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The Gleason Works Patents
Assignee:
The Gleason Works
Address:
Rochester, NY
No. of patents:
144
Patents:


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Patent Number Title Of Patent Date Issued
RE31627 Quill drive with variable feed July 10, 1984
A quill drive comprising a housing adapted for mounting on machine tools. A quill is slidably mounted in a longitudinal bore in the housing, and is longitudinally positioned by a ball screw. The ball screw is driven for longitudinal positioning of the quill by a variable speed, reversibl
RE28926 Gear tooth design August 10, 1976
A new gear design providing increased load-carrying ability while being particularly adaptable to manufacture by lower-cost forming methods with powder metal or plastic materials. The teeth of the gears are unconventional in appearance, having a generally elliptical face outline form
8573087 Hypoid gears with low shaft angles November 5, 2013
A gear pair set comprising low shaft angle and offset bevel gears and a method for their manufacture including determination of the appropriate gear and pinion blanks and the basic machine settings for their manufacture. The pair of bevel gears comprises a first member and a second m
8561277 Runout compensation on machine tools October 22, 2013
A method of determining axial and/or radial runout due to workholding equipment and compensating for such runout during machining of a gear wherein axial and/or radial runout compensations are executed during the machining of each individual tooth slot.
8277285 Method of maintaining a constant grinding process October 2, 2012
Method of grinding cylindrical gears with a threaded grinding wheel wherein the amount of grinding wheel material utilized during shifting remains constant as the wheel diameter decreases, for example, due to dressing. The amount of grinding wheel shifting is adjusted as the grinding
8267624 Full point width cutting blades September 18, 2012
A cutting blade for face milling wherein the cutting blade is constructed to cut a predetermined final dimension of a tooth slot along a portion of the cutting end (i.e. the primary cutting edge portion) of the blade and to cut the remainder of the tooth slot at an amount less that the
8182313 Carriage arrangement for a machine tool May 22, 2012
A carriage arrangement for a machine tool, which can be adjusted similar to a compound slide, has an increased rigidity against a machining force being taken up by said arrangement in that according to the invention a first carriage (1) can be adjusted relative to a machine base (4) alon
7886415 Machine tool February 15, 2011
In a machine tool with at least two axes of movement (2, 7) defining, respectively, the mobility of a first function-supporting unit (1) and of a second function-supporting unit (5), only the first function-supporting unit (1) is provided with its own servo drive, while the second fu
7836803 Quick-adjust draw rod positioning nut November 23, 2010
A quick-adjust draw rod positioning nut which is attachable to a machine's chuck and/or de-chuck prime mover via a base portion. The positioning nut includes an engagement portion preferably comprising at least two segments that can be held in a collapsed position, where the segments
7794186 Gear cutting machine, in particular bevel gear cutting machine, having a device for chamfering / September 14, 2010
A gear cutting machine wherein a chamfer/deburr device and tool are fastened to a fixed component of the gear cutting machine. In this way, it is possible to adjust the chamfering/deburring tool into the working position in a simple and dependable manner to remove the edges from a ge
7748718 Expanable mandrel July 6, 2010
An expandable mandrel for holding a part has a shank with inclined radial slots slidably engaged by keys. The keys are coordinated by a collar which engages an extension on each key. A platen affixes to the shank of the mandrel to provide a stop that will index the position of a part
7712227 Carriage arrangement for a machine tool May 11, 2010
An actuation device driven by the adjusting motion of a first carriage is provided and, because of the adjusting motion of the first carriage from the first position into the second position, the adjusting motion of a second carriage can be driven from the measurement point to the rest
7682222 Variable rate method of machining gears March 23, 2010
A method of machining gears or other toothed articles wherein the workpiece feed rate and/or the tool shifting is varied so as to produce an irregular surface pattern on tooth surfaces with a resulting reduction in mesh noise. The method is particularly applicable to grinding spur an
7651383 Method of lapping gears January 26, 2010
The present invention provides a controllable gear lapping process whereby the lapping process may be modified at discrete locations on the tooth surface in order to selectively modify the tooth flank surface.
7553115 Gear testing and lapping machine June 30, 2009
A machine for processing gears, such as by testing and lapping, which can accommodate a wide range of gear pair shaft angles (less than, equal to, and greater than ninety degrees) while providing improved machine stiffness and an enhanced arrangement of machine elements.
7462092 Method of finishing bevel gears to produce a diffuse surface structure December 9, 2008
A method for providing a surface structure wherein conventional grinding micro scratches are broken up to provide a diffuse structure of micro scratches and micro flats resulting from grinding wheel motion comprising an eccentric revolving of the grinding wheel and/or grinding wheel
7364391 Manufacturing straight bevel gears April 29, 2008
A method and tool arrangement for producing straight bevel gears and the like on a multi-axis computer controlled machine wherein a single tool is utilized in the machining process.
7294046 Method for dressing a grinding worm November 13, 2007
A method for dressing an essentially cylindrical grinding worm on a machine suitable for continuous generation grinding in the diagonal method. The dressing tool is an essentially cylindrical gear wheel, having an abrasive coating on the surface that effects the dressing, which is br
7228643 Method of gaging on gear lapping and testing machines June 12, 2007
A system to replace or augment the common manual cone-gage method with a method that is highly automated on a CNC machine. Two cone-gage fixtures are employed, getting clamped into the gear and pinion workholding fixtures, respectively. But instead of mechanical contact, dial indicat
7204243 Truing tool for truing a grinding worm April 17, 2007
A truing tool for truing an essentially cylindrical grinding worm that is arranged on the tool spindle of a machine suitable for the continuous generation grinding in the tangential- and diagonal process. The truing tool comprises an essentially cylindrical gear wheel (6) having an a
7198440 Workpiece loading apparatus for machine tool April 3, 2007
Method and apparatus for positioning a workpiece in a spindle of a machine tool and/or removing a workpiece from the spindle. The machine spindle includes an axis of rotation and the workpiece includes a centerline extending between a first end surface and a second end surface. A mec
7182674 Coolant delivery apparatus for machine tool February 27, 2007
A coolant delivery apparatus for a machine tool wherein the position of the coolant delivery apparatus is controllable such that coolant may be delivered to the machining contact zone of a tool even though the location of the machining zone of the tool may change such as during machi
7118459 Dressing tool for profiling the tip area of a threaded grinding wheel October 10, 2006
A dressing tool for profiling the tip area of a threaded grinding wheel used for continuous generation grinding. Concave working faces (13) are arranged in a cylindrical surface of the dressing tool (7) and coated with an abrasive coating. The pitch (P) of said working faces (13) cor
6939214 Honing wheel having internal gearing September 6, 2005
The cross-sectional profile of the outer peripheral surface of a honing wheel is within a spherical enveloping surface that is concentric with the honing wheel. Due to the cross-sectional profile of the outer peripheral surface of the honing wheel, tilting in the opening of the tool head
6840720 Machine for deburring and fine machining of tooth flanks of toothed workpieces January 11, 2005
A machine for deburring and fine machining of the tooth flanks of toothed workpieces with a gear-shaped fine machining tool, preferably, a shaving wheel, which is in rolling engagement with a workpiece, comprising a tool spindle, a motor for driving the tool spindle, a workpiece spindle
6824449 Clamping assembly November 30, 2004
An apparatus for clamping a workpiece in a machine. The apparatus comprises an inner nose portion being rotatable about an axis of rotation and comprising a plurality of mounting surfaces, and, an outer ring portion rotatable about the axis of rotation and comprising at least one clamp
6808440 Method of grinding cutting blades October 26, 2004
A method of grinding cutting blades with a grinding wheel having first and second grinding edges. The method comprises rough grinding at least one surface of the cutting blade with the first grinding edge and finish grinding at least one surface of the cutting blade with the second g
6712566 Machine and method for producing bevel gears March 30, 2004
A machine for manufacturing bevel and hypoid gears comprising a machine column including a first side and a second side. A first spindle is movably secured to the first side with the first spindle being rotatable about a first axis. A second spindle is movably secured to the second side
6676337 Tool for chamfering and deburring the end face tooth edges of gear wheels January 13, 2004
A tool for chamfering and deburring of end face tooth edges of spur and helical gears comprising (1) at least one rolling deburring wheel for machining the tooth edges, arranged at an end face relative to the workpiece and meshing therewith, and (2) a toothed spacer wheel, positioned
6669415 Machine for producing bevel gears December 30, 2003
A machine for manufacturing bevel and hypoid gears including a column, a first spindle, and a second spindle is provided. The column has a first side and a second side. The first spindle is movably secured to the first side and rotatable about a first axis. The second spindle is movably
6497610 Process for dressing an internal or external gear tool for fine machining of tooth profiles December 24, 2002
A process for dressing a tool, a honing tool in particular, introduced into a machine for fine machining of the tooth profiles of gear workpieces, with a dressing wheel which is engaged with the tool to be dressed in place of a gear workpiece and is caused to rotate. To achieve optimum
6481508 Spindle for machine tool November 19, 2002
A spindle (60) for a machine tool comprising a rear spindle portion (62) and a forward spindle portion (64) with each of the rear spindle portion and the forward spindle portion being rotatable about the same axis relative to one another. The inventive spindle includes one or more spring
6422924 Process for widening the crown of cylindrical-type gears by continuous diagonal hobbing July 23, 2002
Desired crown width and offset can be obtained on the workpiece in a simple manner and with geometrically simple tools, by adjustment of tool lead modification, the axial spacing between tool and workpiece, or the angle of rotation. Tooth flanks modified to be broad-crowned can be produc
6402607 Fine-machining tool for machining gear workpieces June 11, 2002
