Abstract: A hair clipping device including a housing defining a vacuum intake, a fan chamber and a vacuum passageway defining fluid communication between the vacuum intake and the fan chamber. A fan is rotatably disposed in the fan chamber and has an axis of rotation. The vacuum passageway has a first portion being generally parallel to the axis of rotation and is configured so that air is drawn into the intake in a first direction, and enters the fan chamber in a substantially opposite direction, and the vacuum passageway includes a second portion extending generally perpendicular to the first portion, the second portion being removable from the housing and configured as a clipping trap. The vacuum intake has at least one formation for deflecting clippings into the intake. A blade chassis is rotatably mounted to the housing to provide multiple cutting edges relative to a cutting location which is in operational proximity to the intake.

Abstract: A hair clipping device includes a housing, a blade chassis engageable upon the housing and having a bladeset including a stationary blade and at least one moving blade configured for reciprocal movement relative to the stationary blade. A comb assembly is configured for releasable attachment to the blade chassis and includes a comb base and a comb member. The comb member is selectively slidably adjustable relative to the comb base between a retracted position and an extended position. An adjustment mechanism is provided for selectively adjusting the comb member between the extended position and the retracted position, the adjustment mechanism having a handle and being configured so that movement of the handle will cause extension or retraction of the comb member relative to the comb base. In a hair clipping device, a housing encloses an apparatus for creating a vacuum, and has a vacuum inlet.

Abstract: A dust collector-equipped power cutter includes a prime mover, a cutter, a dust-sucking fan, and a belt-driven power transmission mechanism for transmitting rotation from the prime mover to the cutting disk and to the dust-sucking fan. The belt-driven power transmission mechanism is constructed such that the rotation of the prime mover is transmitted through a single belt to a cutter-driving pulley for the cutting disk and to a fan-driving pulley for the dust-sucking fan.

Abstract: A hair cleaning device is generally to maintain a barber shop's place by vacuum clean the cut hair. The device will suck all cut hair into a bag through either a vent attached on the trimmer or a bib sleeved onto a person's neck.

Abstract: A variable vacuum attachment for a hair grooming clipper includes a body and a coupler connected to the body and having an end receiving an end of a hose connected to a vacuum source. The body is a suction head mounted on the hair grooming clipper and defining an air flow passage. A vacuum applied to the body through the coupler and hose will induce a hair cuttings-entrainable flow of air from the cutting head end of the clipper through the air flow passage of the body and therefrom through the coupler to the hose. The coupler has open opposite ends and an internal air flow channel extending therebetween. A vacuum relief mechanism on the coupler includes a vacuum relief port in an annular wall thereof intermediate between the open opposite ends of the channel for providing adjustable flow communication between the channel and the exterior of the coupler.

Abstract: A conforming vacuum attachment includes a body defining an internal chamber, an adhesive substance for securing the body to a hair grooming clipper at a location adjacent to a set of cutting blades thereof, and a tubular member integral with the body and in communication with the internal chamber defined by the body for receiving and transporting hair clippings away from the set of cutting blades of the hair grooming clipper by means of a vacuum generated flow of air through the internal chamber. The body has a top wall, a pair of opposite side walls, a rear wall defining an opening, and a front edge on the top wall and opposite side walls.

Abstract: A surgical cutting tool, such as a pair of scissors, is provided suction means which allows suction to be applied to the site of operation. In the case of scissors, the closure of the blades is used to reduce the opening of a recess formed alone one of the inboard edges of the blades, and to effectively move the opening through which suction is applied, along the blade so as to constantly juxtapose the point of cutting. Electrodes can be connected to the blades to permit the tool to also act as a cautery.

