Abstract: Disclosed herein is a handle for a tool having a shank, which handle comprises identical first and second half sections in mating engagement, which first and second half sections each include cooperating wall means defining a socket for receiving the shank and, when the shank is received in the socket, for preventing relative movement between the half sections in each of three planes mutually perpendicular to each other.

Abstract: A turret lathe is disclosed in which the turret supports a plurality of tools at a plurality of tool block locations formed thereon which are located at varying angular positions on the turret. These locations are so positioned as to maximize the number of tools supportable by the turret while still enabling all of the tools to be moved through their full cutting range without any one tool interfering with a workpiece or a workpiece supporting chuck while any other tool is operating upon that workpiece. Because the tools are located at varying angular positions on the turret, which positions are not even multiples of one another, the lathe incorporates an indexing control operable to index the turret through those varying angular arcs so as to enable any selected tool to be positioned at the tool cutting station of the machine.

Abstract: Apparatus for the in-place machining of trailing axle spindles of self-propelled motor vehicles utilizing a spindle shaft retained within a housing. The apparatus includes frame means with inner and outer end panels, and with the inner end panel having a bore for receiving a spindle shaft therethrough. Clamping means are arranged to dispose the bore concentrically with the spindle being machined. Drive means are provided, along with a main drive shaft mounted for rotation within each of the end panels. A second drive shaft in the form of an hexagonal drive shaft is also mounted for rotation within the end panels. Cutter head carriage sleeve means are journably mounted on the drive shaft and include a carriage body along with a hollow cylindrical housing journably secured to the body and having a plurality of radially disposed cutting blades coupled thereto. Preferably, an uneven plural number of such cutting heads are utilized to provide for proper treatment of the work.

Abstract: A cutting tool assembly including a tool holder for supporting a cutting tool having a tool body and a plurality of substantially identical cutting edges extending radially from the tool body and being substantially equally circumferentially spaced thereabout. The cutting tool is pivotally mounted on the tool holder about a first pivot axis for pivotal indexing movement of the tool body relative to the tool holder to successively dispose a selected cutting edge in a predetermined cutting position relative to the tool holder. The assembly further includes a latch pivotally mounted about a second pivot axis spaced from the first pivot axis on the tool holder and having a latched position operatively engageable with the tool body to hold the selected cutting edge in a predetermined cutting position and an unlatched position permitting pivotal indexable movement of the cutting tool to dispose another of the cutting edges in the predetermined cutting position.

Abstract: The flash is removed from a freshly molded recorded disc by first bringing a knife against the edge of the disc and rotating the disc about its center to remove the major portion of the flash. A rotary cutter is then brought into contact with the edge of the rotating disc to remove the remaining portion of the flash. The rotary cutter provides the disc with a smooth edge and allows an accurate control of the diameter of the disc. The cutter is mounted on a pivotal bracket which is selectively moved toward and away from the disc by means of an air cylinder and piston which is connected to the bracket.

Abstract: A cutoff machine for non-metallic tubes comprising a pair of rotary saws in transverse alignment within a plane perpendicular to the axis of feed of tube stock incident to continuous discharge from a tube-forming machine, a pair of motors simultaneously driving said saws in opposite rotary directions respectively toward said tube stock from opposite sides, powered propelling mechanism which is fluid actuated and activated by an electric signal instigated by the forward end of the moving tube striking a target switch which originates all subsequent sequential functions of the machine by moving the saws longitudinally from and toward a starting position in opposite directions parallel to the movement of the tube feed stock, additional power mechanism operable to move said saws simultaneously toward said tube stock while said saws are advancing evenly with said stock, first control mechanism operable to effect withdrawal of said saws from said tube stock and a severed tube section prior to terminating longitudin

Abstract: A cutting end protector is used in securing one of the cutting ends of a double ended drill bit in a drill chuck. The cutting end protector comprises a body portion contoured to mate with the inner surface of the drill chuck and adapted to receive the drill chuck pin. The body portion has a cutting end receiving face provided with a central recess for receiving the point of the cutting end and a pair of chamfered face portions diverging outwardly and forwardly from the body portion, one on either side of the central recess. The chamfered face portions are slanted in opposing directions for fitting flushly with the cutting edge trailing surfaces of the cutting end.

Abstract: A hand file designed expressly for sharpening the cutting edge of a chisel tooth chain saw which cutting edge has substantially diagonal and horizontal beveled components. The file comprises an elongated flattened blade portion with rounded side edges, a finger hold at one end and a tang at the other, in which the filing surface area extends around both side edges of the elongated blade portion and 1/8 of an inch into the upper and lower flattened surface, and in length from the tang to the finger hold. The remainder of the flattened surface is smooth and provided with guide lines for angling the file with respect to the linear movement of the saw. The rounded edges are semi-circular and the thickness of the file is equal to the circumference of the semi-circle, and determines the fit between the depth gauge and the opposing cutting tooth on the variously sized chains, and the maneuverability into the beveled cutting edges of the saw tooth.

Abstract: A system for washing chips from the inside diameter of a workpiece. The chip washing system significantly improves the efficiency of a lathe used to machine the inside diameter of a workpiece having a longitudinal flow passage therethrough. The system injects a large volume of fluid into the end of the longitudinal flow passage opposite the end into which a machining tool or boring bar is inserted. The fluid flow removes metal chip cut from the inside diameter of the workpiece. The time that the machining tool or boring bar can be used without damage is increased by both increased cooling at the point of contact with the workpiece and preventing metal chips from becoming fouled around the boring bar.

