining the end of a pipe. The tool having at least one and preferably two blade plates. Each blade plate includes a first cutter for machining an end surface of the pipe, a second cutter adjacent the first cutter for producing an i... | 10/25/2005 |
| 6840719 | Boring head A boring head, essentially consists of a body (1) provided with a housing (2) for receiving two tool-holders (3), capable of being radially driven via a moving device (4), and of element (5) for locking the tool-holders (3) ... | 01/11/2005 |
| 6406225 | Boring head assembly A dual cutting insert boring tool having means for adjusting the distance between the two inserts in order to adjust the diameter of their cutting path.... | 06/18/2002 |
| 6254319 | Friction and vertical cutting tool The invention relates to a friction and sinking cutting tool comprising a base member (2) to which a cutting blade (20) is exchangeably clampingly fixed by means of a clamping screw and which is adjustable in terms of its radial position by an adjusting m... | 07/03/2001 |
| 6183174 | Boring head On a tool body at least one bit carrier is mounted capable of sliding. Clamping means are provided for clamping the bit carrier against a clamp plate of the tool body. A catch plate of the tool body operates with a corresponding catch plate of the bit car... | 02/06/2001 |
| 5961259 | Rotatable type machine tool A rotatable machine tool such as a precision boring tool has a head (2) that is detachably mounted on a shank type driving element (3). The head carries a removable cutting tip (9) and includes a bearing point (8) that wedgingly seats within a transverse ... | 10/05/1999 |
| 5909986 | Boring head with simultaneous clamping The boring head has a fine movement mechanism for the tool support and a counterweight mounted in the tool body. In order to compensate for imbalance during the adjustment of the cutting tool, the counterweight is moved automatically in the opposite direc... | 06/08/1999 |
| 5857811 | Connection between a cutter holder and a tool carrier of an internal-turning head For the purpose of rigid connection of the cutter holder (9) to the tool carrier (5), the tool carrier (5) has a driving key (11) on its end side, which driving key is inserted into a corresponding transverse groove (13). The driving key (11) has a specif... | 01/12/1999 |
| 5330297 | Boring tool A boring tool comprises a body having, at a free end thereof, two insert holders which are radially adjustable by displacement relative to a groove defined by two opposing boundary surfaces and accommodating two elongate guide lugs on the insert holders. ... | 07/19/1994 |
| 5328307 | Cutting tool for working the interior and exterior contours of workpieces A cutting tool of the specified type is to be miniaturized and configured in such a manner that it is suitable for working bores having a diameter of 6 mm and more and for high-speed work with revolving tools. The solution according to the invention provides t... | 07/12/1994 |
| 5236290 | Adjustable hole cutting device A circle cutter includes a beam with a central arbor and a pair of tool holders concurrently oppositely adjustable along the beam and having a pair of vertically spaced longitudinal bores carrying screws for engaging cutting members. An extension member e... | 08/17/1993 |
| 5217330 | Adjustable cutting tool insert assembly A machining tool for adjustably securing a replaceable cutting member thereto. A tool head is provided with a flat ledge portion at one end, a positioning screw assembly for adjusting the position of a cutting member on the flat ledge portion, and a secur... | 06/08/1993 |
| 5217333 | Adjustable reamer A reamer having a single cutting blade with parallel clamping and seating surfaces seated in an anvil having converging radially outward extending planar surfaces for enhancing the clamping effectiveness of an installed anvil/cutting blade adjustably posi... | 06/08/1993 |
| 5102268 | Fine adjustment mechanism for a toolholder The present invention relates to a milling cutter having a cutter body and a plurality of replaceable tool cartridges circumferentially spaced about the outer periphery of the cutter body. An adjustment mechanism permits adjustment of the tool cartridges ... | 04/07/1992 |
| 5040931 | Coupling mechanism A mechanism for clamping a tool (e.g. a probe) and a shank together comprises a clamping pin (144), which bears against an annular lip (142) in the rear face of the probe. A shaft (148) of the pin (144) extends into the shank (150), and two diametrically ... | 08/20/1991 |
