Apparatus for soft starting of electric motors

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Description

FIG. 1 is a front elevational view of an apparatus for soft starting of electric motors showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

Referenced Cited
U.S. Patent Documents
D323815 February 11, 1992 Boutellier
D326844 June 9, 1992 Boutellier
D370465 June 4, 1996 Yee et al.
D373111 August 27, 1996 Boutellier
D373112 August 27, 1996 Kim
4899120 February 6, 1990 Ohtaka et al.
Patent History
Patent number: D420648
Type: Grant
Filed: Dec 13, 1996
Date of Patent: Feb 15, 2000
Assignee: Schneider Electric SA (Boulogne Billancourt)
Inventor: Pierre Yves Cornu (Versailles)
Primary Examiner: Brian N. Vinson
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Application Number: 0/63,711
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158)
International Classification: 1301;