Abstract: Needle modules and associated methods. A needle module includes a module housing and a needle assembly operatively supported within the module housing. The module housing extends along a housing axis and includes a housing tip with a tip outlet. The needle assembly includes a drive bar extending at least partially along a drive bar axis and a needle grouping extending from the drive bar at least partially along a needle grouping axis and contacting the housing tip at a needle grouping contact location and at an angle relative to the housing tip at the needle grouping contact location. In examples, a method of assembling a needle module includes preparing a needle assembly that includes a needle grouping and a drive bar and installing the needle assembly within a module housing such that the needle grouping contacts the module housing at a needle grouping contact location.

Abstract: A magnetically driven tattoo machine is disclosed, which has a substantially radially symmetric exterior shape and be driven by a sensor-controlled electromagnetic coil. The machine has no oscillating mechanical components, and thus reduces or eliminates vibration. The machine may include a housing mechanically isolated from a needle cartridge or subcomponents that can be disassembled and sterilized. The electromagnet may be controlled by a sensor integral with the coil, housed within the machine, or within an external power supply. The machine may be powered by internal battery or by an external power source. The machine may also be controlled wirelessly.

Abstract: A small gauge surgical instrument is shown with advantages such as diminished “play” at the tip. A surgical instrument assembly is also shown with support along a length of the instrument that can be selected by the surgeon. Devices and method described provide adjustability of the instrument without protruding into a gripping surface of the instrument.

Abstract: A punch head comprises a low profile hydraulic anvil piston with a punch across from a die on opposite sides of a gap between two legs. One of the legs comprises a position sensor disposed on the bottom of the leg. For example, a plurality of punch heads are disposed on a jig or frame and are positioned using one or more of the position sensors. For example, the position sensor is a mini fiber optic position sensor mounted in a recessed portion at the bottom of one or more of the punch heads.

Abstract: A needle assembly for a liquid applicator comprises housing with longitudinal channel. The channel comprises upper and lower open ends. A needle bundle is movably mounted in the channel, which comprises needle shaft and needles attached thereto. A biasing member is configured and mounted for (i) biasing the needle bundle longitudinally towards a retracted position and (ii) biasing the needles laterally towards a needle-guiding side wall of the housing adjacent the lower open end. The biasing member is configured and mounted to form a fluid seal between the lower and upper open ends. The biasing member comprises an elastic tubular section with opposite sides. The first side has a first rectified length. The second side has a second rectified length longer than the first rectified length so that the second side is less tensioned than the first side to bias the needles towards the needle-guiding side wall.

Abstract: An arm-mounted motorized tattooing instrument includes a skin-perforating ink delivery wand configured for hand-held operation by a human operator, a wrist-or-forearm-mountable power supply, and a means for electrically coupling the skin-perforating ink delivery wand to the power supply. The instrument is configured to allow the human operator to operate the ink delivery wand without loss of power when rotating the ink delivery wand by hand about any of three orthogonal axes with the power supply mounted to a wrist or forearm of the same hand.

Abstract: A handle for an applicator of coloured liquid to skin is provided. The applicator comprises a needle and a needle actuator. The handle comprises a handle body having top and bottom portions. The top portion is engagable with the needle actuator and having a top opening for receiving a drive shaft of the needle actuator. The bottom portion is engagable with a needle module comprising the needle and having a bottom opening for receiving a needle shaft of the needle. The handle also comprises a reciprocally movable interface sealingly affixed to an internal surface of the handle body. The interface separates the bottom opening from the top opening so as to prevent fluid communication from the bottom opening to the top opening, and is configured to abut the drive shaft and the needle shaft during use to allow the drive shaft to indirectly drive the needle shaft.

Abstract: A wireless power supply and voltage controller for powering and controlling a tattoo machine according to the present invention includes a battery housing having a plurality of walls that, collectively, define an interior area and a rechargeable battery positioned in the interior area of the battery housing. An input selection assembly is positioned on an exterior surface of a respective wall of the plurality of walls of the battery housing, the input selection assembly being operable to generate a speed generation signal. A controller is electrically connected to the input selection assembly that is operable to regulate a quantity of voltage flowing from the battery according to the speed generation signal.

Abstract: A tattooing apparatus including a needle having at least one tip. The needle is configured to move between a first position in which the tip is located above the surface of a skin, and a second position in which the tip is located at a penetration depth underneath the skin surface. The needle is further configured to deposit an ink between the skin surface and the penetration depth. The tattooing apparatus further includes a needle drive mechanism configured to move the needle between the first position and the second position. The tattooing apparatus includes a sensor configured to output a feedback signal corresponding to a skin thickness characteristic. The tattooing apparatus further includes a controller configured to receive the feedback signal, wherein the controller is configured to adjust the penetration depth based on the skin thickness characteristic.

Abstract: A handheld device for repeated local puncture of human or animal skin, comprising a housing having a handle, a drive device in the housing supplied with a rotating movement about an axis of rotation by a driveshaft, a conversion mechanism coupled to the driveshaft to convert rotating movement into a driving movement along a driving movement direction, and a puncture device which is arranged in the housing and as a puncture needle, which is arranged on a needle shaft that can be moved back and forth repeatedly along a path of movement together with the puncture needle and is connected to the conversion mechanism, wherein the conversion mechanism has a rod crank device, and the stroke executed by the puncture element in moving back and forth is adjustable by altering a relative position between an axial direction of the axis of rotation and the direction of the driving movement.

Abstract: An improvement to a tattoo machine of the type having an oscillating needle bar, a needle tube, a grip, and a needle tube support is either added to an existing tattoo machine or incorporated into the tattoo machine during manufacture. A tensioner base selectively fixable with the needle tube support comprises a support attachment and a spring support. A resilient tensioner spring is fixed with the spring support at a proximate end thereof. The tensioner spring terminates with a wheel support fixed to a distal end of the tensioner spring. The tensioner spring includes at least one curved portion between the ends, and at least two adjustment screw apertures therethrough. An adjustment screw is fixed with the tensioner spring to the spring support through the at least two adjustment screw apertures of the tensioner spring. A tensioner wheel is rotationally fixed with the wheel support of the tensioner spring.

Abstract: A rotary tattoo machine is disclosed. The rotary tattoo machine comprises a machine body having a recess, a cam wheel for insertion into the recess of the machine body, comprising: a first retaining element; a cam located on top of, and coaxially with, the first retaining element, the cam coupled with the first retaining element, wherein the cam is configured for coupling with an axle of an electric motor, such that rotation of the axle rotates the cam, and wherein the cam includes a location on its top surface, such that the location is not coaxial with the cam; a needle driving shaft coupled with the location on the top surface of the cam, wherein the shaft extends upwards from the cam; and a drive element coupled to the shaft, wherein the drive element is further coupled with a needle.

Abstract: Exemplary embodiments of method and apparatus are provided for resurfacing of skin that includes formation of a plurality of small holes, e.g., having widths less than about 1 mm or 0.5 mm. For example, such small holes can be produced using a mechanical apparatus that includes one or more abrading elements provided at the end of one or more rotating shafts, thus avoiding generation of thermal damage as occurs with conventional laser resurfacing procedures and devices. The holes thus formed can be well-tolerated by the skin, and may exhibit shorter healing times and less swelling than conventional resurfacing procedures. The fractional surface coverage of the holes can be between about 0.1 and 0.7, or between about 0.2 and 0.5. The method and apparatus can produce cosmetic improvements in the skin appearance by eliciting a healing response.

Abstract: Fixed-volumes of liquid are measured and dispensed from a container by empirically determining the liquid surface height and opening a dispensing valve for a time period that is calculated using a volume of liquid specified to be dispensed and the empirically-determined liquid surface height. The liquid surface height in the container is determined empirically for initial and subsequent volumes of liquid that are dispensed. Dispensing accuracy is maintained whether the container is full or nearly empty.

