Abstract: A hanger device comprises a plurality of cable supports, each comprising a parallel sidewall and a lateral shape retention sidewall where the parallel sidewalls and the lateral shape retention sidewall are separated by a wire engagement surface for holding one or more of the plurality of cables, where each of the lateral shape retention sidewalls includes a hook that comprises first and second hook sidewalls and a radiused surface that separates the first and second hook sidewalls, where each of the hooks opens in an exterior opposing direction; and a hanger surface that separates the parallel sidewalls, where the hanger device is hung on the hanger carrier by placing the hanger surface on the hanger carrier and the lateral shape retention sidewalls are pressed inwardly towards the parallel sidewalls and about the engagement surfaces so both hooks opposingly engage the cable.

Abstract: A fixed tilt solar panel racking assembly includes gimbled mounting plate mounted atop a stationary structural member that provides a plurality of degrees of freedom during mounting plate installation. In addition, the mounting plate is configured to transfer horizontal load from one solar panel to an adjacent solar panel supported on the same plate, such that the array of panels and plates acts as a horizontal diaphragm. Horizontal load may be transferred from one side of the solar array to another where a stiffer stationary support may be located.

Abstract: A bolt comprises a first shank segment axially comprising an externally threaded segment at a proximate axial end of the bolt. The bolt also includes a second shank segment, a flange extending perpendicularly a first distance from the first shank segment and axially located between a distal axial end of the first shank segment and a proximate axial end of the second shank segment, and a head axially adjacent to a distal axial end of the second shank segment, where the head is longer than the flange in a first direction perpendicular to the first shank segment but shorter than the flange in a second direction perpendicular to the first shank segment.

Abstract: An assembly for mounting a photovoltaic panel comprises a support that includes first and second parallel flange surfaces and mounting clamp bases each fastened to an associated one of the parallel flange surfaces. Each of the mounting clamp bases comprises a clamp base web including through holes longitudinally aligned along the web; domed uptakes radially extending from the clamp base web, where the domed uptakes separate the clamp base web from opposing longitudinally extending channels each formed from an associated channel base surface, an associated channel sidewall and channel top surface; opposing upright fingers extend from the channel top surfaces in a direction perpendicular to the clamp base web surface, where each of the upright fingers includes one or more serrated edges on each of its longitudinal sidewalls; and chamfered mounting clamp base protuberances that extend from the clamp base web.

Abstract: A mounting assembly comprises a reinforcement channel configured to nest around a first base of a first hat-shaped channel wherein the first hat-shaped channel is configured to nest around a second base of a second hat-shaped channel and the second hat-shaped channel is configured to nest around a load distributing channel. The mounting base, the reinforcement channel, the first hat-shaped channel, the second hat-shaped channel and the load distributing channel are configured to be removable with respect to a fastener along the fastener axis. The fastener is received through coaxial apertures located within the mounting base, the reinforcement channel, the first hat-shaped channel, the second hat-shaped channel and the load distributing channel. The channels are of a certain length that is sufficient to add stiffness to an object being supported by the mounting assembly.

Abstract: A cable hanger assembly comprises a unitary skeletal frame comprising (i) a base that comprises a first base surface and a second base surface that are separated by a channel that is open at a proximate channel end and closed at a distal channel end, (ii) a first sidewall extending from a distal end of the first base surface to the distal channel end, (iii) a second sidewall extending from a distal end of the second base surface to the distal channel end, and (iv) where at least one of the first and second base surfaces includes a slot open on its respective proximate slot end. A removable and replaceable strap or supplemental hanger assembly may be engaged with the slot and hangs from the slot.

Abstract: A single axis solar tracker includes two drive systems (motors) that both rotate a rotating shaft. The drive systems may be located about 16-25% from either longitudinal end of the rotating shaft.

Abstract: An actuator assembly for a solar tracking system. The actuator assembly includes a gearbox housing and a gearbox cover, a motor, and a lead screw. The gearbox housing and gearbox cover cooperate to define an internal chamber for receiving a gear assembly. The motor is mounted to the gearbox housing and is operatively connected to the gear assembly. The lead screw is operatively attached to the gear assembly and mounted inside an inner tube. A thrust bearing assembly is disposed between the gear assembly and the lead screw, with a portion of a thrust bearing nut being positioned within the thrust bearing assembly. A castle nut engages the thrust bearing nut, with the locking washer being frictionally engaged with the castle nut in an interlocking manner. An inner tube is mounted with in an outer tube for linear movement with respect to the outer tube.

Abstract: An actuator assembly for a solar tracking system is disclosed. The actuator assembly includes a gearbox housing and a gearbox cover, a motor, and a lead screw. The gearbox housing and gearbox cover cooperate to define an internal chamber for receiving a gear assembly. The motor is mounted to the gearbox housing and is operatively connected to the gear assembly. The lead screw is operatively attached to the gear assembly and mounted inside an inner tube. A thrust bearing assembly is disposed between the gear assembly and the lead screw, with a portion of a thrust bearing nut being positioned within the thrust bearing assembly. A castle nut engages the thrust bearing nut, with the locking washer being frictionally engaged with the castle nut in an interlocking manner. An inner tube is mounted with in an outer tube for linear movement with respect to the outer tube.

