Adjustable form stake assembly

Static molds – Miscellaneous mold adjuncts – In situ construction engineering or building type

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Details

249 4, 249208, E01C 1950

Patent

active

040662373

ABSTRACT:
A form stake assembly for adjustably holding a concrete form at a prescribed grade. It includes a pointed stake that has an elongated slot slidably receiving the shank of a carriage bolt. The headed end of the bolt abuts one side of the stake. The bolt shank receives a wing nut on the other side of the stake. The wing nut may be selectively tightened to clamp the bolt against the stake or loosened to enable sliding movement of the bolt within the confines of the longitudinal slot. The bolt includes a central bore extending through the shank and head to receive the shank of a nail. The nail is utilized to secure a concrete form member to the carriage bolt and wing nut assembly. A tie rod is included that may extend between opposed stakes on opposite sides of the form area. The tie rod includes a headed end and a free end. The headed end abuts one side of one stake while the shank extends through the slots of both stakes to receive a slidable collar. A set screw is provided on the collar to lock the collar in abutment with the associated stake and thereby hold the form members together against the weight of wet concrete received therebetween.

REFERENCES:
patent: 1067420 (1913-07-01), Forbis
patent: 1172406 (1916-02-01), Taylor
patent: 1274618 (1918-08-01), Smith
patent: 2635320 (1953-04-01), Ornitz
patent: 2704357 (1955-03-01), Johnson
patent: 3228679 (1966-01-01), Dees
patent: 3300920 (1967-01-01), Skaare
patent: 3378968 (1968-04-01), Shoemaker
patent: 3680823 (1972-08-01), Lougheed

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