Abstract: A device for removing paper from a damaged paper roll. The device comprising a rotatable platform to support and rotate the paper roll about a central axis. Additionally, the device comprises a circular saw blade attached to a movable arm attached to a track adjacent to the paper roll. The arm is advanceable toward to the central axis of the paper roll such that as the roll is rotated, the saw blade will cut into the roll to thereby remove paper therefrom. The operation of the device can be automated by a controller and sensors such that a single operator can use the device.

Abstract: A printer is provided with a cutter for cutting recording paper in arbitrary lengths or cutting recording paper with a part left after cutting. A pair of movable blades, at least one of which is displaced in a direction approximately orthogonal to the paper path, are driven in a cooperative relationship to effect a cutting operation with a fixed blade. The dispersion of force required for tearing off the cut recording paper is reduced, a torn trace of a left part after cutting the recording paper looks nice, and the position of a left part after cutting the recording paper can be arbitrarily set respectively without increasing the size in the direction of the recording paper width.

Abstract: A miter cutting guide apparatus is provided to aid in the making of miter cuts used on wood millwork as trim around floors, walls, doors, cabinets and the like and which can also be used on ceramics such as for tile cutting. Two miter arms are pivotally attached by a pivot locking means such as a screw. Each miter arm has a complementary base resting underneath and being guidably received by each miter arm, thereby allowing each miter arm to reciprocate along its complementary base.

Abstract: The present invention is directed to a method of cutting glass mother material involving preparing the plate glass mother material in which a plurality of grooves are scribed, disposing the plate glass mother material with the grooves turned inward; and pressing an outer surface of the plate glass mother material with a cushioning member having a thickness not to be protruded downward from a lowermost portion of an indenter, with the cushioning member being attached onto an under surface of an indenter base excluding the indenter, pressing a portion opposite to the groove on the outer surface with the indenter having a stretched shape, and cutting the plate glass mother material.

Abstract: An apparatus for cutting a coin roll wrapper includes a housing, a front cover, a blade spring assembly and a safety spring. The housing includes a top opening and a bottom opening, both of which are sized to receive a roll of coins therethrough. A preferred blade spring assembly includes a cutting blade and a leaf spring which mechanically couples the cutting blade to the front cover. An end portion of the leaf spring is positioned between the cutting blade and the bottom opening. A preferred safety spring comprises a second leaf spring which is secured to the front cover between the top opening and the spring blade assembly. In a preferred embodiment, the safety spring and the blade spring are configured to allow a roll of coins to pass through the housing entering from the top opening and exiting from the bottom opening, but not vice versa. In a preferred embodiment, the safety spring and the blade spring are also configured to center the roll of coins relative to the cutting blade.

Abstract: A kerf indicator for use with a power saw provides a source of light directed towards a blade of the saw. The light passes through a plurality of slots in an opaque barrier member. The barrier member planarizes the light such that a shadow of the saw blade is cast on a workpiece accurately indicating the location and width of a kerf, or cutting path, to be produced by the saw blade on the workpiece.

Abstract: The cutting cylinder of a rotary cutting machine has at least one radial needle for retaining waste projecting radially from its surface. A waste ejector has a rectilinear part parallel to the generatrix of the said cylinder and traversed by at least one slot coinciding with the trajectory of said radial needle for the passage thereof. A support has a first part secured to the frame of the rotary cutting machine, a second part secured to said ejector and connected to the first part by a guide defining a transverse trajectory relative to the edge of said ejector and intersecting said cylinder. An adjustment device moves the said second part along the transverse trajectory and an elastic connection exerts a prestressing of the second part on the adjustment device.

Abstract: A sharpener, in particular for soft-core pencils, includes a sharpener housing which carries a sharpener blade positioned tangentially in relation to a sharpener channel. The housing also has a free space that is open on a lower side of the housing. A core shaper can be introduced, preferably pivoted, from the lower side of the housing into the free space through a carrier plate which carries the core shaper and can be secured on the sharpener housing.

Abstract: A punch and die tool for cutting a slug from a sheet of material that is retained in the opening of the die and does not adhere to or follow the punch on its upward stroke, and a method for retaining a slug in a die, are disclosed. The die is formed with one or more irregularities or grooves on the edge of the die face so that the slug cut by the operation of the punch and die will have a burr on its edge. The burr causes the slug to lodge in the inside surface of the die and prevents the slug from following the punch on its upward stroke.

Abstract: The present invention eases possible rubbing between an upper cutting edge and a work cutting surface of a work cutting apparatus during the elevation of the upper cutting edge to prevent the upper cutting edge from being worn in order to increase its lifetime. In a device for cutting a work by elevating and lowering a movable upper cutting edge 12 relative to a fixed lower cutting edge 13, an upper-cutting-edge, tight-contact avoidance device 10 is provided for widening the clearance between the upper cutting edge 12 and a work cutting surface. The device 10 is comprised of a clearance adjustment mechanism 22 for adjusting the clearance between the upper cutting edge 12 and the lower cutting edge 13, and control device 35 for regulating operation of the clearance adjustment mechanism 22.

