"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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 |
| 7258515 | Tool holding fixture and insert tool The invention is based on a tool holder for a power tool (i0), in particular for a hand-guided power angle grinder, having a slaving device (12) by way of which an inserted tool (14), which has a disklike hub (64), can be operatively conn... | 08/21/2007 |
| 7258348 | Machining fixture for centering and holding workpiece A centering and holding fixture includes a base, a piston disposed within a piston chamber at least partially located within the base, and a radially flexible ring connected to the piston by force transmission apparatus operable to contract and expand the radially f... | 08/21/2007 |
| 7204493 | Lathe chuck with stepped jaws A chuck for mounting wheel castings having different diameters upon a wheel lathe for machining the casting to final shape is provided. The chuck includes stepped jaw inserts that cooperate with corresponding stepped part supports to securely mount the wheel casting... | 04/17/2007 |
| 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 |
| 6997656 | Device and assembly for holding an object A device for holding an object, and an assembly for holding and rotating an object. The device includes a base, a series of posts, each of which is equidistant from a center point of reference and further pivotably holds a follower rotationally linked to all other f... | 02/14/2006 |
| 6994000 | Fixture and locator device for supporting a rotatable member There is provided a locator device and an associated fixture and method for supporting a rotatable member. The locator device has a base and a plurality of flanges extending from the base in an axial direction and arranged circumferentially to define an aperture for... | 02/07/2006 |
| 6918599 | Anti-deflection tooling Anti-deflection tooling is provided for a pull back chuck. Equally spaced gussets are disposed between the riser body and the face plate of the chuck, to minimize or eliminate deflection of the face plate when a workpiece is clamped into the chuck. Adjustment device... | 07/19/2005 |
| 6332734 | Method and apparatus for mounting a supply roll or recording media to a support shaft in an imaging system A method and apparatus for mounting a supply roll to a rotatable support shaft in an imaging system. The apparatus includes a first collet/collar assembly for accurately positioning the supply roll at a desired location on the support shaft, and a second ... | 12/25/2001 |
| 6283686 | Supporting and centering device for use in the production of double-toothing sprocket wheels or pulleys and method of using same Centering device acting upon an already present first ring (14a) of a straight or double helical toothing of gears, sprocket wheels or pulleys to obtain the second ring (14b) of the toothing generated by a pinion shaped cutter (16), a central groove (19) ... | 09/04/2001 |
| 5251510 | Ring gear fixture and machining process therefor The present invention relates to a fixture and method for positioning and holding a gear to be machined, as for example in a ring and pinion gear set for vehicle axles. The fixture includes a base, a clamp and a locator. The base has a surface against whi... | 10/12/1993 |
| 4996758 | Method and apparatus for spur and helical gear manufacture A method is described for assuring concentricity of a gear's pitch circle with its axis, the pitch circle having a non-constant radius about the axis. The method comprises the steps of: determining the gear's pitch circle and its position of maximum radia... | 03/05/1991 |
| 4671520 | Device for holding workpieces during machining operations It has been hitherto customary durig machining of workpiece, such a grinding of gear wheels, to slip a roller cage over the gear wheel. The chuck jaws of the chuck then hold the workpiece by way of the rollers in a roller cage. The time concuming operatio... | 06/09/1987 |
| 4483105 | Device to hold workpieces for the honing of their axial center bore A device to hold workpieces, in particular gears, to hone an existing axial center bore, consisting of a workpiece support member, which may be loaded and unloaded from one side. Levers supported pivotably in grooves formed in the workpiece support member... | 11/20/1984 |
| 4416459 | Collet chuck for splined workpieces A chuck for splined workpieces includes at least two collets, the resilient fingers of which are circumferentially interdigitally related. The work-engaging surfaces of circumferentially adjacent fingers of the chuck are spaced apart a distance at least s... | 11/22/1983 |
| 4415172 | Friction welding machine having an expanding mandrel backstop assembly An improved mandrel chuck for the backstop assembly of a friction welding machine holds a first interiorly lobed workpiece as a second rotating workpiece is displaced into forceful engagement therewith. The improved chuck comprises a main body portion, an... | 11/15/1983 |
| 4384466 | Hydraulic control circuit for loader of thin-wall spline rolling machine A hydraulic control circuit (10) for operating a loader (12) of a machine for splining an annular thin-wall sleeve of a power transmission member is disclosed as including valving (116) for communicating supply and return conduits (102,116) with load and ... | 05/24/1983 |
| 4383428 | Loader for thin-wall spline rolling machine A loader (12) for a spline rolling machine wherein die and mandrel teeth (26,42) mesh with the thinwall sleeve (44) of a power transmission member (30) located therebetween to form splines therein is disclosed as including a loading member (58) with a loc... | 05/17/1983 |
| 4320675 | Mandrel for the coaxial external machining of workpieces with internal toothing In a mandrel for the coaxial external machining of workpieces with internal toothing, a reception sleeve with an external toothing corresponding to the workpiece toothing and having openings along the clamping length extending only on a portion of the cir... | 03/23/1982 |
| 4316614 | Holding chuck A multiple jaw holding chuck (10) is provided which is quickly and easily adjusted to grip workpieces (W) on either the interior or exterior surfaces thereof. The holding chuck comprises a housing (12) having a plurality of bores (34) formed therein in wh... | 02/23/1982 |
| 4312513 | Gear holding hydraulically actuated chuck This application discloses a work-holding chuck particularly for gears with their exterior teeth finished or substantially finished as by grinding, shaving and the like. This chuck has a plurality of hardened and finished pins which are moved and secured ... | 01/26/1982 |
| 4067586 | Diaphragm chuck A diaphragm chuck having a plurality of circumferentially spaced jaws fixedly mounted on the diaphragm and a ring releasably interengaged with the jaws. The ring has a plurality of radially movable pins thereon which, when the diaphragm is flexed, are ada... | 01/10/1978 |