US2070786A - Scale beam structure - Google Patents

Description

Feb. 16, 1937. ESCHENBACHER ET AL 2,070,786

SCALE BEAM STRUCTURE Filed Nov. 17, 1934 3 Sheets-Sheet 1 &

1mm mnmmm IN VEN TORS 0 *1 HEEMAMV EscHENBAcHE/a AND PAUL J KuecHE/E fi v I MM/QM v ATTORNEYS.

7- H. ESCHENBACHER ET AL 2,070,786

SCALE BEAM STRUCTURE Filed Nov. 17, 1954 3 Sheets-Sheet 2 IN-VEN TORS. HERMAN/V E SCHENBACHEI? AND BY PAUL J KIECHE/E,

M 1 KM ATTORNEYS.

Feb. 16, 1937. H. ESCHENBACHER Er AL 2,070,735

SCALE BEAM STRUCTURE Filed Nov. 1'7, 1934 3 Sheets$heet 3 I N VEN TORS HERMAN/Y ESCHENBACHEE AND BY PAUL. J. K/recHE/E ATTORNEYS.

Patented Feb. 16, 1937 t I UNITED STATES PATENT OFFIQE SCALE BEAM STRUCTURE Hermann Eschenbacher, Ridgewood, and Paul J. Kircher, Brooklyn, N. Y., assignorsto The Jacobs Bros. Co., Inc., Brooklyn, N. Y., a corporation of New York Application November 1'7, 1934, Serial No. 753,428 4 Claims. (Cl. 265-71) This invention relates to an improvement in Fig. 9 is a fragmentary perspective View of one scales, and in its more specific aspect aims to of the beams which is included in the form of provide a functionally and structurally improved apparatus shown in Fig. 8; and

weighing apparatus. Fig. 10 is a perspective view of a second beam It is a well appreciated fact that one of the included. in such latter form of apparatus. '5 major items of expense in connection with the As afore brought out, it is a primary object manufacture of scales and similar apparatus reof the present invention to furnish a structure sides in the fact that such mechanisms involve whereby scales of various types may be functionalrelatively movable parts which are interconnected ly and structurally improved, and whereby, moreby pivots, including, usually, bearing elements over, the manufacture of such scales may be 10 and knife edge members. These members and materially cheapened without this however in elements have usually been associated with the any way detracting from the efficient functioning scale parts by securing them-in a number of of the completed apparatus. At this time it is suitable manners-against movement with reto be additionally understood that except where" spect to the parts which support them or which in hereinafter specifically limited in the claims, 15 they are to support. Not alone is major exthe invention is not to be restricted solely for pense involved in providing these members and use in connection with scales, in that the teachelements, but further material expense is inings thereof may be advantageously followed volved in properly mounting them against norin most cases where two elements are to have mal movement with respect to the beams or rocking connection.

20 other scale parts with which they are to be asso- Thus, referring primarily to Figs. 3 to 7, inciated. elusive, it will be observed that the numeral I5 By means of the present invention there is indicates a strap preferably formed of steel and provided a structure which may be economically which has its side edges extending substantially and rapidly fashioned, and which structure will at right angles to its base. This strap or ele- 25 involve, as a part of its body, any desired numment is cut to suitable length and the ends thereber of portions which, in subsequent assembly of are notched as at l5 for purposes hereinafter of the apparatus, will cooperate with other parts brought out. As shown in Fig. 4, the strap is to furnish points of pivotal mounting. bent adjacent each end to provide portions ll With these and other objects in mind, reference which extend downwardly, and portions H) (deis had to the attached sheets of drawings illusfining the notches it) extending outwardly. trating practical embodiments of the invention, Thereafter the body is is again bent at points and in which: short of the portions H to provide-as illus- Fig. l is a sectional side View of a portion of a trated-inwardly extending parts it, and the scale structure and embodying the teachings of strap is now again bent at points short of the 35 the present invention; portions 59 so that upwardly extending portions Fig. 2 is a perspective View of a beam includ- 2E! and a base portion 2! are furnished. ing such teachings; The beam is now subjected to a final bending Fig. 3 shows a second beam in its initial conalong zones 22 of portions iii as indicated in Fig. dition and as provided in accordance with the 7. It is also subjected to a final bending as inteachings of the method embraced within this dicated at 23 through portions 2!. The first invention; named bends may include twists such that the Fig. 4 is a perspective view showing a subseportions !9 beyond the zones 22 and the portions quent step in the manufacture of the beam; ii and !8 are in each instance displaced through- Fig. 5 is a similar view and showing a further out substantially forty-five degrees. The line 5 stage in the forming of the beam; of bending 23 throughout the base portion 2| is,