Abstract: A tape dispenser comprises a generally palm-sized housing formed of a single piece of material. The housing completely encloses a roll of tape mounted within the housing for rotation relative to the housing. The housing comprises a body enclosing the roll of tape, an opening in the body for dispensing the tape, and a thumb-engageable cover integrally formed with the body. The thumb-engageable cover is pivotable relative to the body to open and close the opening. The cover includes a cutter (e.g., cutting teeth) for cutting pieces of tape from the roll of tape as the cover is moved to its closed position. Alternatively, cutting teeth may be arranged along both the cover and the body of the housing so that a piece of tape may be cut from the roll be pulling the end of the tape against either row of cutting teeth. Methods of making and using the tape dispenser are also disclosed.

Abstract: An apparatus for positioning lumber pieces for end trimming, by means of a succession of gates mounted on traveling chains set at a converging angle with the even end line of uniformly spaced lumber pieces carried transversely on parallel chains towards a multiple saw trimmer. The positioning is accomplished by any one gate pushing against the end of a lumber piece and then retracting when the lumber piece has reached the appropriate position for cutting by stationary trimming saws. The positioning process and the saw selection for each cut are scanner/computer controlled.

Abstract: A formed element trimming apparatus includes a base member, a nesting member connected to a ram cylinder mounted on one end of the base member, a clamping member connected to a clamping cylinder mounted to a second end of the base member, and a cutting plate attached to the base member between the nesting member and the clamping member. The cutting plate has a cutting aperture to engage any undesired attachments on the periphery of the formed element. The formed element is securely placed in the nesting member, which is designed to integrally receive the formed element. The clamping member, propelled by the clamping cylinder, traverses the cutting aperture to engage the nesting member and secure the position of the formed element between the nesting member and the clamping member.

Abstract: Mechanism for connecting a shaving cartridge to a razor handle with shell bearings to allow the cartridge to swivel about an axis parallel to the edge of the cartridge blades and each shell bearing supported on a four bar linkage to permit the cartridge to rock end-to-end about an axis parallel to the direction of shaving.

Abstract: A method of cutting a resilient workpiece having sides in opposition to one another to form at least one cut in the workpiece includes the steps of stretching the workpiece, maintaining the workpiece in stretched condition by applying clamping forces to the sides of the workpiece after the workpiece has been stretched, cutting the workpiece while it is clamped and stretched to form a cut in and extending through the workpiece, and unclamping the workpiece after the cut has been formed to allow the workpiece to return to unstretched condition and the cut to close.

Abstract: A three hole punch system is for use in an image capturing device. The three hole punch system uses elastomeric rollers that punch holes in the edge of a sheet as it passes between two rollers. If desired, the rollers can act as a transport for the sheet without punching holes in the sheet. After the holes are punched, the resultant slugs are pushed back into the holes and the sheet is retrieved by the operator.

Abstract: An earth boring bit is shown having a bit body and at least one cutter rotatably secured to the bit body. The cutter has a plurality of teeth formed integrally thereon and arranged in circumferential rows. Each of the teeth includes an outer end, an inner end, a pair of flanks and a crest which transversely connects the ends and flanks. During the manufacturing process, a temporary protective coating is applied at a region of the tooth root which comprises a sharp corner at the intersection of the flanks and ends in order to prevent a carburized case from forming in that region during subsequent carburization of the cutter. The cutter is then carburized, heat treated and mounted on a bit body.

Abstract: The apparatus for punching a sheet S includes a shaft 2 extending transversely relative to the moving direction of the sheet S; a pair of cams 3, 3 mounted to the shaft 2 in both longitudinal end portions for rotating together with the shaft 2; a tie bar 4 extending along the shaft 2 and having a pair of cam followers 41, 41 at positions corresponding to those of the cams 3, 3; a plurality of punches 5, 5 connected to the tie bar 4 in longitudinal arrangement for being movable to and from punching positions; a frame 7 extending along the tie bar 4, to which a plurality of punch guides 6, 6 are fixed in alignment with the punches 5, 5; and a die frame 8 having a plurality of die holes 81, 81 in alignment with the punches 5, 5 for cooperating with the punches 5, 5 to make holes in the sheet S.

Abstract: A transportable circular table saw having an exterior housing (1) with a tabletop (4) forming a workpiece support surface (3) that is irreversibly arranged in the exterior housing (1), and a saw unit (7) arranged underneath the tabletop (4) with a drive motor and a circular saw blade (10) protruding into the tabletop (4) from below through a saw slot (9), with the exterior housing (1) in plan view being approximately square in shape. The sawing unit (7) is slidable relative to the tabletop (4) in a pulling direction, as a result of which the circular saw blade (10) moves in the saw slot (9) in the pulling direction, and in relation to an axis of a mitre cut in the pulling direction, preferably being able to be inclined to at least one side. The tabletop (4) forms the workpiece support surface (3) and the saw slot (9), is rotatably held in the exterior housing (1) on an axis perpendicular to the workpiece support surface (3), in particular in a surrounding top (14) of the exterior housing (1).

Abstract: Upper and lower rotating drums (13, 14) having shearing blades (13a, 14a) are supported by a bearing frame (12) via eccentric sleeves (15, 16). Only the upper rotating drum (13) is rotated by a drive motor 17, while the eccentric sleeves (15, 16) are rotated by a drive motor 25, so that the rotating drums (13, 14) can be made to approach and separate from each other. Interlocking gears (29, 30) are fixed to shaft end portions of the rotating drums (13, 14) to permit interlocking of the rotating drums (13, 14) when these drums approach. Oldham's couplings (41, 42) are interposed between the interlocking gears (29, 30) and timing gears (33, 34) to rotate the rotating drums (13, 14) constantly and synchronously.