Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate
2007-10-31
2011-11-15
Hartmann, Gary S (Department: 3671)
Road structure, process, or apparatus
Pavement
Vault cover-closure
C016S255000, C016S256000, C403S327000
Reexamination Certificate
active
08057123
ABSTRACT:
The present invention relates to a device for a pavement manhole with a support frame, for closing a panel hinged on the frame using permanent articulation means. The device is characterized in that the pivot axis (8) includes a pin made of at least two parts (13, 14) telescopically mounted into each other and spaced from each other by a spring (15) provided between the two telescopic parts (13, 14) so as to engage and hold the two ends of the pin (8) respectively in two blind holes (20) of the frame. The invention can be used in road equipment.
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Hartmann Gary S
Norinco
Warner & Norcross & Judd LLP
LandOfFree
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