Fire escape – ladder – or scaffold – Wall- or floor-attached
Reexamination Certificate
2007-04-17
2007-04-17
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Wall- or floor-attached
C248S235000
Reexamination Certificate
active
10940685
ABSTRACT:
A bracket for attachment to an upright scaffolding member has a rigid body with a front hook and rear hook thereon for engaging opposing front and rear faces of the upright scaffolding member. A support arm projects horizontally forward from the rigid body beyond the front hook for supporting an auxiliary platform thereon. A retainer member is movable on the body between an unlocked position in which an area between the hooks for receiving the upright scaffolding member therein is unobstructed and a locked position for engaging the upright scaffolding member in which the retainer member is immovable in the direction of engagement of the retainer member with the upright scaffolding member to prevent accidental release thereof.
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Battison Adrian D.
Dupuis Ryan W.
Thompson II Hugh B.
Williams Michael R.
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