US2267106A

US2267106A - Clamping device

Info

Publication number: US2267106A
Application number: US356568A
Authority: US
Inventors: Jellies Harvey
Original assignee: Western Electric Co Inc
Current assignee: AT&T Corp
Priority date: 1940-09-12
Filing date: 1940-09-12
Publication date: 1941-12-23
Anticipated expiration: 1958-12-23

Description

De.z3, 1941. HJELUES 2,267,106

GLAMPING DEVICE Fi1ed sept. 12,1940 42 sheets-smet 2 Patented Dec. 23, 1941 A 'i UNITED STATES PAT sur 'for-Fics Harvey Jellies,` Clarendon Hillsrflll.,l assigner' Western Electric Company, York, N. Y., a corporation of New-*York Application september 12,1940,'sefiailivdasass l' i1 claims. (ci.

This inventionrelates to clamping devices and more particularly to devices for clamping strands or cables on their supporting framework.

It is an object of the present invention to provide a simple and relatively inexpensive means for clamping cable or strands in place on their supporting framework.

In accordance with one embodiment of the invention, upright `members having integrally formed clamps on the lower end thereof are provided which are substantially channel-shaped in cross section, the flanges of the channels being serrated to receive cross members or horizontal members which are slotted to engage in the serrations on the flanges of the vertically disposed members. The vertically disposed members are provided with suitable slots adapted to receive tongues formed on similarly shaped extensions if it is desired to pile cable or strands on a supporting framework in groups which are higher than the length of the vertical channel members.

A better understanding of the invention willV be had from the following detailed description: when considered in conjunction with the accompanying drawings, wherein Fig. lis a side elevational view of asection of the cable run showing a portion of the Acable supporting framework with clamps made in accordance with the present invention iixed thereto and supporting and clamping the cable onthe cable supports;

Fig. 2 is a sectional view taken on the line 2-2 of Fig. l in the direction of the arrows showing the end elevation of the upright portion of the clamping devices in some detail;

Fig. 3 is a per-spective view of one of the horizontal details utilized in connection with thev vertically-disposed members to clamp the cable in position;

Fig. 4 is an enlarged fragmentary sectional view through a cable run showing on an enlarged scale,` the manner in which the horizontally and vertically disposed members were interconnected;

Fig. 5 is an end view looking toward the right end of the structure shown in Fig. 4;

Fig. 6 is a view in plan on an enlarged scale of the juncture of the horizontally and vertically disposed clamping details;

Fig. '7 is a fragmentary side elevational view of the vertical detail having one of the vertical extensions fixed thereto; and p Fig. 8 is a sectional View taken on the line B-8 of Fig. 7 vin the direction of the arrows.

Referring to the drawings, wherein like referencel characters VVd esgrate thel samel fparts throughoutA theV several views, the clamping deuk vices Vwhich embody the-features of the present. invention are shown 'clampingftelephone. cables on their supporting racks to which the particular clamping devices shown herein are particularly adaptable. Asjshown in'Figs, `1 and 2, the clamps are used.y to securek vcables IB, of varying sizes; to cross membersv AII v and I2 of a cable rack. Cable, racks of thistypemay consistof a-plurality of channel memberspositioned at spaced intervals and supported in any suitable manner inatelefAv phoneexchange.,4 .Y

In Athe-preferred form, .the clamping device comprises a plurality'of horizontal. members, designated-.generallyby the numeral I4, and a plurality of vertically disposed members, designated generally by thenumeral I5. lIf it is desirable to lay more cableon'av rack, including the channel members I2, than `may be positioned Within` the length of the vertically extending members I5, an extension member, designated vgenerally by the numeraljl, maybe utilized-xY f f rI hevertically,disposed members I5 are formed of sheet metal tov-substantially channel shape and,V as most clearly shown, in1 Figs. 4, 5 and 6, the members I5have a web II and two flanges I3l and I9.v The flanges I8 and I9 are serrated and the rounded serrations are disposed vin staggered rel-ation, as mostclearly shown in Fig, 5,V the apex of the serration on the flange I9 beingdirectlyopposite'the valley or low portion of the correspondingserration on-the flange I8. Thebottom of each of the members I5 has formed integrally ,with it abent-.overportion 22, which is disposed at rightangles lto the web I'I of the member I5 and the portion 22 has extending -outwardly fromf-it (tov the -right and left, Fig. 5) clamping

portions

23 and 24 which may be benty to the configuration as shown in Fig. 5 'where the portion 23 is rounded, as shown at 26, to engagel the right hand flange channel member 4-I2 and the portion 24 is bent to form a spring clip whereby when the rounded portion 26 of the portion 23 is hooked under one flange of the channel member I2, the member I5 may be rocked to the position shown and will be locked in place by a portion 24. Y

Adjacent its upper end, each ofthe members I5 is provided with a pair of slots 3|) and 3l and a portion 32 of the web I1 thereof is formed out of its normal plane between the slots 30 and 3| to receive a tongue 33 formed by an extending portion of a flange-34 of the extension member I6, which is locked in: lace by portion 41 thereof. 'Ihe portion 41 of the flange 34 is formed out of the normal plane of the flange adjacent the lower end of the portion 32. The extension member I 6 is otherwise of the same shape as the vertically disposed clamping member I5.

