Patent application number | Description | Published |
20090092451 | Cutting tool holder and a cutting insert therefor - A cutting tool holder adapted for mounting thereon a cutting insert having a top face, a bottom face and formed with an insert bore having an inner surface extending between the top and the bottom face. The holder comprises a seat defined by a bottom surface and at least one side wall angled to the bottom surface, a seat bore with a bore axis having an open end at the bottom surface of the seat, and a securing mechanism for securing the cutting insert in the seat. The securing mechanism comprises a securing pin received within the seat bore and having a body with an outer surface extending between a proximal end and a distal end of the body and defining a pin axis therealong. The securing mechanism further comprises a displacement arrangement adapted for axially displacing the securing pin along the bore axis of the seat bore between at least a first, mounting position in which the distal end protrudes from within the seat bore through the bottom surface into the seat to a first extent so as to allow the cutting insert to be placed within the seat, having its bottom face aligned against the bottom surface, and a second, securing position in which the distal end protrudes from within the seat bore through the bottom surface into the seat to a second extent, greater than the first extent, so as to engage the inner surface of the insert bore, thereby securing the insert in place. | 04-09-2009 |
20100111621 | CUTTING TOOL HOLDER AND A CUTTING INSERT THEREFOR - Disclosed is a cutting tool holder for mounting a cutting insert having a top face, a bottom face and an insert bore having an inner surface extending between the top and the bottom faces. The holder includes a seat having a bottom surface and at least one side wall angled to the bottom surface, a seat bore with a bore axis having an open end at the bottom surface of the seat, and a securing mechanism for securing the cutting insert in the seat. The securing mechanism includes a securing pin within the seat bore and a body with an outer surface extending between a proximal end and a distal end of the body. The securing mechanism includes a displacement arrangement separate from the securing pin for axially displacing the securing pin along the bore axis of the seat bore between a first, mounting position and a second, securing position. | 05-06-2010 |
20100130322 | TRANSMISSION SYSTEM - Provided is a transmission system including: a planetary gear, a first-side mechanism including a chamber and a first-side shaft connected to the chamber, at least one transfer arrangement, including a transfer mechanism and a transfer shaft connected thereto and a second-side mechanism including a second-side shaft. The planetary gear includes a planet carrier, at least one planet gear mounted thereon and at least one of a sun gear and a ring gear. The chamber is fluidly coupled to the transfer mechanism for transfer of rotary motion therebetween. The chamber is connected to one of the gear elements: a planet carrier, a sun gear, or a ring gear, the transfer shaft is connected to one of the gear elements: a planet carrier, a planet gear, a sun gear, or a ring gear, and the second-side shaft is connected to one of the gear elements: a planet carrier, a sun gear, or a ring gear. The connection is such that each of the gear elements: a planet carrier, a planet gear, a sun gear, or a ring gear is only coupled to one of the chamber, the transfer shaft and the second-side shaft. | 05-27-2010 |
20100135740 | CUTTER APPARATUS AND METHOD - A method of cutting a workpiece having a longitudinal axis including cutting the workpiece with a cutter tool, having a longitudinal axis, in one or more cutting strokes, is provided. Each stroke includes a relatively long unidirectional displacement between the cutter tool and workpiece along a first orthogonal axis; and a plurality of relatively short reciprocatory displacements between the cutter tool and workpiece along a second orthogonal axis perpendicular to the first orthogonal axis. | 06-03-2010 |
20100183364 | ATTACHMENT MECHANISM - Provided is an attachment arrangement including a first member for securely attaching thereon a second member having a top face, a bottom face and formed with a second member bore having an inner surface extending between the top and the bottom face. The first member includes an attaching portion defined by a bottom surface and at least one side wall angled to the bottom surface, an attaching portion bore with a bore axis, and a securing mechanism. The securing mechanism includes a securing pin within the attaching portion bore and has a body with an outer surface extending between a proximal end and a distal end of the body. The securing mechanism further includes a displacement arrangement for axially displacing the securing pin along the bore axis of the attaching portion bore between at least a first, attaching, position and a second, securing, position. | 07-22-2010 |
20100310329 | CUTTING TOOL WITH PROTRUSIONS, AND METHODS OF USE THEREOF - A cutting element adapted for removing a chip from a surface of a workpiece has at least one cutting edge defined by an intersection line between a rake and a relief surface and is formed with one or more workpiece deforming protrusions. At least a portion of the protrusions is spaced from the cutting edge such this portion protrudes, along a plane perpendicular to the relief surface and passing through the cutting edge, in a direction transverse to the relief surface beyond the cutting edge. At least the projecting portion of at least one of the protrusions is constructed so as to deform the workpiece before its contact with the cutting edge. | 12-09-2010 |
