Hydraulic drive for high-voltage circuit breaker

- ABB AG
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Description

The patent or application file contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view of a hydraulic drive for high-voltage circuit breaker showing our new design.

FIG. 2 is a first side elevational view thereof.

FIG. 3 is a second side elevational view thereof.

FIG. 4 is a third side elevational view thereof.

FIG. 5 is a fourth side elevational view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

Claims

The ornamental design for a hydraulic drive for high-voltage circuit breaker, as shown and described.

Referenced Cited
U.S. Patent Documents
3495508 February 1970 Allen
4166937 September 4, 1979 Imam et al.
4346270 August 24, 1982 Stout et al.
4384182 May 17, 1983 Imam
4849650 July 18, 1989 Lutz
4958548 September 25, 1990 Schulze
6483067 November 19, 2002 Kamber et al.
7086225 August 8, 2006 Kadlicko
8440930 May 14, 2013 Lee
8481880 July 9, 2013 Bottcher et al.
20130256274 October 3, 2013 Faulkner
20130277190 October 24, 2013 Schmidt et al.
Patent History
Patent number: D711839
Type: Grant
Filed: Jan 3, 2013
Date of Patent: Aug 26, 2014
Assignee: ABB AG (Mannheim)
Inventors: Jörg Knospe (Bruchköbel), Matthias Schmidt (Frankfurt)
Primary Examiner: Selina Sikder
Application Number: 29/441,252
Classifications