Patent ID: 6282873
Filing Date: 2001-09-04
Classification: F16H

Abstract:
A mower comprising:a frame;an engine mounted on said frame;a mower deck operatively connected to said frame, said mower deck being selectively position adjustable;a PTO pulley operatively connected to said engine;a double stacked pulley;a first belt for providing power from said PTO pulley to said double stacked pulley;a second belt for providing power from said double stacked pulley to said mower deck;an idler pulley for use in selectively tensioning said second belt;an idler pulley arm having first and second ends and a midsection, said midsection of said idler pulley arm being pivotably connected to said double stacked pulley, said idler pulley being rotatably connected to said first end of said idler pulley arm;a double stacked pulley arm having first and second ends and a midsection, said midsection being pivotably connected to said mower deck, said double stacked pulley being pivotably connected to said first end of said double pulley arm;first biasing means for biasing said double stacked pulley and tensioning said first belt, said first biasing means having first and second ends, said second end of said first biasing means being pivotably connected to said second end of said double pulley arm;second biasing means for biasing said idler pulley and tensioning said second belt, said second biasing means having first and second ends, said second end of said second biasing means being pivotably connected to said second end of said idler pulley arm;a pivot bracket, said pivot bracket being pivotably connected to said frame, said first ends of said first and second biasing means being pivotably connected to said pivot bracket; and,a tension arm for selectively pivoting said pivot bracket, said tension arm being rigidly attached to said pivot bracket, said tension arm selectively simultaneously tensioning said first and second belts from an inoperative condition to an operative condition, said tension arm selectively simultaneously pivoting said idler pulley arm and said double pulley arm in opposite directions.