Toothed drive pulley

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Description

FIGS. 1 and 2 are respectively top and bottom plan views of a toothed drive pulley showing my new design;

FIGS. 3-6 are respectively side elevational views thereof; and

FIGS. 7 and 8 are respectively top and bottom plan views thereof.

Referenced Cited
U.S. Patent Documents
D166013 February 1952 Woodward
D179980 April 1957 Peras
D193643 September 1962 Klonoski
D227012 May 1973 Ranz et al.
D285111 August 12, 1986 Hanson
D290038 May 26, 1987 Patch et al.
616176 December 1898 Zimmerman
990648 April 1911 Hamilton
994025 May 1911 Montgomery
1513763 November 1924 Rowe
2572276 October 1951 Moe
3305958 February 1967 Price, Jr.
4530680 July 23, 1985 Miranti
4545778 October 8, 1985 Koivirla
4571224 February 18, 1986 Arinaja
Foreign Patent Documents
1398919 June 1975 GBX
Other references
  • Revcor, Inc. brochure Bulletin 2800 showing of Blower Wheels, p. 1, p. 2, 4; bottom Double Air Stripwheel p. 5.
Patent History
Patent number: D299211
Type: Grant
Filed: Oct 22, 1985
Date of Patent: Jan 3, 1989
Assignee: Prismavision AB (Malmo)
Inventor: Stig B. Ahlgren (Munich)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Bacon & Thomas
Application Number: 6/790,140