Class 30/240 - Rotary blade

Subclass of Class 30 - Cutlery
Definition: Shears in which a rotary movement is imparted to the blade
No. of patents: 38
Last issue date: 04/08/2008

Number	Title	Issue Date
7353762	Cordless stitch removing device The present invention provides a cordless device for removing a single layer of stitches from a fabric. The cordless device comprising a body having a top end and a bottom end. At the top end of the body is a blade having a plurality of upper teeth and a plurality o...	04/08/2008
7316688	Cutting and forming device A cutting and forming device includes an outer sleeve, an inner sleeve, and a housing. The outer sleeve has a longitudinal axis, a front end, a rear end, and a borehole having an borehole axis. The inner sleeve, can be rotated in the outer sleeve's borehole and incl...	01/08/2008
7246443	Cutting device for making interior cuts Cutting device for making interior cuts includes first and second pivot members pivotally connected to one another at a pivot point and each including a handle portion with a finger-receiving aperture on one side of the pivot point and an arm portion on the other si...	07/24/2007
6880248	Motor driven implement An implement having a drive motor and a tool is provided. A drive shaft is mounted in a guide tube and interconnects the drive motor and tool for rotatingly driving the tool. The drive shaft includes a main member in the form of a hollow shaft having ends on which a...	04/19/2005
6869000	Apparatus for cutting bodies having a non-circular cross section Bodies with non-circular cross-sections are cut using a tool, by applying a torsional cutting process. ...	03/22/2005
6655031	Wick cutting device The present invention describes a wick cutting device, particulary designed to clip the wicks of candles to a specified length. The invention comprises two cylinders, one with a grip and one with a handle. The wick trimmer is assembled as a cylinder insid...	12/02/2003
6381853	Rotary cutting device having adjustable tension A tensioning means for a rotary handpiece is described in which the handpiece (2) is characterized in having a planar rotating blade (12) provided with a plurality of teeth and a plurality of cutting elements (22) capable of moving reciprocally in a linea...	05/07/2002
6240645	Sewing cutter A sewing cutter is provided which includes a handle, a cutting member attached to the handle, and a guiding member supported by the handle. The guiding member, which is arranged below the cutting member, may be an elongated plate whose front end is tapere...	06/05/2001
5899000	Hand held cutter A hand held cutter which is self guiding and includes a roller with a resilient workpiece contacting surface and is rotatably mounted adjacent each pair of cutting rolls on a cutting roll supporting body. When the cutting roll supporting body is pulled or...	05/04/1999
5540708	Polymeric rotatable shaver blade with interlocking cutting tip A rotatable shaver having inner and/or outer non-metallic elongated blades for use in endoscopic surgical procedures. In one embodiment a rotatable, elongated non-metallic inner tubular member is disclosed for use with a non-rotatable elongated metallic o...	07/30/1996
5289708	Cutting tool for a lock cylinder The lock cylinder with an external housing accommodates, on its rear face, a closure element acting upon a mortise lock or the like and with an exchangeably inserted core unit the casing of which contains housing pins as tumblers and a cylinder core equip...	03/01/1994
4999985	Mowing blade unit This invention relates to an improvement of a mowing blade unit in which a rotary blade and a fixed blade are overlapped to each other in coaxial relation to each other so as to cut the weeds under rotation of the rotary blade, wherein the circumferential...	03/19/1991
4972585	Rotary blade cutter A rotary blade cutter (10) including a semitubular rotary cutting blade (12) rotatably mounted within a tubular housing (14). The tubular housing 14 includes an entrance slit (22) and a diametrically opposed exit slit (24) for insertion of a web into the ...	11/27/1990
4890448	Mowing blade unit This invention relates to an improvement of a mowing blade unit in which a rotary blade and a fixed blade are overlapped to each other in coaxial relation to each other so as to cut the weeds under rotation of the rotary blade, wherein the circumferential...	01/02/1990
4867157	Surgical cutting instrument A surgical cutting instrument comprising an outer tube having a peripheral wall and a longitudinal axis. The outer tube has a plurality of openings arranged generally longitudinally along the outer tube. Each of the openings has first and second cutting e...	09/19/1989
4850354	Surgical cutting instrument A surgical cutting instrument comprising an outer tube having a peripheral wall, an end wall and an opening in the peripheral wall and the end wall. The outer tube has first and second cutting edges defining portions of the periphery of the opening, and t...	07/25/1989
4844064	Surgical cutting instrument with end and side openings A surgical cutting instrument comprising: an outer tube sized for insertion through an opening in a patient, the outer tube having a distal end wall, a peripheral wall and a longitudinal axis, the outer tube having a first and second opening, the first opening...	07/04/1989
4811734	Surgical cutting instrument A surgical cutting instrument comprising an outer tube having a peripheral wall and a longitudinal axis. The outer tube has a plurality of openings arranged generally longitudinally along the outer tube. Each of the openings has first and second cutting e...	03/14/1989
