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A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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| Number | Title | Issue Date |
| 7077613 | Method and apparatus for fastening steel framing using helical features A pin with threads that extend along a portion of a stem of the pin interact with framing members as the pin is driven through the framing members. The interaction of the threads with the framing members cause the pin to rotate as the threads pass through the framin... | 07/18/2006 |
| 6808120 | Rail anchoring spike An improved fastener for attaching metal to wood is particularly suited for use as a railroad spike for attaching a metal rail to a wooden tie. The improved spike is adapted for installation by either driving or screwing the spike into the tie. A plurality of flutes... | 10/26/2004 |
| 6471140 | Rail anchoring spike An improved fastener for attaching metal to wood is provided. The fastener is particularly suited for use as a railroad spike for attaching a metal rail to a wooden tie. The improved spike is adapted for installation by either driving or screwing the spik... | 10/29/2002 |
| 6371709 | Screws and threadforms A screw thread having a threadform including a ridge rising from root to crest with the crest having two peaks, separated by a trough the depth of which is less than the height of the ridge from root to crest. It has particular use as a screw for timber, ... | 04/16/2002 |
| 4403734 | Expanding-sleeve rail fastening An expanding sleeve device for fastening a rail to a crosstie comprising a headed bolt threaded into a tapered nut. Positioned between the head and nut is a sleeve having radially expandable pronged portions and a deformable collar. The tapered nut causes... | 09/13/1983 |
| 4382547 | Railroad tie plate and correctable shim A railroad plate and connectable shim are disclosed for fastening railroad tracks over ground having a flat or raised topography in an economically feasible manner. The instant system provides a base plate with a sloping grooved channel for reception of t... | 05/10/1983 |
| 4260105 | Railroad tie plate and correctable shim A railroad plate and connectable shim is disclosed for fastening railroad tracks over ground having a flat or raised topography in an economically feasible manner. The instant system provides a base plate with a sloping grooved channel for reception of th... | 04/07/1981 |
| 4066212 | Spring rail clip with tightening limiting feature The device comprises a support such as a railway tie defining a projecting shoulder on each side of a support table for the rail. An insulating clip has a body cooperating with the shoulder and a nose portion bearing against the flange of the rail. An ela... | 01/03/1978 |
