Abstract: An apparatus for cutting hair that is comprised of a triangular housing, enclosing open scissor blades, from whose opposing flat sides are projected hollow tubes, one having several fitted extensions, the other having affixed to it a flexible plastic hose, tapered at the end, so that it is insertable into a vacuum suction device, thus supplying suction so that, with the extensioned tube placed on the subject's scalp, hair will be drawn up, through the housing and between open scissor blades, where it is cuttable at lengths dependent on the extensions used. A method of scissor positioned, vacuum haircutting employing this device.

Abstract: A power operated tool (20) functions to cut and collect a multitude of precious metal contacts (11,11) from wire spring relays (10). The tool (20) includes a pair of jaws (31,32) that in the open position fit over several rows of contacts (11,11). When the tool (20) is energized, the jaws (31,32) are snapped shut thereby severing the contacts (11,11) from the relays (28). The jaws (31,32) in the closed engaged position define a closed chamber (41) having a port (44) for attachment to a vacuum source for sucking the severed contacts (11,11) into a collection vessel. The jaws (31,32) reopen following collection and the tool (20) is ready to cut the next set of spring contacts (11,11).

Abstract: An implement for giving a haircut to a person; the implement including a molded plastic main body, for being held in a hand, and containing a circular cutter blade and fan rotated by an electric motor, and an adjustable nozzle in front of the cutter, for hair to be drawn therein by vacuum air force, and cut by the rotating cutter blades.

Abstract: A hair cutting unit device for the human head includes a movable open-ended casing in which an electrically operated clipper is mounted on guide means for movement. The blades of the clipper are in the open end of the casing. The position of the clipper with respect to the casing will fluctuate so that the cutting blades are moved away from the open end as the unit is moved upwardly on a head from the lower hairline so as to gradually increase the length of hair being left on the head. Rotary drums and threads in the casing are connected to a fixed member in which the head is positioned to effect translation of the clipper relative to the casing in response to movement of the unit upwardly from the lower hairline.

Abstract: An aspirating cutter severs a traveling yarn and exhausts same to a remote location. The cutter comprises a housing and a hollow suction tube projecting forwardly from the housing. A rearward suction is generated in the suction tube. The suction tube includes first and second slots opening forwardly at the front end of the suction tube, which slots are arranged to receive a traveling yarn. The first slot includes a first cutting edge. An outer tube is rotatably mounted on the suction tube. The front end of the outer tube includes a recess and a projection. The recess is large enough to expose the first and second slots. The projection includes a second cutting edge. When the outer tube is rotated, the first and second cutting edges are moved into a yarn cutting mode to sever a downstream portion of the yarn such that the upstream portion of the severed yarn is sucked into the suction tube. One of the cutting edges is inclined, to produce a scissoring action urging the yarn toward the suction tube.

Abstract: An improved hair cutting apparatus used in conjunction with a vacuum suction source comprising a hollow cylindrical main housing connected at its upper end to a vacuum hose, a scissor support extending outwardly from the main housing for securing a pair of scissors in a transversely oriented position, an annular guide extending from the main housing opposite from the scissor support for supporting the cutting tips of the scissors, and a disc having a slot therein mounted in the main housing with the slot being disposed beneath and parallel to the scissors; and whereby, upon placing the main housing against a head and activating the vacuum suction source, a portion of hair is drawn into the main housing and through the slot to be cut by the scissors.

Abstract: A hair cutting device includes a housing defining a passage having an inlet and outlet with a cutter and an impeller between said inlet and outlet. A hair directing apparatus is positioned between the cutter means and the impeller to direct the hair to the periphery of the cutter and the inlet is adjustable with respect to the inlet. The cutter includes two blades one of which is rotated with an output motor shaft and the other is reciprocated on the output shaft. The drive motor is reversible and a heating element can be attached to the outlet to convert the device to a blower-dryer.

