Embedded type motorized blind device
AssigneeWinspia Co., Ltd.
InventorDong Ik Kim
Life of this patent
Estimating the term…
Abstract
An embedded type motorized blind device. A power supply section has a motor. A power transmitting section has a worm gear coupled to the shaft of the power supply section, a worm wheel positioned on and meshed with the worm gear, a planetary gear formed on a side surface of the worm wheel, and a quadrangular shaft formed integrally with a front end of the worm gear. A control section has an internal sun gear meshed with the planetary gear, a pair of swing arms securely locked to a center shaft fastened to a bottom wall of the internal sun gear, and a pair of limit switches operated by lower ends of the swing arms to control raising and lowering of a blind. An operating section has raising and lowering drums connected one with another, and tilt adjustment parts respectively placed on the raising and lowering drums.
Claims4
An embedded type motorized blind device comprising:
- a power supply section having a motor which is connected to a reducer for reducing rotation force to a predetermined rpm to rotate a shaft;
- a power transmitting section having a worm gear which is coupled in a lengthwise direction thereof to the shaft of the power supply section, a worm wheel which is positioned on and meshed with the worm gear, a planetary gear which is formed on a side surface of the worm wheel, and a quadrangular shaft which is formed integrally with a front end of the worm gear;
- a control section having an internal sun gear which is meshed with the planetary gear of the power transmitting section, a pair of swing arms which are securely locked to a center shaft fastened to a bottom wall of the internal sun gear, and a pair of limit switches which are operated by lower ends, respectively, of the swing arms to control raising and lowering of a blind;
- and
- an operating section having a plurality of raising and lowering drums one of which is fitted around the quadrangular shaft of the power transmitting section and the others of which are sequentially connected one with another by connection shafts, and tilt adjustment parts which are respectively placed on the raising and lowering drums.
Dependencies are inferred from the claim text.