Roating shaft type electric device for opening windows

An electric window opening and rotating shaft technology, applied in door/window fittings, power control mechanisms, locks operated by non-mechanical transmission, etc. Complete, compact effect
CN1431381AInactive Publication Date: 2003-07-23董祥义
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
董祥义
Publication Date
2003-07-23
Estimated Expiration
Not applicable · inactive patent

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Abstract

A rotating axle-type electric window opener features that a pair of hinges is arranged between window frame and window sash, a rotating axle passing through then is driven by an electric motor via worm gear speed reducer, controllable engaged clutch and a pair of internally engaged gears for opening the window sash, an electromagnet controlled lock is installed between window frame and window sash, and a handle for manually opening the window sash is arranged.
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Description

technical field

[0001] The invention relates to an opening and closing device for a casement window, in particular to a window opening device which realizes opening and closing of a window sash through a pair of inner meshing gears of a power transmission mechanism to drive a rotating shaft and controls a window lock by an electromagnet. Background technique

[0002] The window sashes of modern residences and office buildings are mostly aluminum alloy or plastic steel mobile window sashes, but this kind of window sashes can only be half opened. In fact, fully open window sashes are deeply favored by people and have a large market. The casement windows of rotary sash are mostly opened and closed manually. With the development of science and technology, automatic opening and closing devices for casement windows have also emerged at the historic moment, such as the "grain depot automatic opening and closing window" of CN2489056y , the power it adopts is a geared motor and a wor...

Claims

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