Abstract: A vacuum-operated cutting tool and system includes a power tool that operates in response to a vacuum induced fluid-flow. The tool includes a housing having an impeller section with an outlet adapted for connection to a vacuum-inducing source and an inlet through which ambient air enters the tool. A rotatably mounted turbine-impeller is located within the impeller section of the housing and is adapted to rotate in response to the vacuum-induced fluid-flow. In the preferred embodiment, a motion converting mechanism is connected between the turbine-impeller and a drive spindle equipped with a circular saw blade. The motion converting mechanism converts the rotary output motion of the turbine-impeller to a rotary oscillating motion so that the saw blade is suited for use in cutting plaster casts. The air inlet of the housing is advantageously located in the cutting zone of the saw blade to entrain and remove debris generated during the cutting operation.

Abstract: A hair cutting appliance comprises a power-driven user-controlled scissors mounted in the cutting chamber of a housing. The scissors are driven in cutting strokes by solenoids. The housing also defines an exhaust chamber, and has a tubular handle adapting the exhaust chamber for connection to a source of suction via a flexible hose. Spacer means are mounted to the housing surrounding an inlet opening to the cutting chamber, and the spacer means may comprise several removably mounted spacer members of differing lengths for selecting a desired hair length. Hair is drawm into the cutting chamber in a path between the blades of the scissors, and the scissors is operated to cut the hair at the length determined by the spacer means. The housing is at least partially transparent so that the cutting of the hair can be seen by the user.

Abstract: A self-contained vacuum hair trimmer containing an electric motor for driving a fan within a handle, as well as hair trimmer means at one end of such handle. A bag is attached to the other end of such handle to collect the so-trimmed hair which is driven into the bag by such fan on account of the vacuum created in the handle behind the trimmer. An adjustable nozzle is mounted on the handle for gauging the length of the hair being trimmed.

Abstract: A hair cutting appliance includes a hair handling and vacuuming device having a hair passageway extending through the device from a forward intake portion to a rearward exhaust portion thereof. A barber's shear is positioned fixedly with respect to the device to have its cutting teeth disposed transversely of an intermediate portion of the hair passageway. A vacuum cleaner hose is attached to the rearward portion of the hair handling device. The hair handling device includes a first inclined hair ramp disposed between a forward edge of the forward portion of the device and the barber's shear cutting teeth, the interior end of this ramp terminating adjacent to but forwardly of the shear cutting teeth.

Abstract: A hair clipper utilizes a vacuum source to draw hair into a substantially enclosed flow chamber where the substantially parallel hairs are cut by a shearing blade which moves perpendicularly across the hair flow to cut the hair to precisely equal lengths which are necessary in certain hairdos.

Abstract: A suction type hair cutting device which is comprised of a casing, a suction passage housed by said casing and connected to a vacuum source, and an inlet at the end of said suction passage provided with a fixed blade and an arcuate oscillatory blade. The arcuate oscillatory blade is directly driven by a crank at the output shaft of a motor mounted on the casing, or is driven by a gear mechanism which is rotatable through a flexible wire or the like, whereby the arcuate oscillatory blade is slidably oscillated relative to the fixed blade. The suction inlet is provided with means for controlling or turning air flow rearwards of said both blades which are adjacently elastically arranged to each other, so as to cut hair positively. The cutting hair length may be easily adjusted with the provision of a suction tube which can be connected to said suction inlet, the suction tube being adjustable in its axial length.

Abstract: A surgical instrument comprising a housing with a motor and source of power contained in the housing. A removable sheath is placed over the housing and a cutter assembly is removably mounted to the housing so that the housing is protected from external materials and contamination. The cutter assembly has a body, a tube projecting from the body, a reciprocating blade positioned in the tube and a cam drive transfer mechanism mounted in the cutter body which transmits motion to the blade from the motor shaft. The tube defines an aperture in its side and the blade as it reciprocates in combination with the walls defining the aperture shears vitreous material entering the hole. A second passage is formed in the cutter body communicating with the tube to allow pressure differentials to be exerted to the tube.The cutter head and removable protective sheath are replaced after each successive operation in order to eliminate patient-to-patient cross contamination.