4679323	Rotary nibbler A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a body which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angle of the g...	07/14/1987
4649919	Surgical instrument 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 p...	03/17/1987
4593465	Rotary nibbler A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a bearing sleeve which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angl...	06/10/1986
4574480	Rotary shear cutter A manual rotary-shear cutter for severing sheet metal stock has a cutting head and a handle joined by an extension tube engageable with and selectively retained at sites formed on the cutting head and handle. A series of preformed apertures spaced along t...	03/11/1986
4573269	Hedge trimmer A powered trimmer is provided which cuts in the manner of a scissors rather than a saw. A plurality of cutting assemblies is arranged along the length of a generally horizontal support bar. Each cutting assembly includes a vertical shaft mounted with resp...	03/04/1986
4507865	Grass trimmer A grass trimmer has an elongated operation rod, a prime mover mounted on one end of the operation shaft, a transmission shaft extended through the operation rod, a gear box connected at its one end to the other end of the operation rod, and a cutting blad...	04/02/1985
4482098	Feed chopping knife An improved feed chopping knife for mounting on a rotating feed chopping cutter head and engaging a cutter bar. The knife having a groove cut therein and along the length of the front of the knife thereby reducing the surface area of a beveled cutting edg...	11/13/1984
4436091	Surgical cutting instrument with release mechanism A surgical instrument including a tubular member having a port into which material to be cut is introduced there being a cutter within said tubular member having a cutting edge which is moved by a motor relative to said port to sever the material trapped ...	03/13/1984
4433687	Microsurgical scissors A microsurgical scissors uses a rotary cutting action and biased blades that intersect in a travelling point of contact. One blade is situated on the end of a tubular shaft and a second blade is on a rod that is rotatable within the shaft. The blades are ...	02/28/1984
4381605	Shearing machine having rotatable cutter wheels A shearing machine for shearing sheet material, comprises a body (1) and to co-operating shearing wheels (5, 6) between whose shearing edges (41, 42) the sheet is cut. The stand (1) comprises a first part (2) and a second part (3), which are laterally off...	05/03/1983
4275500	Rotary shear An improved rotary power shear that includes an electric motor which drives, through a reduction gear assembly, a rotary shear assembly comprised of a driving shear wheel which rotates against a cooperating driven shear wheel. The design of the tool is ch...	06/30/1981
4249309	Rotating nibbler apparatus The nibbler apparatus comprises a quickly changeable rotating cutter having a modified sinusoidal groove of a predetermined width and depth. The rotating cutter is mounted in a die with the modified sinusoidal groove largely enclosed within the die. The m...	02/10/1981
4194286	Johnny bolt cutter The cutter comprises a cylindrical pipe closed at one end by a plate having a plurality of eccentrically spaced holes. The pipe is externally threaded into the internally threaded pipe with a closed end having an eccentrically located hole for mounting ov...	03/25/1980
4178747	Rotary edge cutter A herbage trimmer has a larger, toothed rotatable cutting blade provided with a circular array of bosses. A smaller, toothed rotatable cutting blade lies flat against the larger blade and is positioned within the tooth tip circle of the larger blade so th...	12/18/1979
4074603	Nibbling tool A nibbling tool for contour cutting and for forming holes in a plate or the like, comprising one movable and one stationary member, and a supporting element with a shaft. The shaft has a first longitudinal axis, and the supporting element is rotatable abo...	02/21/1978
4055890	Grass trimming device The trimming device has a blade driven by a shaft to have each end pass over cutting teeth at the edge of a circular cutting plate. The drive mechanism is a motor having an enclosed speed reducing unit for driving a shaft at a low speed when rotating the ...	11/01/1977
4051596	Wire cutter, particularly for cutting electrical connection wires 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...	10/04/1977
4043366	Clearing machine for brushwood Shearing means of a brushwood cutter has a rotor with a plurality of sickle-shaped cutters, and a plurality of stationary, triangular tooth-like edge protrusions of a plate on which the rotor rotates. The curve defined by the cutting edge of each of the s...	08/23/1977
4022283	Tool for removing plant growth from peripheral zones of sprinkler heads A portable power tool particularly suited for use in removing plant growth and debris from the peripheral zones of upstanding heads for subterranean sprinkler systems. The tool is characterized by a portable frame adapted to be positioned above an upstand...	05/10/1977
3945116	Rotary shear with improved cutting assembly A portable hand-held shear for cutting grass and the like comprising a housing enclosing an electric motor and forming a handle. The motor includes an output rotary shaft which, through a gear train, drives a rotary blade. A stationary bed knife assembly ...	03/23/1976

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Class 30/240 - Rotary blade