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As a means locking the
"adjustable center legs" at the desired height, stainless steel
strap hinges were used in conjunction with the previously installed
phenolic knurled knobs and T-Nuts. The way the system will works is
that when the knurled knobs are screwed clockwise into the T-Nuts,
they will protrude from the other side and press against the leaf of
the strap hinge (mounted to the bottom of one of the "outside main
leg support"), which in turn presses up against the "adjustable
center leg" and sandwiches it against the opposing "outside main leg
support" locking the "adjustable center leg" in place.
Note how the pivots of the strap hinges rest in the bevel cuts at
the ends of the "outside main leg supports". This will allow the
leaves of the strap hinges to lie parallel to the "outside main leg
supports", thereby allowing the "adjustable center legs" to slide up
and down freely when retract and extending them.
The picture shows the
inside of "outside main leg supports", opposite the side where the
phenolic knurled knobs will be inserted. Need more information,
please contact us at:
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