20110305532 | CUTTING TOOL, CUTTING TOOL HOLDER AND CUTTING INSERT THEREFOR - A cutting tool holder adapted for mounting thereon a cutting insert to form a cutting tool. The cutting tool holder comprises an insert seat defined by a base and at least one side wall extending from the base to define an insert seat space adapted for receiving the cutting insert. The cutting tool holder further comprises a support element extending into the insert seat from the base. The support element is (i) integrally formed with the insert seat or (ii) at least during operation, fixedly attached to the insert seat. The support element is formed with an undercut surface extending, at least during operation, at an acute angle to the base and away from the side wall. The insert seat is formed with a bore configured for receiving a fastening member for engagement with the insert seat. The fastening member is displaceable with respect thereto between a mounting position configured for allowing the cutting insert to be mounted onto the insert seat and a securing position adapted for securing the cutting insert within the insert seat. | 12-15-2011 |
20110311327 | MULTI-EDGE CUTTING HEAD AND AN INSERT USED THEREIN - A cutting portion of an integral cutting tool or of a cutting insert adapted for mounting onto a cutting tool holder to form a cutting tool, which comprises a plurality n of cutting edges. The cutting portion extends along a cutting path about a central axis. The cutting path (CP) passes through a point of each of the cutting edges which is at a maximal radial space R from the central axis, such that (formula I), where D=2R and θ is the angular extension of the cutting path about the central axis (X). At any given point along the cutting portion, (formula II), where L is one of the following: i. the extension of the cutting portion in a direction perpendicular to the cutting path; and ii. the extension of the cutting edges in a direction perpendicular to the cutting path. | 12-22-2011 |
20120079825 | GENERATOR - A generator comprising heat differential, pressure, and conversion modules, and a heat recovery arrangement; the differential module comprising a first high temperature reservoir containing a work medium at high temperature, a second low temperature reservoir containing a work medium at low temperature and a heat mechanism in fluid communication with the reservoir(s). The heat mechanism maintains a temperature difference therebetween by providing heat to and/or removing heat from the reservoirs; the pressure module comprises a pressure medium in selective fluid communication with the reservoirs for alternately performing a heat exchange process with the work medium. The pressure medium fluctuates between a minimal and maximal temperature corresponding to the high and low temperatures of the work medium; the conversion module utilizes temperature changes of the pressure medium for production of output energy; the recovery arrangement absorbs heat from the pressure medium and provides heat to the differential or pressure module. | 04-05-2012 |
20120230787 | CUTTING TOOL, CUTTING TOOL HOLDER, AND A CUTTING INSERT THEREFOR - A cutting tool holder configured for mounting a cutting insert to form a cutting tool that extends along a central axis and comprises a mounting portion having a seat surface oriented generally perpendicular to the central axis. The tool holder has at least two securing extensions projecting from the seat surface in a direction generally parallel to the central axis. Each of the extensions are formed, at an end remote from the seat surface with a latch portion extending towards the central axis. The latch portion has an under and top surface, both oriented generally transversely to the central axis such that the under surface is disposed between the seat surface and the top surface. Each of the extensions is formed with a side surface extending between the under and side surfaces to form a securing pocket defined between the seat, side, and under surfaces. | 09-13-2012 |
20130251463 | CUTTING TOOL WITH COOLING MECHANISM AND A CUTTING INSERT AND TOOL HOLDER THEREFOR - A cutting insert ( | 09-26-2013 |
20140238021 | GENERATOR - A generator comprising: a heat differential module with a first, high temperature source configured for providing a work medium at high temperature, a second, low temperature source configured for providing a work medium at low temperature, and a heat mechanism in fluid communication with the first and second sources, configured for maintaining a temperature difference therebetween by at least one of: providing heat to the work medium at said first source, and removing heat from the work medium at said second source; a pressure module comprising a pressure medium which is in selective fluid communication with the work medium from the first, high temperature source and the work medium from the second, low temperature source, for alternately performing a heat exchange process with the high/low temperature work medium, to have its temperature fluctuate between a minimal operative temperature and a maximal operative temperature corresponding to the high and low temperature of the respective work medium; a conversion module in mechanical communication with the pressure medium, configured for utilizing temperature fluctuation of the pressure medium for the production of output energy; and a heat recovery arrangement in thermal communication with at least one of the heat differential module and the pressure module, configured for receiving at least a portion of the heat energy of the high and low temperature work medium which was not transferred to the pressure medium during said heat exchange process, and redirecting said heat energy back to one of the heat differential module and the pressure module; wherein provision of heat to the work medium is performed by way of a heat exchange process with an auxiliary high temperature fluid. | 08-28-2014 |