Patent ID: 7670208
Filing Date: 2010-03-02
Classification: B24B,B24D

Abstract:
1. A carrier plate detachably mounted on a rotatably mounted abrading plate that is driven during use to abrade stone or concrete floors, the carrier plate comprising: a top surface having a first edge shorter than an opposing second edge; an abrading element affixed to the top surface; a first side arranged on a third edge of the top surface; a second side arranged on a fourth edge of the top surface, the fourth edge opposing the third edge, the first and second sides forming an acute angle; and two flanges, each flange arranged on a respective one of the first and second sides, the two flanges being provided to engage a shoulder arranged on the abrading plate by surrounding said shoulder to affix the carrier plate on the abrading plate with an engagement based on form and friction, said flanges being angled inwards towards a centerline of the carrier plate and downwards towards the abrading plate.