Reversible vane for a throwing wheel

- Pangborn Corporation
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Description

FIG. 1 is a front elevational view of a reversible vane for a throwing wheel showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a right side elevational view, the left side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D268114 March 1, 1983 Tutton
D269012 May 17, 1983 Tutton
D274526 July 3, 1984 Watts
D304199 October 24, 1989 Carpenter
D304455 November 7, 1989 Carpenter
2204635 February 1934 Turnbull
2508333 August 1947 Haworth, Jr. et al.
3383804 May 1968 Haider
4164104 August 14, 1979 Carpenter et al.
4473972 October 2, 1984 Leliaert
Patent History
Patent number: D316717
Type: Grant
Filed: Jan 28, 1988
Date of Patent: May 7, 1991
Assignee: Pangborn Corporation (Hagerstown, MD)
Inventors: James H. Carpenter (Hagerstown, MD), Haven L. Keller (Hagerstown, MD)
Primary Examiner: A. Hugo Word
Assistant Examiner: Paula Allen
Attorneys: Charles E. Brown, Charles A. Brown
Application Number: 7/149,616