Fig. 6 is another perspective view showing a howeverand according to the present embodistep in the manufacture following completion oi ment-such that the parts of the base portion the step illustrated in Fig. 5; between the points 23 are displaced at an angle Fig. 7 is a perspective view of a completed beam of ninety degrees. All of these twisting and 50 constructed in accordance with the method herebending operations are preferably performed in taught; without utilizing heat. After the parts are sub- Fig. 8 is a view similar to Fig. 1 but showing a jected to the operation resulting in the form slightly different form of structure than is inillustrated in Fig. 7, the beam may be convencluded in the preceding view; iently sized and squeezed so that absolute uni- 55 'tions merging into the central 2. formity is secured. Obviously all the twisting and bends may be achieved by the use of special or standard machinery as may be desired, and at this time it is to be understood that while the edges of the strap extend preferably at ninety degrees with respect to the side faces thereof, and while the twisting along the zones 22 are preferably through forty-five degrees, that these factors might be varied in certain respects if this seems wise in any given installation or series of installations.

A beam of this type is used, for example, in a structure of the nature of Fig. l, in which the numeral 24 indicates a base comprising upwards ly extending side wall portions which may be formed with notches in their upper edges as at 25. This beam may conveniently cooperate with a beam of the type shown in Fig. 2, and which is formed by a method similar to that heretofore described. This beam may simply include end portions 26 and 21, the first of which is notched adjacent itsouter ends at 28 and extends thence inwardly as at 29, such inward extending porpart of the body through'twisted portions 35. These twisted portions or zones, in each instance, again prefer abl y extend at an angle of forty-five degrees with respect to the central body portion, it being thus obvious, as shown in Fig. 2, that the ends of the members 26 are angularly displaced to this extent. The end portion 2i may again include a strap of steel or other suitable material, and may, as shown, instead of being integral with the beam legs 31, be secured thereto in any desired manner, as for example by spot welding. A similar method of coupling these legs to the end portion 26 may be followed. Regardless of whether the end portion 21 is or'is not integral with the legs, it may include any suitable configuration or parts which allow of a proper coupling of the scale mechanism (not shown) with the beam structure. Thus, the center of this end portion may be notched as at 32, a sufficient portion of metal being left to provide an inwardly extending forked portion 33 as well as an opening 34 to which the ends of movement resisting elements, such as a spring and a rack bar, respectively, may be secured.

The side flanges of the base may, if desired, be integral with the base plate 35, but with beam described, one form of scale may readily be furnished by simply providing a beam member of the nature shown at 26 to 34 inclusive, and causing those outwardly extending parts which define the cutout portions 28 to lie within the crotch of notches 25 formed in the upwardly extending flange portions. By spot welding or otherwise, there is secured to the central or base portion 2! of the beam l5 to 23'inclusive a loop supporting member which may, for example, take the form of an L-shaped brackettt which is notched as at 31. The legs 3i of the second beam are also notched or grooved as at 38 and a loop 39 of any desired character, such as stiff wire, may have its ends lying within the notches 28 with its central' portion within the notch 31 to thus couple the beams. The beam as shown in Fig. '7 is, of course, disposed in the manner shown in Fig. 1 with the end portions l8 thereof lying within the crotch of the notches 25. A platform, such as id, may be supported upon this structure by having aihxed to the under side of such platform a suitable number of legs in the form of straps 4| having their lower edges extend angularly with respect notched, and one pair of these legs will, for example, bear against the upper edges of the end portion 25 between the extended portions 29 thereof and the zones 30, while the other pair of such legs will bear against the upper edges of the portions l9 at points between the portions 51 and the zone of bending 22.

