Patent ID: 8448296

Claim:
A window carrier system coupled to a balance assembly for use in carrying a window sash assembly, the carrier system comprising: a carrier assembly including: a balance assembly coupling portion configured to couple to the balance assembly, a window sash assembly carrying portion configured to carry and sustain a weight of the window sash assembly, and a window sash assembly contacting portion configured to contact the window sash assembly; wherein the window sash assembly carrying portion is offset a distance from the balance assembly coupling portion, wherein the balance assembly pulls the carrier assembly along a line of pull extending from the balance assembly coupling portion; wherein the window sash assembly contacting portion engages the window sash assembly when the balance assembly exerts a force on the carrier assembly to counter the weight of the window sash due at least in part to a moment created by the weight force of the window sash being applied to the window sash assembly coupling portion which is offset from the balance assembly coupling portion where a counter force from the balance assembly is generated.