US Patent 7744049 Automatic level controlling apparatus

Patent 7744049 was granted and assigned to LG on June, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77440490

Patent Inventor Names

Kang Mo Choi0

Hack Jai Song0

Ho Cheol Kwon0

Il Jyeok Yim0

Beom Jun Kim0

Date of Patent

June 29, 2010

Patent Application Number

105841240

Date Filed

October 6, 2005

Patent Primary Examiner

‌

Anita M. King

Patent abstract

An automatic level controlling apparatus (100) for supporting an appliance includes a hollow leg body (110), a piston (140) inserted in the hollow leg body (110), a spring (130) seated on an upper portion of the piston (140), a cap (120) disposed on an upper portion of the piston (140) to support an upper portion of the spring (130), a frictional member (150) disposed around the piston (140), and a piston rod (160) coupled to the piston (140) and supported on a floor.

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