Abstract: A rotary tattoo machine with suspended motor give, includes: a frame adapted to receive and support rotary tattoo machine components; a spring mechanism having at least one spring connected to the frame; a D.C. rotary drive motor connected to the at least one spring and rotatably suspended from the spring mechanism relative to the frame, the D.C. rotary drive motor having a drive shaft and a cam extending therefrom; a needle drive mechanism connected to the cam; and, a tattoo needle connected to the needle drive mechanism. There is an optional spring tension adjustment mechanism connected to the at least one spring.

Abstract: A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions.

Abstract: Tattoo machines include a motor pivotably coupled to a frame. The motor includes an eccentrically weighted shaft. A needle drive mechanism is coupled with the motor. Methods of making tattoo machines may include obtaining a frame and obtaining a motor that includes an eccentrically weighted shaft. The motor can then be coupled to the frame so that the motor is able to pivot about a pivot axis. Methods operational for tattoo machines include rotating an eccentrically weighted shaft on a motor that is pivotably coupled to a frame. The motor is pivoted about a pivot axis as a result of the rotation of the shaft.

Abstract: An eccentric gear for a tattoo machine allows the throw of the needle of the machine to be quickly and easily changed without the need to adjust the springs of the machine. The eccentric gear, which is rotatably connected to the output shaft of the motor and also to the linkage bar, has a body member that has a channel on its upper surface. A slide plate, to which the linkage bar is rotatably connected, is slidably disposed within the channel so that movement of the linkage bar-slide plate connection point closer to or farther away from the longitudinal axis of the output shaft, decreases or increases the throw of the needle respectively. A set screw frictionally locks the slide plate within the channel.

Abstract: An improved electromagnetic coil tattoo machine offers the operator the opportunity to customize the machine's structural and operating properties. An embodiment of the invention provides a tattoo machine having at least one electromagnetic support coil which may include a coil core which has threaded holes which accommodate fasteners used to structurally secure and support 2 or 3 piece sub-frame members which house the secondary components that a conventional one-piece frame would house—such as the spring/armature bar, the binding posts and the preferred tube vice system. Accordingly in one embodiment, the support coil assemblies themselves act as a primary structural frame member. In a further embodiment, the electromagnetic support coil assembly may also use removable instead of non-removable retaining washers and O-rings to retain magnetic wire windings such as to allow the operator to customize and repair the magnetic wire.

Abstract: A hand-held knockout punch driver for use with a punch and a die. The hand-held knockout punch driver having a body with a handle portion and a contact surface, a motor positioned within the body, a draw stud moveable with respect to the body, and a magnetic coupling member configured to releaseably couple the die to the contact surface of the body.

Abstract: A tool assembly is disclosed that provides reciprocating motion to a tip of the assembly. The tool assembly has a drive assembly, a shaft assembly and a retraction mechanism contained within a housing. The tip of the shaft assembly protrudes from the housing during a portion of the stroke of the drive mechanism and upon disengagement of a motor of the drive assembly, the tip of the shaft assembly is recessed within the housing of the tool assembly.

Abstract: Through putting the coils of a tattoo machine in an angle and mounting an equivalently bent hammer on a, although in a (little more than the before mentioned ones), angle fixed spring mount we obtain a machine that is stronger than other machines compared in size and lighter and shorter than other machines that are comparable in power. A marking device with an oscillating needle. The needle is attached through a needle bar on an armature bar which is attracted by an electromagnetic assembly. A from rear to front ascending angled stair-like milled yoke supports the electromagnetic assembly, which consists of one lower and one higher coil. A spring mount with an adequate angle is mounted to the side plates. An inversely proportional bent armature bar levels that before mentioned angle. The armature bar is attached through a spring to the spring mount. The angle of the set-up procures the oscillating armature bar with a both forth and downward motion, following a so called arc principle.

