US 1210764 A
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Description (OCR text may contain errors)
F. W. COLE.
APPLICATION FILED Nov.-24. 19i5.
1,210,764. I Patented Ja11.2,1917.
l l l h FREDERICK W. COLE, F NEWTON HIGHLANDS, MASSACHUSETTS, ASSIGNOR TO GAME- WELL FIRE ALARM TELEGRAPH (10., 0F NEWTON UPPER FALLS, MASSACHUSETTS,
A CORPORATION OENEW YORK.
. 1 210 764 v Specification of Letters Patent. Patented Jan. 2,1917- Application filed November 24, 1915. Serial No. 63,322.
- To all whom it may concern: is extended diametrically through the post,
Be it known thatI, FREDERICK W. COLE, a as in Fig. 3. 55
. citizen of the United States, residing at v To hold the wire against withdrawal from 3 Newton Highlands, in the county of Middle the post, and to clamp it to secure a good 5 sex and State of Massachusetts, have inventconnection, there is provided a binding ed an Improvement in Binding-Posts, of screw 20, which is adapted to be threaded which the following is a specification. into the socket 13, and said screw has a large 60 The present invention relates to bindingfiat inner end, substantially coextensive with posts. its diameter, which provides a flat, smooth,
The object of the 1nvention involves imengaging surface 21 of considerable area for provements in construction whereby a terengagement with the wire. minal portion ,of the wire may be arranged The particular formation of the inner end 65 on a seat coextensive with the diameter of of the binding-screw makes possible the enthe post, and impinged by the binding-screw gagement with and application of pressure for a considerable length, thus to provide a to the wire along a portion of considerable long frictional bearing between the screw length, such pressure being substantially and wire, and such impingement of the teruniform throughout the engaged portion. 70 ininal portion may be of substantially the This engaging-portion of large diameter, exsame degree of pressure throughout its tending each side of its center tends to lock length, and very severe, without cutting or the screw from readily loosening, and its injuring the wire and the wire is positively end being large 'and flat also prevents it held from beingmoved about the longitudifrom cutting into and parting the wire when 75 nal axis of the body with a tendency to turn it is tightly screwed into the socket. the screw and loosen the wire, and also from To secure the binding-post to its supportbeing withdrawn. ing place, the lower end of this member is In the drawings, wherein there has been reduced in diameter to form a cylindrical illustrated the preferred embodiment of the plug 25, which seats in a bore 26, in the supso invention; Figure 1 is a side elevation. Fig. porting plate 10, and is foymed with an 2 is a vertical section on line 22 of Fig. 1. axial bore 27, into which an attaching-screw Fig. 3 is an enlarged vertical section of the 28' is extended, said screw being passed body of the post. through suitable support 30, upon which the In the drawings, 10 designates a base plate 10, is mounted. Thus, the attachingplate to which the binding-post is attached. screw clamps the plate 10 and binding-post The binding-post initially comprises a subto the support. The binding-post is held 35 stantially cylindrical body of metal 12, the against displacement from the plate 10 by upper end of which is tapped to provide an swagmg over the end-portion of its plug,
internally threaded substantially cylindrical as at 35. It will be understood that the screw-receiving socket 13, having a fiat botbinding-post may be otherwise secured to tom 14. The body 12 is pierced diametrithe plate 10, or otherwise supported.
40 cally at the bottom of the socket 13, to pro- I claim vide alined holes 15, 15, to receive a terminal A binding-post comprisin a body having portion 16 of the wire. The holes 15. 15, an internally threaded soc et in 1ts outer being located at the bottom of the socket, it end, provided with an unyielding side wall, will be observed that a horizontal plane and a flat bottom wall, the latter extending 45 gential to their bottoms is substantially in at right angles to the longitudinal axis of the same plane with the bottom of the socket the body, there being diametrically opposed 13. This especial construction has been wire-receiving holes leading through the found to be particularly eiiicient since it probody and into the socket at the bottom therevides a long uninterrupted seat or hearing of, the plane of the bottom of the socket be- 50 surface for the terminal. portion 16 of the ing tangential to the bottom portions of the wire which is to be engaged by the bindingholes, and the diameter of the socket being screw, which can grip even a wire of small several times greater than the diameter of diameter, it being understood that said wire the wire-receiving holes, and a bindingscrew threaded into the socket having a flat" inner end substantially co-extensive with its diameter for engagement with the terminal portion of'a Wire passed through the holes and extended diametrically across the bottom of the socket, the flat engaging end of said binding-screw being of a diameter several times greater than the diameter of the wire-receiving holes, so as to engage a comparatively long length of wire and to slide thereon in a transverse direction while being turned to clamp the wire,
thus providing a long frictional bearing between the screw and wire, whereby the wire is positively. heldv from being moved about the longitudinal )5 axis of the body and also from being withdrawn. 7
In testimony whereof, Ihave signed my name to this specification, in the presence of two subscribing witnesses.
' FREDERICK W. COLE; Witnesses: 7
g B. J. NoYEs, H. B. DAvis;