Dolly track switch

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Description

FIG. 1 is a top perspective view showing our track switch design in which tracks to be coupled to the track switch are shown in shadow line;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image thereof, and the side 90 degrees from the view shown in FIG. 3 being substantially identical excepting that the track portion at the top center is rotated 90 degrees; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D361587 August 22, 1995 Chapman
1463706 July 1923 Ketchum
3695182 October 1972 Ernst
4094252 June 13, 1978 Peter et al.
4699484 October 13, 1987 Howell et al.
4919055 April 24, 1990 Hora
Patent History
Patent number: D401951
Type: Grant
Filed: Aug 21, 1997
Date of Patent: Dec 1, 1998
Assignee: Amblin' Entertainment, Inc. (Los Angeles, CA)
Inventors: Steven Spielberg (Los Angeles, CA), Peter McKie (Santa Monica, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Blakely Sokoloff Taylor & Zafman
Application Number: 0/75,463
Classifications
Current U.S. Class: Optical Article Not Elsewhere Specified (D16/130); Conveying, Lifting, Or Transferring Article (D34/28)
International Classification: 1606;