Abstract: A stud punch head for a power tool includes a head housing and a first arm movably coupled to the head housing. The first arm supports a punch. The stud punch head also includes a second arm movably coupled to the head housing and relative to the first arm. The second arm supports a die opposite the punch. The stud punch head also includes a drive mechanism positioned at least partially within the head housing and operatively coupled to a motor of the power tool. The drive mechanism is operable to move the first arm and the second arm toward and away from each other.

Abstract: The present invention relates to a tattoo device having a single DC coil with a pulse width modulation (PWM) circuit to control when the single DC coil is energized. Such arrangement eliminates the need for a set screw as in traditional tattoo machines and allows for a lighter device having fewer vibrations, better balance, and improved precision when being used.

Abstract: A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the member is formed integrally with the punch and extends from the punch proximate to a bore in the punch which is used to connect the punch to the draw stud. In another embodiment of the invention, the member is provided as an insert which is connected to the punch within a counterbore. The punch is also provided with a pair of piercing portions for piercing through the workpiece after the member has centered the punch assembly with the pilot hole and a pair of cutting portions for shearing the workpiece after the piercing portions have pierced the workpiece.

Abstract: A dual electric puncher punches two or three holes without readjustment. The dual purpose electric puncher includes a housing, an activation button, a motor, a group of three punch assemblies, and a group of two punch assemblies. Three punches are aligned along one side of the platform, and two punches are aligned along the opposite side of the platform. A gap allowing paper access to three punches is from one side of the dual purpose electric puncher, and another gap allowing access to two other punches is from the other, opposing side of the puncher. All five punches are activated simultaneously by the activation button.

Abstract: A marking device with a reciprocating needle is disclosed. The needle is attached to a drive mechanism that is linearly reciprocated via a drive motor. The needle is contained within a removable grip tube for adjustability of the exposed length of the needle end, the needle further including a stabilization mechanism limiting the movements of the needle to linear reciprocating motion. The device includes an open design for easy removal and replacement of device components and allows for utilization of varying dimensioned components such as tubes, needles, and motors available from a variety of manufacturers.

Abstract: A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the member is formed integrally with the punch and extends from the punch proximate to a bore in the punch which is used to connect the punch to the draw stud. In another embodiment of the invention, the member is provided as an insert which is connected to the punch within a counterbore. The punch is also provided with a pair of piercing portions for piercing through the workpiece after the member has centered the punch assembly with the pilot hole and a pair of cutting portions for shearing the workpiece after the piercing portions have pierced the workpiece.

Abstract: A hydraulic punch driver which includes a hydraulic pump section a hydraulic ram section, and a hydraulic hose which connects these two sections together. Because the hydraulic hose is flexible, the operator is able to manipulate the ram section such that it can be positioned at an angle relative to the pump section; a hose guard can be provided on the hose to protect the hose and to prevent overflexing of the hose. Such flexibleness allows the operator to use the punch driver in virtually any position such that the ram can operate as necessary and the operator can operate the pump handle, regardless of the environmental conditions of the place of use. The pump section also includes a coupler which allows a handle thereof to swivel 360 degrees to further allow the operator to grip and actuate the pump handle with maximum comfort.

Abstract: The composite battery-integrated tattooing machine totally avoids a clip cord and the drag associated with it. The new machine comprises a base frame for removably holding a needle bar housing assembly, a tattoo needle assembly removably mounted to reciprocate within the needle bar housing, a reciprocating motion generator having at least one electromagnet and a make and break mechanism for effecting reciprocating motion of the tattoo needle assembly, a battery, a rheostat, and a switch for actuation of the reciprocating motion of the tattoo needle assembly. An important switch arrangement is radio operated; other switches are hand operated. Special subassemblies are provided for conversion of known professional tattooing machines into the new type having battery power integrated with the tattooing machine. Experts can now tattoo without the annoying drag of a clip cord.

Abstract: An ink application device for tattooing or for making permanent make-up includes a handle, a needle drive, a needle, a needle nozzle and a protective cap. The device further includes at least two modules releasably connected to one another. One of the modules is formed as a reusable base module with an integrated needle drive, and the other module is a sterilized disposable module in which all components of the manual device capable of being infected by bodily fluids of a customer are integrated. The device can be constructively divided into two or three separate modules: a basic module, a disposable or hygienic module and an optional ink module. The basic module corresponds to the handle that includes the needle drive and is designed such that the hygienic module can be safely attached and connected to the integrated needle drive.

Abstract: An apparatus (10) makes easier, simpler and quicker the obtention of a sample of materials for physical and/or chemical testing. The apparatus (10) comprises a housing (24) containing a ram (18), the housing (24) having an anvil end (22) and a cutting end (12). In a method of using the apparatus (10), the cutting end (12) is driven into a substrate (14) and a plug (16) of sample material is obtained. Plug (16) is removed form housing (24) by forcing ram (18) in the direction of plug (16).

Abstract: A portable punching machine includes a pneumatic cylinder controlled to reciprocate a piston rod, and a punching mechanism coupled driven by the piston rod to punch holes on a metal workpiece, the punching mechanism including a locating block fixedly fastened to the pneumatic cylinder, the locating block having a plurality of bottom notches and a center through hole adapted to receive the piston rod of the pneumatic cylinder, an actuating block and adapted to move the workpiece relative to the locating block upon movement of the piston rod, the actuating block having a plurality of peripheral side notches selectively coupled to the metal workpiece, and pairs of guide holes aligned at two sides of the peripheral side notches, and a plurality of punching tool assemblies adapted to make holes on the metal workpiece, each punching tool assembly including a barrel mounted in one guide hole of the actuating block, a set of spring washers mounted in one bottom notch of the locating block, a punching rod mounted in o

Abstract: A hand held hole punching device having a shaft and a main body with a device for axially moving the shaft in a reciprocating motion. The tool head is connected to the shaft and includes a fixed portion fixed to the main body to slidably engage the shaft so that the shaft is permitted to slide axially relative to the fixed portion. Also, a movable portion is fixed to the shaft so that the movable portion moves axially with the shaft and the movable portion and the fixed portion cooperatively define at least two hole punchers. Each hole puncher has a punch pin that is different from a punch pin of any other hole puncher on the tool head.

Abstract: A portable hand-held apparatus for punching light gauge steel framing studs used in building construction to form holes of sufficient size to allow building wiring and piping to extend therethrough includes a control circuit connected to a limit switch and a main switch, and an output connected to a driving mechanism. The control circuit is configured to selectively operate the driving mechanism in response to assertion of the main switch by the user to drive the punch and die assembly from the deactuated position, over the working cycle, through the actuated position to form the punched hole, and continue to drive the punch and die assembly to the deactuated position to complete the cycle and assert the limit switch. The control circuit halts operation of the driving mechanism in response to assertion of the limit switch.

Abstract: An ink application device for tattooing or for making permanent make-up includes a handle, a needle drive, a needle, a needle nozzle and a protective cap. The device further includes at least two modules releasably connected to one another. One of the modules is formed as a reusable base module with an integrated needle drive, and the other module is a sterilized disposable module in which all components of the manual device capable of being infected by bodily fluids of a customer are integrated. The device can be constructively divided into two or three separate modules: a basic module, a disposable or hygienic module and an optional ink module. The basic module corresponds to the handle that includes the needle drive and is designed such that the hygienic module can be safely attached and connected to the integrated needle drive.

Abstract: A punching machine has a power-driven plunger to which a punch is chucked to be driven into and out of a die for perforating sheet-metal work. The plunger has a punch socket formed centrally in its end for receiving the shank of the punch, and a plurality of ball guideways extending radially outwardly from the punch socket. Locking balls are slidably received one in each ball guideway for movement into and out of locking engagement in an annular groove in the shank of the punch received in the punch socket. Concentrically mounted on the plunger, a cam ring is sprung in one axial direction of the plunger for urging the locking balls into locking engagement with the punch shank. Each locking ball is elongated radially of the plunger with a view to reduction of the machine dimension axially of the plunger for given diameters of the plunger and the punch.