Abstract: A hanger device comprises a plurality of cable supports, each comprising a parallel sidewall and a lateral shape retention sidewall where the parallel sidewalls and the lateral shape retention sidewall are separated by a wire engagement surface for holding one or more of the plurality of cables, where each of the lateral shape retention sidewalls includes a hook that comprises first and second hook sidewalls and a radiused surface that separates the first and second hook sidewalls, where each of the hooks opens in an exterior opposing direction; and a hanger surface that separates the parallel sidewalls, where the hanger device is hung on the hanger carrier by placing the hanger surface on the hanger carrier and the lateral shape retention sidewalls are pressed inwardly towards the parallel sidewalls and about the engagement surfaces so both hooks opposingly engage the cable.

Abstract: A mounting assembly comprises a reinforcement channel configured to nest around a first base of a first hat-shaped channel wherein the first hat-shaped channel is configured to nest around a second base of a second hat-shaped channel and the second hat-shaped channel is configured to nest around a load distributing channel. The mounting base, the reinforcement channel, the first hat-shaped channel, the second hat-shaped channel and the load distributing channel are configured to be removable with respect to a fastener along the fastener axis. The fastener is received through coaxial apertures located within the mounting base, the reinforcement channel, the first hat-shaped channel, the second hat-shaped channel and the load distributing channel. The channels are of a certain length that is sufficient to add stiffness to an object being supported by the mounting assembly.

Abstract: A variable length shaft is installed between one of the posts in the single axis tracker and a yardarm extending from the row tube, perpendicular to it. Stops in the variable length shaft correspond to the shaft length when the single axis tracker is at its maximum rotation angle to the east and to the west. The shaft provides a structural support that bears some of the self-weight torque. In this way the tracker table will not exceed the design maximum tilt to the east or west and the tracking accuracy of the system will meet the desired level.

Abstract: A bolt comprises a first shank segment axially comprising an externally threaded segment at a proximate axial end of the bolt. The bolt also includes a second shank segment, a flange extending perpendicularly a first distance from the first shank segment and axially located between a distal axial end of the first shank segment and a proximate axial end of the second shank segment, and a head axially adjacent to a distal axial end of the second shank segment, where the head is longer than the flange in a first direction perpendicular to the first shank segment but shorter than the flange in a second direction perpendicular to the first shank segment.

Abstract: A single axis solar tracker includes two drive systems (motors) that both rotate a rotating shaft. The drive systems may be located about 16-25% from either longitudinal end of the rotating shaft.

Abstract: A solar panel assembly comprises a plurality of solar panel arrays, each substantially parallel, where the plurality of solar panel arrays comprises a windward array located at an upwind perimeter of the solar panel assembly, where each of the plurality of solar panel arrays comprises a plurality of racking structures. The rotatable shaft of the windward array comprises a thickness and a length that provides a torsional stiffness, which allows the rotatable shaft of the windward array to deflect 60-80 degrees from a horizontal plane, that is perpendicular to length of the stationary structural member, in response to an applied torque from wind speeds on the windward array in excess of 70 mph, thus positioning the solar panels mounted to the windward array to shield the plurality of solar panel arrays located downwind from the windward array from high wind loads.

Abstract: A bearing assembly comprises a bearing wheel with a rotational axis, the bearing wheel including and extending radially between an inner surface and an outer surface, wherein the inner surface at least partially forms a bore, the bore extends axially through the bearing wheel along the rotational axis, and the bore has a cross-sectional geometry configured to receive a rotatable shaft with a complementary cross-sectional geometry, and wherein the outer surface extends circumferentially around the rotational axis, and the outer surface has a circular cross-sectional geometry.

Abstract: A bearing assembly comprises a bearing wheel with a rotational axis, the bearing wheel including and extending radially between an inner surface and an outer surface, wherein the inner surface at least partially forms a bore, the bore extends axially through the bearing wheel along the rotational axis, and the bore has a cross-sectional geometry configured to receive a rotatable shaft with a complementary cross-sectional geometry, and wherein the outer surface extends circumferentially around the rotational axis, and the outer surface has a circular cross-sectional geometry.

Abstract: A mounting system for mounting a solar panel on a flat roof surface includes plurality of first rails each extend along a first axis, each of the first rails comprising a first web and first and second flanges extending from the first web, a first lip extending outwardly from a distal end of the first flange, and a second lip extending outwardly from a distal end of the second flange. A plurality of second rails each extend transverse to the first axis, each of the second rails comprising a second web and third and fourth flanges extending from the second web, a third lip extending outwardly from a distal end of the third flange, and a fourth lip extending outwardly from a distal end of the fourth flange.

Abstract: A plurality of mounting posts are each configured to be driven into ground. The mounting post includes opposing parallel sidewalls, a third sidewall extending between, and a fourth sidewall extending between the opposing sidewalls, and opposing and in parallel to the third sidewall. The fourth sidewall includes a longitudinal extending slot with coaxial mounting through holes in the first and second sidewalls at a distal end. A plurality of north-south beams are each mounted on the distal end of an associated one of the posts. Each of the north-south beams comprises a web and first and second flanges extending from the first web. The first and second flanges include first coaxial beam mounting through holes, and include second flanges and second coaxial beam mounting through holes.

Abstract: A structure, system and method for the in situ ballasting of solar panel ground support structures, the method, system and structures comprising the positioning of supporting posts or anchoring elements therefor within a peripherally enclosing frame constructed of removable interfitting plates, with the frame having an open top and preferably open bottom, on the ground at a final solar panel array supporting position. The supporting posts or anchoring elements therefor are vertically aligned and maintained in position relative to each other and a ballast material, such as concrete, is poured into the enclosing frame around the supporting posts or anchoring elements therefor in the final solar panel supporting position thereof with the ballast material being allowed to harden. A solar panel support structure is constructed with the solar panel support structure being ballasted, in final solar panel array position, in situ.