Duct stiffening device

摘要

A support assembly is provided which is engageable to an as-used position in contact with opposing sidewalls of an air duct to stiffen and increase structural support. The device is engageable between parallel and non parallel sidewalls of ducts through the provision of a support member with pivoting ends configured to engage with the opposing sidewalls. The pivoting ends are in a reverse threaded engagement with opposing ends of the support member whereby rotating the support member will change the length of the assembly.

主权项

1. A support assembly engageable to an as-used position engaged in contact with opposing sidewalls of a duct providing a conduit for air passage therethrough, comprising:
an elongated member having an axis extending between a first end and a second end; a first recess depending into said first end and a second recess depending into said second end; a first means for rotational engagement having a first pivot positioned between a first engagement end having a first threaded member extending therefrom, and a first contact end; said first engagement end slidably engaged within said first recess and having said first threaded member in a first threaded engagement with a threaded insert within said first recess; a second means for rotational engagement having a second pivot positioned between a second engagement end having a second threaded member extending therefrom, and a second contact end; said second engagement end slidably engaged within said second recess and having said second threaded member in a second threaded engagement with a threaded insert within said second recess; a distance between said first contact end and said second contact end defining a length for said support assembly; said first contact end configured for a first engagement at a first mounting position on opposing sidewalls of said duct; said second contact end configured for a second engagement at a second mounting position on said opposing sidewalls of said duct; said member engageable to said as-used position with both parallel said opposing sidewalls and non parallel said opposing sidewalls, while maintaining said axis of said member substantially normal to a center axis of said duct.