Movable or removable closures – With protective grille or safety guard – Adjustable to various size opening
Patent
1995-12-19
1996-11-19
Kannan, Philip C.
Movable or removable closures
With protective grille or safety guard
Adjustable to various size opening
49465, 160372, E06B 368
Patent
active
055751130
ABSTRACT:
A guard rail structure includes first and second vertical tubes, two first support members each mounted on one distal end of the first vertical tube, and two second support members each mounted on one distal end of the second vertical tube. Two first fastener members are each mounted on an associated first support member and two second fastener members are each rotatably mounted on an associated second support member. Two first horizontal tubes each have a first distal end mounted in an associated first fastener member. Two second horizontal tubes each have a first distal end mounted in an associated second fastener member, and a second distal end slidably received in an associated first horizontal tube. Two eccentric members each include a plug securely mounted in the second distal end of an associated second horizontal tube and each include an eccentric shaft extending from the plug thereof. Two eccentric clamps each include an inner wall rotatably mounted on the eccentric shaft of an associated eccentric member and each include an outer wall detachably rested against the inner wall of an associated first horizontal tube.
REFERENCES:
patent: 3163205 (1964-12-01), Gottlieb
patent: 5272840 (1993-12-01), Knoedler et al.
patent: 5339567 (1994-08-01), Pierpont et al.
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