Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7930956 | Multi-spindle screw machine, and improved tool arm for use therein An improved Davenport® multi-spindle automatic screw machine has a tool arm (14) mounted on a shaft (41) for rotational movement relative to a revolving head cap (13). A needle bearing (42, 42) is operatively arranged between the shaft a... | 04/26/2011 |
| 7347130 | Apparatus and method for cutting spinal implants An apparatus and method for cutting spinal implants to a desired length is disclosed. The spinal implant is supported on a mandrel that rotates while a cutting blade cuts the spinal implant. The apparatus and method accurately size and cut spinal implants to the des... | 03/25/2008 |
| 7303562 | Pedicle screws with inclined channels to hold support rods This invention is a pedicle screw (1), comprising a threaded rod (2) having a longitudinal axis (XX) and a head (4) in which there is a channel (5) adapted to receive a spinal support rod, and a means for blocking the rod; the channel is ... | 12/04/2007 |
| 7223054 | Spiral groove pipe joint machining assembly A spiral spline groove machine apparatus for manufacturing a sealed spiral spline pipe connection by machining spiral grooves into the bell and spigot end of a length of pipe. A rotating cutter is adapted to cut a spiral groove in the inside of the bell of the pipe ... | 05/29/2007 |
| 7134818 | Tool-holding system for high-accuracy calibration of holes The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the... | 11/14/2006 |
| 6955106 | Thread making device A thread making device that has a thread form with controlled height adjustment. The thread making device is formed from a threading cartridge mounted on a threading bar. A thread form with a cutting edge is secured in a pocket on the threading cartridge bounded on ... | 10/18/2005 |
| 6880436 | Shave tool holder having a floating body incorporating a tapered dovetail and adjustable gib and including interchangeable tool posts A shave tool holder for use with an automatic screw machine and for machining a rotatably driven workpiece. The tool holder includes a shank engageable with the screw machine and for providing reciprocating motion of the shave tool holder. A dovetail shaped recess i... | 04/19/2005 |
| 6877934 | Milling head for thread whirling A milling head for thread whirling, the milling head includes a plurality of cutting elements evenly disposed around a center hole, each cutting element in the plurality of cutting elements includes at least two cutting surfaces formed thereon. Any one of the at lea... | 04/12/2005 |
| 6817273 | High precision spindle assembly, and method of forming same An improved spindle assembly (23) is adapted to be mounted in an opening (22) provided on a rotatable head (20) of a multi-spindle machine tool. The improved spindle assembly includes a tubular main spindle part (26) that is adapted to be... | 11/16/2004 |
| 6644151 | Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpieces Apparatus for the continuous, chipless separation of individual, identical pieces from a solid round workpiece, includes at least two cutting rollers, cooperating with one another, for separating and rolling the workpiece. Each of the cutting rollers is d... | 11/11/2003 |
| 6557226 | Apparatus for manufacturing a bone dowel Apparatus for manufacturing a bone dowel includes a machine base with tracks on a surface thereof. Modules configured to slide in the tracks may include a module for a high speed rotary tool, a collet module, a vise module and a threading module. A vise m... | 05/06/2003 |
| 6487946 | Threading device A thread-cutting device with a thread-cutting head that rotates and includes a tool guide with at least two pairs of tool slides. The pairs of tool slides can shift radially relative to the axis of rotation and include cutting surfaces. The device also in... | 12/03/2002 |
| 6460435 | Method of rotational thread milling and a thread milling cutter for use therewith A method of rotational milling of a thread on a workpiece and including providing a device having a rotatable workpiece spindle for supporting the workpiece and a rotatable milling cutter spindle for supporting a thread milling cutter, and displacing axia... | 10/08/2002 |
| 6237453 | Two position tool slide for screw machine A rigid tool slide support is disposed to be mounted in a screw machine in either of two different operating positions in each of which a tool slide reciprocates on the upper surface of the support to convey a cutting tool to and from the work that is to ... | 05/29/2001 |
| 6155148 | Thread cutting method using lathe and numerical controller A basic spiral operation of a tool is controlled by storing, in a controller, an automatic operation program of a threading cycle which regulates the basic spiral operation of the tool corresponding to a thread shape by specifying a spindle revolving spee... | 12/05/2000 |
| 6092445 | Telescoping die holder A telescoping die holder apparatus a having a outer covering shell with a tapered rear morse into which a shank is fitted. This shank is associated with a biasing member and is reciprocally mounted to the shell by two retaining pins. Each of the pins exte... | 07/25/2000 |
| 5868051 | Method and apparatus for machining with a pivoting cutting tool A method and apparatus has been developed for metal cutting machine using a cutting die tool that pivots as it cuts a metal workpiece. By pivoting the cutting tool, the orientation of the metal surface being cut in the workpiece may be varied along the cu... | 02/09/1999 |
| 5826469 | Threading machine coolant system and method of cooling A power driven pipe threading machine is provided with a coolant system by which an oil free, glycol based coolant is dispensed onto the workpiece during thread cutting in the area thereof adjacent a thread cutting die at a rate which provides for the coo... | 10/27/1998 |
| 5673467 | Machine tool assembly A machine tool assembly having a rotatable element for driving a tool to operate on a workpiece and structure for driving the rotatable element in rotation. The driving structure has a first power source and first structure cooperating between the first p... | 10/07/1997 |
| 5626064 | Lathes for cutting straight and helical threads In an otherwise conventional, mechanically controlled lathe the workpiece support spindle can be disconnected from the main mechanical drive transmission and coupled to the main drive motor via a second mechanical transmission which can introduce an angul... | 05/06/1997 |
| 5507608 | Piloted hand tool adaptor A piloted hand tool adaptor for connecting a conventional rotary hand tool or rotary cutting tool to the chuck of a rotary-operated machine such as a lathe or drill press in order to provide mechanical axial support and alignment of the tool to a work pie... | 04/16/1996 |
| 5343787 | Die holder assembly A die holder assembly mounts to a conventional lathe for holding a die to facilitate cutting of a thread into a workpiece. The die holder rotatably rides along an alignment shaft which mounts to the chuck of the lathe. The die holder may be manually turne... | 09/06/1994 |
| 5285706 | Pipe threading apparatus Systems and methods for cutting a well casing and then capping the cut well casing are provided. A well casing cutting assembly having a tensioned wire cutting element may first be moved into position relative to the well casing and operated so that the c... | 02/15/1994 |
| 5221234 | Method and apparatus for making a screw having variably canted threads A cutting device and method for its operation are utilized to apply variably canted threads to a screw blank. A conventional cutting lathe is provided with a conventional hydraulically operated adjustable cutting support attached thereto. A guide plate is... | 06/22/1993 |
| 5144871 | Numerically controlled screw cutting method for fine screw surface finishing A screw cutting method for use with a numerically controlled machining system is improved by enabling finer finishing of the final screw surface. The invention allows the removal of scars formed during rough machining by offsetting the position of the rou... | 09/08/1992 |
| 5104268 | Screw cutting machine For machining male or female screws, especially of considerably large size diameter, variable pitch or tapered, as desired, a machining center is used which is composed of a work table mounting the work fixedly thereon, and a rotatable machining spindle e... | 04/14/1992 |
| 5076744 | Screw cutting machine For machining male or female screws, especially of considerably large size diameter, variable pitch or taper, as desired, a machining center is used which is composed of a work table mounting the work fixedly thereon, and a rotatable machining spindle exc... | 12/31/1991 |
| 5059069 | Insert for thread cutting A thread cutting insert comprises a block having along one edge thereof a plurality of teeth for successively cutting a thread in a workpiece. The teeth are of successively increasing heights from a first to a last of the teeth. The first tooth has a smoo... | 10/22/1991 |
| 5003852 | Button die holder A die holder comprises a die housing and a guide bar. The guide bar is designed to be retained within a Jacob's chuck retained within a lathe tailstock, and the die housing is slidably movable along the guide bar. A button die is retained within the die h... | 04/02/1991 |
| 4986151 | Tool holder for a screw machine box tool A tool holder for a small screw machine box tool, having a uniform diameter for easy removal and a carbide insert both useable in either right or left hand box tools.... | 01/22/1991 |
| 4879929 | Tapper/threader assembly A tapper/threader assembly for use in a lathe is disclosed. The assembly has a piston member mounted for reciprocal movement with a sleeve housing, a shank member is connected to the piston member and an end extending from the housing. A mounting shaft fo... | 11/14/1989 |
| 4854200 | Portable facing and threading machine having an interchangeable taper means A portable machine for field facing and threading of pipe including a body in which is carried a shaft for rotation about a central axis. Attachment apparatus attaches the body to the end of a pipe so that the central axis of the machine and pipe are subs... | 08/08/1989 |
| 4811639 | Drive bar attachment for threading machines An attachment is disclosed for use with a power driven threading machine of the character having a tubular workpiece receiving spindle carrying jaw assemblies which engage and disengage a workpiece in the spindle. During a threading operation, the jaws en... | 03/14/1989 |
| 4789943 | Thread cutting control method There is provided a thread cutting control method in an NC apparatus having a CPU in an arithmetic unit whereby real time clocks which are generated for every constant time are received as an interruption signal and a sampling operation is performed in re... | 12/06/1988 |
| 4761891 | Method and appartus for machining a screw thread with little dispersion In an NC-lathe comprising a thread touch sensor provided with a touch portion to be brought into contact with an effective radius/diameter portion of a screw thread, an automatic measuring device electrically connected to the thread touch sensor, and an a... | 08/09/1988 |
| 4708038 | Method for machining and improved modified threaded collar Disclosed is a method directed particularly to improving a modified threaded buttress collar. The method is also of value with any internally threaded member having a seal ring groove therein. The method specifically deals with the removal of the feather ... | 11/24/1987 |
| 4685362 | Quick-mount thread cutting attachment for lathes A thread cutting attachment for use with conventional type engine lathes for the purpose of semiautomatically cutting threads externally on a workpiece, or with a modified embodiment, internally of a workpiece. Each attachment has structure for securely a... | 08/11/1987 |
| 4665783 | Process and device for copying and threading in automatic square cycle A process for copying and threading in automatic square cycle, applicable to and/or incorporated into engine lathes in general, includes material removing machining of parts by copying method in automatic square cycle, providing during the machining an au... | 05/19/1987 |
| 4643057 | Cutting tools The invention provides a cutting tool for incising a helical cut around the internal surface of a hollow member comprising a tool carrier adapted for insertion into the hollow member adjacent the internal surface thereof to be cut; a cutting block carried... | 02/17/1987 |
| 4616537 | Pipe connection Disclosed is a threaded pipe connection. The connection includes tubular externally threaded male members and a tubular internally threaded female coupling threadedly engaged with the male members. The male members include a continuous thread having a fir... | 10/14/1986 |