Abstract: An improved hair cutting device (10) having a housing (12) having a housing front (12A) with a housing front vertical member (12AA) and a housing front horizontal member (12AB) attached to a housing front bottom support member (12AC). The housing (12) further has a housing middle (12B) and a housing rear (12C) with a housing door (12D) removably attached thereto forming a chamber therein. The housing (12) further has a housing left member (12L) and a housing right member (12R) extending perpendicularly downwardly therefrom. The improved hair cutting device (10) further has a brush (14) with a plurality of brush bristles (14A) extending perpendicularly from a brush spindle (14B) which is rotatably mounted at opposite distal ends to the housing left member (12L) and housing right member (12R), respectively. The improved hair cutting device (10) further has a vacuum (16) which comprises a vacuum motor (16A) fastened to a vacuum fan (16B) by a rotating vacuum shaft (16C).

Abstract: A haircutting device includes a housing having a first opening defined in an underside thereof. A body is adjustably mounted in the housing and has a second opening defined in an underside thereof and communicating with the first opening. A haircutting mechanism is mounted on the underside of the body and located above the second opening. A suction member is mounted in the housing and includes a suction vent defined in an underside thereof and located above the haircutting mechanism. The suction member is operated to draw air from the housing through the first and second openings into the suction vent.

Abstract: A precision hair clipper for cutting the hair to a predetermined length, energized solely by a vacuum source. A flow chamber having an inlet and an outlet which connected to an inlet of a turbine. The stator of the turbine is the handle of the hair clipper. The outlet of the turbine is connected to a vacuum source through a hose. In the inlet opening of the flow chamber the sucked in hair is cut by a wobbling-reciprocating narrow, double edged blade under a stationary blade opening to provide a pair of scissors action. The cutting mechanism is driven by the turbine through a speed reduction transmission. The length of hair after a cut depends on a selected spacer, connected to the inlet of the flow chamber.

Abstract: A carpet cleaning system which utilizes a conventional vacuum cleaner which is modified to include a cutting system. The vacuum cleaner raises the upper parts of the carpet material through suction and the cutting system cuts off the upper portion of the stained carpet. The vacuum removes the cut portion and what remains is clean carpet.

Abstract: A new style trim knife comprising a handle, a head on a first end of said handle and a blade. Components are for securing the blade to the head. A hand of a person can grasp the handle to allow the blade to cut off protrusions and rises left by a molding process on plastic, rubber and any other molded product at a work area. A facility is built into the head for removing by a suction action the loose cutoff protrusions and rises with a vacuum unit. The loose cutoff protrusions and rises will not cause damage to equipment located at the work area.

Abstract: A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head. A manually operated or finger depressible member is pivotally mounted on the handle in a manner that the same hand of the user which holds or grips the handle can also operate the finger depressible member which permits the other hand of the user to be free for other purposes.A motion transmitting mechanism is located in the housing of the appliance and interconnects the finger depressible member with the cutting scissor blades. The finger depressible member is connected to a slidable plate in the housing which is provided with structure to actuate the haircutters for severing hair entering the housing. Hair spacers are carried by the housing to selectively determine the length of hair to be cut.

Abstract: A motor-driven machine with integrated suction duct removal of chips drawn or sucked into the machine, comprising: a drive motor; a suction removal fan including a fan wheel connected to and driven by the drive motor, the fan wheel having a plurality of blades; an air guide housing within which the blades rotate, the air guide housing having an inlet and an outlet, and defining a front wall; a suction conduit associated with the inlet of the air guide housing the suction conduit serving to conduct air and chips to the air guide housing; and a disintegrating element situated at the inlet of the air guide housing and in communication with the suction conduit, and extending between the front wall and the blades, the disintegrating element being fixed relative to the air guide housing. The blades of the fan wheel extend axially, face the front wall and define a gap with the disintegrating element.

Abstract: A vacuum structure arranged for mounted securement to an associated hair clipper assembly is provided in operative communication with a vacuum pump to direct severed and trimmed hair into an associated container. The apparatus includes a rigid air inlet housing arranged for mounting to the hair clipper assembly having a downwardly canted inlet nozzle to include a nozzle valve plate mounted to effect air flow into the nozzle.

Abstract: An electric vacuum shaver incorporating a vacuum to effectively draw long thin hair into the shearing foil. A space control device is provided so that a vacuum can be better utilized and a proper space can be maintained between the shearing foil and the skin to help long hair to be effectively drawn into the shearing foil without being pressed. The shearing foil and the cutter can be designed in special shapes cooperating with the enclosure to accommodate various hair conditions without adjusting the space between the skin and the shearing foil. Optionally, a disconnecting device is provided to disconnect power to the fan when there is little space between the shearing foil and the skin to prevent the shearing foil from sticking to the skin.

Abstract: A dog grooming attachment to a haircutting tool of the type that uses hair flow created by suction device to draw hair into a cutting chamber comprises a spacing element attachable to the inlet of the cutting chamber and a comb made of a plurality of parallel, L-shaped tines.

Abstract: A hair cutting device comprising a clipper head with powered cutting means. A vacuum pickup tube has a flat entry nozzle extending across the cutting means, tapering back to a circular tubular configuration. The pickup tube is connected to a disposal hose, which is connected to a source of vacuum and the pickup tube is free to rotate on the disposal hose so that the clipper head can be manipulated without twisting the hose. Electric power means include means to maintain electrical contact throughout rotary movements of the clipper head.

Abstract: A precision hair clipper for cutting the hair of a subject to a uniform length comprises a housing defining a flow chamber attachable to a vacuum source. At the inlet of the housing a pair of reciprocating blades occupy one side of a quadrangular rim. The blades have rows of cooperating teeth facing the opening of the inlet. A bar commensurate with and parallel to the blade teeth is reciprocally translated across the opening between the teeth and the opposite edge of the rim. Hair drawn through the flow chamber is thus periodically pushed against the shearing teeth. The bar movement is coupled to the blade oscillating mechanism.

Abstract: A suction attachment for a hair grooming clipper includes a suction head having a vacuum relief port and a flexible sealing lid for covering the port. The relief port communicates between an internal air flow passage in the suction head and the exterior of the suction head. The sealing lid is movable by a user's finger to regulate the degree of relief of the vacuum provided by the port. The suction head has a flow constriction defined in the air flow passage midway between a front inlet and a rear outlet and proximate the location of the relief port such that regulation of vacuum relief occurs at the region of the passage where the air pressure is highest and air velocity is lowest. Also, a hollow tubular extension at one end can be inserted in the relief port when the port is completely open to prevent clogging of the open port by hair entering the port from the exterior of the suction head.

Abstract: An adjustable spacer for extending away from the scalp conventional powered hair clippers adapted for pneumatic removal of hair cuttings to predetermine the length of cut hair, which spacer provides extension members on either of opposing sides of the cutting head of the clippers by attachment thereto of a bracket. The degree of extension of the spacer from the bracket is determined by regulation of the opposing extension members. The spacer may be attached directly to the clippers, or, in the alternative, may be attached to a conventional shoe comb which, in turn, may be easily attached to and detached from the clippers.

Abstract: A cordless hair trimmer has a reciprocating blade system adapted for delicate trimming in small, sensitive body areas such as the eyebrows, ears and nose. An air inlet is provided adjacent to the blades, and a vacuum is created at the air inlet by a suction fan inside the trimmer. The fan draws air through the inlet to a chamber at the bottom of the device, where hair clippings are collected until a clean-out door is removed and the chamber is emptied. The fan also creates air pressure at the blades which inhibits the accumulation of cut hair strands in the blades and blade mechanism.

Abstract: A tent-free technique, system, and apparatus for effecting protection of humans from airborne asbestos and other particulate contamination is disclosed. It comprises a first transparent cowling means operatively associated with drilling means and at least one filtration unit flow connected therewith. The first cowling means comprises two members slidably disposed relative to one another, with the first member thereof being more or less substantially fixed relative to the drilling means housing and the second member adapted to be more or less substantially fixed temporarily to the plane of the material first engaged by the drill bit. A second cowling means, also flow connected to said filtration unit, is operatively associated with the instant apparatus and more or less substantially fixed temporarily to the plane of the material lastly engaged by said drill bit. A third cowling means is operatively associated with sawing means and fixed relative to the housing thereof and adapted for enclosing the saw blade.

