Patents by Inventor Jong A Park
Jong A Park 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).
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Patent number: 8677788Abstract: The washing machine includes a tub mounted in a cabinet, a drum mounted in the tub, a shaft that transmits a driving force from a motor to the drum, front and rear bearings mounted on an outer circumference of opposite end portions of the shaft, a bearing housing built in a central portion of a rear wall of the tub to support the front bearing, a rotor coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor, and a connector of the rotor that serration coupled to the outer circumference of the shaft in front of the rear bearing so as to transmit rotating power from the rotor to the shaft. A bearing bracket may be fixed to the rear wall of the tub so as to cover an outside of the rotor and support the rear bearing.Type: GrantFiled: December 19, 2011Date of Patent: March 25, 2014Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 8113603Abstract: A laundry machine is disclosed. The laundry machine includes a cabinet defining a first receiving space to receive laundry to be treated, a plurality of legs each of which comprises a leg head located at an installation surface and a leg body configured to connect the leg head to the cabinet, a sub cabinet defining a second receiving space having a volume less than the first receiving space, the sub cabinet being coupled to a bottom of the cabinet, and a plurality of coupling members configured to detachably couple the sub cabinet to the cabinet. According to this laundry machine, it is possible to easily achieve the coupling and separation between the cabinet and the sub cabinet.Type: GrantFiled: February 26, 2009Date of Patent: February 14, 2012Assignee: LG Electronics Inc.Inventors: Jong A Park, Youn Su Jung
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Patent number: 8087148Abstract: A drum type washing machine is provided. The washing machine includes a tub mounted in a cabinet, a drum mounted in the tub, a shaft that transmits a driving force from a motor to the drum, front and rear bearings mounted on an outer circumference of opposite end portions of the shaft, a bearing housing built in a central portion of a rear wall of the tub to support the front bearing, a rotor coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor, and a connector of the rotor that serration coupled to the outer circumference of the shaft in front of the rear bearing so as to transmit rotating power from the rotor to the shaft. A bearing bracket may be fixed to the rear wall of the tub so as to cover an outside of the rotor and support the rear bearing.Type: GrantFiled: June 15, 2006Date of Patent: January 3, 2012Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 7596973Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: September 17, 2004Date of Patent: October 6, 2009Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 7441423Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: March 9, 2005Date of Patent: October 28, 2008Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 7428832Abstract: A drum washing machine having improved dehydrating performance is disclosed. The drum washing machine includes a tub with an opened front side, a drum rotatably provided in the tub, and an overflow controller provided in the tub, preventing water from flowing to the front of the tub.Type: GrantFiled: January 14, 2005Date of Patent: September 30, 2008Assignee: LG Electronics Inc.Inventor: Jong A Park
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Patent number: 7415846Abstract: A button assembly and a washing machine having the same, by which a simplified structure enabling to perform assembly and disassembly of the button assembly are disclosed. The button assembly includes a panel having at least one button hole, at least one push button inserted in the at least one button hole in part, and an elastic part coupled to the panel to prevent the at least one push button from being separated from the panel and to elastically support a rear side of the at least one push button.Type: GrantFiled: July 16, 2004Date of Patent: August 26, 2008Assignee: LG. Electronics Inc.Inventor: Jong A Park
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Patent number: 7305857Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: September 17, 2004Date of Patent: December 11, 2007Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 7166950Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: March 9, 2005Date of Patent: January 23, 2007Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 7114355Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: August 30, 2002Date of Patent: October 3, 2006Assignee: LG Electronics, Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 6914363Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: September 17, 2004Date of Patent: July 5, 2005Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
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Patent number: 6460382Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,Type: GrantFiled: July 21, 2000Date of Patent: October 8, 2002Assignee: LG Electronics Inc.Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi