13949results about "Boring/drilling machines" patented technology

An apparatus and method for forming a hole in material for non-medical and medical purposes such as a cranial burr hole for ventriculostomy and brain biopsy procedures. The apparatus includes a main unit upon which a drill unit is located. The drill unit includes a drill bit and an on / off switching means. The main unit includes a handle which is suitable for grasping, and an advancing mechanism including a release / engage mechanism, and an advancing lever and an optional on / off switch. The drill unit is advanced a predetermined distance relative to the main unit each time an advancing lever is pulled. In use, the apparatus is placed in a desired position upon the material to be drilled such a patient's skull and is stabilized by a stabilization platform, the apparatus is then turned on, and the advancing lever is pulled to advance the drill unit a predetermined distance relative to a longitudinal axis of the main unit with each pull of the advancing lever. The procedure is ended when the desired depth of penetration has been reached, or the material such as in the case of skull bone, has been completely penetrated.

A method of and an apparatus for preventing accidents caused by blockage of a rotatable tool when working with a hand-held tool including the rotatable tool (8), a drive motor (7) for driving the rotatable tool (8), and means (5, 6) for interrupting transmission of a drive torque from the drive motor (7) to the rotatable tool (8) dependent on an operational condition of the hand-held tool, with the method including determining the operational condition of the hand-held tool by measuring displacement of the hand-held tool in space in at least two points of the hand-held tool spatially spaced from each other and spaced from a tool axis; subtracting two obtained displacement measurement variable (a.sub.1, a.sub.2) from each other; and thereafter, calculating an actuation signal that actuates the interrupting means (5, 6); and with the apparatus including sensors and an evaluation circuit for implementing the method.

A hand-held power tool having a multi-speed transmission and a clutch. The multi-speed transmission and the clutch are coupled to one another via a set of interconnecting tabs that are slidingly engaged to one another and secured with pins to inhibit the withdrawal of the tabs from one another. The clutch may include a clutch member, a unitarily formed clutch plate and a plurality of engagement members. The clutch plate includes an annular plate member and a plurality of leg members that extend generally perpendicularly from the annular plate member and which bias the engagement members into engagement with the clutch member. The clutch member may be coupled to an element of the multi-speed transmission, such as to the ring gear of a planetary gear set, so as to reduce the overall size of the power tool.

Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, a carriage assembly moveably coupled to the track assembly and moveable relative to the workpiece, and a position sensor. The position sensor includes a sensor element adapted to detect at least one edge of an index feature on the workpiece from a distance away from the index feature. In an alternate embodiment, the position sensor may include a sensing circuit that receives an analog signal from the sensing element and provides both analog and digital output signals. In another embodiment, a controller that controls manufacturing operations may be mounted directly on the carriage assembly.

A laser-guided coordination hole tool for precisely drilling holes in large parts includes a positioning table, a bushing cavity for receiving drill bushings, a clamping device, and a laser target. A laser-guided coordination hole tool may include a software interlock to prevent drilling in an improper location on the part. A method of drilling coordination holes includes probing a part to determine its reference frame, rigidly affixing a laser-guided coordination hole tool to the part, probing a target on the laser-guided coordination hole tool to determine the reference frame for the laser-guided coordination hole tool, accurately positioning a drill bushing over the hole location, and drilling a hole. A system for drilling coordination holes includes a laser-guided coordination hole tool, a bushing, a tooling, a drill motor, a laser tracker, and a computer running a coordination-hole drilling program.

A coring bit provides easy core removal by utilizing a series of lateral blades which extend from the top cutting surface to the base of the bit. The lateral blades and inner faces of the coring bit are biased to provide a conical shape to the core thus permitting the core to be easily extracted. Vents positioned approximate the lateral blades allow chips, debris and waste to be quickly dispelled. Various types of small center drill bits aid in the initial coring stages.

A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.

