Class 409/307 - Inside hollow work

Subclass of Class 409 - Gear cutting, milling, or planing
Definition: Apparatus particularly adapted to cutting on an inwardly
No. of patents: 24
Last issue date: 07/03/2007

Number	Title	Issue Date
7237647	Electric power steering apparatus An electric power steering apparatus includes a speed reducing mechanism for decelerating the rotation of a rotatable shaft in an electric motor and a converting mechanism for converting the output rotation of the speed reducing mechanism into the axial movement of ...	07/03/2007
7134818	Tool-holding system for high-accuracy calibration of holes The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the...	11/14/2006
6470781	Lifter bore groover tool A lifter bore groover tool having a housing in an essentially rectilinear configuration which has an upper wall and a lower wall and a plurality of side walls. The side walls include a cutting wall and another wall and facing walls there between. A bore i...	10/29/2002
6244799	Slotted component and method of manufacture thereof A machine for machining slots within a bore of a sleeve includes a work holding device, and at least one cutting tool mounted on a cutting spindle. An axis of the cutting spindle is offset from and at substantially right angles to the axis of the sleeve. ...	06/12/2001
6203258	Slotted component and method of manufacture thereof The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterized in that at least a portion of the floor of one of said slots is convex. Figure depicts sl...	03/20/2001
6132151	Device for stabilizing workstock on a broach tool guide sleeve A device for stabilizing a workstock in a slotted broach tool guide sleeve while a key broach tool extending through the guide sleeve cuts a key slot in the annular bore wall of the workstock. In a preferred embodiment the device is characterized by a pai...	10/17/2000
6095730	Table-top type key-seater An inexpensive machine of small size is exclusively used for processing a key groove, requiring no skill. It is so constructed that a voltage is applied to an insulated work table through lead wires. A piece to be processed is reciprocated in left- and ri...	08/01/2000
5924182	Apparatus for assembling bearing and stationary drum A head drum assembly for use in a video cassette recorder includes a stationary drum, a rotary shaft rotatably fitted into the stationary drum, a rotary drum closely fitted onto the rotary shaft, a lower bearing fitted into a lower portion of the stationa...	07/20/1999
5876163	CNC bore slotting machining system A bore slotting machine for cutting radially spaced longitudinal slots in sleeves for automotive power steering units comprising a cutting face adapted to operate with a bore of a component being worked; a motorized drive adapted to impart reciprocating m...	03/02/1999
5344262	Slotting apparatus for producing a slot in inner circumferential surface of tubular workpiece A slotting apparatus has a slotting tool for producing a slot of a substantially arcuate cross section axially in an inner circumferential surface of a tubular workpiece held in position. When the slotting tool moves in one direction axially in the tubula...	09/06/1994
5328309	Slotting machines A machine for machining blind-ended slots longitudinally disposed within the bore of a sleeve (1) held in a chuck (4) in a work holding spindle (5) indexable about a rotational axis, a reciprocable cutting tool (2) mounted on a cutting spindle (12) the ax...	07/12/1994
5292214	Slotting machines Apparatus for forming an array of elongate slots in the bore of a valve sleeve (1) where the slots are cut in the bore by an arcuately movable cutting tool (5) mounted on the apparatus and the movement of the cutting tool (5) to form the length and depth ...	03/08/1994
5018917	Apparatus for grooving the barrel of a plasticating machine A method and apparatus for cutting grooves onto the interior surface of the barrel of a plasticating machine in order to increase the friction against sliding unmelted resin particles. The helical screw is removed from the barrel without removing the barr...	05/28/1991
4978263	Slot forming apparatus An apparatus for forming a slot in a workpiece is disclosed. A variable radius crank, driven by a generating head assembly imparts a reciprocating/oscillating motion to a connecting rod. The distal end of an extension of the rod includes a tool for machin...	12/18/1990
4826369	Apparatus for machining splines on a tubular member Apparatus for machining splines on the internal surface of a tubular member comprising cutter means for forming the splines on the internal surface; a carrier for the tubular member for enabling the tubular member to be moved in an axial direction relativ...	05/02/1989
4773115	Sewer cleaning device Apparatus for removing obstructions from pipelines, such as sewers, comprises support means, motor means carried by the support means, cutter means adapted to be operated by the motor means, and means for locking the support means in a pipe, adjacent an o...	09/27/1988
4638541	Tools for repairing a diesel engine cylinder head A tool kit is provided for repairing the snap ring grooves of a cam follower bore in a diesel engine cylinder head without removing the cylinder head from the cylinder block. The tool kit includes a cutting tool which will both enlarge the cam follower bo...	01/27/1987
4460297	Orbital method and apparatus for making helical races Cutting apparatus forms helical races in a workpiece defining a toroidal envelope having an axis of symmetry and a circular axis perpendicular to the axis of symmetry and defining a diametric plane through the envelope by rotating the workpiece about the ...	07/17/1984
4284377	Portable key seat cutter The key seat slotter has a shank on which a pulley is adapted to be clamped. A broaching blade is slidable in a groove on the shank through the bore of the pulley. The key seat is cut in the pulley bore by manually pivoting a handle to effect repeated str...	08/18/1981
4270878	Corrugated drainage tubing and method and apparatus for making drainage tubing with helically arranged drainage openings A thermoplastic corrugated drainage tube comprising annular peaks and valleys and a plurality of drainage openings internally cut about the circumference of each valley, the openings in each valley aligned with the openings in successive valleys along hel...	06/02/1981
4248559	Controlled depth scoring system A system is disclosed for the controlled depth scoring of conduits for the pneumatic transfer of particulate plastic materials comprising: a scoring assembly having interconnected drive power inlet means, motor drive means, drive coupling means, centering...	02/03/1981
4154145	Bore slotting machine A machine for machining arcuate bottomed blind ended slots longitudinally within the bore of a sleeve member which has a cutting tool mounted for angular reciprocation so as to execute a succession of alternate cutting and retraction strokes in relation t...	05/15/1979
4138927	Internal grooving machine An internal grooving machine having a work holder arranged for supporting a workpiece on a frame adjacent a cutter arrangement which includes a ram assembly employing a grooved ram mounted for reciprocating movement relative to the workpiece in order to f...	02/13/1979
4084484	Device for removing internal circular flash According to the present invention the radial feed mechanism comprises a hydraulic cylinder on the rod of which is rigidly fixed a holder connected with the housing of the radial feed mechanism by springs which ensure the cutting force of the cutting tool...	04/18/1978

PatentStorm

Bizarre Patents

PatentStorm News

Class 409/307 - Inside hollow work