Universal pneumatic swivel

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Description

FIG. 1 is a top plan view of a universal pneumatic swivel showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an opposite side elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D258078 January 27, 1981 Gallagher et al.
D258381 February 24, 1981 Lewis
D270369 August 30, 1983 Fleckenstein
D295552 May 3, 1988 Huber
D295553 May 3, 1988 Huber
1985012 December 1934 Boehm
2083970 June 1937 Walter
3166252 January 1965 O'Brien et al.
3210099 October 1965 Franck
3986732 October 19, 1976 Stanley
4111465 September 5, 1978 Knight
4142741 March 6, 1979 Fiala
Other references
  • Parker Hannifin, Hose Products Division, 3000 P.S.I. Hydraulic Swivels, p. 94. Parker Hannifin, Hose Products Division, Replacement Seal Kits for Hydraulic Swivels, p. 97.
Patent History
Patent number: D317818
Type: Grant
Filed: Feb 10, 1988
Date of Patent: Jun 25, 1991
Assignee: Dynabrade, Inc. (Tonawanda, NY)
Inventor: Paul W. Huber (Lancaster, NY)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Bean, Kauffman & Spencer
Application Number: 7/154,607
Classifications
Current U.S. Class: Adjustable (e.g., Swivel, Etc.) (D23/264)