Abstract: An automatic bar puller for a numerically controlled turret lathe, the puller being mounted on one station of the turret and have a detent actuated jaw that grips the end of a chuck mounted workpiece on triggering of a contact stop on the puller by the workpiece, and, the lathe controlling displacement of the workpiece and release of the jaw.

Abstract: An annular hole cutter having an inverted cup-shaped body provided with a plurality of circumferentially spaced teeth around its lower edge. Helical flutes extend upwardly between successive teeth and form around the outer periphery of the cutter a plurality of radially relieved lands, each having a circle ground narrow margin at the leading edge thereof. Each tooth has a plurality of radially and axially staggered cutting edges thereon.

Abstract: An annular cutter wherein the outer periphery of the cutter side wall is accurately concentric to the central rotary axis of the cutter and the inner periphery of the cutter side wall is eccentric to a predetermined amount with respect to the outer periphery of the side wall.

Abstract: The invention provides a cutoff tool that enables more narrow grooves to be produced in comparison with cutoff tools of conventional design. The tool consists of a holder 10 having a recess 12 in one side face 11 in which a cutting insert 13 is located and clamped by means of a center screw 14 threadably engageable with the holder 10. According to the invention the insert 13 is of polygonal shape and provided with a protruding central portion 20, which is received in said recess 12 in the holder, whereas the remainder of the insert extends laterally from the holder for cutoff purposes. The protrusion 20 is polygonal in shape in correspondence with the shape of the insert but angularly offset therefrom.

Abstract: 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 circumference of the reception sleeve is provided wherein the reception sleeve is integral over the entire clamping length. A clamping member is disposed with tangential and radial play in the reception sleeve for engaging the workpiece toothing and is thereby turnable with respect to the reception sleeve by which the internal toothing of the workpiece can be brought to bear against the external toothing of the reception sleeve in a circumferential direction. The ends of the clamping member extend through the openings for engaging the workpiece toothing and circumferential parts of the reception sleeve and the ends of the clamping member alternate. The clamping member is turned between a clamping and an unclamping position by a rod.

Abstract: A boring cutter which is adapted to be rotated about its central axis includes at least one insert pocket having opposed parallel leading and trailing walls, as well as a bottom wall. An insert seat of generally L-shaped configuration is provided, with the leading surface of the insert seat being in abutting relationship with the leading wall of the pocket. The opposed trailing surface of the insert seat includes both a leading and rear locating support surface adapted to receive an indexable cutting insert. A wedge is receivable between the rear surface of the cutting insert and the trailing wall of the pocket. The radial position of both the insert seat and the wedge, relative to the central axis of the boring cutter is adjustable. By this arrangement, the radial position of the cutting insert may be varied to thereby adjust the effective outer diameter of the boring cutter.

Abstract: A polygonal cutting insert of a hard wear resistant material is described. Located behind the cutting edge land in each corner of this insert is a bump. separating the bump from the cutting edge land is a lower secondary land. This secondary land has its maximum height and width in the corner areas of the insert. Its height and width gradually decrease as it extends away from the corner area in a direction parallel to the cutting edge.

Abstract: A sealing ring is disclosed which is formed of an elastomeric material wherein the cross section thereof has a plurality of substantially flat surfaces, and wherein the inner and outer diameter surfaces, which are the sealing surfaces thereof, are molded surfaces. The remaining surfaces are machined or cut surfaces. The preferred number of surfaces or faces in cross section is 8, and this has been found to give the best results, although other numbers of surfaces may also be used. Since the ring itself is not a molded ring, but has only the inner and outer surfaces thereof which are molded, there is also disclosed a novel method of making such a ring, as well as a novel apparatus for use in a carrying out the method of making the ring, wherein a molded elastomeric sleeve is provided and wherein inclined surfaces are cut therein in such a way that when the ring is severed from the sleeve it will have the desired number of flat surfaces.

Abstract: A cutting tool, preferably in the form of a cutting insert of hard material, having a narrow land area or ledge along the cutting edge, forming a shallow recessed groove promoting the formation of a false cutting tip build-up during use of the cutting tool, the cutting tip build-up resulting from the transfer of material from the chip to the ledge surface. The cutting tool of the invention enhances and favors the formation of a cutting tip build-up by providing the shallow recessed groove with a width which is a function of the cut taken by the cutting tool in a workpiece such that the chip removed from the workpiece during a cutting operation bridges the recessed groove.

Abstract: An apparatus for stopping the movement of a lathe cutting tool at a precise spot along a workpiece has a rugged support bracket for mounting securely to the guide track of a moving carriage which bears the tool. A micrometer-adjustable stop member disposed at one end of the bracket interacts with a rotatable turret stop, having multiple interchangeable stop members, located at the opposite end to achieve precise and rapid positioning of the multiple stops. A particular embodiment is suitably configured for lathes with dovetail-bed-type guide tracks.

Abstract: A revolving tool carrying turret for lathes and the like machine tools, comprises a fixed base and a movable tool carrying body, effective to be locked to one another by base ring gears, the fixed base being provided with a central upright thereon is coaxially formed a screw rigid therewith, engaging a nut screw effective to revolve and axially move through a predetermined angle, corresponding to the movement required for unlocking or locking the base ring gears. The central upright supports, at the top end thereof, an electric motor therewith is coupled an epicyclical unit having a first end gear wheel rigid with the tool carrying body and a second end gear wheel rigid with the nut screw, between the two end gear wheels being located one or more planet wheels.