Invention Grant
- Patent Title: Counterbalance and method of making the same
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Application No.: US16267639Application Date: 2019-02-05
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Publication No.: US10753135B2Publication Date: 2020-08-25
- Inventor: Daniel M. Graham
- Applicant: Weber Knapp Company
- Applicant Address: US NY Jamestown
- Assignee: Webber Knapp Company
- Current Assignee: Webber Knapp Company
- Current Assignee Address: US NY Jamestown
- Agency: Simpson & Simpson, PLLC
- Agent Michael Nicholas Vranjes
- Main IPC: E05F1/08
- IPC: E05F1/08 ; E05F1/12 ; E05D11/06 ; E05D3/02 ; E05D3/12 ; E05D11/00 ; E05F1/10

Abstract:
A counterbalance assembly including a housing, a pivot nose, and a spring pack. The housing including a front housing wall having a first housing edge and a second housing edge opposite the first housing edge, a first housing side wall projecting from the first housing edge and having a first retaining slot, and a second housing side wall oppositely disposed relative to the first housing side wall, projecting from the second housing edge and having second retaining slot in registered alignment with the first retaining slot. The pivot nose including a front pivot nose wall having a first pivot nose edge and a second pivot nose edge opposite the first pivot nose edge, a first pivot nose side wall projecting from the first pivot nose edge and having a first pivot nose through hole, and a second pivot nose side wall oppositely disposed relative to the first pivot nose side wall, projecting from the second pivot nose edge and having a second pivot nose through hole, the first and second pivot nose through holes are in registered alignment with the first and second retaining slot. The spring pack disposed within a volume formed by the housing and including a first end engaged with the housing, a second end engaged with the pivot nose, and an energy storage device arranged between the first and second ends.
Public/Granted literature
- US20190169903A1 COUNTERBALANCE AND METHOD OF MAKING THE SAME Public/Granted day:2019-06-06
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