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Rolling device

A swivel seat, viscoelastic technology, applied in projection devices, door/window protection devices, building components, etc., can solve the problems of increased volume, weight and manufacturing cost, complex structure of the reduction device, etc., to achieve light weight and volume. Small, the effect of reducing production costs

Inactive Publication Date: 2010-11-17
宏炬德企业股份有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] However, the complex structure of the above-mentioned deceleration device will increase its volume, weight and manufacturing cost, which is a fly in the ointment.

Method used

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Embodiment Construction

[0024] Please also refer to Figure 1a to Figure 3 ,in Figure 1a An exploded schematic diagram showing a retracting device according to a preferred embodiment of the present invention; Figure 1b Another exploded schematic diagram showing a retracting device according to a preferred embodiment of the present invention; figure 2 A schematic cross-sectional view showing the combination of a retracting device according to a preferred embodiment of the present invention; image 3 A schematic diagram showing the deployment of the retracting device according to a preferred embodiment of the present invention when it is used on a projector display screen.

[0025] As shown in the figure, the retracting device 1 of the present invention can be used in projector display screens or curtains. In this embodiment, the projector display screen is used as an example for illustration, but it is not limited thereto. It includes: A rotating seat 10 ; a fixed seat 20 ; and a viscoelastic mat...

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PUM

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Abstract

The invention discloses a rolling device which can be used for a display screen or a curtain, and comprises a rotating seat, a fixing seat and a visco-elastic material, wherein the rotating seat is hollow and is internally provided with at least one groove chamber; the fixing seat is also hollow, is used for containing the rotating seat, and is also provided with at least one seat groove which is arranged to be staggered with the groove chamber; the visco-elastic material is filled between the seat groove and the groove chamber; therefore, the rotating seat can be conveniently rotated, and the visco-elastic material can be used for slowing down the rotating speed of the rotating seat and reducing the impact force when in rolling. The rolling device can control the rotating speed of the rotating seat by adjusting the filling quantity or viscosity of visco-elastic fluid.

Description

technical field [0001] The invention relates to a retracting device, especially a retracting device which is filled with a viscoelastic material so that the rotation speed thereof can be slowed down by the viscoelastic material to reduce the impact force. Background technique [0002] Generally, projectors or OLED TVs project image signals onto a large-sized display panel or display screen to achieve better audio-visual and visual effects. The reduction gear of the existing display screen device usually has a plurality of gears, and the reduction is performed through the gear ratio between the gears, so as to achieve the effect of slowing down the winding speed. [0003] However, the above-mentioned deceleration device has a complex structure, which will increase its volume, weight and manufacturing cost, which is a fly in the ointment. [0004] Therefore, be necessary to design a kind of creative retracting device, to overcome above-mentioned defective. Contents of the i...

Claims

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Application Information

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IPC IPC(8): B65H75/34B65H75/38B65H75/44B65H75/48G03B21/58E06B9/40E06B9/56
Inventor 王世仁
Owner 宏炬德企业股份有限公司
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