Invention Grant
- Patent Title: Inverted constant force window balance for tilt sash
- Patent Title (中): 倾斜窗框的倒置恒力窗平衡
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Application No.: US13081089Application Date: 2011-04-06
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Publication No.: US09133656B2Publication Date: 2015-09-15
- Inventor: Travis Steen , Chad Swier , Dan Raap , Gary R. Newman , Bruce Hagemeyer
- Applicant: Travis Steen , Chad Swier , Dan Raap , Gary R. Newman , Bruce Hagemeyer
- Applicant Address: US MA Amesbury
- Assignee: AMESBURY GROUP, INC.
- Current Assignee: AMESBURY GROUP, INC.
- Current Assignee Address: US MA Amesbury
- Agency: Goodwin Procter LLP
- Main IPC: E05D13/00
- IPC: E05D13/00
Abstract:
A window balance may include a shoe body with an elongate portion and an enlarged portion. The elongate portion may include at least one carrier section for supporting a coil spring and an enlarged portion may include a locking element and a cam in communication with the locking element. The width of the enlarged portion may be greater than the width of the elongate portion. The spring may rest in the carrier section and may be secured to a window jamb with a fastener or a mounting element.
Public/Granted literature
- US20110239402A1 Inverted Constant Force Window Balance For Tilt Sash Public/Granted day:2011-10-06
Information query
