Machine for floor sweeping and scrubbing

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Description

FIG. 1 is a right front perspective view of a machine for floor sweeping and scrubbing showing our new design;

FIG. 2 is a right rear elevational view thereof;

FIG. 3 is a left front elevational view thereof; and

FIG. 4 is a left rear elevational view thereof.

FIG. 5 is a top plan view thereof, with the awning removed for clarity of illustration only; and

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D189718 February 1961 Patch
D257845 January 13, 1981 Peabody et al.
D267824 February 1, 1983 Mannelly
D273622 April 24, 1984 Brown et al.
3113332 December 1963 Kasper
4369540 January 25, 1983 Burgoon et al.
Other references
  • Tennant Company, Bulletin No. 85.26s, .COPYRGT.1962, Snow Broom.
Patent History
Patent number: D291932
Type: Grant
Filed: Nov 23, 1984
Date of Patent: Sep 15, 1987
Assignee: AAR Brooks & Perkins Corp. (Aberdeen, NC)
Inventors: Christopher M. Knowlton (Moore County, NC), Robert J. O'Hara (Moore County, NC)
Primary Examiner: B. J. Bullock
Assistant Examiner: Ruth Takemoto
Law Firm: Harness, Dickey & Pierce
Application Number: 6/674,151
Classifications
Current U.S. Class: Vehicle Type (D32/4)