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5503508 Apparatus for, and method of, drilling lug holes and valve stem holes in motor vehicle wheels  
A member is disposed against a motor vehicle wheel at a position near the center of a bore for receiving the wheel axle. The member may be a collet expansible radially against the annular wall...
5498109 Drilling apparatus of hard brittle material and method thereof  
A drilling method and a drilling apparatus of a hard brittle material in which a core drill is used for abrasive grinding of high accuracy and high durability. Therefore, the structure of this...
5482410 Drill and countersink assembly and method  
A drill and countersink tool having a drill bit member fixedly attached to a mounting member. The mounting member has exterior threads by which it is ajustably mounted in a countersink member in a...
5482409 Part positioning and drilling end effector  
An end effector adapted for attachment to and accurate positioning by a robot is provided for positioning a right angle shaped workpiece at a desired position against a panel and drilling a pair of...
5482411 Method and apparatus for securely clamping a drill motor to a drill plate  
A device utilizing positive and negative fluid pressure and the plurality of tandem operating components for securely clamping a drill motor to a drill plate in order to drill precisely positioned...
5480269 Method of drilling a hole for printed wiring board  
A method of drilling a through-hole for inter-surface conduction in a laminate for a printed wiring board, in which the heat generation in a drill bit can be inhibited in drilling holes, quality...
5479802 Method of installing a combination lock deadbolt assembly and a kit therefor  
A method of installing a combination lock deadbolt assembly includes the steps of providing a combination lock deadbolt assembly for mounting on a door surface in combination with a drill resistant...
5468099 Seam tracking drilling machine  
A seam tracking robotic drilling machine (10) is disclosed which is capable of moving a drill head along the seam (12) between abutting skin panels (16, 18) to drill a plurality of precisely...
5451126 Deep boring drill  
A method and apparatus for producing deep drill holes, particularly in wood and similarly structured materials, in which two drill elements, embodied as hollow shafts with cutting ends formed as...
5449254 Compost aeration tool  
A cylindrical bit is made from an elongated shaft with a spiral blunt pointed cutting element secured to one end by welding or molding. The upper end of the shaft is held in the chuck of a...
5445478 Hand-held apparatus for machining of cylinder head valve guide holes  
A cradle for a hand-held tool for machining of cylinder head valve guide holes. The tooling has a pilot portion. A collar has a passage for the tooling and is shaped to engage a least worn portion...
5441474 PCB working machine and method  
A PCB working machine includes a work table for holding a PCB substrate in place with a suction force; a spindle carrying a cutting tool; a controller for moving the spindle in accordance with a...
5439328 Single-head drill with video attachment  
An apparatus for drilling holes in flexible materials used for flexographic printing includes a table which receives single sheets of flexible material which are to be drilled by a downwardly...
5439329 Valve machining unit  
Methods and apparatus for on-site machining are disclosed. The internal portions of devices such as turbine valves must be machined in place, but present certain areas, such as the valve seat, that...
5435671 Drilling printed circuit boards and entry and backing boards therefor  
The invention provides an entry board for use adjacent a printed circuit board during drilling therethrough comprising a drill lubricant distributed over the entry board. The board may comprise two...
5435674 Process for manufacturing of workpieces, especially workpieces of motor vehicle drive assemblies, and also a device for application of the process  
The invention relates to a process for production of workpieces (1), especially motor vehicle drive assemblies, on a production line, the workpiece (1) having lateral surfaces (3, 11, 12, 18, 21)...
5429456 Apparatus and method for machining seats of gate valves  
Apparatus for machining the annular valve seats of a gate valve has a cradle which slides on and wedges outward against the confronting gate guide rails in the valve chamber to lock the cradle in...
5427477 Tool for calibrating and deburring pipe ends  
A tool provided with a head tapering stepwise toward a front side. Each step of the head has a cylindrical area for calibrating a pipe end and, joining it, a conical area for deburring the pipe...
5421680 Method and device for preventing a drilling chip from winding around drill bit and for removing a drilling chip deposited in flutes of drill bit  
A method and a device for preventing a drilling chip from winding around a drill bit and for removing the drilling chip deposited in flutes of the drill bit comprising a drill bit acting as a...
5419037 Method of inserting, boring, and honing a cylinder bore liner  
A method of manufacturing an engine block assembly which includes a one-piece cylinder block and cylinder head member including a cylinder block portion having a cylindrical bore with an inner end,...
5415500 Method of drilling holes in reinforced metal matrix composites  
A method and apparatus for forming cleanly defined holes through reinforced metal matrix material includes a drill bit with a shank portion and flutes on said shank portion, the drill bit capable...
5413437 Double-sided hole saw  
A double arbor has a shaft with a slideable first arbor at one end and a fixed second arbor at the other. A first hole saw of the already-cut, incorrect diameter is mounted on the first arbor. A...
5409327 Lock wire nut drilling  
An apparatus for drilling lock wire holes in lock wire nuts includes a variable speed drill press mounted on a work bench and having a vertically movable drill quill supporting a rotating drill...
5404641 Method of drilling through contiguous plate members using a robotic drill clamp  
A system is provided for drilling through contiguous first and second plate members so as to avoid the formation of burrs at their interface. Using a jig, the plate members are held together at...
5401128 Octahedral machine with a hexapodal triangular servostrut section  
In a cutting machine having an octahedral framework, a cutting tool is carried by a servostrut support having a platform mounted on extendable and retractable struts. In order to reduce deflections...
