Two piece mechanical plug assembly

Description

FIG. 1 is a front view of the two piece mechanical plug assembly of the present invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view and showing the side opposite that of FIG. 3 thereof;

FIG. 5 is the top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a view showing the rigid body member of the two piece mechanical plug separated from the flexible seal member.

Referenced Cited
U.S. Patent Documents
D209377 November 1967 Pomroy
D363767 October 31, 1995 Swaim
D404472 January 19, 1999 Ticle
936444 October 1909 Gillon
3821969 July 1974 Sinko
4506705 March 26, 1985 Thompson
5803126 September 8, 1998 Zaro
Patent History
Patent number: D421792
Type: Grant
Filed: Dec 16, 1998
Date of Patent: Mar 21, 2000
Assignee: Cherne Industries Incorporated (Minneapolis, MN)
Inventor: Marc P. Bevacco (Corcoran, MN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Reid Hecker
Attorney: Anthony G. Eggink
Application Number: 0/97,864
Classifications
Current U.S. Class: Cap, Plug, Vent Or Screen (11) (D23/260)
International Classification: 2301;