Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7568705 | Method and apparatus for turf aerification A novel drill for the aerification of turf grasses is disclosed. The drill comprises a chuck and a fluted turf drill bit held by the chuck. The chuck includes a locking mechanism which permits the chuck to rotate freely about its longitudinal axis when loaded in com... | 08/04/2009 |
| 7318691 | Tool apparatus for milling machine The present invention provides an automated-torque controlled tool for attachment to a milling machine. The tool comprises an elongated hollow housing defined by a neck section, a middle section, and a bottom section. The neck section is adapted to engage a spindle ... | 01/15/2008 |
| 7305747 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 12/11/2007 |
| 7284938 | Tool holder attachment structure A main shaft includes a plurality of elastic engagement pieces arrayed along an outer perimeter of an attachment hole. During and after assembly, the elastic engagement pieces elastically abut at least an outer surface of a tapered shank in a tool holder and deform ... | 10/23/2007 |
| 7243922 | Drill chuck tool bit locator A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include a spring, such as a conical spring, that can be coupled to a spindle... | 07/17/2007 |
| 7243923 | Centering drill chuck A drill includes a chuck which has a body member including a bore to receive a tool. Jaw members frictionally engage the tool to retain the tool in the chuck. A member is associated with the jaw members and the body to move the jaw members between clamping and non-c... | 07/17/2007 |
| 7137763 | Pneumatically driven deburring tool having an articulated air joint A pneumatically driven deburring device having a housing and a pneumatic motor mounted therein which is adapted to receive and drive a deburring tool. A pivot bearing is mounted within the housing adjacent the pneumatic motor. A motor support is held within the pivo... | 11/21/2006 |
| 7073952 | Stable mechanical devices for precision optical alignment and packaging An optical alignment device holds fiber collimators in place with extremely good mechanical and environmental stability. The device includes a ball with a hole traversing the ball, an upper clamping block with a first inner concave spherical surface and a lower clam... | 07/11/2006 |
| 7056076 | Method of and apparatus for transferring rolls, and roll supply carriage After a roll supply carriage housing rolls in a light-shielded case is coupled to a film manufacturing apparatus, shutters are opened, and a roll retainer shaft and a roll loading shaft are connected to each other. A motor in a roll transferring apparatus is energiz... | 06/06/2006 |
| 6939213 | Quick change adaptor for rotary machines In one embodiment, the present invention includes an apparatus including an adaptor body having a first end to be coupled to a rotary device and a second end having a tapered portion, and a tool adaptor dimensioned to fit within the tapered portion, the tool adaptor... | 09/06/2005 |
| 6932548 | Surface compensating shaving apparatus A surface compensating shaving apparatus (24) has been provided for removing a plurality of pins (12) from a surface of a pinmat (14). The apparatus (24) includes a rotary member (28) and a surface compensating member (32) t... | 08/23/2005 |
| 6634651 | Compensated tool holder for tapping spindles A tool holder for tapping spindles includes a coaxial body (5) composed of an upper hollow half-pin (6) and a lower hollow half-pin (9) which engage mutually and coaxially through a conic semielastic coupling (190) associated with a sequential threaded co... | 10/21/2003 |
| 6575476 | Chuck for holding a hub assembly A chuck grips the housing of a hub assembly to hold it fast and further engages a hub spindle that is within the housing and rotates the spindle on a bearing that is between it and the housing so that a flange on the hub may be machined with precision. Th... | 06/10/2003 |
| 6537000 | Tool fixing device in a tool holder A tool fixing device for clamping a tool in a tool holder, wherein the tool holder has a receptacle configured to clamp a shaft of the tool, has at least one static flexible element inserted into a force flow between the tool and the tool holder. The stat... | 03/25/2003 |
| 6497765 | Multi piece swivel chuck for holding conical shaped work An improved chuck for supporting elongated work pieces having conical end portions, such as single crystal ingots used to fabricate semiconductor wafers, while such. The chuck is typically used in a lathe for positioning and allowing rotation of the work ... | 12/24/2002 |
| 6352394 | Flex drive tool The present invention provides for a readily exchangeable flex tool for machining a workpiece. The flex tool includes a driver and an tool carrying body. The driver is coupled to the tool carrying body in a manner which allows the tool carrying body to ha... | 03/05/2002 |
| 5915892 | Thread-cutting chuck for CNC machine technology of rigid tapping A thread-cutting chuck for CNC machine technology of rigid tapping, with a clamping means held in a chuck shaft, particularly a collet chuck, for the tap, an accommodating part, which is held in the chuck shaft without clearance in the direction of rotati... | 06/29/1999 |
| 5882015 | Floating toolholder A tool holder that allows floating to accommodate radial displacement including: a shank, having a bore at one end, the bore being perpendicular to the longitudinal axis of the shank; a mounting head, with cavities at both ends at least one bore extending... | 03/16/1999 |
| 5836728 | Floating reamer holder A floating reamer holder includes a tool holder coupled to a mounting shank which is receivable in the chuck of the turret of a machine tool. The coupling between the tool holder and shank includes both a fine adjustment which adjusts the float in order t... | 11/17/1998 |
| 5752706 | Adjustable tool holder for machine tools A tool holder for machine tools which provides for both angular and radial alignment of the tool with respect to the working axis of the machine. A tool chuck is part of a ball and socket unit, with the ball being pivotable within the socket for angular a... | 05/19/1998 |
