Patent ID: 8806714
Filing Date: 2014-08-19
Classification: A45C,B60B,B62B,Y10T

Abstract:
1. A caster system equipped with hand-operated brakes comprised of a wheel with a tire, a fork for supporting the wheel capable of rotating with an axle, a base fixed to a body of a bag supported by said caster system, said base for supporting the fork capable of turning with a swing shaft of about a hollow cylinder swing shaft, a brake pin for stopping rotation of the wheel, a brake driver for pushing the brake pin to a tread of the tire, a connection wire for transmitting force to the brake driver which is maintained in an off-brake position by a spring lever, and a controller for locking the wheel with the single operation of pulling the connection wire, wherein said controller comprises a rotation knob, a double crank with two crank arms fixed to the rotation knob and two links with one end of said links connected to the double crank and the other end of said links connected to the connection wire, said two links are rotationally mounted to rotate in a direction opposite the rotation direction of the rotation knob, said two links lock the rotation knob by reversing rotation when the rotation knob is turned beyond a predetermined angle, said brake pin is made to push the tire, and said brake driver transmits the braking force of the connection wire to the brake pin magnified by the spring lever.