Flexible joint

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Description

FIG. 1 is a front view of a flexible joint.

FIG. 2 is a rear view of the flexible joint.

FIG. 3 is a top plan view of the flexible joint.

FIG. 4 is a bottom plan view of the flexible joint.

FIG. 5 is a left side view of the flexible joint.

FIG. 6 is a right side view of the flexible joint; and,

FIG. 7 is a reduced scale perspective view of the flexible joint.

The phantom representation of the joint portions of a flexible joint is made in the drawings merely for the purpose of illustrating the environment in which this invention is used. The structure shown in broken lines is not part of the design sought to be patented.

Referenced Cited
U.S. Patent Documents
D234847 April 1975 Hoffman
D255145 May 27, 1980 Nederman
D383053 September 2, 1997 Schrader et al.
5403043 April 4, 1995 Smet
Patent History
Patent number: D428805
Type: Grant
Filed: Oct 1, 1999
Date of Patent: Aug 1, 2000
Assignee: Waterworks Technology Development Organization Co., Ltd. (Osaka)
Inventors: Taichi Sato (Nagaokakyo), Yasushi Fujita (Hyogo-ken)
Primary Examiner: Holly Baynham
Law Firm: Knobbe, Martens, Olson & Bear, LLP
Application Number: 0/111,825
Classifications
Current U.S. Class: D/8382; Coupling Or Joint (D23/262)
International Classification: 0808;