Horizontally supported planar surfaces – Industrial platform – Adjustable
Reexamination Certificate
2008-10-14
2010-02-16
Lyjak, Lori L (Department: 3612)
Horizontally supported planar surfaces
Industrial platform
Adjustable
C108S102000, C108S137000, C182S141000, C182S222000, C280S006152
Reexamination Certificate
active
07661372
ABSTRACT:
An adjustable, articulable platform, changeable to and from a “U” shape to an “H” shape, is attachable to the distal end of an articulable support arm of a transport vehicle. The platform is arranged to adjustably surround an elevated chimney on at least three sides thereof. The platform comprises: a lower anchor plate centrally disposed within an elongated lower support frame; a rear anchor plate connected perpendicularly to the lower anchor plate, the rear anchor plate centrally and connectively disposed within an elongated rear wall frame, comprising bridging portions of the platform. A right sidewall frame and a left sidewall frame is connected to respective end portions of the elongated rear wall frame. A right slidable sidewall is slidably disposed within the right sidewall frame, and a left slidable sidewall is slidably disposed within the left sidewall frame, to permit forward and rearward adjustability to side rail and floor portions thereof around an elevated structure for supporting personnel and equipment therefor. Those side rail and floor panel portions are also adjustable transversely to squeeze closed together or slightly further apart according to the width of any chimney or the like. Such sideways adjustment is accomplished by supportive engagement of the mid portion of the rear wall frame and floor panel of its adjacent wall and floor panels.
REFERENCES:
patent: 3664456 (1972-05-01), Smith et al.
patent: 5850892 (1998-12-01), Citron et al.
patent: 6276488 (2001-08-01), Divine et al.
patent: 6349793 (2002-02-01), Kincaid
patent: 2005/0173192 (2005-08-01), Waisanen et al.
patent: 2005/0226707 (2005-10-01), Quenzi et al.
patent: 2005/0241878 (2005-11-01), Cook
Halgren Don
Lyjak Lori L
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