The invention provides an automatic pipe bending and perforating integrated machine, and belongs to the technical field of machinery. The automatic pipe bending and perforating integrated machine solves problems of low production efficiency and poor consistency due to the fact that an existing pipe processing machine cannot realize automatic production. The automatic pipe bending and perforating integrated machine comprises a bending mechanism, a perforating mechanism, an automatic feeding mechanism, a conveying mechanism and a grinding and discharging mechanism, a die device is arranged on the bending mechanism, the conveying mechanism comprises a conveying worktable, a conveyer belt, a bending discharging manipulator, an adjusting device and a perforating feeding manipulator, and the adjusting device can adjust and position pipes placed on the conveyer belt. The automatic pipe bending and perforating integrated machine can automatically complete a series of working procedures such as feeding, bending, conveying, perforating, grinding and the like, and has the advantages of high automation degree and production efficiency and capability of saving production cost.

There is provided a hole saw system comprising a hole saw including a bottom portion and a body portion; a mandrel, including apparatus for receiving the hole saw; wherein the hole saw includes a plurality of slot pairs, the slot pairs being offset from each other on the body portion allowing a tool to be inserted into one of the slot pairs for removal of a slug.

A hole-saw assembly including a hole-saw having at one end a plurality of cutting teeth and at the other end two shafts. The assembly includes a mandrel coaxially aligned with said hole-saw and including a body having two bores therethrough coaxially aligned with said shafts. An annulus located on top of the body is coaxially aligned with said mandrel and hole saw and includes two holes, the annulus rotatable around its longitudinal axis from a first to a second position. In the first position the annulus holes are aligned with the bores and shafts allowing the shafts to be freely insertable and removable and in the second position the holes are misaligned to lock the shafts to the annulus. Such an arrangement allows the hole-saw and the mandrel to be easily and quickly mountable and demountable.

Carrying systems, connecting systems and methods. The system connects a power tool and a component. In some constructions and in some aspects, the power tool includes a housing and a U-shaped receptacle defined by the housing. In some constructions and in some aspects, the component includes a stud selectively engageable with the receptacle to connect the power tool and the component. A locking mechanism is positioned within the receptacle and includes a cam. The locking mechanism is engageable with the stud to restrict movement of the stud with respect to the receptacle. The stud includes a recess at an end of the stud. The cam is selectively engageable with the recess to retain the stud within the receptacle. The cam is movable between a lock position and a released position. In the locked position, the cam extends into the recess and engages the stud. In the released position, the cam is retracted from the recess and is disengaged with the stud.

A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-drill mounted thereon, which is slidably mounted on a guide module. The axis of the drilling module movement intersects work surface. In another embodiment, a movable fence provides the adjustability of pocket-hole depth. In yet another embodiment, two actuator tips are disposed in a fence to prevent the drilling of a pocket-hole through the sidewall of a workpiece. In still another embodiment, a short stroke clamping actuator is used to prevent human finger injury. In still another embodiment, a blower or an ejector pump is used to remove wood chips, wherein the blower is either attached to a drilling motor or to a separate blower motor; the ejector pump is mounted near the drill guide. In still another embodiment, two pocket-drills are slidably mounted on a block so as to drill two pocket-holes and to adjust pocket-hole spacing. In still another embodiment, a mounting structure is disposed either underneath or above the work surface to mount drilling module(s) so as to drill multiple pocket-holes into a wide workpiece at one setup. In still another embodiment, a drill guide forms a clearance for the cutting edges of the step-drill to minimize wear on the edges. In a further embodiment, an actuator provides both clamping and drilling movements, wherein the actuator is an electric motor or a hand lever.

A method and apparatus for performing operations on a workpiece. A first frame in a frame system may be held on the workpiece by applying a vacuum to the first frame. A second frame in the frame system may be detached from the workpiece by applying a pressure to the second frame. The second frame may be moved to a location on the workpiece. The second frame may be attached to the workpiece by applying the vacuum to the second frame. An operation may be performed on the workpiece.

