Patent ID: 6334261
Filing Date: 2002-01-01
Classification: B43L

Abstract:
A collapsible square, comprising:a first elongated rigid leg having first and second ends; a second elongated rigid leg having first and second ends, said second elongated rigid leg being pivotally connected at said first end thereof to said first end of said first elongated rigid leg; a hypotenuse member comprising two elongated rigid leg portions, a first of said leg portions and a second of said leg portions having first ends thereof pivotally connected to said second end of said first elongated rigid leg and said second end of said second elongated rigid leg, respectively; said first of said leg portions and said second of said leg portions having second ends thereof connected to one another in a manner which permits said hypotenuse member to be folded; said first leg, said second leg, and said hypotenuse member connected to one another so as to be movable between 1) a storage position wherein said first leg, said second leg, and said hypotenuse member are disposed in linear overlapping relation with one another, and 2) a deployed position wherein said first leg, said second leg, and said hypotenuse member form a right triangle; and a releasable lock structure at said second ends of said first and second leg portions constructed and arranged to releasably lock said first leg, said second leg and said hypotenuse member in said deployed position, and wherein said releasable lock structure includes an aperture disposed in one of said two leg portions and a finger-activated projecting button resiliently attached to said other of said two leg portions, said button being movable relative to both of said two leg portions between a first position where said button is disposed within said aperture and a second position where said button is not disposed within said aperture, said aperture and button being constructed and arranged to enable said button to be passed through said aperture by a user's finger to disengage said button from said aperture.