Patent ID: 8561260

Claim:
A window balance assembly for installation in a window assembly, the window balance assembly comprising: a carrier; a spring element having first and second portions, the first portion being coupled to the carrier; a mounting bracket engaging the second portion of the spring element and selectively engaging the carrier, the mounting bracket engaging the carrier in an uninstalled configuration and including a first mounting surface disposed at a non-perpendicular angle relative to an exterior surface of the carrier when the window balance assembly is in the uninstalled configuration, the first mounting surface being substantially parallel to the exterior surface of the carrier when the window balance assembly is in an installed configuration and the mounting bracket is disengaged from the carrier; a tab removably engaging a first portion of the carrier when the window balance assembly is in the uninstalled configuration; a head; and a base engaging a second portion of the carrier in the uninstalled configuration, and at least one of the base and the head engaging a wall of a window jamb when the window balance assembly is in the installed configuration.