Roof car for suspending a working cage

- Nihon Biso Co., Ltd.
Description

FIG. 1 is a front view of a roof car for suspending a working cage;

FIG. 2 is a right side elevational view of the roof car;

FIG. 3 is a top plan view of the roof car;

FIG. 4 is a rear view of the roof car;

FIG. 5 is a bottom plan view of the roof car;

FIG. 6 is a left side elevational view of the roof car;

FIG. 7 is a front view showing the roof car with its arm being withdrawn;

FIG. 8 is a right side elevational view showing the roof car with its arm being withdrawn;

FIG. 9 is a top plan view showing the roof car with its arm being withdrawn;

FIG. 10 is a rear view showing the roof car with its arm being withdrawn;

FIG. 11 is a bottom plan view showing the roof car with its arm being withdrawn;

FIG. 12 is a left side elevational view showing the roof car with its arm being withdrawn;

FIG. 13 is a front view showing the roof car in its state of use with its wheels being engaged with rails laid on a roof of a building;

FIG. 14 is a right side elevational view showing the roof car in its state of use; and,

FIG. 15 is a perspective view of the roof car.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3159110 December 1964 Wylie
3491851 January 1970 Dutcher
4660678 April 28, 1987 Krag
4811819 March 14, 1989 Sugiyama
Foreign Patent Documents
3-55358 November 1991 JPX
Patent History
Patent number: D369009
Type: Grant
Filed: Dec 20, 1993
Date of Patent: Apr 16, 1996
Assignee: Nihon Biso Co., Ltd. (Tokyo)
Inventor: Osamu Fukutomi (Tokyo)
Primary Examiner: A. Hugo Word
Assistant Examiner: Robin V. Taylor
Law Firm: Hedman, Gibson & Costigan
Application Number: 0/16,596
Classifications
Current U.S. Class: Crane Or Hoist (5) (D34/33)