The horizontal clamping members I4 are all of exactly the same construction, made in varying lengths, as most clearly shown in Fig. 3, and comprise a web 40 and offset edge portions 4I and 42, which serve to strengthen the member I4 and provide a small space between the various layers of cable clamped in place by the vertical members I5 and horizontal members I4. Adjacent their ends, each of the members I4 has an irregularly shaped slot formed in it, as indicated.

generally at 43. These slots are cut into the member I4 from opposite sides and taper to a point as shown at 44 so that when the members I4 are placed in position, as most clearly shown in Fig. 6, the tapered portion 44 will engage the side of the flange I9 or the ange I8, if the horizontal member is slipped into place from the opposite side. In order that the members I4 may be readily slipped in place on the members I5, the slot 43 extends from a point in one of the oiset edge portions toward the other oiset edge portion and slightly toward the adjacent end of the member I4. The lip 45, formed as a consequence of the formation of the slot 43, has a notch 46 formed in it which is adapted to engage in the valley between serrations on the flange I8 or I9, as shown in Fig.6.

Since the serrations formed in the flanges I8 and I9 are staggered with respect one'to another, the portion 44 will, when the members I4 are assembled with the members I5, engage the low point of the serrations on the flange I8 or I9, as shown .in Fig. 5, and the notch 46 may be engaged with the serrations midway between the crest and valley of the serrations when the member I4 has been locked in place on the member I5. In moving the lip 45 into this position, it will be necessary, of course, to bend the lip downwardly (Fig. 5) until the notch 46 passes the edge of the serration, whereupon the lip may be released through its resiliency and tightly clamp the member I4 on the member I5. When it is desired to remove any of the members I4 from the vertical members I5, it is simply necessary to bend the lip 45 downwardly and slip the member I4 on' of the member I5 since, when the lip 45 is midway downwardly, the notch 46 therein will be out of the path of the higher portions of the serrations in the mem-ber I8 or I9.

Although a specific embodiment of the invention has been described hereinbefore, it will be understood that modifications and adaptations thereofY may be made without departing from the invention, which is to be limited only by the appended claims.

What is claimed is:

1. A clamping device comprising upright members having bent-over portions with serrated edges, and cross members having slots adjacent their ends in registration with the serrated edges on the bent-over portions of the upright members.

2. A clamping device comprising upright members of substantially channel-shaped cross section and having the flange portions thereof serrated, and cross members having slots adjacent their ends grippingly engaging the serrated edges formed on the anges of the upright members.

3. A clamping device comprising upright members having bent-over portions with staggered serrations on the edges of said bent-over portions, and cross members having-slots adjacent their ends in engagement with the serrated edges on the upright members.

4. A clamping device comprising upright members having bent-over portions with staggered serrations on the edges of said bent-over portions, and cross members having slots adjacent their ends in engagement with the serrated edges on the upright members, said slots in the cross members being less in width than the distance from the base of the web to the tips of the serrations on the upright members to provide surfaces to grip the serrated part of the upright members.

5. A .clamping device for holding strands or cables on frames comprising upright members having integrally formed clamps thereon grippingly engaging the frame, said upright members comprising a web portion and angularly disposed iiange portions having serrations thereon, a series of toothlike projections on said flange portions, the projections being arranged to pro-2 ject at alternate levels on the flanges, and cross members slotted to engage said upright members.

6. A clamping device comprising upright members having bent-over portions withv serrated edges, the serrations on said serrated edges extending at alternate levels on opposite bentover portions, and cross members having slots adjacent their ends in registration with the serrated edges on the bent-over portions of the upright members.

7. A clamping device comprising upright members having bent-over portions with serrated edges, the serrations on said serrated edges extending at alternate levels on opposite bentover portions, cross members having slots adjacent their ends in registration with the serrated edges on the bent-over portions of the upright members, and a notch cut in said slot to provide locking surfaces engageable in the valleys between the serrations.

8. A clamping device comprising upright members having bent-over portions with serrated edges, the serrations on said serrated edges extending at alternate levels on oposite bent-over portions, cross members having slots adjacent their ends in registration with the serrated edges on the bent-over portions of the upright members, and a notch formed in the side of each of said slots on the side thereof closest to the end of the cross member to provide a locking surface for engagement with the sloping side of one of the serrations.

9. A clamping device for clamping cable on frames comprising upright members having a web portion and oppositely disposed and angularly projecting iiange portions, said ilange portions having their edges serrated, and cross members in attachment to said upright members, said cross members comprising a main body portion and end portions integrally connected to the main body portions by a connecting portion whereby the upright and cross members may be locked together by bending the end portions out of their normal plane and forcing the cross member in opposite directions onto opposite upright members.

10. A clamping device for holding strands or cables on a frame including spaced channelshaped members supported by and extending at an angle to said frame, said channel-shaped an angle to said frame, said channel-shaped member having its flanges oppositely directed and formed to have a series of similarly spaced notches in their edges, the notches in the edges of the two flanges on each member being offset relative to each other, and an element having slots adjacent its ends and extending from opposite sides at opposite ends in locking engagement in the notches in the edges of the flanges 0 of the channel-shaped member.

HARVEY J ELLIES.