US2256409A

US2256409A - Support for hoists

Info

Publication number: US2256409A
Application number: US376686A
Authority: US
Inventors: Pucci Anthony
Original assignee: Individual
Current assignee: Individual
Priority date: 1941-01-30
Filing date: 1941-01-30
Publication date: 1941-09-16
Anticipated expiration: 1958-09-16

Description

Sept. 16, 1941. A. PUCCI SUPPORT FOR HOISTS v Filed Jan. 50, 1941 2 Sheets-Sheet 1 Inventor /;7/44; @(cc/ Sept. 16, 1941. A. PUCCI SUPPORT FOR HOISTS 2 Sheets-Sheet 2 Filed Jan. 50, 1941 Inventor A iiqrney Patenteci Sept. 11%, 194i iJNlTED STATE 2,256,409 SUPPORT FOR HOIS'IS Anthony Pucci, Taftville, Conn. Application January 30, 1941, Serial No. 376,686

- pulled up by a lineman working aloft.

Another object is to provide a device of the character and for the purpose above set forth which is readily portable, has a minimum number of parts, which may be quickly and easily assembled or disassembled, when desired, is inexpensive to manufacture and obviates bolting or nailing to the cross arm to which it is attached.

To the accomplishment of the above, and the subordinate objects presently appearing, a preferred embodiment of my invention has been illustrated in the accompanying drawings, set forth in detail in the succeeding description, and deflned in the claim appended hereto.

In said drawings:

Figure 1 is a view in side elevation, partly in section, illustrating the preferred embodiment of my invention applied,

Figure 2 is a View in front elevation,

Figure 3 is a View in rear elevation,

Figure 4 is a view in top plan,

Figure 5 is a view in vertical transverse section taken on the line 5-5 of Figure 2, and

Figure 6 is a view in bottom plan of the clamp.

Reference being had to the drawings by numerals, I have shown my improved support therein as attached to one of the usual, transversely rectangular, cross arms I of a telegraph pole, represented at 2, the support being designated as a unit by the numeral 3.

The basic element of my improved support is a rectangular clamp designed to fit entirely around the cross arm I and comprising a pair of opposed, sheet metal, angle plates 4, 5, having top flanges 8 and I, laterally spaced side flanges 8, the top flange 6 of plate t overlapping the corresponding flange 1 of the other plate 5, said top flanges 6, I, being detachably connected together and for relative adjustment of the plates i, 5, toward and from each other respectively, to increase ordiminish the width of the clamp. The connection between said flanges 6, 1, takes the form of a central slot 9 in one flange, for instance 6, extending lengthwise transversely of the clamp, the bolt l0 extended upwardly through the other top flange I through said slot and wing nut H on the outer end of said bolt.

Detachably secured, by means presently described, to the side flange 8 of the plate 4 is a pulley supporting arm l2 extending upwardly above the clamp for a suitable distance and then laterally so as to offset a pulley l3 suspended from its upper end laterally of the cross arm i clear thereof. The pulley supporting arm I2 is formed of flat, bar-like metal and is secured at its lower end flat against the flange 3 of plate dby a pair of bolts l4 extending outwardly of the clamp and equipped with wing nuts IE on the outer ends thereof. Above the plate 4, or said clamp, said arm 12 is twisted to dispose the remainder of the arm with its edges in a vertical plane and thereby prevent said arm from flexing under the weight of the load thereon. The pulley I3 is connected to the upper end of said arm l2 by a link it extended through an aperture H in the arm. A hoisting cable, shown at E23, by dotted lines, is provided for said pulley.

Opposed to the outer face of the side flange 8 of the plate 5 is a hinge plate 8 of substantially the same size as flange 8. A bolt I9 extended outwardly through the center of the flange 8 through a vertical slot 20 in said plate 3' and equipped with a wing nut 2| detachably secures the hinge plate 8 to the flange 8 and for vertical adjustment thereon. Hinged to the bottomedge ofthe hinge plate 8, as at 22, is a bottom plate 23 for the clamp adapted to be swung upwardlyinto clamping position and to extend in such position well beyond the side flange 8 of the plate 5, Opposed to the outer face of the lower end of the pulley supporting arm i2 is the flattened end 24 of a vertically disposed bolt 25 secured, to said end of said arm I? by the bolts'ltl and wingi nuts [5 and having a threaded lower end depending through a suitably arranged slot 26 in the bottom plate 23 and equipped below said plate 23 with a suitable nut .27 whereby said bottom may be locked in clamping position. I

As will be readily understood, by removing the" nut 21 from the bolt 25, the bottom plate 23' the clamp may be swung downwardly from clamping position to open the bottom of the clamp so that the plates 4, 5, may be placed over the cross arm I in straddling relation thereto after which the bottom plate 23 may be swung upwardly against the bottom of the arm I and secured in clamped position relative thereto by nut 21 and bolt 24. By means of the wing nuts ll, 2|, bolts l0, l9 and

slots

9 and 20, the plates 4, 5, may be adjusted into different set positions to increase or plate diminish the width of the clamp in accordance with different sizes of cross arms I, and by means of the wing nut 2|, bolt l9 and slot 20, together with the nut 21 and bolt 25, the bottom plate 23 may be vertically adjusted to increase or diminish the height of the clamp for the same purpose.

As will be manifest, by virtue of the rectangular shape of the described clamp and the described adjustments of its parts, it may be so fitted to different sizes of cross arms i that tight clamping of the parts of the clamp against said arm need not be resorted to, unless desired, such tight clamping not being essential to prevent the clamp and the arm I2 from twisting around the cross arm I when the clamp is properly fitted to said cross arm.

The foregoing will, it is believed, suffice to impart a clear understanding of my invention without further explanation.

Manifestly the invention, as described, is susceptible of modification without departing from the inventive concept, and right is herein reserved to such modifications as fall within the scope of the subjoined claim.

What I claim is:

A device for attaching a hoist standard to a cross bar of a telephone pole comprising a clamp of rectangular form including a pair of opposed angle plates forming the top and sides of the clamp and connected together for relative sliding adjustment laterally to vary the width of the clamp, a bottom forming plate for said clamp mounted on one of said pair of plates for swinging movement into and from clamping relation, said bottom plate extending in clamping position beyond the outer side of one of said pair of plates and having a slot therein, a bolt attached to said outer side of said one plate and depending through said slot, and a nut on said bolt for turning against the bottom forming plate to hold the latter in clamping position, said bolt being adapted for coaction with said outer side of said one plate to clamp a hoist standard therebetween.

ANTHONY PUCCI.