Invention Grant
- Patent Title: Chain operator for windows
- Patent Title (中): 窗户的连锁运营商
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Application No.: US59669Application Date: 1993-05-12
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Publication No.: US5406750APublication Date: 1995-04-18
- Inventor: Claes Lindgren
- Applicant: Claes Lindgren
- Applicant Address: DKX Soborg
- Assignee: V. Kann Rasmussen Industri A/S
- Current Assignee: V. Kann Rasmussen Industri A/S
- Current Assignee Address: DKX Soborg
- Main IPC: E05F11/06
- IPC: E05F11/06 ; F16G13/18 ; E05F11/00
Abstract:
An operator for a window has a chain as an operating member, a sprocket wheel for advancing and retracting the chain, and a counterbalancing spring operatively connected to a shaft of the sprocket wheel.
Public/Granted literature
- USD399043S Shoe upper Public/Granted day:1998-10-06
Information query
