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Publication numberUS2667317 A
Publication typeGrant
Publication dateJan 26, 1954
Filing dateAug 4, 1949
Priority dateAug 4, 1949
Publication numberUS 2667317 A, US 2667317A, US-A-2667317, US2667317 A, US2667317A
InventorsTrebules Victor W
Original AssigneeGabriel Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Antenna mast support
US 2667317 A
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Description  (OCR text may contain errors)

Jan. 26, 1954 v. w. TREBULES ANTENNA MAST SUPPORT 2 Sheets-Sheet 1 Filed Aug. 4, 1949 Arme X Jan. 26, 1954 v. w. TRBULs 2,667,317 ANTENNA MAST SUPPORT Filed Aug. 4, 1949 2 Sheets-sheet 2 IN VEN T OR. V/C 144 7EBUL ES Arra /vcys atented Jan. 26, 1954 ANTENNA MAST SUPPORT Victor W. Trebules, Cleveland, Ohio, assig'nor to The Gabrel Company,

poration of Ohio Cleveland, Ohio, a cor- Application August 4, 1949, Serial No. 108,588

2 Claims.

The present invention relates to a supporting device for radio antenna masts and particularly to a mast supporting device which may be arranged and adjusted to carry a mast at any clesired angle relative to the surface to which the device is secured.

An Object of the invention is the provision of a new and improved radio antenna mast supporting device which may be'attached to a suitable support surface, such as a roof of a building, and readily adjusted to carry an antenna mast at any desired angle relative to the support surface and which comprises a few relatively inexpensive components so constructed and arranged that they may be easily assembled into a rugged and durable structure.

Another object of the present invention is the provision of a new and improved supporting device for a radio antenna mast, which device comprises a base structure attachable to a support surface, and a mast Carrying element pivotally supported by the base structure and which may be fixed at any desired angle relative to the base structure, within a given plane, by looking means which is also eiiective to secure the mast to the Carrying element.

The invention resides in certain constructions and combinations and arrangements of parts and further objects and advantages will be 'apparent to those skilled in the art to which it relates from the following description of the preferred embodiment described with reference to the accompanying drawings forming a part of this Specification, in which Fig. 1 is a perspective view of an antenna mast supporting device embodying the invention;

Fig. 2 is a sectional view taken substantially on line 2-2 of Fig. 1; v 1

Fig. 3 is a sectional view taken on line 3 3 of F'ig. 1; and

Figs. 4, 5 and 6 are elevational side views of the antenna mast support shown secured to hori- Zontal, sloping and Vertical supporting surfaces, respectively.

In general, the invention contemplates a supporting device for an antenna mast, which device comprises a base structure Which may be secured to a suitable plane surface, such as a roof or a wall, and a mast carrying'element pivotally supported on the base structure. The mast Carrying element is adapted to be looked to the base structure in any desired angular position relative to the latter, in a given plane, by clamp means which also serve to secure the mast to the mast Carrying element.

Referring to the drawing, a radio antenna mast supporting device is shown which includesa base structure B and a mast Carrying element E'. The base structure comprises two base plates ll, l2, each having two walls sections l3, |4 at right *angles to one another. The base plates are preferably formed of rolled metal plate or strip Which is slightly resilient so that the wall sections l3, l4 may fiex slightly from their normal right angular relationship. The sections I 3 have openings therein by which the base plates may be secured to a suitable plane surface, such as a roof or wall, by screws 15, and in installing the device, the base plates are secured to the surface with the Wall sections M thereof in spaced parallel relation and 'in registration with one another as shown. When the base plates are thus secured the mast Carrying element E may be pivotally supported therebetween and the sections ld of the base plates may be flexed toward one another by clamping devices arranged to clamp the mast Carrying element firmly between the base plates.

Each wall section |4 has a bearing opening [8 and two oppositely disposed arcuate slot formations 19, 20, the arcs of the slots having a common center which is coincident with the axis of the bearing opening 18.' Preferably, the slots IQ, 20 extend through at least arcs and the bearing opening 18 and slots 19, 20 are symmetrically located in the wall sections M so that the two base plates may be identically formed and when attached to a support surface as described, the slots and bearing openings thereof will be in alignment with one another. r

The mast Carrying element E comprises two complementary members 23, M which form a compressible socket for receiving an antenna mast M. The socket members are preferably of a suitable cast material, such as aluminum. Each of the members 23, 2 5 has a generally semicylindrical form, and when the open side edges of the two members are in engagement, the transverse cross section of the resulting socket is slightly elliptical, with the longer axis at the engaging edges. This construction permits the members 23, 24 to tightly embrace the mast received therebetween, assuming that the section of the mast is circular in cross section, by drawing the members toward one another. One end of each member 23, 24 has an inturned lip 21 Which forms a stop against which the base of the antenna mast may -abut.

The mast Carrying element E is pivotally supported between the base' plates l l, l2 and for this section :i of

;are arranged: as shown; in' Figs.. 15 2' and. 3;

purpose, each of the members 23, 24 has a pintle 28 extending from a boss 29 formed integral therewith and when the members are complementarily associated, the axes of the pintles coincide With one another and extend normal to the axis of the Cylindrical socket formed by the members. The pintles 28 are adapted to be journalled in the openings ,l8 in ther-respective base plates to form a pivotfor the element E about which the element may be rotated. When the element E is pivoted in the base plates, it is conn tained within the confines of the wal-Lsections M; so that it may be rotated through 360 relative to the base plates.

The element E is adapted-to belockedwiththe base plates at any desired angle relative to the plates and for this purpose eachgojif the members 23, 24 has four leg or post structures 311, 3 1 32, 33 Which are spaced 90 from one another aboutthe aXis of the pin'tles of. the respective members and spaced front the .pintles suchfithat the ends of the pcstsmay register with theslotsis; 2.9 When the element' -.is:.rotated between.: the. v base plates on the pintles.. Thedi'ametersot the "posts 30, 3l, 32, a-.aregreater thanthe widthof :the slots and eachn post hasan Opening. therethrough whichnis registerable with theslotsr Preferably, the end .surfacesnof the posts :and the end-surface .ofthe boss 29.-of. each-member 23, 24 'lie in a common plane so thatzthese surfacesnmay frictionally enga'getheadjacent surfaceot a Wall thesbase plates.

'The post str-ucturesL32; 33 having-projecting sleeveportions- 34, 35 which are adapted 'to be received in counterbored portions 36, & of the post structures SD, 3! when the -members 23, 24 are' placed together;- as shown in- Fig; 3; and assist in maintainingthe members 23; 2-proper- 'ly aligned' during the assembly of' the mastsup- When the two members 23,' 24

portingdevice; are arranged to form themast receiving-socket,

i securing devices; suchasbolts-iis; 39- maybe-'extended through the openings throughthealigned posts ofthe-assembled-members.-- Since the-slots 19,- 20 extend through v -at-least--90 and-the -post structures 30, sl; 32; 33 -are -spaced apart 90, respectively; one or the-other of' two pair-sof the diametrically'opposite posts will be in--registration with the slotsthroughout-:3602 of movement of the element E. The 'bolts 3 8; Sir-are adapted to be'- inserted through the slots 59; 20, respectively, of one ofthe base -plates andthrough the cpen-ings of thepcst structures of themembers 23, 24 'which are-aligned' with* the slotsand through the slctsinthe 'other'base plate: T-he ends of the bolts 38; 9-projectingthrough-the slots-is; 26 of the -other'base plate-havenut-s lo threaded thereonwhich may-'be tightly -drawn l against the base platesection Ni to ur-gethe sections M of the two base-plates toward oneg anotherthrough the bolts: The clampingaction of the nuts and bolts-also:-compresses nmembers 23, 2 against the -mast-:in the socket-formed :by the members and the endsur faces .ofxthepostsih 35, 32, 33 and the Outerfaces of: thebosses 2.9; of 'therespective memberszs, z-.are drawn into tight frictionalengagement withthe respective abutting Wall sections m tolocknthe. elementfi E against rotation relative tofithe base-plates.

TO .erect a .radioantenna. mast; OI':* example, the' members 23,. flszare placed ;toget er ;to orm a mast receiving sockct-andthepintles zmhere- Of are journalled in thefibearing. Openngs; IEO the respectivebase plates. H, l2, whichplates The clamping bolts bolts 38, 39 are then inserted through the slots Is, 20 of the base plates and the post structures of the members 23, 24 and the nuts 40 are loosely threaded in the bolts to hold the base plates and socket members 23, 24 in assembled relation. The base plates may then be secured to any suitable plane surface on which the mast is to be supported after which ;the= mast is insertedin theelement E:* The mastmay then be directed to a desired angle relative to the supporting surface by pivoting the element E on its pintles, and.. the nuts 40 are then tightened On the bolts which secure the mast Carrying element E against=rotation-relative to the base plates and alsordrayvs the members of the element together to tightly clamp the mast in the socket thereof.

ltwill be seen; that regardless of the angular position of the support surface, the mast can be erected at any desired angle relative to the surace as the element E may be fixed at any position throughout fi sfiorelative to; the a base plates. Figs. i; 5 .and.:6i1lustrate the mast supporting device secured to horizontal, slopingandgvertical surfaces; respectively, with-the mast: supportingelement Esadjusted relative to nthe base plates in each instance to carrythemast;Vert-ical.

The pivotal support. forfthe mast Carrying socket element and the; arrangement; of: the to -lock thensocket element to: the base plates and clamp then'mast; in' the element enables the mast support-ingndeviceto bepreadily installed and -adjusted: to v carry. the mast .atithe desired angle. It willa'be notedfi that; the construction of. the. support-ing.- device isnsuch-that the base structure, socket .members anckclamping means may each consist of duplicate partswhich enable thesupporting devices .to be -manuiaotured relatively :inexensively and :facilitate the..packag ing and' assembly thereofn While the preferred form of the :invention has been described -in considerable detail, it: will be apparent that' the' inven-tionis not limited-to the constructions shown' and'it'is my intention to cover thereby all' *adaptaticns modifications :and changes thcrein which come within the practice ofthosepskilledvin the artto which the invention relates' and the scope ofi the appended claims Playing. thus .describedmy invention, I claim:

1. A radio antenna, support compr-is nga base structure, including two spaced: confronting wall sections movable toward one another. and -each having two oppositely disposed arcuate slots having a common center, said all sectionshaving open bearings at-said centers, respectvely, a mast carrying element.supported between said Wall sections said eleruentcomprising complementary members cooperating to form-fiasog et to. receive a section of amast therein, said members each having a pintle journalled inrthe Open bearings nthe respective wall ,sections said members each having; -at least -tWo fisurfaces en gageable with, the adjacent. wallsections respectively, adjacent to the slots in thesaid Wall sections and having openings 'therein at said suraces, said openings being; at opposite sides of said socket and alignable with the respectiye openings of. thegotherofsaid members and the slots in said-wall secticns, anda-pair of; clamping'- devices extending; through; the .respective slots and openings in saidmembers to urge said Wall sections and;adjacent*surfaces of said members into frictional engagement and tosurgesaid members, together ;to-clamn a mast sectiomirrsaid socket between said members/ 2. A radio antenna mast support comprising two spaced plates facing one another and each having a pair of diametrically disposed concentric arcuate slots, said slots each extending through substantiaiiy 90 and the slots in one -plate registering With the slots in the other plate, a soeket forming member pivo tally supported between said plates for rotation on an axis extending through the centers of said arcuate slots and said base plates, said socket member adapted to receive a section of an antenna mast and support the same therein, said member including four tubular portions extending parallel to the axis On Which said socket member is pivoted and located at substantially 90 from one another about a Circle substantially *concentric With said arcuate slo-ts, the outer ends of said tubular portions frictionally engaging the respective 'base plates, and ciamping devices extending through diametrically opposed tubular portions of said socket member and engaging said p1ates adjacent to the edges of said slo ts and operative to frictionally clamp said socket member to said plates.

VICTOR W. TREBULES.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 110,434 Clarke Dec. 27, 1870 '786394 Young Apr. 4, 1905 15132303 Carr Mar. 16, 1915 1,149,977 Grow Aug. 10, 1915 1,303249 Brown May 13, 1919 13951337 Fuohs Mar. 7, 1933 &193272 Crossiey Mar. 12, 1940 2,248,170 Hansen July 8, 1941 &342.525 Brooks Feb. 20, 1944 2,463,410 Morris Mar. 1, 1949

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Referenced by
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Classifications
U.S. Classification248/514, D14/238, 248/291.1, 52/298
International ClassificationH01Q1/08
Cooperative ClassificationH01Q1/084
European ClassificationH01Q1/08C