A fine-machining tool, a honing wheel in particular, characterized by an axial laminar structure with a center layer and two exterior layers bonded to each other, the center layer consisting of a plastic material in which cutting grains are embedded, and the outer layers engaged with the
6394716 Process and machine for fine machining of tooth flanks of geared workpieces May 28, 2002
A process and a machine for fine machining of the tooth flanks of geared workpieces with a driven tool in the form of a gear wheel or worm gear which is in meshing contact with a workpiece, the axes of tool and workpiece intersecting. During machining of the workpiece the tool is dri
6390893 Method of machining gears May 21, 2002
A method of machining at least one tooth flank of a gear with a finishing tool. The method comprises rotating the finishing tool, such as a grinding tool, and bringing the tool and the tooth flank into contact. Relative movement between the tool and the gear is provided to traverse the t
6311590 Cutting tool for producing gears by face hobbing November 6, 2001
Cutting blade and system that allows all the freedoms of the three-side-ground cutting blade while using a two-side-ground cutting blade. A new cutting edge can be defined on the two-side-ground cutting blade that will duplicate the tooth surface cut by the three-side-ground cutting
6299393 Method and apparatus for chip removal October 9, 2001
Chip enclosure (150) wherein the interior portion comprises a primary suction port (152) and a secondary suction port (154). Both primary suction port and secondary suction port are connected via a short neck portion (155) to outlet (156) that is in communication with a source of vac
6260855 Workholding apparatus July 17, 2001
An apparatus for holding a workpiece in a predetermined position in a machine tool. The apparatus has an axis of rotation and comprises an outer body having an outer surface, an inner bore, a first end and a second end with the second end being insertable into a tapered opening of a spin
6217421 Method of lapping gears April 17, 2001
A machine (20) for lapping or testing gears comprising a single machine column (22) having a first side (24) oriented perpendicular to a second side (26) with the first side having a first workpiece spindle (28) rotatable about a first axis and the second side having a second workpiece
6217409 Threaded grinding wheel and method of dressing April 17, 2001
A method of dressing a threaded grinding wheel such that twisting of workpiece tooth flanks does not occur during grinding. The grinding wheel is preferably dressed with a circular arc hollow-crowned generating front with the generating front being described by a radius, R.sub.b, and
6206621 Apparatus for chip removal March 27, 2001
Apparatus for removing chips from the machining chamber of a machine tool comprising primary and secondary chip removal ports with the primary chip port being positioned in the stream of chips emanating from the workpiece being cut and the secondary chip port being located in a trough at
6190241 Method and an internally toothed tool for the precision machining of gear-wheels, and a method a February 20, 2001
A method for the precision machining of flanks of gear-wheel-shaped workpieces, in particular those with convex teeth, using an internally toothed tool with crossed axes, in which simultaneous relative movements take place not only in three mutually perpendicular axes but also around
6179537 Clamping screw January 30, 2001
A clamping screw comprising a main body portion generally cylindrical in shape and having a length extending between a first end and a second end and an axis of rotation extending in the direction of the length. The main body portion comprises an outer surface having threads arranged alo
6149357 Apparatus for securing workholding equipment to a machine tool November 21, 2000
An assembly positionable on the spindle of a machine tool for securing a workholding apparatus in position on the machine tool. The assembly comprises first and second end portions and an inner piston axially movable within an inner chamber formed by the first and second end portions
6120355 Method and apparatus for lapping gears September 19, 2000
A machine for lapping or testing gears comprising a single machine column having a first side oriented perpendicular to a second side with the first side having a first workpiece spindle rotatable about a first axis and the second spindle having a second workpiece spindle rotatable about
6120217 Cutting tool for producing toothed articles September 19, 2000
A cutting tool comprising a cutter body member having a generally circular shape, a front surface, a back surface and an axis of rotation, the cutter body member includes an outer portion comprising a plurality of individual projections arranged spaced from one another about the cutter b
6050755 Apparatus for chamfering and deburring gear tooth end edges April 18, 2000
Apparatus for chamfering and deburring the tooth end edges of straight and skew-teeth gears, comprising at least one deburring wheel arranged endways with respect to the work and meshing with it in finishing the tooth edges, comprising a toothed guide gear arranged axially beside the deb
6004078 Cutting tool for toothed articles December 21, 1999
A cutter head including a cutter body portion having a first outer surface and a second outer surface located inward of the first outer surface. Both first and second outer surfaces are interrupted by a plurality of blade receiving slots which extend inward into the cutter body portion.
5957762 Internally toothed tool for the precision machining of gear wheels September 28, 1999
A method for the precision machining of flanks of gear-wheel-shaped workpieces, in particular those with convex teeth, using an internally toothed tool with crossed axes, in which simultaneous relative movements take place not only in three mutually perpendicular axes but also around
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