Adjustable quadrangular base for framework assembling machines

Details Adjustable quadrangular base for framework assembling machines Adjustable quadrangular base for framework assembling machines

1980-04-02

1982-06-01

Frazier, Roy D.

Supports

Machinery support

Adjustable size

248172, 403 52, 52645, 269111, 269289R, F16M 700

Patent

active

043323669

ABSTRACT:
An adjustable quadrangular base, such as for a framework assembling machine, including a group of four elongated rigid elements each having a rigid boxlike member fixed to one end thereof. The boxlike members all have a substantially planar upper surface thereon, which surfaces are all coplanar. An opening extends through each boxlike member parallel to the respective upper surface and perpendicular to the respective elongated element. Each elongated element slidably extends through the opening formed in the boxlike member fixed to one of the remaining elements, whereby two of the elongated elements define a parallel pair which extends in perpendicular relationship to a parallel pair defined by the remaining two elements. The elements can be relatively slidably displaced with respect to the other elements due to the slidable engagement between each element and one of the boxlike members, whereby the size of the square defined by the upper surfaces of the four boxlike members can be enlarged or contracted.

REFERENCES:
patent: 1568758 (1926-01-01), Malcolm
patent: 2739776 (1956-03-01), Terando
patent: 2744590 (1956-05-01), Butts
patent: 3066962 (1962-12-01), Koehler
patent: 3230595 (1966-01-01), Kedem
patent: 3521341 (1970-07-01), Hornlein et al.
patent: 4033539 (1977-07-01), Bardocz

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