Abstract: A device that attaches to a rotary lawn mower to convert it into a weed, brush and small tree cutter. The rotating blade of the lawn mower is replaced with a drive sprocket that engages a continuous loop cutting element. The cutting element is retained in front of the mower by pulley guides. The pulley guides are retained by adjustable brackets attached to the mower. The cutting element is protected by guards that project in front of the mower.

Abstract: A quick change self-oiling sprocket hub having a first ring including an essentially hollow structure with a threaded circumference. The hollow structure of the first ring defines an oil input aperture for filling the hollow structure with oil and an oil discharge aperture for dispensing oil. A second ring is concentrically integrally bound to the first ring an has a greater diameter than the first ring such that the overlap of the second ring to the first ring represents a flange. At least one locating pin is secured to the flange for releasably holding at least one sprocket member to the flange. The quick change self-oiling sprocket hub additionally comprises a compression retaining ring with a plurality of ring apertures circumferentially disposed along its perimeter. The compression retaining ring threadably engages the threaded circumference of the first ring for retaining the sprocket member to the locating pin and for compressing the sprocket member against the flange.

Abstract: An automatic compressor-jack device which comprises an air compressor, a hydraulic jack and a transmission mechanism. The transmission mechanism, which is driven by a motor through a reduction gear, comprises an eccentrically disposed pin to connect to the piston rods of the cylinders of the compressor and the jack. Therefore, when the motor rotates, the transmission mechanism drives the air compressor and jack at the same time. That is, this one device allows the user two tire repair functions.

Abstract: A game device including a game board of a substantially annular configuration with a depositary or hopper at its center for containing play pieces and a plurality of recesses and holes in that portion of the game board surrounding the depositary, these recesses and holes being adapted to receive the play pieces of various colors, and further including a pair of electrically conductive metal rings surrounding said depositary, said metal rings being disposed in angular relation with respect to each other to define a circular trough-like structure in which a top is adapted to be spun, said rings being separated from each other by an insulating section, and connected into an electrical circuit and said top, when toppled from its spinning position to a position in contact with both metal rings being effective to complete the electrical circuit to signal the end of play of the game.

Abstract: A framework in the form of spaced-apart roll bars permanently interconnected, reinforced and adapted as a unit for convenient securement to the body of vehicles such as jeeps, sport cars, and the like, having convertible tops, full or half fabric tops. The framework is made of metal pipes all of uniform diameter assembled as a unit by welding or the like to provide a strong, durable, rigid, cagelike frame which together with its manner of securement to the vehicle is such that passengers or occupants of the vehicle will be protected against rollover or other impact forces from any direction. .Iadd.