Plastic gutter expansion joint construction

Claim 2

A plastic gutter expansion joint construction comprising a pair of mutually supported telescopic first and second overlapping rigid plastic gutter sections having adjacent overlapping ends said gutter sections having substantially identical crosssectional dimensions including a vertical rear wall, a bottom wall and a front wall having on its upper edge a flange extending generally horizontally toward said rear wall said bottom and front walls of said second section lying outside of the bottom and front walls of said first section to support said first section by said second section against movement in a downward direction said flange of said second section overlying the front wall of said first section to support said second section by said first section against movement in a downward direction to provide said mutual support and a flexible plastic expansion bellows member of the general cross-sectional shape of said sections overlapping and extending between said first and second sections therewithin, said member having opposite end portions each bonded to said first and second sections providing a watertight expansion joint across the telescoping end portion of said sections.

Claim 3

A plastic gutter expansion joint construction as claimed in claim 1 wherein said first one of said sections has a first opening in said bottom wall adjacent said rear wall and a second opening in said front wall adjacent said flange with said rear wall of said second one of said sections passing through said first opening and said flange of said second section passes through said second opening.

Claim 4

A plastic gutter expansion joint construction comprising a pair of mutually supported telescopic first and second overlapping rigid plastic gutter sections having adjacent overlapping ends said gutter sections having substantially identical cross-sectional dimensions including a vertical rear wall, a bottom wall and a front wall having on its upper edge a flange extending generally horizontally toward said rear wall a first one of said sections having a first opening in said bottom wall adjacent said rear wall and a second opening in said front wall adjacent said flange said rear wall of said second one of said sections passing through said first opening said bottom and front walls of said second section lying outside of the bottom and front walls of said first section to support said first section by said second section against movement in a downward direction and said flange of said second section passing through said second opening and overlying the front wall of said first section to support said second section by said first section against movement in a downward direction to provide said mutual support and a flexible plastic expansion bellows member of the general cross-sectional shape of said sections overlapping and extending between said first and second sections therewithin along said rear, bottom and front walls, said member having opposite end portions each bonded to said first and second sections beyond said openings providing a watertight expansion joint across the telescoping end portions of said sections.

Claim 5

A plastic gutter expansion joint construction comprising a pair of mutually supported telescopic first and second overlapping rigid plastic gutter sections having adjacent overlapping ends said gutter sections having substantially identical cross-sectional dimensions including a vertical rear wall, a bottom wall and a front wall having on its upper edge a flange extending generally horizontally toward said rear wall a first one of said sections having a first opening in said bottom wall adjacent said rear wall and a second opening in said front wall adjacent said flange said rear wall of said second one of said sections passing through said first opening said bottom and front walls of said second section lying outside of the bottom and front walls of said first section to support said first section by said second section against movement in a downward direction and said flange of said second section passing through said second opening and overlying the front wall of said first section to support said second section by said first section against movement in a downward direction to provide said mutual support and a flexible plastic expansion bellows member of the general cross-sectional shape of said sections overlapping and extending between said first and second sections therewithin along said rear, bottom and front walls, said member having opposite end portions each bonded to said first and second sections beyond said openings providing a watertight expansion joint across the telescoping end portions of said sections.

Claim 6

A plastic gutter expansion joint construction as claimed in claim 4 wherein said gutter sections are of rigid vinyl and said bellows member is of flexible vinyl cemented to said gutter sections.