| 5000627 | Apparatus for adjusting radial displacement from rotatable shaft Apparatus for adjusting the radial displacement of a member, such as a tool bit, from a rotational shaft, such as a boring bar used in a boring operation. An aperture in the boring bar supports the tool bit, allowing it to protrude radially outwardly from... | 03/19/1991 |
| 4954024 | Precision boring tool A precision boring tool for the machining of inner faces of bores with at least one cutting plate, supported by a bracing claw, is disclosed. The cutting plate (2) is tilted versus the plane running through the cutting edge (11) of the cutting plate (2) a... | 09/04/1990 |
| 4861202 | Boring head A boring head for precision jig boring and characterized by a body with a transverse bore and carrier lapped therein to carry a boring bar eccentric to a turning axis and held erect by an adjustment, and a micrometer adjustment anchored by an anti-backlas... | 08/29/1989 |
| 4826366 | Cutting tool In a cutting tool with a head, a channel is formed through the head which receives a tool holder, the channel and holder extending perpendicular to the axis of rotation of the head. A screw in the head is provided to clamp the holder in any of a plurality... | 05/02/1989 |
| 4710073 | Tool apparatus for boring a hole The present invention is directed to a boring head tool apparatus. A new method of making the tool as well as structure which allows use of the indicated method and leads to several advantages combine to overcome problems of the art to increase boring acc... | 12/01/1987 |
| 4688971 | Reamer tool - holder for tooling machine parts The invention covers the control of the horizontal position of a reamer cutting tool in relation to a tool-holder pin. A support is surmounted by a core which slides sideways in the pin. The slide is controlled by a screw whose head forms a vernier, while its ... | 08/25/1987 |
| 4592399 | Rotary cutter assembly A rotary cutter assembly for cutting or milling the edge of a workpiece which is formed of layers of different materials. The rotary cutter assembly comprises a first cutter head and a separate second cutter head disposed in mutual coaxial relationship. T... | 06/03/1986 |
| 4551044 | Radially adjustable tool head of a cutting machine In the radially adjustable tool head there is provided a radially adjustable slide serving to accommodate a cutting tool. The slide is arranged to slide on a spindle insert at guiding members containing guiding or guide surfaces which slide in pairs upon ... | 11/05/1985 |
| 4547102 | Reamer with angled blade and full length clamp A reamer comprises a single, adjustable, elongate carbide blade clamped in position in an axial slot in the reamer periphery by means of a clamping plate, with the slot having a positive rake blade supporting fade so that the blade is adjustable along a l... | 10/15/1985 |
| 4500233 | Rotary material removing tool A rotary material removing tool has an elongated support whose rear end portion can receive torque from the motor of a boring or milling machine and whose front end portion has a front end face with a transverse recess for a carrier having in its front en... | 02/19/1985 |
| 4500232 | Boring bar A unique boring bar is disclosed which comprises a body having a generally radially extending formed through it at one end. A slide member is axially slidably positioned within the body throughbore and a standard cutting tool is secured to the slide membe... | 02/19/1985 |
| 4497601 | Cutting tool A cutting tool has a body with an external screw threaded portion on which is mounted an internally screw threaded adjustment ring, a disc spring, a tapered collet having a frusto conical surface and a clamping member. The frusto conical surface is adapte... | 02/05/1985 |
| 4486131 | Turning tool for machining the ends of shafts, journals, tubes and the like The turning tool has a disc-shaped base element 1 connectable to the spindle of a lathe and four toolholders 6, 7, each with one or more cutting plate supports 12, adjustable radially relative to the rotary axis (D-D), clampable with an adjusting screw 25... | 12/04/1984 |
| 4464088 | Device for making holes A rotary material removing tool wherein an elongated rod supports a carrier for two elongated knife holders between two legs which flank the carrier and can be biased toward each other and against the carrier by a clamping screw extending transversely of ... | 08/07/1984 |
