Patents by Inventor Sang Kyong Choi

Sang Kyong Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Coin discharging apparatus
    Patent number: 6193597
    Abstract: A coin discharged apparatus includes a pipe assembly for holding a plurality of coins, a base plate having a discharging chute for discharging the coins from the pipe assembly, a coin counter for counting coins being discharged through the discharging chute, a motor having an output shaft for providing rotating torque, a rotatable arm engaged with the output shaft for transferring the rotating torque, a first rod engaged with the rotatable arm for actuating the coin counter, a second rod engaged with the first rod for pushing the coins from the pipe assembly into the discharging chute, an engaging coupling for engaging the first rod with the second rod, the base plate having an elongate hole for converting a rotating motion of the engaging coupling into a reciprocating motion to cause the first rod and the second rod to reciprocate, a guide plate having an opening corresponding with the discharging chute for discharging coins and having a slit communicating with the opening for providing a guiding passage for
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: February 27, 2001
    Assignee: LG Industrial Systems Co., Ltd.
    Inventor: Sang Kyong Choi
  • Slush machine
    Patent number: 5967226
    Abstract: A slush machine which is capable of selectively providing a slush state or hot drink.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: October 19, 1999
    Assignee: LG Industrial Systems, Co., Ltd.
    Inventor: Sang Kyong Choi