Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8161853 | Centering bushing for centering material bars The invention relates to a centering bushing for centering a material bar which is supplied to a chuck of a lathe. An outer construction and an inner construction arranged therein are rotatably arranged about the longitudinal axis of a material bar. The inner constr... | 04/24/2012 |
| 7726220 | Inner and outer diameter chuck for a laser cutting/engraving rotary fixture A chuck for a laser cutting/engraving rotary fixture comprises a chuck plate having a chuck plate axis of rotation and at least two mount brackets spaced symmetrically radially with respect to one another about the chuck plate axis of rotation. Each mount bracket co... | 06/01/2010 |
| 7607377 | Axial alignment mechanism with isolated slant disks An alignment mechanism that employs two slant disks to adjust alignment between the axes of rotation of a lathe spindle and a wheel hub has a float plate positioned between the slant disks. Rotation of the float plate is limited with respect to a base, which affixes... | 10/27/2009 |
| 7472633 | Transmission apparatus for balance test operation A transmission apparatus includes a frame, a rotating disk fitted on the frame, platforms on the rotating disk, an inner rotating member fitted on the frame, a clutch, and an actuating mechanism for moving the clutch; the platforms have clamping jaws for clamping a ... | 01/06/2009 |
| 7188420 | Method for manufacturing bevel gears A method for manufacturing a bevel gear member, comprises the steps of providing a bevel gear blank having a gearhead, forming gear teeth on the gearhead of the bevel gear blank by simultaneously cutting gear tooth top land, gear tooth side profile and a bottom land... | 03/13/2007 |
| 7089838 | Zero centerline toolholder assembly A zero centerline toolholder assembly includes a cutting insert mounted to a toolholder. The center, RC, of the nose radius of the cutting insert is aligned with or lies on a centerline, LT, of the toolholder. The centerline, LT, of the toolholder may be also aligne... | 08/15/2006 |
| 6655244 | Centering apparatus and method A centering apparatus for centering a disk about a center member such as a shaft or hub includes a plurality of pairs of actuator units. The actuator units of each of the pairs faces each other through the disk. Each of the actuator units has a member whi... | 12/02/2003 |
| 6637307 | Method for machining a workpiece and chuck with a center pin for implementing it In order to machine a workpiece on a machine-tool successively between centers and with the workpiece clamped in a chuck, the workpiece is held during at least one machining operation--and if necessary between different kinds of machining--through the axi... | 10/28/2003 |
| 6637306 | Lathe assembly and method of operating the lathe assembly A lathe assembly having a guide with a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a working position. A sensor assembly is capable of detecting th... | 10/28/2003 |
| 6519861 | Mechanical centering apparatus and method A workpiece (22) having a periphery is centered using a centering apparatus (20) having a workpiece spindle (24, 28) operable to rotate the workpiece (22) about a rotational axis (26), and a centering head (29). The centering head (29) includes a mount (3... | 02/18/2003 |
| 6439087 | Mechanism for gripping and rotating pipe, including plastic covered pipe Plastic surface pipe rotary drive apparatus, comprising in combination a drive rotor rotatable about a central axis; a set of jaws spaced about a central axis, and operatively connected to a rotor to rotate about parallel jaw axes in response to rotation ... | 08/27/2002 |
| 6401348 | Electrodynamic rotational axis acquisition tool A rotational acquisition tool has a rotatable mounting body including a first side and a second side opposite the first side. A sleeve has a first end fixedly mounted in the body and a second end extending from the first side. A dynamic cylinder is mounte... | 06/11/2002 |
| 6397712 | Lathe chuck with jaw-position monitor A lathe chuck has a rotatable chuck body formed with jaw guides and with respective secantally extending rack guides crossing the jaw guides. Jaws are radially displaceable in the jaw guides between radial inner and outer end positions and have axially ba... | 06/04/2002 |
