| 摘要 |
<p>A holding device in which a plate is provided with two extreme perpendicular wings with resilient tendency to close to each other, laying between both these wings a shaft with stems to mounting the same under pressure to respective holes formed in the wings and large heads to obtain a friction effect on the inner face of the wings, which effect can be increased by means of corrugations or ribs formed in the said face, bearing the shaft a winding thread from which the mobile hangs to the desired height, being the plate on its rear side provided with an adhesive layer for fitting the device to the ceiling from which the advertising mobile is designed to hang.</p> |
