Scaffold lumber clamps

Details Scaffold lumber clamps Scaffold lumber clamps

1977-07-25

1978-12-12

Shedd, Wayne L.

Joints and connections

Laterally related members connected by latch means, e.g.,...

24263A, 403391, 403396, E04G 700

Patent

active

041293932

ABSTRACT:
A pair of scaffold lumber clamps are provided. A first of the clamps includes a pair of elongated generally parallel strap members with adjustable clamp structure connected between corresponding ends thereof for drawing the strap members toward each other for clamping lumber pieces therebetween. The opposing sides of the strap members include pointed projections projecting outwardly therefrom. The second clamp structure includes an angle member having a pair of elongated upstanding and generally right angularly disposed integral flanges. The angle member may embracingly engage a corner of an upright piece of lumber and an elongated bar member generally parallels the outer side of a first flange of the angle member and first clamp structure is connected between that flange and the bar for drawing the bar toward the flange. A second bar generally parallels and opposes the inner side of the second flange and second clamp structure is operatively connected between the angle member and the second bar for drawing the latter toward the second flange. Also, the second clamp includes a third bar generally paralleling and opposing the side of the second bar remote from the second flange and the second adjustable clamp structure is also operative to draw the third bar toward the second flange and the second bar.

REFERENCES:
patent: 1538595 (1925-05-01), Schroeder

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