| 6123000 | Centering spindle for a machine tool including an isolation spacer A centering spindle for use with a workpiece which is to be induction hardened includes a generally cylindrical outer housing into which a shaft is positioned and mounted in spaced relation to the housing by a bearing arrangement. The bearing arrangement ... | 09/26/2000 |
| 6092447 | Shave tool holder including a precise calibration assembly for machining a rotating workpiece A shave tool holder having a body, a platform base and a vertically extending superstructure. An elongate shank portion extends from the body and mounts the body to a holder block. The holder block is reciprocally actuated in a horizontal direction in com... | 07/25/2000 |
| 6053083 | Turning and boring machine with double centering positioners A work station between an active spindle adaptor and a passive spindle adaptor having a common rotational axis, receives a workpiece ring supplied from a loader shuttle. The ring has circular outer edges in parallel spaced planes perpendicular to the cyli... | 04/25/2000 |
| 5957017 | Dead center for machine tools A dead center work support for a machine tool comprises a plurality, preferably at least three concentrically rounded raised radial projections defining the bearing surface of the dead center. The radial projections may be disposed either on the external ... | 09/28/1999 |
| 5919083 | Centering template for concentric grinding There is disclosed a self-centering template useful for centering cylindrical bodies on their axes in rotating machines such as a concentric grinder. The centering templates of the invention are generically cup-shaped plates, having an end disc with a dep... | 07/06/1999 |
| 5860341 | Self-centering steady with retractable gripping arms A self-centering steady of the closed type includes a housing (H), an actuator (14), a center gripping arm (11) and a pair of side gripping arms (12, 13) intended to grip a workpiece (P) under the action of the actuator (14). The actuator is provided with... | 01/19/1999 |
| 5771762 | Quick-coupling face-driver assembly of a rotary drive device and method for changing face drivers A face-driver assembly and method for accurate coupling of a face driver with the spindle of a rotary-drive machining device. The assembly includes a face driver, a hub on the spindle defining a prealignment bore, a pair of self-centering coacting tooth s... | 06/30/1998 |
| 5711835 | Method of machining a drum-shaped workpiece for an x-ray diagnosis apparatus or photocopier A drum-shaped workpiece (37) is machined according to a method whereby the workpiece (37) is fastened to a rotatable holder (1) of a machine tool (3) by means of an adhesive (45), for example a mixture including rosin and beeswax, such that a centerline (... | 01/27/1998 |
| 5711198 | Vertical lathe workpiece support structure A support structure for laterally supporting a workpiece in a vertical lathe so as to hold the axis of the workpiece aligned with the vertical support axis of the lathe. The support structure includes a rod which is vertically supported on the lathe. The ... | 01/27/1998 |
| 5622092 | System for simultaneously setting stroke on a crankshaft lathe A system is disclosed for simultaneously and more efficiently setting the stroke position of a crankshaft on a crankshaft lathe and a method of using the system in combination with the lathe for regrinding, building-up by welding or other machining of jou... | 04/22/1997 |
| 5518052 | XY log charger A log charging apparatus for a veneer production line. A log to be peeled is supported in a non rotative manner at a scanning station. The log is scanned and the scan data is input to a computing device to determine an optimum cylinder of the log and to d... | 05/21/1996 |
| 5517886 | Centering device having work rest control responsive to carriage detection means A centering device includes a plurality of work rests disposed along the longitudinal direction of a bed of a lathe. Each of the work rests is movable between a first position for supporting a work and a second position spaced from the work. A control dev... | 05/21/1996 |
| 5408906 | System for simultaneously setting stroke on a crankshaft lathe A system is disclosed for simultaneously and more efficiently setting the stroke position of a crankshaft on a crankshaft lathe and a method of using the system in combination with the lathe for regrinding, building-up by welding or other machining of jou... | 04/25/1995 |
| 5373760 | Live center adapter assembly for machine tools A live center adapter assembly is made up of an elongated housing, a center adapter inserted into the end of the housing with a recess in the adapter having a rearwardly tapered inner wall for insertion of a center therein. Axially spaced needle bearings ... | 12/20/1994 |