Abstract: A contact bar assembly for a tattooing device having a spring saddle frame comprising an arcuate contact arm supporting a contact screw for making electrical contact with the contact spring. The proximate end of the contact arm is slotted for adjustment in a longitudinal direction. The distal end of the contact arm has a cylindrical lug disposed horizontally adapted to receive a cylindrical rod insert having a threaded axial bore. The lug has a pair of opposed slots for reception of the threaded contact screw, which also threads through the rod insert enabling adjustment of the contact screw in vertical or angular movement in the lug. The contact bar assembly is lightweight, balanced, and adjustment thereof is possible with the opposite free hand by either a right or left-handed tattooist.

Abstract: A hydraulic punch (1) having a hydraulic ram (2) and a hydraulic pump (3). The hydraulic pump having a body (4) and a reservoir having a longitudinal axis (XX) being secured to the ram and equipped with a manual operating lever (12). The ram is articulated to the pump body about an axis of rotation (ZZ) which is inclined with respect to the longitudinal axis (XX) of the pump reservoir. The ram (2) has a cylinder (7) containing a piston (8) and a ram end (9) forming a connection with the body (4) of the pump (3) to which it is rotatably articulated. An indexing device such as a ball (15) pushed by a spring and housed in indentations in the body (4) or in the ram end (9) allow the ram (2) to be kept in a chosen angular position (parallel or perpendicular) with respect to the pump (3). Furthermore, a longitudinal pull axis (YY) of the ram (2) is offset laterally from and parallel to the longitudinal axis (XX) of the reservoir of the pump (3).

Abstract: An improved injection apparatus is disclosed comprised of a first motor and a second motor, each motor having a shaft. First and second needles are located substantially perpendicular to the first and second shafts, respectively. When the first and second shafts rotate, the first and second needles, respectively, move up and down. The first and second shaft rotate in opposite directions. The first needle and second needles can be surrounded by first and second needle tubes, respectively. The first and second needle tubes can be mounted to a device housing. The first and second needles each preferably has a portion that lies inside its needle tube and a portion that lies outside its needle tube. First and second sources of liquid and first and second conveying tubes are provided. The first and second conveying tubes are connected to the first and second needles, preferably at a side arm inside the respective needle tubes. The first and second needles are preferably hollow.

Abstract: A machine having a hydraulic, single acting, spring return cylinder for moving a punch toward and away from a die in order to cut a hole in a steel frame member or the like. A laser is built into the machine for emitting an aiming beam from the punch. A hole can be punched exactly in position on the work by projecting the aiming beam to a preformed mark thereon.

Abstract: A hydraulic puncher includes a puncher body housing an actuator, a reciprocal ram shaft and a punch holder having one end rotatably connected to the end of the ram shaft. Punches are arranged in the other end of the punch holder. A C-shaped frame has an opening opened perpendicularly to the axis of the puncher body and one end integrally connected to the puncher body. A die holder has one end removably connected to the other end of the C-shaped frame and dies are connected to the other end of the die holder and each having holes for receiving the punches. A first connecting unit is provided for fixing the punch holder to the ram shaft so as to selectively cause the punch holder to extend toward the front side of and crosswise of the puncher. A second connecting unit is provided for fixing the die holder to the other end of the C-shaped frame so as to selectively cause the die holder to extend toward the front side of and crosswise of the puncher.

Abstract: A marking device with a reciprocating needle. The needle is attached to an armature which reciprocates in a slot in a housing by a crank which is rotated by a motor in the housing. Vibration of the motor and tolerances between the armature and track cause unwanted movements of the needle in a plane perpendicular to the reciprocating motion. Guide bars and bushings connect the armature to the track. Tolerances between the guide bars and bushings are less than tolerances between the armature and track. An armature bracket is detachably connected to the housing in order to partially or fully close off an open end of the track after the armature has been inserted into the track. Guide bars and bushings then connect the armature and the armature bracket. The motor is supported on only one end by bolts extending from a mounting wall inside the housing. A damping plate is positioned between the motor and the mounting wall, and a damping ring is positioned between, and contacts, the damping ring and the housing.

