| 摘要 |
A device for applying pressure to a surface. A base member has a contacting means mounted on its lower face and a pressure conveying means mounted on its upper face. The user applies pressure to the device through handles. The pressure is conveyed through the handles, carrier members, and axles to rollers. The device is lightweight and portable such that it may be used on walls, ceilings, and in confined spaces as well as for conventional floor installation.
|
