Invention Grant
- Patent Title: Covering for an architectural opening including multiple stage spring assembly
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Application No.: US16566979Application Date: 2019-09-11
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Publication No.: US11459820B2Publication Date: 2022-10-04
- Inventor: Nickolas C. Buccola, Jr. , Kenneth M. Faller
- Applicant: Hunter Douglas Inc.
- Applicant Address: US NY Pearl River
- Assignee: Hunter Douglas Inc.
- Current Assignee: Hunter Douglas Inc.
- Current Assignee Address: US NY Pearl River
- Agency: KDB Firm PLLC
- Main IPC: E06B9/322
- IPC: E06B9/322 ; F03G1/00 ; E06B9/34 ; E06B9/24 ; E06B9/262 ; E06B9/40
Abstract:
A covering for an architectural covering is provided. The covering may include a multiple stage spring assembly. The spring assembly may include a non-rotatable first member, a first spring including a first end portion and a second end portion, and a second spring including a first end portion and a second end portion. The first end portion of the first spring may be coupled to the first member. The first end portion of the second spring may be coupled to the second end portion of the first spring to rotate with the second end portion of the first spring.
Public/Granted literature
- US20200003005A1 COVERING FOR AN ARCHITECTURAL OPENING INCLUDING MULTIPLE STAGE SPRING ASSEMBLY Public/Granted day:2020-01-02
Information query
IPC分类:
