Patent ID: 8429781
Filing Date: 2013-04-30
Classification: A47L,B60S

Abstract:
1. A modular portable mechanized handheld scraper comprising: a) a power drive module comprising of a hollow handle with a first end and a second end; said first end having a locator pin; said hollow handle enclosing a lock pin means, a lock pin release means, rechargeable battery, electrical contact pins in electrical communication with said rechargeable battery, switch means, an electric motor means electrically connected to said rechargeable battery through said switch means and a drive shaft means rigidly connected to shaft of said electric motor means; b) a scraper drive module attachment, removeably attached to said drive shaft means of said power drive module; said scraper drive module attachment comprising of a cylindrical hollow body with an open first end and an open second end; said first end of said cylindrical hollow body covered by a permeable membrane; said cylindrical hollow body enclosing a fan module, a first reduction gear module, a scraper blade module and a connector module; said connector module comprising of a hollow input shaft with a first end and a second end; said first end of said hollow input shaft located outside said cylindrical hollow body; said first end of said hollow input shaft rotatetably and removeably coupled to said drive shaft means of said power drive module; said hollow input shaft having a groove near said first end; said second end of said hollow input shaft located inside said cylindrical hollow body; said hollow input shaft having a miter gear at said second end; said fan module comprising of a first end with a miter gear rotatetably coupled to said miter gear of said connector module, and a second end having a plurality of fan blades; said first reduction gear module having a first end and a second end; said first reduction gear module having a miter gear at said first end coupled rotatetably to said miter gear of said connector module; said scraper blade module having a scraper shaft and a scraper blade assembly; said scraper shaft rigidly connecting said second end of said first reduction gear module with said scraper blade assembly; and c) a brush module attachment removeably attached to said drive shaft means of said power drive module, comprising of a second reduction gear module and a cylindrical body; said second reduction gear module having a first end with a locator hole and a second end; a hollow input shaft with a groove extending from said first end of said second reduction gear module; an output shaft extending from said second end of said second reduction gear module; said cylindrical body having a first end and a second end; said first end of said cylindrical body rigidly attached to said output shaft of said second reduction gear module; said input shaft of said second reduction gear module removeably attached to said drive shaft means of said power drive module.