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US 4,361,964 AGranted
Lay out square
OwnerJohn W. Hennesseeinventor
Life of this patent
Estimating the term…
Abstract
This invention relates to a lay out square which can be folded from a flat position for storage to a position wherein the legs are substantially perpendicular to each other. A body comprising first and second legs spaced apart equal distances form a U-shaped member which is joined to a face marking portion formed by third and fourth legs aligned where first and second legs and having hinge means to pivotally secure the body portion to the body at substantially right angles.
Claims4
A lay out square for use in constructing wall sections comprising:
- first and second leg members having a width equal to that of the edge width of the construction members being used;
- an end member joining said first and second legs to form a U-shaped member, the first and second legs being spaced apart a distance equal to the width of one leg;
- third and fourth legs being equal in width to the first and second legs and being spaced to align with said first and second legs;
- a connector member joining said third and fourth legs at one end;
- and
- means pivotally joining said first and third legs and said second and fourth legs to permit movement of the third and fourth legs from a position substantially aligned and overlapping said first and second legs to a position wherein the third and fourth legs are locked substantially perpendicular to the first and second legs.
3 more elements
Dependencies are inferred from the claim text.