Rotational damper

- Nifco Inc.
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Description

FIG. 1 is a front view of a rotational damper showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view thereof.

Claims

The ornamental design for a rotational damper, as shown and described.

Referenced Cited
U.S. Patent Documents
D450280 November 13, 2001 Brumfield
6360854 March 26, 2002 Hwang
6464052 October 15, 2002 Hsiao
6499573 December 31, 2002 Konomoto
6547043 April 15, 2003 Card
6604614 August 12, 2003 Kurihara et al.
6622829 September 23, 2003 Oliver et al.
Patent History
Patent number: D489028
Type: Grant
Filed: Jan 7, 2003
Date of Patent: Apr 27, 2004
Assignee: Nifco Inc. (Yokohama)
Inventor: Masayuki Nishiyama (Chigasaki)
Primary Examiner: Melody N. Brown
Attorney, Agent or Law Firm: Kanesaka & Takeuchi
Application Number: 29/173,783
Classifications
Current U.S. Class: Brake Element (D12/180)
International Classification: 1216;