Abstract: Rolls of paper are converted by unwinding, cutting and stacking into a relatively high stack of paper sheets of a predetermined uniform size. At least one of the vertical corners of the stack is removed by running an electrically driven manual planer down the corner so as to leave each sheet with one or more corners having a notch for use in orienting the sheet such as in feeding it into a copy machine. The planer is equipped with guide means so that the corner notches all have the same predetermined size and shape. The planer is preferably equipped with a vacuum hose which removes the debris as it is formed and conveys it to a vacuumized collection chamber. Preferably, the stacks of paper sheets are accumulated onto the deck of a pallet having on the underside a support integrally formed from a sheet of material so as to have parallel channel formations adjacent to and inset from opposite sides of the deck. It is also desired to provide a center-post or pedestal.

Abstract: A cutting tool is provided for removing the exposed pintail of a set fastener, such as blind fastener of the type commonly used in the aerospace industry. The tool comprises an air motor for rapidly rotating a relatively thin cutting disk made from a highly abrasive material. The tool is provided with an adjustment mechanism to control the distance of the cutting disk with respect to the surface in which the fastener is set. In operation, the cutting disk rapidly cuts through and removes the pintail so that it is substantially flush with the surrounding surface. A vacuum system also is provided inside the tool for collecting the severed pintails and related debris that results from the pintail cutting process.

Abstract: A hand held vacuum hair cutting device containing a turning plate, a stationary plate, and a positioning plate which can be adjusted to cut hair to a desired length. An electric motor turns a flexible rotating nylon trim line which is located between the stationary plate and the positioning plate. A fan creates a vacuum which pulls the hair through the turning plate, the stationary plate, and the positioning plate where the hair is cut to the desired length by the rotating nylon trim line. A filter is located between the fan and the nylon trim line which collects the hair. The length of hair to be cut is determined by holes in the turning plate that are opened and closed by rotating the turning plate relative to the stationary plate and positioning plate. When rotating the turning plate so that the holes in the low position, hair is cut short. Likewise, when rotating the turning plate so that the holes are in the high position, hair is cut long.

Abstract: A hand held hair trimmer for trimming hair in nose and ears has a cutter action and fan like action to collect the cut hair. The trimmer comprises a hand held container with a battery and motor therein, a rotatable shaft extends from the motor to one end of the container which has a screen with apertures of sufficient size to allow hairs to pass therethrough. The screen is semispherical in shape and joined to a cylindrical portion. A cutting head is attached to the end of the shaft and rotates within the screen with the blades arranged to cut hairs protruding through the screen, and being angled to provide a fan like action when rotated. A removable filter is located within the container adjacent the screen to cut hair trimmings and a vent is located in the container to vent air pulled into the container from the rotating blades, the air vent is down stream from the filter.

Abstract: A hand-held clipper for removing entangled fibers from the surface of fabrics has a grip handle with a cutting head. The cutting head comprises a perforated shear foil and cutter blades rotating in shearing engagement with the interior face of the shear foil. The shear foil is curved into a generally semi-cylindrical configuration having a longitudinal axis and define first and second side faces on the opposite sides of a curved top portion. The cutter blade has a cutting edge extending along the longitudinal axis of the shear foil and is driven to rotate in one direction about a rotations axis, which is common to the longitudinal axis of the shear foil, so as to move along the curved shear foil continuously from the first side face toward the second side faces.

Abstract: A hair cutting guide for use with either a conventional pair of shears or hair clippers comprises a housing having first and second openings therein and a guide portion for receiving the conventional cutting apparatus in such a manner so as to define a cutting region within the housing. The housing is coupled to a source of vacuum at its output end, and its input end is coupled to at least one input member of a predetermined length. In this manner, hair is drawn into the input member under the force of the vacuum to the cutting region where it is clipped. The clipped hair is then drawn out of the housing by the vacuum to a collection area. The input members may vary in length and shape so as to achieve a desired hair style.

Abstract: A manually portable haircutting and trimming device comprising haircutting blades located in a tubular housing, a motor located at one end of the housing having the dual purpose of driving the haircutting blades and providing a vacuum source for drawing hair from the scalp of a user into the cutting blades and depositing cut hair into a hair storing compartment within the housing, thereby making the haircutting device fully selfcontained. Special air guide means are included to ensure that all hair that enters the hair cutting device, will be cut by the cutting blades. Releasably unidirectional, incrementally adjustable length control means are included to selectively control length of hair remaining on the scalp at various locations as well as means to facilitate crew-cuts, and taper cuts. Special means are included to permit Afro hair cuts without straightening out the curly hair before cutting. Cut-by-numbers means are incorporated permitting the use of hairstyling diagrams with preselected patterns.

Abstract: An apparatus including a cylindrical housing mounting an upper cylindrical housing slidably thereto to vary a spacing between an entrance of the upper cylindrical housing to a series of cutting blades. The cutting blades are mounted to a rotating shaft of an electric motor, with an exhaust conduit positioned between the electric motor and the cutting blades for directing cut hair and debris exteriorly of the housing, with the conduit associated with a source of vacuum, and wherein the conduit includes sliding doors for varying the degree of vacuum directed to the conduit. Alternative configurations include a self-enclosed housing with the vacuum source defined by impeller blades mounted within a lowermost portion of the housing underlying a porous bag with the housing separable to gain access to the porous bag utilizing either a direct drive for the impeller blades, or alternatively a gear drive to circumvent the porous bag.

Abstract: A precision hair-clipping guide for cutting the hair of a subject to a uniform length at a selectable spacing from the subject's scalp. The guide attaches to the end of a vacuum cleaner hose and defines a flow-chamber having a slot through which the blades of clipping scissors may be manipulated while the hair is being drawn into the housing by vacuum.

Abstract: A clipper comprises an elongated handle grip 10 and a cutting head 20 which has an outer shearing foil 22 and an inner cutter assembly 40 driven to rotate in engagement with the undersurface of the outer shearing foil 22 for clipping the entangled fiber strands from the surface of a fabric. The cutting head 20 has a center axis which is perpendicular to the general top plane of the shearing foil 22 and about which the inner cutter assembly 40 rotates. The cutting head 20 extends forwardly from the one longitudinal end of the handle grip 10 with its center axis angled at an obtuse angle with respect to the longitudinal axis of the handle grip 10. A recovery chute 60 is provided along the front face 11 of the handle grip 10 for recovering the clipped fiber strands from within the cutting head 20.

Abstract: A hair cutter has a vacuum source connected tubular barrel and an interior shaft mounted turbine assembly. The turbine assembly includes a turbine coupled to a flywheel which in turn is coupled to a rotary blade assembly. A stationary radially disposed blade arrangement engages the rotatory blade arrangement. A pivot shaft arrangement is supported on the inside of the barrel joined to a longitudinal movable sleeve for adjusting the positioning of the internal assembly and couples the turbine to the flywheel and the flywheel to the rotary blade assembly. The turbine is coupled to the rotary blade assembly to create a rotary force to both rotate the rotary blade against the fixed blade, and to enhance the scissors force of the rotatory blade against the first blade by longitudinally urging the rotary blade toward the turbine. A vacuum source coupled to the barrel drives the turbine at one end of the barrel and the blade assembly is disposed adjacent an opening at the opposite end of the barrel.

Abstract: A hair cutting device including a generally rectangular conduit with an open inlet end and an opposite end connected to a vacuum source, and electrically operated hair clippers are carried by a housing so that the cutting elements of the hair clipper extend into the rectangular conduit and into the flow path of the air passing therethrough. A slot is also formed in the conduit to permit auxiliary air to be drawn into the conduit in such a manner as to direct hair entrained in the air flow within the conduit to be directed generally toward the cutting elements. A baffle plate may be provided proximate the cutting elements and downstream of the cutting elements and the slot. Also, the slot may be adjusted, both in terms of size and location relative to the cutting elements.

Abstract: A yarn end finding device includes a rotary cutter in the form of a drum which has a yarn end sucking holes formed in an outer peripheral surface thereof, and a movable blade having thereon a cutting edge adapted to press against and contact with the outer peripheral surface of the rotary cutter, wherein the movable blade is reciprocally moved in a direction substantially perpendicular to the direction of rotation of the rotary cutter.

Abstract: An apparatus for severing pilled material from clothing includes a body and a detachable container. The container is mounted to cover an inner opening of the body and includes protrusions to prevent escape of pilled material therefrom. A fan operably coupled to a shaft of a motor draws the severed pilled material into a body and then through the inner opening which is positioned to face and be laterally spaced from the shaft.

Abstract: The hair clipper comprises a hollow hand-carriable casing having an outlet adapted to be connected to a vacuum source, such as a domestic vacuum cleaner, and an intake adapted to be applied to the scalp to draw the hair into the casing. A stationary blade and a pivoted cutting blade are located just inside the intake. An air turbine, actuated by the air stream moving through the casing, drives the pivoted blade in a scissor-like reciprocating movement to cut the hairs and remove them by suction. Intake extensions of various lengths and shapes are removably attached to the casing to vary the length of the uncut hair.

Abstract: A precision hair clipper for cutting the hair of a subject to a uniform length which comprises a housing defining a flow chamber attachable to a vacuum hose. At the inlet of the housing a pair of reciprocating blades are configured to maintain a constant and equal flow of air through the chamber. Each of the blades is symmetrical to the other and features a row of parallel, sharp-edged slots. The row of slots of each blade is slanted in opposite direction to the row of the other blade so that their lateral oscillation results in a plurality of criss-crossing shearing edge action. The blades are driven by a pair of oppositely phased eccentric cams engaging openings in the blades. Selectable spacing of the clipper in relation to the subject's scalp is provided by a series of snap-on adjustable spacers.

Abstract: An open bottom housing containing motor driven cutting blades is placed on the head and the hair if drawn up into the housing and through the cutting blades by an upward air flow through the housing. This air flow is produced by a suction connection at the top of the housing actuated by an ordinary vacuum cleaner. A plurality of feet around the bottom opening rest on the scalp to provide an air inlet for the upward air flow.

Abstract: A device for finding an end of yarn from a spinning bobbin produced on a spinning frame. The yarn end finding device includes a suction case, a suction cutter drum in the form of a drum mounted for rotation in the suction case, and a cutter for cutting at a predetermined fixed position an end of a yarn sucked in through one of a number of holes formed in a circumferential face of the suction cutter drum.

Abstract: A hand held surgical instrument for use in removing body tissue from a human body. It is particularly useful in arthroscopic surgery of joints such as of the knee or shoulder, but may also be used to remove tissue from the stomach, abdomen, jaw or other portions of the body. An auger-like helical cutter is motor driven at speeds in excess of 1,000 rpm within a stationary outer cylindrical sheath member. The helical cutter is ground to provide a generally concave distal end which gives it a generally fish-tailed appearance and the ability to cut endwise, i.e., to effect an axial boring cut. In addition, the cylindrical sheath member is provided with a pair of longitudinally extending, diametrically opposed tab members at its distal end. Each of the tabs has at least one longitudinally extending edge thereof ground to provide a cutting edge which co-acts with the auger-like cutter blade to sever body tissue insertable between the tabs.

Abstract: A saw blade adapted for attachment to a power operated surgical saw having teeth disposed along at least a portion of its periphery and having a centrally located saw connector receiving opening and at least one elongated slot disposed between the central opening and the cutting teeth. A cutting depth stop is releasably secured to one side of the blade and extends perpendicularly outwardly therefrom to be movable to desired adjusted positions along the length of the elongated slot. Adjustment of the position of the stop can be performed without tools and even when the saw blade is hot.

Abstract: A hair cutting appliance includes a vacuum driven hair cutting shear mounted in a hair handling device so that hair being driven through the turbine operated shear draws uncut hair down a tunnel in the hair handling device to be severed by the blades of the shear. A hair deflector is positioned in the tunnel to move rapidly between a first position in clearing relationship to the shear blades and a second position wherein the deflector forces the uncut hair in the tunnel down into the shear blades where it is severed.

