Patent ID: 8845397
Filing Date: 2014-09-30
Classification: B24B

Abstract:
1. A surface abrasion tool comprising: a motor having a rotary spindle; a first drive shaft powered by said rotary spindle; a power transfer assembly for transferring rotary power from said first drive shaft to a second drive shaft, wherein said second drive shaft is spaced apart from a side of said first drive shaft and extends parallel to said first drive shaft; said second drive shaft fixedly secured to a disc holder; a sanding disc fixedly secured to said disc holder for rotating in response to said motor rotating said spindle; a linear drive means mounted to said motor, said linear drive means having a piston rod extending therefrom for selectively moving between a first position and a second position in response to actuation of said linear drive means; a guide plate mounted in fixed relation to said motor, said guide plate having a plurality of bushings mounted therein; a plurality of slide rods corresponding to said guide bushings in said guide plate, said slide rods extending into respective ones of said guide bushings for slidably moving therein; a pressure plate, said pressure plate being secured in fixed relation to said slide rods and said piston rod and moveable relative to motor and said drive shaft in response to actuation of said linear drive means; a locating pin mounted in fixed relation to said pressure plate, in opposed relation to said sanding disc; and wherein said locating pin is disposed in opposed relation to said sanding disc, and said linear drive means is actuated to move said locating pin toward said sanding disc as said sanding disc is being powered by said motor.