Патент USA US2406668код для вставки
Aug. 27, 1946. H. COHEN ’ TOWER OR MAST Filed Sept. 8, 1944 -1 Arm, M. m. m. ,52;:2 : l1 Il ll'h, ////A INVENToR. WITNESSES fizzrfozaz Coke” BY 7"“WW ATTOR N EYS 2,406,668 Patented Aug. 27, 1946 UNITED" STATES PATENT OFFICE ' ' ' I , T' 2,406,668 TOWEBVOR'MAST ' Q _ _ j. I}, , " I ' Harold Cohen, Elizabeth, N. J.‘ Application September 8, 1944, Serial No. 553,136 ‘ 4Claims. 1 This invention relates to the construction of towers, masts and analogous structures. The principal object of the present invention is the provision of improvements whereby struc tural elements may be rigidly secured to each (Cl._287--103) . to effect the rigid securement of the structural elements aforesaid. The securing device referred to consists of two main parts. One of said parts consists of a cross bar l2 having a clamping member 13 ?xed on one end thereof in any suitable manner. The other in extended relation regardless of any in member I3 is disposed at a right angle to the equalities in the cross-sectional sizes of such ele cross-bar l2, and has laterally extending pro ments as they are manufactured; jections M at or near the ends thereof. The A further object is the provision of improve ments of the indicated character which enables 10 cross-bar 12 has a longitudinal slot l5 therein near the other end thereof. The other main part the fabrication of the class of structures men l5 of the device is wedge shape and is adapted tioned, and also enables them to be dismantled to be received in the slot 15 so as to‘ be disposed quickly and easily. . , at a right angle to the cross-bar l2 in opposition A further object is the provision of means of to the member l3. 15 the indicated character which not only rigidly Two similar securing devices are used at a secures the components of a structure to each right angle to each other. Consequently, each other, but also affords a good electrical connec element I0 and H has diametrically disposed tion between the parts in construction of towers holes I‘! therein which register with each other and masts. ' The nature of the invention and its distin 20 in pairs to receive one cross-bar I 2, and each ele guishing features. and‘ advantages will appear ~ ment l0 and II also has diametrically disposed holes l8 therein which register with each other when the following speci?cation is read in con in pairs to receive the second cross-bar l2. The junction with the accompanying drawing; in element In also has spaced holes 19 to receive which Fig. 1 is a fragmentary vertical sectional view 25 the projections M of the‘ respective clamping members l3. showing telescoped structural elements rigidly When the elements In and H are in the tele secured in accordance with the invention. scoped relation, the cross-bars [2 may be extended Fig. 2 is a sectional view taken on the line 2—~Z transversely through the elements It] and II at of Fig. 1. ‘ a right angle with respect to each other by reason Fig. 3 is a sectional view taken on the line of the holes I‘! and I8, and the projections M 3—3 of Fig. 1 omitting the securing devices, but‘ are disposed in the holes 19. By. inserting the showing the cross-bars thereof in dot and dash clamping members l6 into the respective slots I5 and forcing them downwardly, said members It Fig. e is a perspective view of one of the main 35 will cooperate with the cross-bars I2 while bear parts of a securing device. ing on the element Ill. This will cause the pro In the drawing there are shown tubular struc jections I4 to bear on the element H in vertical tural elements l0 and II which may constitute planes at a right angle with respect to each other, leg sections, supports or components of a tower, and the element II, in turn, will impinge on the mast or analogous structures. The elements l0 and I I are arranged in extended relation so that 40 cross-bars l2 at the points designated 20 in Fig. 3. In this manner the elements In and H are rigidly portions thereof telescope with respect to each secured in the telescoped extended relation. other, that is to say, the element Ill for a por The size of the holes I‘! and‘ I8 may be some tion of its length surrounds the element H for what larger than'the cross-sectional size of the , a portion of its length. cross-bars l2. This may cause the element II to In the manufacture of tubing to be used, as be off-center with respect to the element III. In structural elements, such as the elements It] and practice the variance from true axial alinement is II, they are not always of uniform cross-sec~ negligible. The holes I‘! and I8 may be of such tional size for a close inter?t of the elements size and arrangement to assure axial alinement vwhen telescoped. Unless provision is made for of the elements In and II when secured. The such inequalities the elements cannot be rigidly difference in the interior diameter of the element secured to each other in an extended telescoped In with respect to the exterior diameter of the relation and they will be loose and wobble. element l l is exaggerated in the drawing. In accordance with the presentinvention use The various parts made of suitable metal and is made of a securing device of such type that a pair of the same in use cooperate with each other 55 secured in the manner described afford good elec lines. ' . 2,406,668 3 4 trical connections desirable in towers and masts having electrical installations, such as radio aerials and antennae. The members l3 and it each has a hole 2| to or mast upright when erected. Such line applied to the member l6 aids in retaining it in its func tions thereof are telescoped, said portions hav ing registering holes therein, cross-bars extend ing loosely in the holes in said portions trans versely of said portions and at a right angle with respect to each other, and means cooperating with said cross-bars and acting on said portions to rigidly secure said elements in the telescoped tioning position. relation, and wherein the inner telescoped por accommodate a guy line for sustaining a tower ‘ I claim: tion laterally impinges on said cross-bars. 1. In a structure of the character described, 10 '3. In a structure as set forth in claim 1, where structural elements arranged so that portions in said device consists of two cooperative parts thereof are telesooped, said portions having regis- I capable of exerting a clamping action. tering holes therein, a cross-bar extending loosely’ 4. In a structure as set forth in claim 1, where in the holes in said portions transversely ovfsaid in said device consists of two cooperative parts portions, and a device acting on said elernents to rigidly secure said elements in the telescoped capable of exerting a clamping action, and one of said parts has projections extending through relation, and wherein the inner telescoped por the outer telescoped portion and bearing on the inner telescoped portion. tion laterally impinges on said cross-barf.“ ‘ ' 2. In a, structure of the character ‘described, tubular structural elements arranged so that por ' " 20 ‘ HAROLD COHEN.