Patent · US Active

Method of installing a locking balance shoe and system for a pivotable window

US8424248B2 · kind B2 · utility

12Cited by

83References

18Claims

0Family size

Assignee

Amesbury Group, Inc. · US

Inventors

Stuart J. Uken · Sioux Falls, US
Gary Newman · Knoxville, US
Lawrence J. VerSteeg · Sioux Falls, US

Key dates

Filing date	Jan 20, 2010
Grant date	Apr 23, 2013
Priority date	—
Expiry date	Jan 18, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06B3/5063
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A snap lock balance shoe and system to be incorporated in pivotable double hung windows. In one embodiment, the snap lock balance shoe includes a pair of retractable tabs that partially extend through openings within an inverted window balance. Embodiments of methods for installing the system include inserting a frame of the balance shoe within a jamb track of the window jamb, rotating the frame 90 degrees about a first axis, and rotating the frame 90 degrees about a second axis such that the frame is substantially fully disposed within the jamb track.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.