US1875366A

US1875366A - Peter beghetti

Info

Publication number: US1875366A
Authority: US
Publication date: 1932-09-06
Anticipated expiration: 1949-09-06

Description

Sept. 6, 1932. P. BEGHETTI CONCRETE FORM APPARATUS Filed April 21, 1930 INVENTOR. Fw /Q BE 6H: 1' r/ ATTORNEYS.

Patented Sept. 6, 1932 PETERVBVEGII-YIETTI, or sAN FRANCISCO, cAuFonNiA coivc'nnmn roaivr APPARATUS Application filed April 21, 1930.. Serial No. 445,990.

This invention relates to concreteform apparatus and has for its object improvements in means for tying'the wooden sides of concrete wall forms firmly in spaced relation preparatory to pouring the Concrete.

In the drawing accompanying this application Fig. 1 is a perspective view. of a portion of the two wooden'sides of a concrete wall form spaced and tied in place withmy improved apparatus.

Fig. 2 is a perspective view of a portion of one side of the form showing the special tie and stay rod being tensioned against a single stud and the rod locked against re-.

lease.

Fig. 3 is a view similar to that of Fig. 2 but shows the tensioning element removed and the rod locked by a wedge device supported against double horizontal studs.

Figs. 4 and 5 are enlarged views respectively of the side and top of the locking wedge which prevents the tensioned rod from slipping.

Figs. 6 and 7 are enlarged views respectively of the side and top of that portion of the rod which lies between the wooden forms and showing its relation thereto.

Fig. 8 is an enlarged cross section of Fig. 6 as seen from the line 88 thereof.

In further detail my invention comprises a combination of rods, stops, hooks, clamps and tensioning bar to brace apart yet lock in place the spaced wooden sides of concrete wall forms.

In the drawing the spaced sides of the wall forms made of horizontally extending boards 1 are shown nailed to the vertical studs 2 and stayed and braced by means of iron rods 3 which pass at intervals through the sides of the form, either in holes drilled or between the cracks of the boards, and are locked in place by means of devices 4 resting against the outer sides of the studs and provided with steel wedges 5 which are driven in to engage the rods and lock them against longitudinal movement.

The wedge devices 4 may be L-shaped brackets to rest over the corner of a single stud as best shown in Fig. 2, or they may be plates with turned down ends as shown at 4 in Fig. 3 to rest over a pair of spaced studs 2' as shown in Fig. 3.

The stay-tie rod 3 may be a continuous one asshown in Fig. 1 and provided with stops 6 as shown :in Fig. 1, or it maybe divided into two

parts

3, 3" as shown in Figs..6 and 7 with a stop6 on section 3" at one form board and the other stop formed by a ring ,7 on the end of the section *3 and which ring is engaged by a double rightfa-ngle hook 8 formed on the end of section 3. The rod may consist of a heavy piece of wire. The stops 6 are simple U-shaped pieces of steel engaging slots in opposite sides. of the rod and have their legs bent toward one another after putting in place as shown in Fig. 8 so that they will not become accide'n tally displaced, and the stay-tie rods may be flattened as at 3 where they pass through the cracks of the formboards if desired, and in such case the. stops engage notches in opposite edges of the flattened portions.

The wedge device is a steel bracket provided with, spaced walls pierced transversely adjacent an edge thereofto pass the stay-tie rods, and between which walls is positioned the steel wedge 5 and arranged in such a manner that it fulcrums with one edge against one end ofthe' space in which it works and the other edge against the rod so that when driven home it will engage the rod with its corners so as to score it and force it against the opposite end of the space to effectuallylock it against longitudinal movement. k I V y The extreme end 5 of the wedges are bent at right angles to form a hook to prevent the wedgesfalling out of the space when released by driving them back.

My preferred form of rod is that of Fig. 6, and when: using this, the'eye ends 3 are all inserted in drilled holes or cracks as one side orwall of the form iserecte'd, they are locked in place by wedges at their outer ends, and the sections 3 are inserted in the other side or wall of the form in alignment with the sections 3", during the erection of the form wall, and each is hooked into the eye. The hook 8 as stated, having a double right angle'bend, so'that it can neither be raised the stops. This is done with the device shown in Fig. 2 which comprises a long bar or handle 9 having an offset end 10 and a heel 11 flanged at 12 to straddle a stud as shown,

while overlying the bar is a yokeor saddle 13;

V spread outwardly in direction toward the stud and surrounded with a loop or stirrup 14 of steel between which and the saddle the rod 3 is positioned and the ring pushed down to form a wedge lock against the rod so that as the bar 9 is pulledoutward from the stud the rod will be tensioned until all slack is taken up and the form sides are seated firmly against the stops. The. rod is then held in tensioned position by dropping a leg 15 from the bar 9 to rest against the stud as shown inFig. 2, after which the wedge is driven in place to lock the rod and the tensioner is removed andv the same operations repeated on another rod.

When all rods are tightened and locked with the wedges the wall is poured and after setting and'removal of forms the rods are cracked off at thepoint of notching for the fstops6, V 1 The word rod used herein and in the claims is intended to includera heavy piece of wire which I consider its equivalent.

Having thus described my improved concrete form apparatus it will be'evident to those skilled in the art that various modifications may be made within the spirit of the invention and scope of the appended claims.

I claim: 7 I 1. In concrete form apparatus, a stay rod provided with stops for spacing adjacent sides of the wall forms, said rod being in two sections and said stops including a yoke fitting in notches in one section and anenlargement on the end ofthe other section, the sections being hooked together through said enlargement, means on the rod outward the two walls of the form are spaced from each other, means carried by both of said members outward of the wall form for holding the opposed walls against the eye and stop respectively, said means comprising a wedge operative against the rod at any point therealong.

' 3. In combination with a stay-tie rod of the character described, a clamping means for the purpose stated comprising a bracket provided with spaced walls connected along opposed edges at two opposite ends, said walls pierced transversely adjacent an edge thereof to pass the stay-tie rods and a wedge plate loosely positioned between said walls, one of the edges of said wedge adapted to rest along a closed end of said bracket and the opposite edge of the wedge extending angularly relative thereto and adapted to impinge the stay-tie rod intermediate the openings in the walls of the bracket through which the rod extends.

PETER BEGHETTI.

of the wall forms for holding the walls 7 against the stops respectively, said means adapted to engage the rod for locking thereto it any point along the rod outward of the orms.

2. In concrete form apparatus, a stay rod comprising two members, an end of one memengage against the inner side of the wall of the form opposed to the above Wall whereby