| 5704738 | Tool attachment assembly A tool attachment assembly having a housing with a central axis, a toolholder with a tool carrying portion and a mounting portion spaced axially from the tool carrying portion, a projection on one of the housing and mounting portion of the tool holder, an... | 01/06/1998 |
| 5458445 | Tool holder, in particular a fast exchange chuck A tool holder, particularly a fast exchange chuck preferably for thread cutting, thread shaping and the like has a receptacle having one end receivable in a machine spindle, a machine tool receptacle and the like, and another opposite end provided with a ... | 10/17/1995 |
| 5342069 | Tool holder for machine tools The tool holder has a mounting portion (1,2) on the machine side and on the tool side and is provided with a coupling device (3) which rotationally fixedly connects the mounting portions together with a radial clearance. The coupling device includes a rad... | 08/30/1994 |
| 5236289 | Shielded universal joint, jointed tool and guided surgical drill A shielded universal joint having a pivot head defining a primary axis. The pivot head has a ball and a neck. The ball has a longitudinal slot. The slot has a throat at the center of the ball. The imperfect socket head is provided having a socket and a pi... | 08/17/1993 |
| 5071101 | Mold for an intraocular/contact lens A casting mold for use in the manufacture of intraocular/contact lenses. The casting mold comprises a base and a cup-like feature attached to the base. The base has a frusto-conical configuration defined by a first planar circular cross-sectional area tak... | 12/10/1991 |
| 5013054 | Bush mounting for a floating chuck A floating chuck having a bush movably mounted on a body is disclosed. The chuck includes a plate having four holes staggered pairwise 90 degrees apart in the periphery of the plate and serving to accommodate four axial fingers, two of the fingers being 1... | 05/07/1991 |
| 4991274 | Tool holder for burnishing cutter A flexible tool holder for a burnishing cutter has a main body attachable to a rotatable member of an engraving machine, a tool holding element which is axially floatingly movable relative to the main body in an axial direction, and a spring which forces ... | 02/12/1991 |
| 4984942 | Tap wrench A tap wrench comprising a handle portion and a chuck is provided with a joint arrangement that allows for axial misalignment of the handle portion and the chuck. The joint comprises a stem that extends from the chuck and provides four planar pins equidist... | 01/15/1991 |
| 4971486 | Undercutting drill An undercutting drill for obtaining a drill hole with a conical undercut. A drill shaft is provided connected in an articulated manner through a housing and containing a universal joint to a clamping shank. The face of the housing facing the joint. The dr... | 11/20/1990 |
| 4964764 | Floating chuck with irrigating flow A floating chuck incorporating a fluid path for irrigation fluid is disclosed. Fluid passages in the body and bush are connected by a rigid tube floatingly mounted by O-rings at each end. The O-rings are in fluid-sealing relationship with opposed, enlarge... | 10/23/1990 |
| 4923344 | Coupling system for boring tools To permit easy coupling and uncoupling of a concrete or rock circular boring or milling tool element (14, 17), two coupling parts (1, 2) are provided, a first coupling part (1) being formed with a recess (7) of non-circular cross-sectional shape, for exam... | 05/08/1990 |
| 4813911 | Self-normalizing compliant drive coupling A self-normalizing compliant drive coupling (10) having a constant-velocity joint (12) attached to a unidirectional clutch (14) to accommodate axial misalignment of a drive shaft attached to the body (16) of the joint (12) and a driven shaft grasped by th... | 03/21/1989 |
| 4800802 | Hydraulic remote center compliance device The device has primary and secondary frame members interconnected by extensible and retractable positioning members connected by fluid circuits that cause extension of the member at either end of a circuit in response to retraction of the member at the ot... | 01/31/1989 |
| 4740116 | Holding device for a reamer The invention provides a holding device for a reamer tool in a machine tool, which comprises a tool holder adapted to be secured to the machine tool for rotation about a longitudinal axis, a tool receiving bushing radially displaceably guided in the tool ... | 04/26/1988 |
| 4645387 | Drill chuck for tapping and drilling A chuck has a rear chuck part centered on a rear axis and adapted to be secured to the spindle of a drill for rotation about the rear axis, a front chuck part centered on a front axis, and a universal joint interconnecting the two parts for joint rotation... | 02/24/1987 |
| 4596168 | Axially-located bar puller A bar puller adapted for mounting on a machine tool, such as a turret lathe, for engaging and pullingly advancing a workpiece bar. The bar puller has a compact cup-shaped housing provided with a stub shaft which mounts in the turret. The cup-shaped housin... | 06/24/1986 |
| 4547101 | Self-aligning tool holder A tool holding member is coupled to a driving or spindle member by a lug-and-slot universal type coupling member. The three members are held against axial separation by a pair of resiliently yieldable retaining rings which coact with the coupling member t... | 10/15/1985 |
| 4514115 | Tap holder A tap holder adapted for attachment to the main spindle of machine tool to cut internal threads in a workpiece, the tap holder including a floating mechanism by which the tap holding spindle is smoothly moved in the axial direction, the floating mechanism... | 04/30/1985 |
| 4513980 | Chuck collet An improved chuck collet in which the elements of the collet, namely the jaw segments, the mounting base, and the interconnecting flexible members, are separate elements thus permitting a selection of materials for the elements to give optimum operating c... | 04/30/1985 |
| 4439075 | Toolholder for rotary tool A toolholder for a rotary tool has a driving part adapted to be coupled to a machine spindle and a driven part in which a cutting tool may be mounted along a tool axis. The driving part and the driven part are coupled to permit pivotal movement and latera... | 03/27/1984 |
