US668300A - Insulating-support for electrical conductors. - Google Patents

Description

Patented Feb. I9, 190i. H. E. W-AITE.

INSULATING SUPPORT FOR ELECTRICAL CONDUOTORS.

(Applicntion filed Nov. 18, 1900.)

(lo Iodol.)

we humus Tn: roams PETERS cc. mom-Ln UNITED STATES PATENT OFFICE.

HENRY E. WAITE, OF SAN FRANCISCO, CALIFORNIA.

INSULATING-SUPPORT FOR ELECTRICAL CONDUCTORS.-

SPECIFICATION forming part of Letters Patent No. 668,300, dated February 19, 1901.

Application filed November 16, 1900. Serial No. 36,767. (No model.)

To all whom it may concern/.-

Be it known that I, HENRY E. WAITE, a citizen of the United States, residing in the city and county of San Francisco, in the State of California, have invented certain new and useful Improvements in Insulating-Supports for Electrical Conductors, of which the following is a specification.

My invention relates to insulating-supports for electrical conductors, but more particularly to an insulatingsupport for the collectors or combs of influence-machines.

Heretofore the collectors of influence-machines have been horizontally supported from the machine-casing by means ofhard-rubber insulators, as illustrated in the United States patent granted to me May 9, 1893, No. 497,226. These rubber insulators, however, tend to soften and bend or become distorted by the weight of the collector and its holder upon a rising of the temperature within the air-tight casing of the machine, the combs thus being allowed to rub against the revolving plates, interfering with the action of the machine and in some cases destroying the plates. To remedy this difficulty, I have devised a collector-support of simple construction which combines the advantages of hard rubber as an insulator with the stilfness when exposed to heat necessary to prevent the collectors from touching the revolving plates in an influence-machine and obviate the necessity for continually adjusting the collector. While this is one use to which my insulator may be put, it is obvious that its use is not confined to influence-machines, but it may be applied in other cases where an insulating-support of hard rubber or other like material is required to retain its rigidity under heat.

In the accompanying drawings, Figure 1 is a side elevation, partly in section, of the insulating-support and a collector, while Fig. 2 is an end view on the line 00 at of Fig. I. Fig. 3 is a section of another form of support.

In the drawings, A represents a piece or plug of insulating material, as hard rubber or the like, being a material which softens or becomes distorted under heat and pressure, with screw-threaded recesses a and bin its ends, in one of which recesses 17 a supporting rod B for the collector or comb O of an iuflu once-machine is adapted to screw.

D is an insulating-socket, preferably of glass, but any suitable insulating material, as porcelain or wood, of the required rigidity which preserves its stifiness under a slight excess of heat may be used. In the center of the bottom of socket D a bolt-hole c is pierced, which is adapted to register with re cess a in one end of the hard-rubber piece A when the latter is snugly fitted or embedded within socket D, which supports it.

In my construction, as will be seen, no

screw-th reads are necessary between the rub-' ber piece or plug A and socket D, the plug merely fit-ting tightly within the socket.

E represent-s part of the casing of an influence-machine or any other piece or block to which my support may be fastened. As shown, a bolt F is passed through the socket and engages with the threads in recess a of plug A. The shank of the bolt is passed through a hole 6 in the casing E, and a nutf on the end of the bolt secures the whole support to the casing, and by this means also the hard-rubber plug is securely held within its socket without the aid of screw-threads.

In the form shown in Fig. 3 the insulatingsocket D is shown as provided with a laterall extendin flan e D which aids in insu-.

lating the supporting-rod B as it increases the insulating distance between the rod and the sides of the case, so that the current is not likely to jump from the rod to the case when the collectors are highly charged.

Without limiting myself to the precise details as shown in the drawings, I claim as my invention-- 1. An insulating-support for electrical condoctors, consisting of a plug of hard rubber to which the conductor-is removably fastened, the saidplug being embedded within and supported by a socket of insulating material which prevents the plug from becoming distorted by heat and by the weight of the conductor, substantially as described.

2. An insulating-support for the collectors of influence-machines, consisting of a plug of hard rubber tightly fitting within a rigid ini a rigid insulating socket having a lateral sulating-socket, the said plug having screw flange, substantially as described.

threaded recesses initsends, ouebeingadapt- In testimony whereof I have signed my ed to receive and hold a collector and the name to this specification in the presence of 5 other to hold a bolt which passes through the two subscribing witnesses.

socket for fastening the support to a casing,

T substantially as described. HEB RY \VAH 3. An insulating-support for electrical coniVitnesses: ductors, comprising a plug of hard rubber, a G. A. V. FOLKERS,

1o collector-supporting rod mounted therein,and GEO. A. YOUNG.

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