US1988124A

US1988124A - Apparatus for anchoring masonry to concrete structures

Info

Publication number: US1988124A
Application number: US717186A
Authority: US
Inventors: Johnson James Ross
Original assignee: FORDERER CORNICE WORKS
Current assignee: FORDERER CORNICE WORKS
Priority date: 1934-03-24
Filing date: 1934-03-24
Publication date: 1935-01-15
Anticipated expiration: 1952-01-15

Description

Jan. 15, 1935. J. R. JOHNSON 1,988,124

APPARATUS FOR ANCHORING MASONRY TO CONCRETE STRUCTURES Filed March 24, 1934 f m i X' ATTORNEY I Patented Jan. 15, 1935 UNITED STATES issa zl APPARATUS FOR ANCHORING MASONRY TO CONCRETE STRUCTURES James Ross Johnson, San Francisco, Calif., assignor to Forderer Cornice Works, a corporation of California Application March 24, 1934, Serial No. 717,186

8 Claims.

This invention relates to improvements in apparatus for anchoring masonry to concrete structures.

The various kinds of metal inserts or channel members now commonly used in concrete structures to provide mortise anchoring means for masonry supporting anchors, embody constructions which are fairly susceptible to disfigurement or distortion. It is frequently found, after the hardening of a concrete structure within which an insert is imbedded that the latters metal walls have been pressed out of shape to a point that the normal anchor receiving slot or channel has been narrowed or otherwise considerably deformed. In such an instance an anchor which would normally fit within the insert sometimes cannot be used until a part of its side edge is filed or cut away tomake provision for the operative positioning of the anchor within the insert. Not only is it of considerable inconvenience to bring about a proper fit between the anchor and the insert after the latter has been bent out of shape, but it is also a circumstance ordinarily resulting in a loss of time and money. In order to overcome this difficulty I have provided an improved channel member or insert for use with concrete structures which, when bent out of shape by the ordinary stresses or pressures occasioned during installation, is still capable of accommodating a standard anchor member without the necessity of adjustments of any kind.

An object of my invention is to provide an improved channel member for use as a slot forming insert for concrete structures, embodying a novel construction which permits the mounting therein of anchor plates even though the normal shape of the said member has been somewhat distorted during installation by the pressure of the concrete against the same.

Another object of my invention is to provide an insert for concrete structures having an improved and novel construction which includes two inwardly disposed flanges which are capable of being adjusted, if the circumstances so require, so as to allow a standard anchor member to be used with the insert in the usual manner without the necessity of change or structural modification.

A further object of my invention is to provide improved masonry supporting apparatus for use with concrete structures, embodying a combination including a novel channel member adapted to be imbedded in a concrete structure and an anchor device capable of being adjustably mounted and held in an operative position within the channel member.

Other objects more or less apparent will present themselves or will be specifically pointed out in the description of my invention which is to follow.

In the accompanying drawing:

Fig. 1 is a transverse sectional view of a fragmentarypart of a concrete structure with a form board not yet removed, showing the manner in which my improved slot forming channel member or insert is attached to the form board;

Fig. 2 is a transverse sectional view showing my improved channel member not distorted and with an anchor member operatively mounted therein;

Fig. 3 is a similar view showing the channel member in a somewhat distorted condition;

Fig. 4 is a side view of an anchor member constructed in accordance with my invention;

Fig. 5 is a longitudinal section of another type of anchor member embodying my invention; and

Fig. 6 is a perspective view of a channel member embodying my invention.

Referring to the drawing the numerals 1 indicate the oppositely disposed side walls of an elongated channel member which is constructed preferably from galvanized sheet iron or other suitable material. The side walls 1 are joined together by a rear wall 2 having a number of nail openings 3 therein which are normally closed by removable discs 4. Each of the discs 4 normally closing an opening 3 is held inplace by thin metal connections which are easily broken when a nail is to be passed through the opening. The nail receiving openings 3 being normally closed even when not in use, do not afford means for allowing plastic concrete to pass into the interior of the channel member when the latter is being installed in a concrete structure. The two oppositely disposed side Walls 1, I assume inwardly inclined positions commencing at their juncture with the rearwall 2 and ending at points as at 5, just forwardly of their central portions, at which said points they are slightly bent outwardly and assume approximately parallel positions. The forward ends of the walls 1, 1 are bent inwardly to provide inwardly inclined flanges 6 which, by reason of the slight resiliency afiorded by the material from which the device is made are capable of being pressed outwardly to provide flexible means adapted to firmly engage with the opposite side edges of an anchor plate or member '7.

