Bridges – Gangway – ramp – or dock leveler
Reexamination Certificate
2007-07-10
2007-07-10
Addie, Raymond (Department: 3671)
Bridges
Gangway, ramp, or dock leveler
Reexamination Certificate
active
11037762
ABSTRACT:
A modular portable wheel chair ramp comprising a plurality of mechanically interconnected modular ramp sections. Ramp sections are supported by adjustable post assemblies on ramp section sides. A rail panel comprising upper and lower rails extend between said outer post on one end and a second post matching in complement the outer post on an opposite end wherein said second post of a first rail panel removably connects to an outer post of an adjacent rail panel therein connecting said rail panels together. Slats connecting between upper and lower rails form a rail panel. An inner rail is also secured between the posts, interlocking with an extended lug on an inner rail section end fitting into a matching hole in an adjacent inner rail section end to make a continuous inner section rail.
REFERENCES:
patent: 3009183 (1961-11-01), Lay
patent: 3818528 (1974-06-01), Peterson
patent: 4084713 (1978-04-01), Rohrs et al.
patent: 4528711 (1985-07-01), Packer
patent: 5259081 (1993-11-01), Henderson
patent: 5671496 (1997-09-01), Smith
patent: 6481036 (2002-11-01), Duvall
patent: 6561228 (2003-05-01), Lennartsson
patent: 6810995 (2004-11-01), Warford
patent: 2006/0059636 (2006-03-01), Suggate
Addie Raymond
Tingey David L.
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