A tool operates with a guide system to identify the orientation of a tool on a work piece. In one implementation, the tool identifies its orientation with respect to a guide signal supplied by the guide system. In an alternate embodiment, the tool determines its absolute orientation, such as a (x, y) coordinate. The tool includes an action component adapted to alter the work piece, such as a cutting head in a router. A guide detector in the tool detects a position of a guide signal from the guide system. A location detector in the tool receives the position data and employs it to determine the tool's orientation. Based on the detected orientation, the tool decides whether any tool adjustments are necessary. Examples of tool adjustments include the following: adjusting the position of the action component, enabling or disabling the action component, and providing operating indicators to direct a tool operator's use of the tool.

A 3 sided bracket shaped template for accurately drilling door knob and lock holes in doors comprising a template plate a at right angle to a lock plate again at a right angle to a reverse plate. The template plate and reverse plate each contain rectangular apertures for drill passage, and the template plate further has zee bracket sleeves on the bottom and both sides of the rectangular aperture for slidably mounting removable plate guides each with different perpendicular cylindrical extension guide for drills of varying sizes. The lock plate also has a centered circular hole with a tubular drill guide perpendicular to the lock plate.

The invention discloses highly efficient equidistant drilling equipment for furniture plates. The equipment comprises a base plate, a left side plate, a right side plate, a top plate, a worktable, support legs, a first spring, a power mechanism, clamping devices, a sliding plate and a mounting plate. A third motor, a cam, a fourth motor and a drill bit are mounted on the lower portion of the mounting plate. The arranged power mechanism includes a first electric push rod, a first motor, a driving plate, a driven sheave, a gear and a rack. Through cooperation of the components above to drive theworktable to intermittently and equidistantly move to the left, equidistant drilling is achieved. The arranged clamping device comprises a second motor, a bidirectional lead screw, a vertical plate,an upper clamping plate and a lower clamping plate and can clamp or loose the plates, and clamping is convenient, fast and reliable. The cam and second springs are arranged and cooperate with each other to drive the sliding plate to move up and down, and the sliding plate drives the fourth motor and the drill bit to move up and down, so that drilling is performed on the plates. The equipment is simple in structure, convenient and fast and high in drilling efficiency.

A system for determining a depth of a hole drilled by a drilling machine. The system can include a drill string including one or more drill rods, wherein each of the one or more drill rods has a length; a target; a laser range finder configured to determine a plurality of distance readings, wherein each of the plurality of distance readings includes a distance value between the laser range finder and the target; and a controller configured to obtain the plurality of distance readings from the laser range finder. The controller processes the plurality of distance readings to produce a calculated distance between the laser range finder and the target. The controller may also use the calculated distance and the length of each of the one or more drill rods included in the drill string to determine the depth of the hole drilled by the drilling machine.

A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece slidably disposed relative to the housing. The bushing also includes a gas inlet in communication with the internal cavity such that the nose piece may be pneumatically urged forwardly relative to the housing and into operable contact with the structure. The bushing may also include a mounting mechanism for releasably attaching the housing to a drill motor. The mounting mechanism permits the housing to be detached from the drill motor to access the internal cavity, thereby permitting a spring to be inserted that will bias the nose piece forwardly relative to the housing. Spring actuation may be an alternative or a supplement to pneumatic actuation.

Apparatus and methods for servo-controlled manufacturing operations are disclosed. In one embodiment, an apparatus includes a base member, a drive platform spaced apart from the base member by a separation distance, and a plurality of guide members extending between the drive platform and the base member. At least one of the drive platform and the base member are moveable along the guide members to increase or decrease the separation distance. The apparatus also includes a drive member operatively coupled between the drive platform and the base member, and a servo motor operatively coupled to the drive member. As the servo motor drives the drive member, the separation distance is varied. In an alternate embodiment, a manufacturing tool may be coupled to at least one of the drive platform and the base member.

A production system for manufacturing a workpiece comprises an index system including a plurality of index devices removably mounted on the workpiece at known longitudinally spaced locations therealong, and a longitudinally extending index member releasably engaged with at least two of the index devices such that a position and orientation of the index member are fixed relative to the workpiece by the index devices, the index member having position-indicating features distributed therealong. The production system further comprises a machine module mounted for longitudinal movement along the index member and operable to perform an operation, the machine module being operable to detect the position-indicating features on the index member and thereby determine a position of the machine module relative to the workpiece.