Fences – Rail – Connection
Reexamination Certificate
2005-06-07
2005-06-07
Cottingham, John R. (Department: 2116)
Fences
Rail
Connection
Reexamination Certificate
active
06902153
ABSTRACT:
An improved gate section and base for a portable safety rail system which utilizes cast iron bases and hinged gate sections. The improved base includes four post receivers, recessed handles with smooth edges, and stacking recesses. The improved gate section incorporates a single pull double latching mechanism which includes two durable and robust latches each with its own manual operating tab but also a manual operating handle whereby both latches can be operated simultaneously.
REFERENCES:
patent: 6269853 (2001-08-01), Chang
patent: 6616369 (2003-09-01), Clark
patent: 2002/0046981 (2002-04-01), Amish
patent: 2002/0096093 (2002-07-01), Yang
patent: 2002/0189163 (2002-12-01), Cooper
patent: 2004/0211584 (2004-10-01), VanderVelde
Cottingham John R.
Jaeger Hugh D.
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