Patent ID: 6662404
Filing Date: 2003-12-16
Classification: B60B,Y10T

Abstract:
A central braking caster comprising:a connecting apparatus; a wheel mounted on the connecting apparatus, the wheel having a rotational axis, the wheel also having a cylindrical flange with the inner surface thereof accessible as a brake drum; a pivot pin mounted on the connecting apparatus and oriented in a direction paralel to the rotational axis of the wheel; a brake lever mounted on the pivot pin, whereby the brake lever is disposed to pivot exclusively about a horizontal axis parallel to the rotational axis of the wheel; the brake lever having a brake arm, the brake arm having a convexly curved portion disposed to directly engage the brake drum of the wheel; and one or more compression springs each having a first end and a second end, the first end of each compression spring being seated on the connecting apparatus in fixed relation to the rotational axis of the wheel, the second end of each compression spring pressing against a portion of the brake lever to bias the brake arm away from the brake drum.