Oscillating platen for abrading tool

Claim 1

IN AN ABRADING TOOL, HAVING A HOUSING, A PLATEN SUBASSEMBLY COMPRISING: (A) A SUBSTANTIALLY-PLANAR PLATEN MEMBER BELOW THE HOUSING; (B) AT LEAST ONE PAIR OF SPACED-APART SUBSTANTIALLYCYLINDRICAL RESILIENT POSTS, EACH OF SAID POSTS COMPRISING: (1) AN UPPER PORTION RETAINED ON THE HOUSING; (2) A MAIN BODY PORTION; AND (3) A LOWER PORTION HAVING A FLANGED COLLAR RESTING ON THE PLATEN; (C) A RAISED BOSS FORMED ON THE PLATEN INTERMEDIATE SAID POSTS; (D) A PAIR OF SPACED-APART LANCED-OUT RAISED TABS FORMED ON THE PLATEN TO EACH SIDE OF SAID BOSS; (E) EACH OF SAID FLANGED COLLARS BEING POSITIONED BETWEEN A PORTION OF SAID BOSS AND A RESPECTIVE PAIR OF RAISED TABS; (F) AT LEAST ONE OF SAID RAISED TABS PROJECTING ABOVE A RESPECTIVE FLANGED COLLAR; (G) A BRACKET MEMBER HAVING A PAIR OF CIRCULAR OPENINGS, WHEREBY SAID BRACKET MEMBER IS FITTED OVER SAID POSTS AND IS SEATED ON SAID BOSS AND ON TOP OF SAID RESPECTIVE FLANGED COLLARS OF SAID POSTS; (H) SAID BRACKET MEMBER FURTHER HAVING A SLOTTED OPENING RADIALLY OF EACH CIRCULAR OPENING TO RECEIVE SAID RESPECTIVE RAISED TAB; AND (1) FASTENING MEANS PROJECTING THROUGH SAID BOSS TO SECURE SAID BRACKET MEMBER TO THE PLATEN, WHEREBY SAID RESPECTIVE FLANGED COLLARS OF SAID POSTS ARE TRAPPED BETWEEN SAID BRACKET MEMBER AND THE PLATEN.