Rotary joint

- The Johnson Corporation
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Description

FIG. 1 is a side elevational view of a rotary joint showing our new design, the top, bottom and opposite side being identical to 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
D232551 August 1974 Grover
1529994 March 1925 Ellis
2305725 December 1942 Meyer
2477762 August 1949 Monroe
2733080 January 1956 Gill
2791449 May 1957 Monroe
2805086 September 1957 Shomaker
2836439 May 1958 Moore
3265411 August 1966 Monroe et al.
3484853 December 1969 Nishi
3892256 July 1975 Schleseh
Patent History
Patent number: D258076
Type: Grant
Filed: Dec 18, 1978
Date of Patent: Jan 27, 1981
Assignee: The Johnson Corporation (Three Rivers, MI)
Inventors: Roger D. Wiedenbeck (Three Rivers, MI), Kenneth W. Boughton (Three Rivers, MI), Richard Maurer (Three Rivers, MI)
Primary Examiner: James R. Largen
Attorney: Townsend F. Beaman
Application Number: 5/970,101
Classifications
Current U.S. Class: D23/40
International Classification: D2301;