US1566145A - Loom clamp - Google Patents

Description

Dec. 15,1925- 1,566,145

M. LARSON LOOM CLAMP Filed March 1. 1924 IN V EN TOR.

FHHRTIN LHRSUN Cii Patented Dec. 15, 1925.

MARTIN LARSON, OF SAN FRANCISCO, CALIFORNIA.

, 1.00M CLAMP.

Application filed March 1, 1924.

To all whom 2 2 only concern:

Be it known that I, MAn'riN Lnnsox, a subject of the King of Sweden, residing at San Francisco, in the county of San Francisco and State of California, have invented new and useful Improvements in Loom Clamps, of which the following is a speci lication.

This invention relates to improvements in loom clamps and has particular reference to a device for securing loom in a junction box so that accidental withdrawal therefrom will be prevented.

The principal object of this invention is to construct a device of this character which simple and therefore cheap to manufacture.

A still further object is to produce a device which may be easily inserted into locking position.

Another object is to produce a device which will not injure the loom being locked thereby.

Another object is to produce a device which cannot cause a short circuit due to the cutting of the loom by the clamp.

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification,and in which like numerals are employed to designate like parts throughout the same,

lijgure 1, is a perspective view of my device in use,

Figure 2 is a vertical cross section of a junction box and loom secured together by my device,

Figure 3 is a top plan view of my clamp, and

Figure 4: is an end elevation of my clamp.

At the present time the locking means commonly employed for securing a loom to a junction box becomes loose which causes the loom to fall out. I have therefore devised a clamp which is so shaped that movement of the loom in either direction will cause a tipping action of the clamp and therefore a. wedging action. In Figure 1, the numeral designates a junction box,

Serial No. 696,320.

and the numeral 6 the ordinary loom being secured thereto. This junction box is provided with openings as shown at 7, 8, 9 and 11.

Referring to Figure 3 it will be noted that my clamp has a base portion 12 and upturned sides 13 and 141. These sides are curved so as to provide horns 16, 17, 18 and 19, while recesses 21 and 22 are formed in the upturned sides 13 and 14.

The manner of using my device is as follows:

The end of the loom 6 is passed through one of the openings in the junction box as for instance, the opening 11 so as to protrude about one inch into the junction box, after which one of my clamps is pressed through the opening causing a slight depression on the loom as shown at This placing of the clamp will cause the recesses 21 and 22 to engage the junction box as best shown in Figure 2. In this. position, the horns 16, 17, 18 and 19 will straddle the 100111, resulting in a slight gripping action with the result that movement in either direction will cause the clamp to tip thus causing a greater clamping or retaining of the loom against withdrawal, which tipping action is best illustrated in Figure 2.

It is to be understood that the form of my invention, herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape size and arrangement of parts may be re sorted to without departing from the spirit oi" the invention, or the scope of the sub joined claim.

Having thus described my invention, I claim:

In a device of the character described, a base, upturned sides secured to said base, said sides being formed upon an arc and tapered from one extremity toward the other extremity and comprising horns adapted to engage the sides of the loom, said sides having recesses formed substantially mid-way of their length.

In testimony whereof I amx my signature.

MARTIN LARSON.

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