Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7339158 | Rotary encoder A rotary encoder is clamped coaxially with its pickup shaft (14) on a drive shaft (12) which is to be measured. Two collet chucks are provided for this purpose. The one collet chuck is constructed as a clamping sleeve, which penetrates the pickup shaft... | 03/04/2008 |
| 7331585 | Machining adapter having a collet and positive axial stop An adapter for holding a workpiece to be machined in an accurately located axial position can include a main sleeve having an interior wall defining a passage extending therethrough with at least one inner surface angled inwardly toward a centerline of the passage, ... | 02/19/2008 |
| 7314215 | Universal angle self-adjusting V-block workpiece holder A new and improved pivotally angled V-block work holding instrument that embodies the varied uses of the present invention is herein introduced. It provides a holding device to enable the support of a workpiece for machine tooling comprised of a base block having a ... | 01/01/2008 |
| 7147546 | Tool holder with moveable alignment finger Method and apparatus for facilitating sharpening of a tool. A tool holder is provided to present the tool for sharpening against an abrasive member, such as a grinding wheel. A moveable jaw member preferably engages a side of the tool to align the tool with a refere... | 12/12/2006 |
| 7137632 | Force limiting workpiece holding device A force limiting workpiece holding device for holding a workpiece in a workpiece processing assembly having a spindle and a closer that applies a force, comprises a workpiece holder slidably mounted to the spindle. The workpiece holder includes a plurality of circum... | 11/21/2006 |
| 7021705 | Children's chair A child safety, folding seat includes support members pivotally joined to a seat member. The seat member pivots between folded and unfolded conditions, and a lock locks the seat in the unfolded condition when the seat members is unfolded. Preferably, the lock is spa... | 04/04/2006 |
| 6945145 | Quick action tap wrench A quick action, cam operated hand tool holder, such as a tap wrench. The cam is moveable between at least one released and one locked positions, preferably by a conventional T-handle. A third position may also be provided which may be either a second locked or a sec... | 09/20/2005 |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 6913429 | Tooless bit retaining assembly A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torqu... | 07/05/2005 |
| 6572119 | Axial chuck A clamping sleeve/tensioning device comprises a clamping sleeve that is positioned inside a conical centering opening of a housing body. A chucking mechanism with rotational body is used to tighten or release the clamping sleeve. The rotational body is pr... | 06/03/2003 |
| 6270086 | Collet actuator for tool holder A tool holder includes a body, a collet, and a collet mover. The body is formed to include a collet chamber and a collet-mover chamber arranged to communicate wit the collet chamber. The collet includes a tool-gripping surface arranged to define a tool-re... | 08/07/2001 |
| 5984595 | Tool holder A tool holder having a holder body, a collet, an intermediate rod, a clamp bolt and a pull stud. The collet and the intermediate rod are integrally connected by screwing. A spacer is mounted to the front end of the holder body and has an opening hole with... | 11/16/1999 |
| 5927913 | Tool holder A tool holder having a holder body, a collet, an intermediate rod, a clamp bolt and a pull stud. The collet and the intermediate rod are integrally connected by screwing. The collet is retracted into the holder body via the intermediate rod by rotating th... | 07/27/1999 |
| 5772219 | Collet stop A clamping collet of the type used in spindle lathes is provided having a stop mechanism to effect accurate positioning of the workpiece. The stop mechanism includes a rod that is reasonably held in position by a locking collet.... | 06/30/1998 |
| 5758883 | Differential thread collet actuation An apparatus for adjusting the grip of a tubular collet upon work, the collet receivable in a bore formed by a holder, and comprising a rotatable connector member having first and second thread connections to the collet and to the holder, respectively; th... | 06/02/1998 |
| 5664917 | Cutter head with internal drive for machining workpieces A machine tool to machine a workpiece including linear slide blocks supported one by the other on a pedestal to present a mounting surface for supporting a workpiece, a support head including a rotary indexing table that in turn supports an elongated cutt... | 09/09/1997 |
| 5661909 | Blade mounting device in cutting tool A blade mounting device is operable for mounting a blade on a movable member of a cutting member which is moved in a predetermined motion for a cutting operation. The blade mounting device includes a pair of claws mounted on the movable member and operabl... | 09/02/1997 |
| 5622373 | Chucking device A chucking barrel is connected to a holder capable of being fitted into a rotation spindle of a machine tool. A plurality of axially extending projections are disposed in equally spaced relationship as viewed in the circumferential direction on the connec... | 04/22/1997 |
| 5609446 | Combination tool A combination tool has a tool holding fixture for connecting the combination tool to a drive spindle of a machine tool. The tool holding fixture includes a receiving member. A grip with tensioning sleeve is provided. The grip is received in the receiving ... | 03/11/1997 |
| 5374135 | Mounting machine with ready transportability A mounting device for mounting a machine element to a shaft, particularly in critical timing and high torque applications, is specifically adapted to be frequently assembled and disassembled without coming apart or in any way adversely affecting the opera... | 12/20/1994 |
| 5330203 | Method of generating a toric surface on a molding tool An improved method for generating a toric surface on a molding tool for forming contact lens molds comprises: (a) providing a tool which comprises an elongated body and a molding portion at one end of the tool, wherein the molding portion comprises a surf... | 07/19/1994 |
| 5316324 | Collet-and-shank assembly A collet-and-shank assembly for gripping a work piece or tool used in rotary cutting equipment. The assembly includes a dual-threaded nut that enables the machine operator to lock and release the device from a single end. The dual-threaded nut is complete... | 05/31/1994 |
| 4884821 | Collet chuck A collet chuck having a tubular housing with the inside diameter tapering outwardly at one end to match the taper of an inserted collet, threads on the reduced outside diameter of the housing at this same end for a collet closer or disc tightener to screw... | 12/05/1989 |
| 4869136 | Fastener gripping mechanism for bolt running operations A fully automated tool for holding threaded fasteners during fastener insertion, removal, or transport is described. The device is capable of handling different sized fasteners and can be used with remote manipulator systems or in hand-held operations.... | 09/26/1989 |
| 4676599 | Micro-optical lens holder A micro-optical lens holder having a lens receiver movable within a collar. The lens receiver has an indentation therein in which the lens is placed and a longitudinally extending passageway for allowing light to pass through the lens. The collar circumsc... | 06/30/1987 |
| 4661029 | Quick disconnect collet assembly A quick disconnect coupling mechanism for a collet and collet tube facilitates connection and disconnection of the two members to and from one another. In a preferred form, the collet is provided with circumferentially spaced external threaded portions wh... | 04/28/1987 |
| 4461330 | Portable woodworking power tool A woodworking power tool comprising a base plate having a motor mounted thereon at one end of the base plate. The motor has a motor housing on which a spindle housing is mounted for rotation through an arc of 180°. The spindle housing has a spindle there... | 07/24/1984 |
| 4263903 | Medical staple means The head or bridge portion of an otherwise standard medical staple is provided with an elongated groove in each transverse side thereof. The jaw members of a medical staple holder are provided with elongated ridges for extending into the grooves in the st... | 04/28/1981 |
| 4093247 | Chuck A drill holding chuck is provided having particular utility for use with a drill sharpening tool. The chuck includes an outer tubular housing having cylindrical ends rotably receivable in bearing members to provide spaced support for the chuck and the jaw... | 06/06/1978 |
| 4015510 | Mounting for rotary machine tool particularly for gear hobbing machines A gear hobbing machine, which comprises a hobbing spindle which is supported at its outboard end in a bearing assembly attached to but removable from a supporting member and including a bearing sleeve surrounding the spindle, and means between the sleeve ... | 04/05/1977 |