Abstract: A hair cutting and trimming apparatus includes an elongated hollow tube atop which is a hollow head member having a width which is considerably larger than its height. The hollow interiors of the tube and head are in flow communication so that suction applied to the bottom of the tube draws air into the open forward end of the head. Mounting means are provided on the outside of the tube for an electric clipper positioned so that its teeth extend into the head through a suitably provided slit opening in the under side of the head. The longitudinal axis of the tube and the length dimension of the head form an angle in the range of 90.degree. to 120.degree. to permit a user to hold the open forward end of the head adjacent a scalp without having to raise the user's elbow and arm to an uncomfortable position. A plurality of extenders of different length are adapted to fit under the forward end of the head member to permit selective adjustment of the length of hair cut by the clipper teeth.

Abstract: A wire cutter, particularly for cutting electrical connection wires, comprising a hollow shaft rotatably guided in a sleeve. Respective ends of the sleeve and the shaft have end faces with cutting edges which extend partially parallel to the rotation axis.

Abstract: A hair cutting device which comprises a casing opened at its one side for suction of the hair ends and communicated at its another place with a delivery passage connectable to a collection means and a cutting edge combined with a comb and arranged movably against an opened end of the casing is disclosed.

Abstract: A barbering implement for cutting hair off the head, the implement including a tube attached to a vacuum cleaner hose or other vacuum source, the tube having a ring integral with its side for receiving the fingers of a person's hand, and a lever pivotable at its center about a rivet secured to the outer side of the tube, other end of the lever having a thumb receiving opening, the other end of the lever carrying a replaceable safety razor blade for being moved across the end of the tube so to shear off hair as it is pulled by a vacuum into the tube, and an adjustable graduated rule being slidable forwardly adjacent to the tube opening for guiding a length of hair being retained upon the head.

Abstract: An apparatus for cutting hair employing vacuum suction which comprises an elongated hollow tapered body open at either end, the tapered body being provided with additional graduated opening means along its length so that by applying a source of vacuum suction to one end of the body while the other end is applied to the subject's hair and head, the hair will be drawn up through the tapered body and the hair will be cuttable through the aforesaid graduated opening means. A method of vacuum suction haircutting by means of this device.

Abstract: A hair cutting and trimming device having an electrically operated clipper enclosed in an elongated housing, distance between the cutting teeth of the clipper and the hair intake end of the device being selectively variable to permit cutting hair to varying lengths to suit modern styles of haircuts, air suction means being incorporated at the closed end of the housing to draw hair through the open end of the housing toward the cutting end of the clipper and to remove the clippings. Hair guide deflector means are incorporated to ensure that all hair that reaches the cutting end, will pass between the teeth of the cutter and be cut. Control means controlling movement of the clipper relative to the open end of the housing ar incorporated, providing countable increments of motion to permit accurate styling of haircut during the haircutting operation.

Abstract: A surgical instrument of scissors configuration having one or more suction and spraying openings disposed at the functional end thereof, the openings communicating with a fluid conduit which is carried by and movable with one or both of the instrument handles or manipulating means. Movable conduit extensions selectively locate the suction and spraying openings in areas adjacent the scissors functional ends.

Abstract: An apparatus for cutting casts of plaster or other similar materials in the field of immobilization orthopedics including a lightweight and easily grasped hand-piece connected by a hose to a remotely located blower for vacuuming and by a drive shaft to a remotely located driving source, and having a means for cutting casts enclosed in a blower housing for removing any dust created by the cutting, and including a blade sharpener and an auxiliary vacuuming opening for the removal of any localized dust or the like, the blower and drive means being remotely located in a portable unit or a wall unit.