It is apparent that care must be utilized to have the notches 25 with their edge portions diverging throughout an angle of greater value than the angularity of the edge portions of the beam elements with respect to their side faces. Otherwise no rocking of the parts with respect to each other could occur. Obviously, however,

with. the platform mounted on the beam elements and the latter supported by the side walls of the base, if a movement resisting element is coupled to the free end of the beam as illustrated in Fig. 2, a weight imposed upon the platform ii will cause the latter to be depressed and in turn resulting in the beams, as shown: in Figs. 7' and 2, being rocked with respect to each other and with respect to the base as well as the platform, thus causing a registering mechanism (not shown) to be actuated. The present invention is beams to provide pivot members. The teachings of the same might readily be followed in this having been illustrated, as in Fig 8. In this view the numeral 42 indicates the side walls of the base, which are notched as at 43 to provide in Figs. 9 and 10, are furnished somewhat along the lines of the structures heretofore described, but, as illustrated, the inner end portion of the structure 45 has its outer ends twisted as at 41,

to lie at an angle of approximately one hundred degrees with respect to the legs of the beam.

These end portions have extensions 48 which are.

and are bent to to the main surfaces of the end portions. In this manner notches are furnished which will accommodate, respectively, the inwardly extending portions 43 and the angularly extending legs 49 of the platpreferably integral therewith form 50, thus providing a structure such that rocking movement of the beams with respect to each other and With respect to the platform and base may follow. In this connection, it will be understood that, as shown in Fig. 10, the beam structure 46 is treated as at 5| similarly to the treatment identified under the numerals 41 and 48. In all other respects a scale of the same type as shown in Fig. 1 has been illustrated.

From the foregoing, it will be appreciated that, among others, the several objects of the invention as specifically afore noted, are achieved. It will be appreciated that numerous changes in construction and rearrangement of the parts might be resorted to without in any case departing from the spirit of the invention as defined by the appended claims.

Having thus described the invention, what is claimed is:

1. A scale including a beam structure, a strap having edge portions extending angularly with respect to its side faces, such strap being bent to provide leg and fulcrum portions for such beam, such fulcrum portions including both parts for mounting a structure to be supported not necessarily limited to a mere twisting of the bodies of the connection with the supporting member or base; 30$

as well as parts for mounting the beam, such strap being twisted at points short of such fulcrum portion whereby the surfaces of the latter at their point of juncture furnish substantially knife-edge portions, and a base having notched portions to accommodate certain of such fulcrum portions.

2. A scale including a beam structure, a strap having edge portions extending angularly with respect to its side faces, such strap being bent to provide leg and fulcrum portions for such beam, such fulcrum portions including both parts for mounting a structure to be supported as well as parts for mounting the beam, such strap being twisted at points short of such fulcrum portion whereby the surfaces of the latter at their point of juncture furnish substantially knife-edge portions, a base having notched portions to accommodate certain of such fulcrum portions, and a platform, including legs, bearing against other of such fulcrum portions.

3. As an article of manufacture, a beam structure including a strap having edge portions extending angularly with respect to its side faces, such strap being bent to provide leg and fulcrum portions for such beam, and such strap being twisted at points short of such fulcrum portions whereby the surfaces of the latter at their point of juncture furnish substantially knife-edge portions l. A scale including, in combination, a basal portions forming a part of such base and extending inwardly with respect to the same at an angle of substantially forty-five degrees, such portions having side and edge surfaces extending at substantially ninety degrees with respect to each other, a beam, a platform, legs extending from such platform and bent to project at angles of substantially forty-five degrees with respect to such platform, such legs also including edge and side surfaces lying at substantially ninety degrees with respect to each other, and portions forming a part of such beam and bent to provide notched surfaces to accommodate such angularly extending portions and to be rcckingly supported with respect to the same.

HERMANN ESCHENBACHER. PAUL J. KIRCI-IER.

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