Patent · US Expired

Snap lock balance shoe and system for a pivotable window

US6679000B2 · kind B2 · utility

39Cited by

41References

20Claims

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 11, 2002
Grant date	Jan 20, 2004
Priority date	—
Expiry date	Jan 11, 2022

Classification

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

Abstract

This application relates to apparatus for 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 frame, a locking member at least partially disposed within the frame, a cam in communication with the locking member and a pair of resilient tabs that partially extend through openings within an inverted window balance.

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