Abstract: An electromagnetic percussion device, which includes a housing and an instrument which is connected to, and which extends beyond, the housing. The device further includes a piston body reciprocatable within the housing and adapted to impact the instrument. The piston body includes an intermediate region of a first diameter and an enlarged posterior head of a second diameter, with the second diameter being larger than the first diameter. The device also includes a driving member reciprocatable within the housing. The driving member includes a coupling element for slidably accommodating the head of the piston body, thereby coupling the driving member and the piston body together. A permanent magnet is connected to the driving member. Finally, an electromagnet coil is connected to the housing, the coil being operationally coupled to the permanent magnet so as to cause the reciprocation of the driving member.

Abstract: A hydraulic puncher comprises a generally C-shaped frame member having a pair of opposed ends between which a workpiece is disposed, and a hydraulic actuator fixedly connected to one end of the frame member. Provided on one end of the frame member is a ram having a punch fixed to the front end of the ram and reciprocated by an actuator. The other end of the frame member supports a die cooperating with the punch via a removable die mount. The die mount has a groove open toward the interior of the C-shaped frame, for receiving a part of a workpiece.

Abstract: A hydraulic puncher comprises a cylindrical casing, a pump unit including a pump and fixedly held in the casing, a cylinder chamber defined by the cylindrical inner face and the inner end face of the pump unit, a piston reciprocatingly and slidably provided in the cylinder chamber and an oil reservoir which is formed adjacent to the pump unit in the casing and from which the pump sucks operating oil filled within the cylindrical casing.

Abstract: A mechanical force enhancer for the amplification of a force generated by a pneumatic cylinder that is mounted at one end of a pair of spaced apart side plates. A piston rod attached to the pneumatic cylinder is in turn connected to a translatable link that is guided partially by complementary grooves contained in the side plates. After the link has translated through a prescribed distance, the end thereof most remote from the cylinder rod end is stopped against translatory movement thus permitting the link to rotate. A tool containing ram is attached to the link intermediate the stopped end and the rod attachment end. The continued rotation of the link provides an amplification of the force delivered by the cylinder ram thus permitting the tool to do useful work.

Abstract: A pad sander paper punch assembly includes a base member having three upstanding walls for locating thereon a standard size sheet of sandpaper. A plate member is then placed over the sheet of sandpaper, the plate member having locating tabs which cooperate with the upstanding walls on the base member. The plate member and the base member are both perforated in locations corresponding to suction holes on the platen of the pad sander and a punch is then utilized to pass through the plate and base member perforations to appropriately perforate the sandpaper sandwiched therebetween. The base member is further formed with recessed walls so that the sandpaper may be creased at its ends to go over the sander platen with the perforations therein properly aligned with the suction holes in the sander platen.

Abstract: A device for punching cutouts through sheets of drywall or similar wall covering sheets that are typically installed on framing members to which utility boxes are mounted. A cutting assembly is removably mounted over the utility or electrical boxes and the cutting assembly has substantially the same projected contour of these boxes with a puncturing member that cuts through the drywall. A pulling assembly engages with the protruding end of the puncturing member and adapted to pull it, and the cutting assembly to which it is rigidly connected, thereby producing a cutout that substantially follows the contour of the utility box that needs to be exposed through the drywall.

Abstract: A mechanical force enhancer for the amplification of a force generated by a pneumatic cylinder that is mounted at one end of a pair of spaced apart side plates. A piston rod attached to the pneumatic cylinder is in turn connected to a translatable link that is guided partially by complementary grooves contained in the side plates. After the link has translated through a prescribed distance, the end thereof most remote from the cylinder rod end is stopped against translatory movement thus permitting the link to rotate. A tool containing ram is attached to the link intermediate the stopped end and the rod attachment end. The continued rotation of the link provides an amplification of the force delivered by the cylinder ram thus permitting the tool to do useful work.