Invention Grant
- Patent Title: Damper in a washing machine and fabricating method of the same
- Patent Title (中): 洗衣机中的阻尼器及其制造方法
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Application No.: US11902346Application Date: 2007-09-20
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Publication No.: US07861833B2Publication Date: 2011-01-04
- Inventor: Seok Kvu Park , Gwan Ryong Park
- Applicant: Seok Kvu Park , Gwan Ryong Park
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Main IPC: D06F29/00
- IPC: D06F29/00 ; F16F11/00
Abstract:
A damper for a washing machine includes: a cylinder; a piston body having one end inserted into the cylinder; a first friction member interposed in a contact surface between the piston body and the cylinder; an extension bar extended from an inserted portion of the piston body, the extension bar having a circumferential stopper at the extended portion; a friction ring formed between the circumferential stopper and the first friction member; and a second friction member formed on an outer circumferential surface of the friction ring to contact with an inner surface of the cylinder.
Public/Granted literature
- US20080017461A1 Damper in a washing machine and fabricating method of the same Public/Granted day:2008-01-24
Information query