5395187 Method and apparatus for attaching a drill motor to a drill plate with a clamping device having an expandable collet  
A device for securely clamping a drill motor to a drill plate in order to drill precisely positioned holes in a workpiece includes an annular mandrel and annular collet concentrically disposed...
5387969 Machine tool position measurement employing multiple laser distance measurements  
Positions of the spindles (116-124) of a multi-axis drilling machine (130,132,140,142) are precisely measured by three scanning laser beams (165,167,169). The scanning laser beams are swept in...
5383751 Manually positioned computer controlled drilling machine  
A manually positioned computer controlled drilling machine (10) is disclosed for drilling a hole (12) through a surface (14). The machine includes a base (16) which is supported on a...
5379509 Method for multiple-spindle machining  
A method of machining simultaneously a sequence of surfaces on each of multiple sides of a workpiece, comprising: (a) supporting a plurality of rotary-driven spindles, each carrying a cutting tool,...
5378091 Method and apparatus for machining a workpiece  
An apparatus machines a workpiece by a rotating cutting tool having at least one coolant channel extended toward the free end thereof with high-pressure coolant jetting onto the free end of the...
5375949 Device and method for forming the S-video record enable I.D. hole in videocassettes  
A device and method are disclosed for forming the S-video record enable I.D. hole in VHS, 8 mm and VHS-C videocassettes. Three specially adapted hole forming implements and their method of use are...
5374144 Process for removing chips from workpieces  
A process for removing chips jammed in a cavity of a workpiece produced during machining work by means of a jet of compressed air, wherein for quick, simple and complete removal of these chips a...
5368539 Multi-positioner machining system  
A machining system that has (i) plural machining cells spaced along a path, each having a single-point-tool and a rapid-positioning assembly for positioning the tool for multiple insertions into a...
5356244 Head frame boring method and apparatus  
The method, apparatus and system utilize the saddle on which the stationary head of an automatic screw machine is normally mounted, for supporting a cylindrical boring bar. Rotation and advancement...
5354153 Machine tool part loading and unloading method and device particularly for machining printed circuit boards  
On a drilling machine for drilling packs of printed circuit boards, the packs are loaded and unloaded between a support and the work table by engaging a pin on the pack via a pair of jaws and by...
5352069 Method and apparatus for a numerically controlled tapping machine  
An improved numerically controlled machine tool is provided by resiliently coupling an independent drive mechanism to a toolholder which in turn is fitted to the numerically controlled machine. The...
5349337 Apparatus and method for controlling peck drilling  
Peck drilling operations using a drilling tool with a rotatable bit are controlled according to the present invention. A control computer is used to detect various drilling conditions, such as dull...
5346337 Automatic tapping machine  
An apparatus for cutting threads in holes of fabricated parts including a vertical support shaft supporting at least one arm extended out over the part with a tap coupled to a motor on the end of...
5346338 Method for forming working fluid passages in a base of a hydraulic jack  
A method for forming working fluid passages in a base of a hydraulic jack includes the steps of: (1) forming a supporting rod seat passage by drilling from a lower portion of a check valve seat on...
5346453 Multiple bit power drill  
Disclosed is a portable electric power drill having a rotatable cylindrical magazine within the drill housing for storing a tool bit element in each of its plural bores, the magazine being...
5341606 Device for cutting and grinding a doughnut shaped substrate and a method therefor  
A device and method for cutting and grinding a hard but brittle material (such as glass plate, etc.) for producing a doughnut-shaped substrate are provided. The device of the present invention...
5342153 Portable drill support with a work surface engaging base  
A drill support having a base, and a body secured to and supported by the base. A saddle member is movably disposed on the body and a drill is removably disposed or secured to the saddle member in...
5336024 Precision drilling method  
In a precision drilling method for drilling a straight hole in a work with a drill, a drill unit for rotating the drill is supported to a housing in suspension by an electromagnetic force...
5332340 Drilling method and apparatus using variable dwell times  
A method and apparatus for increasing the speed and efficiency of a drilling machine during the drilling of holes in printed circuit boards includes automatically setting a dwell time according to...
5322399 Tube end preparation apparatus and method therefor  
A tube end preparing apparatus for precisely preparing the ends of tubes, including bent tubes. The apparatus includes a reference mechanism, a tube clamping mechanism, a cutting mechanism, and...
5318389 Towed array hose termination preparation tool apparatus  
The present invention relates to a hose termination apparatus for sizing an nner diameter and an outer diameter towed-sonar-array-strength-reinforced-flexible-tubing to prepare a tubing termination...
5314270 Plunge cutting device and method for pipes  
A plunge cutting device for plastic pipe, pipe couplings, plastic flanges and other planar members includes a cylindrical body including slots formed therein, a pilot for guiding the cylindrical...
5308198 Method and apparatus for drill length compensation  
One aspect of the invention is a method of rapidly drilling holes in a workpiece on a drilling machine having first and second spindles holding first and second drill tools, a first and second...
5304018 Plunge cutting device and method for plastic pipe members such as pipe couplings, flanges, hubs, and the like  
A universal plunge cutter for plastic pipe, pipe couplings, plastic flanges and other planar members, is provided. The plunge cutter has a cylindrical body supporting cutters, a drive shaft, a...
5302057 Method and device for centering a guide rod in a valve guide for the purpose of the precision machining of a valve seat  
The method centers a guide rod, which is inserted in a valve guide of a valve seat to be machined and which serves as a guide rod for a shaping tool. By hand, or with a mechanical, pneumatic,...