Abstract: An apparatus to aid in the cutting of hair used in combination with a source of suction and a hair cutting means comprising an elongated cylindrical open-ended member having a bore longitudinally therethrough, the first end portion of the member being of an enlarged diameter of the bore and adapted to abut the scalp of the head of hair to be cut, and the second end portion of the member adapted to be connected to a source of suction, a plurality of radially spaced inlet ports provided through the first end of the member for permitting the entry of air into the member when the first end portion abuts the scalp and is provided with a source of suction thereby allowing the force of the suction to entrain hair longitudinally of the bore, a plurality of longitudinally spaced openings provided in the member intermediate its ends for selectively introducing hair cutters into the member for cutting hair entrained longitudinally of the bore, and a plurality of rings slidably mounted on the member for selectively seali

Abstract: An automatic hair cutting apparatus comprises a hair cutter, hair cutter control mechanism for adjusting the cut length, a frame for holding the human head in a specific fixed position, a robot arm coupled to the hair cutter and to the frame for positioning the hair cutter at specific positions on the human head, and a computer coupled to the cutter control mechanism and to the robot arm for controlling the hair cutter position and length according to a desired haircut style. The hair cutter comprises a vacuum source, a cutter tube with one end opening coupled to the vacuum source and another end opening having powered blades that do not obstruct the air flow and impart cutting action to the entire cross section of the cutter tube, a stretcher tube that can slide over the cutter tube for changing the length of the cut, a stepper motor with threaded shaft connected to the cutter tube and the stretcher tube for adjusting the length of the cut.

Abstract: An apparatus for cutting hair includes a tube defining an air flow path with a cutting device located in a cutting zone in the flow path. The cutting device includes a rotor and a stator which co-operate in a continuous scissors like manner with the rotor being moved by a small air driven turbine. The apparatus is adapted for connection to a vacuum cleaner to provide an air flow in the air flow path and to drive the turbine.

Abstract: A haircutting device utilizing a vacuum nozzle provided with an inclined intake end utilized as a guide for placement of the scissors and as a cutting guide for determining the length of hair left on the head of the person receiving a haircut with this length being adjustable by an adjustably supported ball type supporting structure movably engaged with the scalp of the person receiving the haircut. The vacuum nozzle is provided with a contour to facilitate the nozzle fitting against the rear surface of the hand with a strap arrangement being provided to secure the nozzle to the hand. In one form of the invention, the vacuum nozzle is associated with a self-contained vacuum motor and fan unit and collecting bag that is either battery powered or powered through a suitable power cord extending to a conventional electrical outlet.

Abstract: A surgical instrument, with method and apparata for making same. A pair of coaxial tubular members include cooperating oval openings the formations of which are developed by the apparata and method. One apparatus comprises a fixture for supporting the inner or blade member in a spindle having a follower, and a cam assembly and registry means for mounting to the fixture. The cam assembly is mounted to the fixture and through cooperative action with the follower directs movement of blade member and spindle during grinding formation of a blade's thickness including a positive cutting angle across its wall. The registry means comprises a body mountable to the cam assembly and having a pin which properly seats an initially formed opening in the blade member exteriorly of the cam assembly for subsequent grinding thereon. A second apparatus provides for the initial formation of both openings after which the first apparatus operates to finish the blade member's body formation for its opening.

Abstract: An oscillating tool, particularly a cast cutter (40) having a support housing (46) with a cutting blade (70) interconnected to the housing (46) proximate one end thereof for oscillatory rotational movement about an axis (56) is disclosed. A torsion shaft (54) is fixedly interconnected at a first end (102) to the housing (46) so as to prevent rotational oscillation at the first end of the torsion shaft (54). The torsion shaft (54) further has a free second end (100) enabling oscillatory rotational movement of the second end (100) generally about the axis (56) of the cast cutter blade (70). A hollow tubular rotor support member (58) substantially more rigid than the torsion shaft (54) is attached to the torsion shaft (54) proximate the second free end (100) of the torsion shaft (54).