Patent ID: 6289554
Filing Date: 2001-09-18
Classification: A45C,Y10T

Abstract:
A wheel device comprising:a casing including at least one oblong hole formed therein and having two ends,a rod slidably received in said at least one oblong hole of said casing and slidable between said ends of said at least one oblong hole of said casing,a bracket pivotally secured to said casing at a pivot shaft,a wheel rotatably secured to said bracket and movable outward of said casing when said bracket is rotated relative to said casing about said pivot shaft,a link pivotally coupling said bracket to said rod, andmeans for moving said rod along said at least one oblong hole of said casing, said moving means including a lever pivotally secured to said casing and engaged with said rod for moving said rod along said at least one oblong hole of said casing, sail lever including a middle portion pivotally secured to said casing at a pivot pin, and including a pulley rotatably secured to a first end thereof and engaged with said rod, and including a second end having a hind grip provided thereon for actuating said pulley to move said rod along said at least one oblong bole of said casing,said bracket being moved outward of said casing about said pivot shaft when said rod is moved to a first end of said ends of said at least one oblong hole of said casing, and said bracket being moved inward of said casing when said rod is moved to a second end of said ends of said at least one oblong hole of said casing.