Rotatable coupling

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Description

FIG. 1 is a side elevational view of a rotatable coupling showing my new design, the other sides being the same as the side shown;

FIG. 2 is a left end elevational view thereof; and,

FIG. 3 is a right end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D120495 May 1940 Wilson
D121608 July 1940 Bedur
D184984 April 1959 Chapman
D187578 March 1960 Moffatt
D195540 June 1963 Knight
D258076 January 27, 1981 Wiedenbeck et al.
D267506 January 4, 1983 Evans
D270935 October 11, 1983 Logsdon
D283342 April 8, 1986 Tisserat et al.
681067 August 1901 Morrissey
1235798 August 1917 Haskell
1375822 April 1921 Borgeson
1580694 April 1926 Smith
2790680 April 1957 Rosholt
4205866 June 3, 1980 McCracken
Patent History
Patent number: D342565
Type: Grant
Filed: Sep 3, 1991
Date of Patent: Dec 21, 1993
Assignee: Rosenberger Diversified Industries, Inc. (Pandora, OH)
Inventor: Edwin C. Rosenberger (Pandora, OH)
Primary Examiner: James R. Largen
Attorney: Allen D. Gutchess, Jr.
Application Number: 7/753,663
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)