Encased skylight framework

Details

Inventors: Dickerson, Gary O.;
Assignee: Super Sky Products, Inc. (Mequon, WI)
Primary Examiner: Friedman; Carl D.
Assistant Examiner: Nguyen; Kien
Attorney, Agent or Firm:

Structural support members are surrounded with a cover that insulates the outer envelope of the support member. The cover may be made of an elastomeric material sufficiently flexible to permit the cover to be physically installed about the structural member. The structural member and cover may also be provided with interlocking means that will retain the cover on the support member once it is installed. Disclosed is a skylight framework formed of a plurality of spaced rafters joined by a plurality of crossbars wherein the rafters and crossbars each include an elongated central support member having a cover member that surrounds the outer envelope of the elongated support member except for a central fastener opening.

DETAILED DESCRIPTION It is a principal object of the invention to reduce the problem of temperature and condensation by surrounding structural support members with a cover that insulates the outer envelope of the support member.
The insulating cover may also have the property of cushioning the framework both against the structural frame to which it is attached and against the glass panel assemblies which it supports.
Preferably, the cover member is made of an elastomeric material that is sufficiently flexible to permit the cover member to be physically installed about the structural member.
The structural member and cover member are preferably provided with interlocking means that will hold the cover member on the support member once it is installed.
Such interlocking means may be formed into the support member and the cover member, both of which are preferably extruded.
All the extruded elements can be formed to the proper length at the site rather than being required to be fabricated in a factory.
In summary, the invention resides in a skylight framework formed of a plurality of spaced rafters joined by a plurality of crossbars wherein the rafters and crossbars each include an elongated central support member having a base, lateral sides and a top which define an outer envelope, the top including a central fastener opening, and wherein the rafters and crossbars each also have a cover member that surrounds the outer envelope of the support member except for the central fastener opening.
Further in accordance with the invention, a framework of spaced rafters and crossbars between the rafters is formed for mounting skylight panels on a structural frame.
The rafters and crossbars each include an elongated central support member having a base, a stem rising from the base, and a pair of lateral arms extending from opposite sides of the stem and spaced from the base.
Cover members extend around the outside of the support members.
The cover members have a bottom portion that overlays the base and spaced top portions that overlay the lateral arms

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