In ordinary practice the channel member is nailed to a form board with its open side located against that side of the said board later becoming the inner face of a form within which the plastic concrete material is subsequently poured. After the plastic material forming the concrete structure has hardened and the form boards have been removed, the channel member presents an open slot within which anchor members 7 for supporting masonry of various kinds can be inserted and held. That part of the anchor member which is to become located within the channel member, is cut away at opposite sides to provide inwardly inclined side edges 8, the degree of inclination of which it greater than the degree of inclination of the sides 1 of the channel member. Thus, as illustrated in Fig. 3, if the sides of the channel member are forced inwardly through the pressure of the concrete or for any other cause, the anchor member will still be able to fit within the said channel member. In such an event the inwardly disposed flanges 6 or" the channel member are capable of being forced outwardly when the anchor member is placed in operative position within the said channel member. The flanges 6, by reason of the resiliency of the material from which the device is made, firmly engage with the side edges of the narrow neck portion of the anchor member and tend to prevent the latter from wabbling.

The anchor member is preferably provided with a flange 9 at its inwardly disposed end which normally engages with the rear side 2 of the channel member, thereby providing additional means tending to hold the anchor member in a horizontal position. The anchor members illustrated in Figs. 2 and 3 are each provided at its outwardly disposed end with an upturned flange 10 operatively engaging with the plastic binding material ordinarily located between the bricks which are mounted against a concrete structure. In the form shown in Fig. 4 the outwardly disposed end of the anchor member may be cut at or near its center so as to allow

flanges

12 and 13 to be ent in opposite directions. In the form illustrated by Fig. 5 a projecting car 14 may be provided on the main body portion of the anchor member. As is well known in the art, the channel members may be employed to maintain various types of masonry supporting anchors in proper operative positions against a concrete structure.

It is understood that my improved channel member and the anchors associated therewith are susceptible to various changes in regard to size, shape and minor details of construction. It is therefore to be understood that the limits my invention may assume shall be controlled by the appended claims rather than by the exact disclosures herein made.

Having described my invention what I claim is:

1. An insert comprising a channel member having inclined flanges projecting inwardly from its side walls, and an anchor piece having a portion adjustably retained in the channel member, the said portion of the anchor piece having its opposite side edges inclined inwardly and normally disposed in spaced relation to the side walls of the channel member.

2. In an insert for concrete structures, a channel member having inwardly inclined side walls and inwardly inclined yieldable flanges extending from the said side walls and an anchor member having an enlarged portion normally retained inside the channel member, the opposite sides of the enlarged portion being inclined inwardly and normally positioned in spaced relation to the side walls of the channel member.

3. In an insert for concrete structures, a channel member having its opposite side walls inv'" 'dly inclined, inwardly inclined yieldable flanges extending from the side walls, and a flat anchor plate mcvably extending into the channel member having an outwardly bent flange thereon, the said anchor plate being engaged at opposite side edges by the inclined flanges.

4. In an insert for concrete structures, a channel member having integrally formed rear and side walls inwardly extending yieldable flanges projecting from the side walls, and anchor means extending into the channel member, the said anchor plate having an outwardly turned flange normally in engagement with the rear wall, and the said anchor plate being engaged at opposite sides by the flanges.

5. In an insert for concrete structures, a channel member comprising a rear wall, oppositely disposed side walls formed integrally with the rear wall, the said side walls having portions inclined toward each other and other portions lying in substantially parallel planes and oppositely disposed inwardly inclined flanges formed integrally with the front ends of the side walls.

6. In an insert for concrete structures, a channel member having inwardly inclined side walls. an anchor plate having a portion adjustably retained in the channel member, the said portion having opposite side edges located adjacent the said side walls, the said side edges of the anchor plate being inclined inwardly to a greater extent than the normal inclination of the side walls, and yieldable inwardly disposed flanges extending from the side walls and positioned in engagement with opposite side edges of the anchor plate.

'I. In apparatus of the kind described, an anchor member comprising a plate having a portion adapted to be retained inside a channel member, the said portion having an outwardly disposed flange on its end, and another portion at the opposite end of the plate having oppositely disposed flanges thereon.

3. An anchor member for the purpose described comprising a plate having a portion at one end adapted to extend inside a channel member, a portion at its opposite end which terminates in an outwardly disposed flange, and the said plate having an outwardly disposed tongue on its body portion at points intermediate its two end portions.

J. ROSS JOHNSON.