Connecting structure for panel lift device

Details Connecting structure for panel lift device Connecting structure for panel lift device

2004-08-31

2010-06-01

Ferguson, Michael P (Department: 3679)

Joints and connections

Interfitted members

Assembled by plural manipulations of member

C403S383000, C403S169000, C248S170000, C248S188700

Reexamination Certificate

active

07726901

ABSTRACT:
A connecting structure detachably connects the upright post of a floor support to the upright frame supporting a panel lift device. The upright post has a pair of upright panels diverging forward to form a V shaped flange that has its lower portion open in front and a rounded knob mounted at the bottom of the post and spaced forward from the forward diverging V shaped flange. The post also has a pair of upright panels converging forward with upper portions of the panels tapering toward one another to form a pointed V shaped upper end. The frame has a forward diverging V shaped flange with an upper portion having dual pair of forward converging flanges in spaced relation to one another to form a forward converging V shaped slot. The upright frame has lower edges formed of a pair of upright rearward converging flanges to be detachably received in the rearward converging space between the rounded knob and V shaped flange of the post with the pointed upper end of the post detachably received in the V shaped slot of the frame for detachably mounting the post of the floor support to the upright frame of the panel lift device.

REFERENCES:
patent: 1335726 (1920-04-01), De Long
patent: 2055761 (1936-09-01), Gerschefski
patent: 4728067 (1988-03-01), Steinmetzer et al.
patent: 4911391 (1990-03-01), Ellis
patent: 5165638 (1992-11-01), Fallon et al.

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