US1309670A - Planoooaph - Google Patents

Description

A. H. wuss.

CORD WEIGHT.

APPLICATION FILED DEC. 4. I912.

Patented July 15, 1919.

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HZ furl-2E UNITED STATES PATENT OFFICE.

ALFRED H. WEISS, OF WILMETTE, ILLINOIS, ASSIGNOR TO KELLOGG SWITCHIBOARD AND SUPPLY COMPANY, OF CHICAGO, ILLINOIS, A CORIORATION'OF ILLINOIS.

CORD-WEIGHT.

Application filed December 4, 1912.

To (6 whom it may concern: I

Be it known that I, ALFRED IT. News, a citizen of the United States of America, residing in Wilmette, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Cord-\Veights, of which the following .is a specification.

My invention relates to weights and more particularly to cord weights which are used in connection with telephone switchboards for restoring the plugs and cords of said switchboard after the said plugs are disconnected from their associated jacks.

In a telephone switchboard plugs are on the free end of the cords, the plugs being located on the key and plug shelf of the switchboard and the cords extending below the shelf, the other end of the'cord being suitably fastened to the interior of the switchboard. The weights ride freely on the cords by means of a pulley wheel fastened by suitable means to the cord weight. The space in a switchboard is limited and for that reason the cord weights are suspended in a row close to each other, and in ascending and descending as the plugs are used knock against each other. The cord weights in general use at the present time are of cast lead or other suitable material and after short usage become battered by knocking against each other thus making the edges and surface rough.

As the cords are raised and lowered the cord weights rub against the cords associ ated with the other plugs and their battered edges will soon wear the insulation of the cord. This necessitates frequent renewal of the cords which have been worn and also replacing the battered weights.

The object of my invention is to provide a cord weight having a protective casing for the weight proper, of relatively hard material which does not become battered after usage and affords a smooth surface so that the cord weight when returning its associated plug rubs against the cord next to it, it does not wear the insulation to any appreciable amount reducing the changing of cords and also battered weights to a minimum and bringing down the cost of maintenance.

For a more complete understanding of my invention reference is to be had to the accompanying drawing in which like reference characters denote like parts and in which Specification of Letters Patent.

Patented July 15, 1919.

Serial No. 734,835.

Figure 1 is a front elevation of the cord weight.

Fig. 2 is a side elevation of the same.

Fig. 3 is a cross section of Fig. 1 on the line 3, 3, looking in the direction of the arrows.

Fig. 4 is a perspective view showing one of the halves of the protective casing.

Fig. 5 is a perspective view of the interior weight.

Fig. 6 is a perspective view showing the other half of the casing.

Referring now more in detail to my invention, it comprises a casing preferably of similar halves l and 2, the halves being punched and formed out of sheet steel or any other suitable material. The casing which is of similar halves is the preferred form of my invention but other forms of construction for protective casing can be used. The weight 3 is preferably made of lead or babbit and is cast in a mold which conforms with the inner area of the protec= tive casing.

Owing to the limited space in the switchboard to be used for the cord weights they have to be small and compact in form so their required number can be gotten in a given space. The weight must be heavy enough to perform its functions properly and therefore lead is ordinarily used, it being mostsatisfactory on account of it having the highest specific gravity of the cheaper metals, but its disadvantage is its comparative softness. Holes 4 are provided in the weight which permit the rivets 5 to pass through the weight when the cord weight is being assembled. The similar halves in being punched and formed have the indentations 6 also formed in them. These indentations 6 are of a size and depth to permit the heads and upset ends of the rivets 5 to come flush with or below the surface of the protective casing when it is assembled.

In assembling the cord weight the similar halves are placed on each side of the weight 3. The halves inclose the weight in such a manner as to leave no portion of the cast weight exposed so it will be subject to battering. When the halves 1 and 2 have been so placed the rivets are thrust through the holes 7 in indentations 6 of the half 1, the holes 4 of the weight 3 and then through the ordinary eord weight.

the holes 7 in the indentations 6 of the half 2. The endsof the rivets 5 which protrude are then upset clamping the halves 1 and 2 securely around the weight 3. The heads of the rivets and upset ends rest in the indentations 6 and are preferably flush with the surfaces of the halves 1 and 2.

As the rivet heads and ends are flushwith the surface of the protective casing there are no projections and this affords a smooth surface so that the weight in rubbing against the cords on each side of it does not materially wear the cord as is the case in I have eliminated all sharp corners and edges on the protective casing of my cord weight rounding them of? and when knocking against each other they glide off one another preserving the casing from becoming battered.

I also provide means by which I support a pulley wheel 8 which rides on the cord when restoring its associated plug. The pulley supporting means preferably comprises an upwardly extending ear 9 on the piece 1 and the ear 10 on the piece 2. The hole 11 in the ear 9 and the hole 12 in the car 10 is punched through to receive thepin 13 which acts as a shaft for the pulley wheel 8. The slight indentation 141: in the ear 9 around the hole 11 and the indentation 15 in the ear 10 around the hole 12 serve as a bearing surface for the side of the pulley wheel 8. v

While I have described and illustrated a preferred construction of my invention and one which has been worked out for commercial use, it will be apparent that many changes and modifications thereof will readily suggest themselves to those skilled in the art and therefore I do not desire to be limited to the exact structure as shown Copies of this patent inay be obtained for and described but aim to cover all that which comes within the spirit and scope of smooth protective casing open only at the point where the integrally formed ears pro- Ject, a weight member inclosed in said casing and protected on all sides, and means for suitably holding said cup-shaped members together to inclose said weight member.

2. A cord weight including a pair of flat similarly formed members, integrally formed ears extending from the peripheries of said members, a portion of said integrally formed ears being pressed inwardly to form bearing surfaces for a rotatable member by which said cord weight is suspended, the" remaining portion of the periphery of said members being curved inwardly to meet contiguously to form an inclosmg casing,

a weight member shaped to fit within said casing members, and means for suitably holding said casing members together to protect said weight member. f

Signed by me at Chicago, in the county of Cook and State of Illinois, in the presence of two witnesses.

ALFRED H. WEISS, Witnesses G. E. MUELLER, B. OB IEN.

iive cents each, by addressing the Commissioner of Iatents, Washington, 20. G.

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