Abstract: Segmented wheels offer advantages in storage space of closely packed segments as compared to whole wheels. Individually damaged or worn segments may be replaced in the field with little or no need for jacks or cranes to support the rest of the vehicle, and entire wheels may be replaced or reconfigured from one tread type to another by swapping out segments not in contact with the ground and then driving the vehicle a distance which is a fraction of the circumference of its wheels to expose the remaining segments for retrofit. Segments may be freely supported by rigid or compliant spokes or may be bound together by straps or designed to interlock with adjacent segments. Embodiments of the invention may be made in any size range including applications for bicycles, agricultural machinery, cars, trucks and mining machinery and vehicles.

Abstract: The invention is a fastener for medical or dental use which requires minimal preparation of a site in bone. According to one embodiment the fastener includes a shank and a head having an aperture with a torque-receiving aperture such as a threaded hole or a polygon such as a hex-sided hole. The other end of the shank is a blunt or a sharp point. Another embodiment includes a radially spaced apart series of splines each having a linearly spaced apart series of barbs. An alternative embodiment includes on the shank a radially spaced apart series of linear arrays of barbs emerging from the shank itself. The linear spacings may be staggered from one radial line to the next so that as a whole the barbs are arranged into one or more continuous helicies.

Abstract: A gun barrel or sleeve for a gun barrel is provided. The invention includes staggered helical arrays of elliptical or oval blind cavities along the length of the gun barrel or sleeve. As a sleeve, the invention may be press-fit or force-fitted over a regular barrel or a barrel of reduced wall thickness. The cavities have radially extending orifices by which an angular width of an interior portion of a cavity is greater than an angular width of the orifice of that cavity, and a longitudinal dimension of the interior portion of that cavity is greater than a longitudinal dimension of the orifice of that cavity. The product may be produced by additive manufacturing, autofrettage, casting, forging or traditional CNC machining.

Abstract: Segmented wheels offer advantages in storage space of closely packed segments as compared to whole wheels. Individually damaged or worn segments may be replaced in the field with little or no need for jacks or cranes to support the rest of the vehicle, and entire wheels may be replaced or reconfigured from one tread type to another by swapping out segments not in contact with the ground and then driving the vehicle a distance which is a fraction of the circumference of its wheels to expose the remaining segments for retrofit. Segments may be freely supported by rigid or compliant spokes or may be bound together by straps or designed to interlock with adjacent segments. Embodiments of the invention may be made in any size range including applications for bicycles, agricultural machinery, cars, trucks and mining machinery and vehicles.

Abstract: The invention is a fastener for medical or dental use which requires minimal preparation of a site in bone. According to one embodiment the fastener includes a shank and a head having an aperture with a torque-receiving aperture such as a threaded hole or a polygon such as a hex-sided hole. The other end of the shank is a blunt or a sharp point. Another embodiment includes a radially spaced apart series of strakes each having a linearly spaced apart series of barbs. An alternative embodiment includes on the shank a radially spaced apart series of linear arrays of barbs emerging from the shank itself. The linear spacings may be staggered from one radial line to the next so that as a whole the barbs are arranged into one or more continuous helicies.

Abstract: A night vision monocular housing for containing an assembly of night vision components within, for releasably attaching the assembled night vision device to a universal rail having a plurality of ribs provided on the rail, including at least one raised portion provided on the surface of the housing, a clamping apparatus provided on a surface of the raised portion having first and second parallel protuberant walls defining a channel for snugly seating the universal rail within, the walls each having an inner surface and an outer surface thereof, wherein the inner surface of at least one wall is generally concave providing a mating surface for seating against an adjacent lateral side of the universal rail, and a biasing means for releasably attaching the clamping apparatus to the universal rail.