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| Number | Title | Issue Date |
| 7338235 | Internal broach An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece having a toothed section with several rows of broach cutting teeth, the rows being disposed successively counter to a direction of broaching, w... | 03/04/2008 |
| 7338284 | Endodontic instrument and instrument system An endodontic file is provided for shaping and/or preparing a root canal. The file may include multiple cutting segments separated by non-cutting segments. The cutting segments are tapered and may have a cutting edge formed by plural helical flutes. Alternatively, t... | 03/04/2008 |
| 7326012 | Broaching apparatus and method for producing a gear member with tapered gear teeth The apparatus of the present invention provides a broaching machine configured to produce an internal gear member. The broaching machine includes a broaching tool defining a central axis. The broaching tool includes a first set of broaching teeth configured to cut b... | 02/05/2008 |
| 6918716 | Internal broach An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece, comprises a toothed portion with several rows of broach cutting teeth disposed successively counter to a direction of broaching, successive br... | 07/19/2005 |
| 6857827 | Spindle for machining accurate inner grooves A spindle for machining inner grooves and including a cylindrical input guide of diameter D1 and a cutting portion. In the spindle the cutting portion is subdivided into a plurality of cutting sections separated by realigning guides having a diameter equal to... | 02/22/2005 |
| 6702524 | Broach carrier A broach tool including a row of longitudinally aligned cutting inserts (22) spaced apart by removable insert support members (25). The insert support members (25) and the cutting inserts (22) each have a root portion captured within the main body of the ... | 03/09/2004 |
| 6527484 | Helical tooth broach A helical gear tooth broach having an elongate body having a series of axially aligned and spaced teeth disposed thereon. The direction of tooth spaces or traces of the teeth in a longitudinally extending helical alignment and the direction of the gullets... | 03/04/2003 |
| 6076998 | Replaceable blade for deburring device A replaceable blade for a deburring device which is installed in a deburring mold with a cavity for inserting and pulling out a work. The replaceable blade comprises a main body, several intake channels which are provided from the surface to the inside of... | 06/20/2000 |
| 5931841 | Combination broacher-reamer for use in orthopaedic surgery A combination broacher-reamer includes a generally longitudinally symmetrical cutting tool which is provided with a plurality of longitudinal broaching cutting teeth as well as a plurality of axial reaming cutting teeth. According to a presently preferred... | 08/03/1999 |
| 5865569 | Internal broach for the internal broaching of profiles An internal broach for the broaching of profiles defined by a bottom and flanks, in particular of internal toothings, in a workpiece is provided with broach cutting teeth which have bottom-cutting edges and flank-cutting edges. Over their full profile hei... | 02/02/1999 |
| 5628589 | Internal pull broach with indexable inserts An internal pull broach is disclosed for roughing, semi-finishing and finishing at least one wall in a workpiece during a single stroke machining operation. The broach includes an elongated cutting tool holder having a longitudinal axis and a plurality of... | 05/13/1997 |
| 5503506 | High precision, high surface finish broaching tool A broaching tool has a plurality of cutting teeth for broaching a small, deep hole with high precision and surface finish. Three to eight teeth are engaged in the hole for cutting at any one time. For broaching sticky metals such as stainless steel, each ... | 04/02/1996 |
| 5435676 | Two-stage broaching of engine block bearings A method and apparatus for broaching a series of axially aligned and spaced bores in which a first broach is provided for broaching in an initial operation. The first broach has circumferentially extending cutting teeth. The first broach also has arcuatel... | 07/25/1995 |
| 5396818 | Method of making a wafer broaching tool A finish broaching tool for finish cutting helical splines on the interior of an annular workpiece has a multiplicity of groups of circumferentially disposed teeth. Each group of circumferentially disposed teeth is formed on an individual wafer adapted to... | 03/14/1995 |
| 5352068 | Broach apparatus A shell-type internal broach assembly including a number of annular insert mounting shells interleaved with a number of annular spacers, and mounted on an arbor. The annular insert mounting shells are sufficiently short so as to permit the use of travelli... | 10/04/1994 |
| 5282702 | Wafer broaching tool A finish broaching tool for finish cutting helical splines on the interior of an annular workpiece has a multiplicity of groups of circumferentially disposed teeth. Each group of circumferentially disposed teeth is formed on an individual wafer adapted to... | 02/01/1994 |
| 5242251 | Broach and process of manufacturing a broach A broach has replaceable cutting inserts. The inserts are supported to have equal hook and rake angles of about 11° to 14°. A method of producing the broach in a simplified milling setup is described.... | 09/07/1993 |
| 5224804 | Tooling system and method for broaching engine components A segmented broach bar for machining axially separated coaxial bearing bores contained within a component for an internal combustion engine includes axially separated pilot segments and axially separated broaching segments, with at least one of the pilot ... | 07/06/1993 |
| 4869623 | Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method A broaching method for finishing an outer peripheral surface of a resin layer of a resin-coated lobe-type rotor for a rotary fluid machine of a Roots type, which includes the steps of forming, with a leading grooving cutter, at least one chip-breaker groo... | 09/26/1989 |
| 4801226 | Crankshaft broaching machine and method A broaching machine and method for machining main bearings and crankpin bearings on a crankshaft for an automotive engine wherein a plurality of removable cutting tool inserts are arranged on a horizontally reciprocating slide below a rotating crankshaft ... | 01/31/1989 |
| 4740115 | Broach A broach for working the services of pre-cast or preformed pins on workpieces while the workpieces are rotating, including a broach body and having a number of sections including a roughing section provided with cutting elements including perforated rever... | 04/26/1988 |
| 4671709 | Pot broach A tooth broach designed for use with thin workpieces having its teeth arranged in circumferentially extending sets in each of which the teeth are arranged in groups of one or more teeth, and gaps devoid of teeth between adjacent groups. The teeth are furt... | 06/09/1987 |
| 4615091 | Method of and apparatus for processing a scroll member for a scroll type compressor A method of processing a scroll member having a spiral wrap and an end plate which is conducted by effecting a shaving on at least one side surface of the spiral wrap by a tool while applying to the tool both of an axial small force and an ultrasonic osci... | 10/07/1986 |
| 4462723 | Internal broaching tool A broaching tool is formed with a slot within which an adjusting member is received. By adjusting the position of the adjusting member within the slot, forces are developed against the sides of the slot to deform the broaching tool thereby to adjust the o... | 07/31/1984 |
| 4274767 | Helical toothed broach A finishing broach for a work piece having helical teeth in which an elongated broach body has a multiplicity of series of helically aligned teeth and in which each tooth has sides conforming to the profile shape of the tooth spaces between adjacent teeth... | 06/23/1981 |
| 4065222 | Pot broach A pot broach for cutting small pinions from the solid for use with a pull-up broaching machine, the pot having a multiplicity of solidly abutting flat sided internally toothed cutting rings and internally slotted support rings, with elongated toothed stic... | 12/27/1977 |
