Abstract: Device for sharpening of scissors, consisting of a disk-shaped body (1) provided with two lengthy openings (2,3) for the scissor blades (8). The openings are on one long side and on one short side limited by sharpening means (4,5) consisting of round pins. The openings (2,3) are positioned so in relation to each other that the active faces of the sharpening means (4) on the long sides, which act upon the inside of the cutting edges, are in line with each other.

Abstract: A slag removing machine includes a conveyor movable generally vertically on a parallelogram linkage. The conveyor carries steel slabs below a fixed vertical sanding belt surfacing unit. The conveyor is supported on air bags.

Abstract: This small hand operated yard tool is designed and invented specifically for the individual home owner to cut off dandelion flowers from their lawns. The tool consists of a four by six and one-half inch blade with a double edged row of triangular shaped cutting prongs, attached to a short 32 inch inverted T shaped handle, that when held in an adult's hand by their side reaches down toward the ground to just above ground level. When said blade is swung forward and backward underneath the dandelion flowers it cuts and snaps them off, thus removing said blemish from the lawn and diminishing future outcrops of the weed.

Abstract: An opener apparatus for beverage cans having an opener tab provided on the top wall includes an elongated tool having a hook portion at the forward end and a handle portion at the rearward end. The hook portion extends forwardly from the handle portion a and then downwardly and rearwardly to define a channel adapted to receive the opener tab for lifting the tab and opening the can in response to lifting movement of the tool when a force is applied to the handle portion. A leg member may be extended downwardly from the tool and positioned for simultaneously depressing the scored section of the can top wall into the can and providing a fulcrum for lifting movement of the hook portion in response to downward movement of the handle portion.

Abstract: A hub is disclosed for mounting the spindle of a rotary tool, particularly a grinding or polishing wheel for ophthalmic lenses. The hub comprises a cylindrical bore and a plurality of radial centering arms arranged around the bore with their free ends lying in a common circle concentric with the axis of the bore. The centering arms each have a hinge or pivot which may be formed by a portion of reduced section at their bases. The pivot or hinge axes of the centering arms are tangent to another common circle concentric with the bore. Each of the centering arms is of elastically deformable construction fixed, or formed in one piece, with the rest of the hub. The hub is divided by a radial groove into a rigid, one-piece part and a deformable flange formed by the centering arms. A tightening ring with a preferably planar thrust or engagement face is adapted to apply an axial force against the centering arms so that they come into retaining engagement with the spindle.

Abstract: A grapefruit cutting knife which is composed of a handle and a bifurcated working end with terminal ends which are serrated and which overlay one another for a scissor-type action in cutting the membranes between sections of grapefruit and there is provided an upstanding pair of knife-like members for slicing the grapefruit section from the membrane.

Abstract: A nut, bolt, and screw holder arrangeable on a finger of a user of the holder has a support arrangement disposed for engaging with a finger of the user along a longitudinal extent of the finger. A holding assembly is mounted on the support arrangement for selectively engaging an item, or items, to be held and retaining the item on the support arrangement. The support arrangement includes a longitudinal extending member, and a finger engaging structure provided on the member for cooperatively engaging with an associated finger and removably retaining the member on the finger. The longitudinally extending member includes a first end and a second end spaced from the first end, with the holding arrangement being disposed on the member at the first end of the member. The finger engaging structure includes a ring pivotally mounted on the member adjacent the second end of the member, with the ring being arranged for receiving a finger on which the holder is to be mounted.

Abstract: An apparatus for universally supporting and positioning a rotating grinder wheel comprising a support base carrying a cage which rotates about a horizontal axis, and with a horizontally reciprocating frame mounted within the cage for rotation with the cage and reciprocating forwardly and rearwardly relative to the cage. A lever has one end universally pivotally connected to the frame, with the opposite end of the lever extending forwardly of the frame and carrying the rotating grinding wheel. A powered vertical guide means connected to the frame raises and lowers a separately powered horizontally movable guide means, which in turn is connected to the lever free end. Thus, the wheel is universally adjusted by rotating the cage, moving the frame forwardly or rearwardly within the cage, and swinging the free end of the lever arm upwardly and sideways.

Abstract: A multi-tension hacksaw including a longitudinallly extending frame member having a first blade support member on one end and a bracket on the other end extending laterally therefrom a second blade support member pivotally mounted on the bracket, a tensioning rod having a threaded first end adjacent to the first blade support member and a second end pivotally connected to the second blade support member, an elongated crank handle threadedly and rotatably engaging the threaded first end of the tensioning rod so that rotation of the crank handle applies tension to the tensioning rod, and a tension indicator including a pointer mounted on the bracket and a tension indicia on the second blade support member cooperating with the pointer.

