Step or bracket device

Details Step or bracket device Step or bracket device

2006-06-27

2006-06-27

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

Reexamination Certificate

active

07066298

ABSTRACT:
A bracket device for attachment to a thin walled section includes a main member having an operating member, and an attachment hook extending from a proximal end of the operating member which in use engages with the thin walled section, and a locking wedge associated with the attachment hook which slides in relation to the attachment hook to a locking position to create a reaction force between the attachment hook and the thin walled section.

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patent: 9405295.6 (1994-07-01), None
patent: 0519316 (1992-12-01), None

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