Solar panel rooftop mounting and grounding device

• US 9,097,443 B2
• Filed: 10/21/2014
• Issued: 08/04/2015
• Est. Priority Date: 10/15/2013
• Status: Active Grant

• Current Assignee: Sunmodo Corporation
• Original Assignee: Sunmodo Corporation
• Inventors: Liu, Jun, Schrock, Clifford
• Primary Examiner(s): Glessner, Brian
• Assistant Examiner(s): FORD, GISELE D
• Application Number:
  US14/520,113
• Publication Number:
  US 20150101997A1
• Time in Patent Office: 287 Days
• Field of Search: 527/10, 527/11
• US Class Current: 1/1
• CPC Class Codes: F24S 2025/6006 by using threaded elements, e.g. stud bolts
• CPC Class Codes: F24S 2025/801 having hollow parts with closed cross-section
• CPC Class Codes: F24S 2025/807 having undercut grooves
• CPC Class Codes: F24S 25/33 forming substantially planar assemblies, e.g. of coplanar or stacked profiles
• CPC Class Codes: F24S 25/40 using plate-like mounting elements, e.g. profiled or corrugated plates; Plate-like module frames extending in directions away from a supporting surface F24S25/10
• CPC Class Codes: F24S 25/61 for fixing to the ground or to building structures
• CPC Class Codes: F24S 25/636 clamping by screw-threaded elements
• CPC Class Codes: H02S 20/23 specially adapted for roof structures
• CPC Class Codes: Y02B 10/10 Photovoltaic [PV]
• CPC Class Codes: Y02B 10/20 Solar thermal
• CPC Class Codes: Y02E 10/47 Mountings or tracking
• CPC Class Codes: Y02E 10/50 Photovoltaic [PV] energy

Abstract

Disclosed is a device for securing, mounting, aligning, and grounding solar panels to a roof mounted rail. The device in combination with a t-bolt, a nut, and a solar panel end-clamp or mid-clamp, secure, mount, align, and ground the solar panels to the roof mounted rail. The device can be inserted into the top of the rail anywhere along its length. After the device and t-bolt are inserted in the rail, the t-bolt rotated so it inserts into a slot at the bottom of the rail thereby securing the device to the rail, assuring the proper orientation of the t-bolt, and preventing further rotation of the t-bolt.

Claims

1. An apparatus for mounting solar panels to rails, including:

a t-bolt including a t-bolt body, and a t-bolt head, and the t-bolt head includes a t-bolt head planar bottom surface with the t-bolt body projecting perpendicularly therefrom;

a mounting device including a planar top surface, a planar bottom surface, a first portion with first portion parallel sides projecting vertically upward out of the planar top surface, a second portion with second portion parallel sides projecting vertically downward out of the planar bottom surface and aligned over and along the first portion parallel sides, an aperture passing through the first portion and the second portion, and a slot in the second portion cutting transversely across and through the second portion parallel sides and aligned over the aperture;

the t-bolt, and the mounting device configurable into a first position where the t-bolt body passes through the aperture, the t-bolt head planar bottom surface engages flushly against the slot, and the t-bolt is rotationally captive within the slot;

the planar top surface is divided by the first portion into a first top surface portion and a second top surface portion;

a first grounding pin and a second grounding pin;

the first grounding pin projecting through the first top surface portion and the planar bottom surface; and

the second grounding pin projecting through the second top surface portion and the planar bottom surface.

2. An apparatus for mounting solar panels to rails, including:

a t-bolt including a t-bolt body, and a t-bolt head, and the t-bolt head includes a t-bolt head planar bottom surface with the t-bolt body projecting perpendicularly therefrom;

a mounting device including a planar top surface, a planar bottom surface, a first portion with first portion parallel sides projecting vertically upward out of the planar top surface, a second portion with second portion parallel sides projecting vertically downward out of the planar bottom surface and aligned over and along the first portion parallel sides, an aperture passing through the first portion and the second portion, and a slot in the second portion cutting transversely across and through the second portion parallel sides and aligned over the aperture;

the t-bolt, and the mounting device configurable into a first position where the t-bolt body passes through the aperture, the t-bolt head planar bottom surface engages flushly against the slot, and the t-bolt is rotationally captive within the slot;

a hollow bolt including a bolt head, a hollow bolt body with a hollow interior sized and threaded to receive the t-bolt body; and

a solar panel clamp including a clamp aperture sized to receive the hollow bolt body and seat the bolt head on the solar panel clamp.