| 5267380 | Method and apparatus for centering a rotary body In a method and apparatus for centering a rotary body such as a motor vehicle tire the rotary body is put into a centered position by means of a plurality of centering means which engage the circular periphery of the rotary body at distributed positions a... | 12/07/1993 |
| 5228371 | Bar feeding machine for a lathe A bar feeding and handling machine. A frame bar is mounted in parallelism with the axis of a machine chuck. The chuck is adapted to support a workpiece. Link members are pivotally attached to the frame bar adjacent to opposite ends thereof. A pneumatic cy... | 07/20/1993 |
| 5213348 | Workpart chuck positioning mechanism with independent shoes A workpart chuck centering mechanism moves towards the axis of rotation of the chuck as the chuck rotates in an eccentric non-centered position. The centering mechanism includes two independent shoes. Each shoe is driven by a servo-motor and encoder. The ... | 05/25/1993 |
| 5178037 | Centering and fixing apparatus A centering and fixing apparatus for a movable element includes a swing arm that is pivoted on a fixed base member for movement in a vertical plane. A fixing arrangement is mounted on the swing arm. The movable element includes a centering arrangement ada... | 01/12/1993 |
| 5108117 | Workpart chuck positioning mechanism with independent shoes A workpart chuck centering mechanism moves towards the axis of rotation of the chuck as the chuck rotates in an eccentric non-centered position. The centering mechanism includes two independent shoes. Each shoe is driven by a servo-motor and encoder. The ... | 04/28/1992 |
| 5082299 | Adjustable rotational coupler An adjustable rotational coupler includes a housing having an interior bore concentric with a central axis of the housing. The housing is mountable to a mounting member. Threaded adjusters can be used to adjust the housing with respect to the mounting mem... | 01/21/1992 |
| 5074177 | Machine tool with automatic workpiece clamping device A machine tool has a pair of rotary spindles which support opposite ends of workpiece to be machined. At least one of the spindles is driven and a ring having a plurality of arms is coaxially secured to this spindle for rotation therewith. The arms entrai... | 12/24/1991 |
| 5048384 | Centering device A device for centering a feedback tachometer on an output motor shaft. The device includes a housing disposed on the motor shaft. The housing includes a base and flange in which is received a mandrel shaft. The central axis of the mandrel shaft may be ali... | 09/17/1991 |
| 4951421 | Device for centering of optic lenses in a mechanical mounting, in particular during edge cutting and bevelling To center optic lenses in a mechanical mounting, in particular during edge cutting and bevelling, the invention includes a device with a housing (10), in which a motor drive (M, R) acts through a torque part (50), drive shafts (14, 14') and drive elements... | 08/28/1990 |
| 4941291 | Device for centering of optic lenses in a mechanical mounting, in particular during edge cutting and bevelling For centering optic lenses in a mechanical mounting, in particular during edge cutting and bevelling, a device with a housing (10) is provided, in which housing a split drive shaft (14, 14') with a torque divider (50) is supported. Two centering spindles ... | 07/17/1990 |
| 4926337 | Automatic workpart centering mechanism for a chuck An automatic workpart centering mechanism for a magnetic or other chuck of a machine tool is provided. A computer microprocessor controls a digital air pressure regulator and/or an air solenoid valve to supply air pressure to a pneumatic centering hammer ... | 05/15/1990 |
| 4828437 | Apparatus for supporting a workpiece A method and apparatus for rotatably supporting a workpiece WP includes a bearing ring 300 which extends around a center support member 204. The bearing ring is deflectable inwardly at a plurality of spaced apart locations 310 to engage the center support... | 05/09/1989 |
| 4790545 | Workpart centering mechanism for a chuck A workpart chuck is provided with a centering member that is movable toward the axis of rotation of the chuck as the chuck rotates the workpart in an eccentric non-centered position. As the centering member moves the workpart, a sensing device senses the ... | 12/13/1988 |
