Abstract: The inventor has designed a rotating brush, and slip ring system allowing a continuous electrical connection between a rotating wheel and stationary chassis. Used with an on dash instrument, an on tire rim pressure sensor, and wiring harness, will allow a driver to monitor the tire pressure in any of the tires whether at rest or at any speed. The on rim air pressure sensor would be mounted so as the diaphragm would be in contact with the air pressure in a tire. The slip rings are to be composed of a highly conductive material so that the electrical signal would be passed on through the harness to the electrical instrument on the dash. This system is limitless and could be used on any type machine that incorporates rotating pneumatic tires.

Abstract: An improvement in a boring bar assembly is disclosed. The improvement relates to a lateral bar assembly in combination with the adjustable boring bar assembly of U.S. Pat. No. 2,838,316 issued to Albert Thomas, a co-inventor of the present invention. The improvement includes a lateral bar to which a major portion of the shank member of the boring bar assembly is removably fixed. The lateral bar has a plurality of longitudinally spaced threaded receptacles into which an end of the shank may be screwed. The shank may be selectively screwed into the lateral bar to thereby change the diameter of the boring bar assembly. The lateral bar may be varied in overall length with the number of receptacles likewise varied to thus vary the magnitude of the ranges of diameters of operation of the boring bar assembly.