Wells – Above ground apparatus – Cap or head pivotably attached to tube or casing
Reexamination Certificate
2011-06-21
2011-06-21
Neuder, William P (Department: 3672)
Wells
Above ground apparatus
Cap or head pivotably attached to tube or casing
C166S075130
Reexamination Certificate
active
07963320
ABSTRACT:
A cover assembly for use on a wide variety of tubular members comprises a base member, a pivoting member, a plurality of fingers extending from both the base member and the pivoting member and pivot means to pivotally join said pivoting member to said base member. Preferably the cover assembly is pivotable between an open configuration and a closed configuration, wherein said open configuration accepts a first bolt pattern configuration and wherein said closed configuration accepts a second bolt pattern configuration. More preferably, the cover assembly further comprises a ring groove guide. Even more preferably, the cover assembly further comprises a tubular engagement member.
REFERENCES:
patent: 941452 (1909-11-01), Henning
patent: 4848458 (1989-07-01), Holdsworth et al.
patent: 4881597 (1989-11-01), Hensley
patent: 5184608 (1993-02-01), Hale, III
patent: 5784887 (1998-07-01), Chow et al.
patent: 6105669 (2000-08-01), Davis
patent: 7658570 (2010-02-01), Hill et al.
patent: 2003/0222045 (2003-12-01), Shane
Gelsing Sander
Neuder William P
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