Abstract: An attachment for a utility knife is disclosed which allows the knife to be used in association with a measuring tape for cutting sheets of plasterboard and the like into uniform widths. In one embodiment, the attachment is in the form of a relatively thin metal plate which is fitted into the handle of the knife alongside the blade and which has a projecting flange at its outer end formed with a slot for receiving a measuring tape.

Abstract: A mount is provided and includes structure for supporting a saw chain with a tooth thereof in predetermined position relative to the mount. A support is also provided and a rotary grinding wheel is journaled from the support. Parallelogram linkage structure operatively connects the support end of the mount for relative swinging thereof to bring the periphery of the grinding wheel, and said tooth, into engagement with each other along a path of relative movement extending substantially radially of the wheel and with the axis of rotation of the wheel spaced to one side of a plane in which the tooth is disposed.

Abstract: A tool for opening cans in the form of a sleeve sized to receive a lever fixed to a can and operable to bend a weakened portion of a can top into the can in a hinged swinging action, the tool having a mouth and longitudinally extending slit at one end sized to receive the lever and being adapted for use in applying additional downward pressure supplementing that of the lever of the can to open a can.

Abstract: An improved flap sanding, surface finishing device is described having a manually operable member positioned outside a housing of the device for unwinding an abrasive strip stored in the housing in order to replenish worn strip segments. The device includes means for selectively inhibiting and enabling unwinding.

Abstract: A hub assembly 30 for releasably mounting a circular grinding wheel 18 on a rotatable shaft 14 is disclosed. The assembly 30 includes a hub 36 having a radially extending face 42 to engage one major side surface of the grinding wheel. A central axially extending surface 122 on the hub engages a central passage 120 through the grinding wheel 18 to center the grinding wheel relative to the hub. An annular flange or clamp member 40 has an opposing radially extending face 44 which clamps the grinding wheel against the hub. The flange is centered relative to the hub by an axially extending surface 132 which engages the central passage through the grinding wheel. The flange includes a plurality of slots 70-84 through which the screws 50-64 extend. The heads of the screws may pass through wide portion 90 of the slots, but they cannot pass through narrow portions 96. The flange may be rotated between a disengaged position and an engaged position.

Abstract: A pair of bait receptacles are provided on either side of a passageway designed to entice the rat to be trapped past a first one-way gate. The passageway leads the rat upwardly through a passageway and a second gate or flipper in middle of climb. At the top, he slides downwardly to a holding tank provided at the rear of the rat trap and readily removable therefrom for disposing of rats trapped therein.

Abstract: This invention relates to a device at a casting weight intended for e.g. a casting rod for casting of preferably light lures, such as fly casts or other lures suspended on a line by means of suspension snells or the like, for storage of said lures in the casting weight when fishing is not carried out.

Abstract: A pizza cutter wherein the plunger is mounted for vertical reciprocation within a guard sleeve by an open spider fixed to the sleeve to expose a cutter mounted on the plunger below the spider for cleaning and visual observation during use. The cutter includes a plurality of radially extending blades detachably mounted on the plunger in an arrangement such that the sleeve, except when removed from the plunger, prevents detachment of the blades.

Abstract: Safety scissors wherein the scissor members are composed of a metal member partially embedded in plastic in such a way that a part of the exposed metal serves as a cutting edge and the remaining exposed portion of the metal member bears the sliding friction when the two scissor members are moved relative to each other.

Abstract: A rotating frame animal trap has a specific form of frame design for insuring that the maximum clamping force between the jaws is developed at a jaw opening which corresponds to the dimension of a target animal. This frame design also produces generally increased clamping forces compared with known traps over a range of jaw openings smaller than the target opening.

Abstract: A one-piece collet for use in machine tools, which collet comprises a rear portion which is cold worked to provide a bore of smaller diameter than the bore of the central portion of the collet, which reduced bore is threaded. The cold working of the rear portion produces a transitional area between the different sized bores of the rear and central portions which is characterized by a smooth, uniform grain flow, with unbroken flow lines, resulting in increased tensile strength and longer fatigue life of the collet. The front portion of the collet may also be cold worked to provide a similar transitional area between the central portion of the collet and the reduced bore of the front portion of the collet.