3. An apparatus for mounting solar panels, including:

a t-bolt including a t-bolt body, and a t-bolt head, the t-bolt head including a t-bolt head planar bottom surface with the t-bolt body projecting perpendicularly therefrom;

a rail including a rail top surface, a rail slot running longitudinally along the rail top surface, and a rail slot cavity below the rail slot and integral to and wider than the rail slot;

a mounting device including a planar top surface, a planar bottom surface, a first portion with first portion parallel sides projecting vertically upward out of the planar top surface, a second portion with second portion parallel sides projecting vertically downward out of the planar bottom surface and aligned under and along the first portion parallel sides, a second portion slot oriented transversely across and through the second portion parallel sides, and an aperture through the second portion slot and the first portion, and the aperture sized to receive the t-bolt body; and

the t-bolt, the mounting device, and the rail configurable into a first position where;

the t-bolt is received by the aperture and vertically and rotational captive within the second portion slot, the t-bolt head planar bottom surface engages flush against the rail slot cavity, the second portion fully within the rail slot and the rail slot cavity, and the planar bottom surface of the mounting device engages flush against the rail.

4. The apparatus of claim 3, further including:

the planar top surface is divided by the first portion into a first top surface portion and a second top surface portion;

a first grounding pin and a second grounding pin;

the first grounding pin projecting through the first top surface portion and the planar bottom surface; and

the second grounding pin projecting through the second top surface portion and the planar bottom surface.

5. The apparatus of claim 3, further including:

a hollow bolt including a bolt head, a hollow bolt body with a hollow interior sized and threaded to receive the t-bolt body; and

a solar panel clamp including a clamp aperture sized to receive the hollow bolt body and seat the bolt head on the solar panel clamp.

6. The apparatus of claim 3 further including:

a solar panel including a frame bottom surface and a frame vertical edge oriented along a length of the rail; and

the frame bottom surface engages flushly against the rail and the planar top surface, and the frame vertical edge engages flushly against a side of the first portion parallel sides.

7. The apparatus of claim 6, further including:

a hollow bolt including a bolt head, a hollow bolt body with a hollow interior sized and threaded to receive the t-bolt body; and

a solar panel clamp including a clamp aperture sized to receive the hollow bolt body and seat the bolt head on the solar panel clamp.

8. The apparatus of claim 6, further including:

a grounding pin projecting through the planar top surface and the planar bottom surface; and

the grounding pin electrically and mechanically contacting the frame bottom surface and the rail slot cavity.

9. An apparatus for mounting solar panels to rails including:

a t-bolt including a t-bolt body, and a t-bolt head, the t-bolt head including a t-bolt head planar bottom surface with the t-bolt body projecting perpendicularly therefrom;

a rail including a rail top surface, a rail slot running longitudinally along the rail top surface, and a rail slot cavity below the rail slot and integral to and wider than the rail slot;

a solar panel including a solar panel frame;

a mounting device including a base portion fully within the rail slot and the rail slot cavity, a rigid alignment portion rigid joined to and projecting vertically upward from the base portion and resting on the rail top surface, a base portion slot in a base portion bottom surface and oriented transversely to a rail slot length, and an aperture positioned through the rigid alignment portion and the base portion slot; and

the t-bolt, the mounting device, the solar panel, and the rail configurable into a first position where;

the t-bolt is received by the aperture and vertically and rotational captive within the base portion slot, the t-bolt head planar bottom surface engages flush against the rail slot cavity, the bottom of the solar panel frame engages flushly against the rail and over the base portion, and an edge of the solar panel oriented transverse to a rail length engages flushly against the rigid alignment portion.

10. The apparatus of claim 9, further including:

a base portion top surface;

a grounding pin projecting through both the base portion top surface and the base portion bottom surface; and

the grounding pin mechanically and electrically engaging the rail slot cavity and the solar panel frame.