US1963003A

US1963003A - Brace for the cross arms of poles

Info

Publication number: US1963003A
Application number: US657455A
Authority: US
Inventors: Speer Alex; Albert W Higgins
Original assignee: Individual
Current assignee: Individual
Priority date: 1933-02-18
Filing date: 1933-02-18
Publication date: 1934-06-12
Anticipated expiration: 1951-06-12

Description

June 12, 1934. A, SPEER 'A 1,963,003

BRACE FOR THE CROSS ARMS OF POLES Filed Feb. 18, 1933 Patented June 12, 1934 UNITED STATES BRACE FOR THE CROSS ARMS F POLES Alex Speer and Albert W. Higgins, St. Petersburg, Fla.

Application February 18,1933, Serial No. 657,455

1 Claim.

This invention relates to an improved brace for the cross arms of electric power poles or the like, and has for its object to provide a brace which is interchangeable from one side of a pole to the other and therefore diflers from braces of this kind now in use which are made in pairs, one member of each pair being right handed and the other left handed, so that they cannot be used interchangeably.

In the accompanying drawing Fig. 1 is an elevation showing the improved brace in operative relation to a pole and cross arm. Fig. 2 is an enlarged side view of the central parts of the improved brace, and Fig. 3 detail bottom view of the parts shown in Fig. 2.

Referring to the drawing, 12 denotes a portion of a pole, and 13 a cross arm secured to the pole by a bolt 14. The body parts of the brace members 15 are of tough wood, preferably hickory, these members being attached at their upper ends to the cross arm 13 by brackets 16 bolted to the members 15 and to the cross arm Secured by bolts 17 to the lower parts of the wooden members 15 are plates 18, preferably of galvanized mild steel. These plates 18 are bent inwardly toward each other, at 18*, as clearly shown in Fig. 3, and the wooden members 15 are tapered inwardly to fit between these inwardly bent parts of the plates 18. The flat lower ends 18 of these plates 18 are brought near to each other and these two sets of these ends 18 are overlapped together, as clearly shown in Fig. 3, these overlapped ends being attached to the pole 12 by a bolt 19 which clamps these flat overlapped ends tightly to the said pole, and thus secures the wooden cross arms of the brace in place.

From the foregoing it will be understood that strain on the cross arm 13 will be transferred to the pole 12 at the overlapped end of the plates 18, with comparatively little strain on the attachment bolts at the upper and lower parts of the brace members 15. It will also be obvious that the improved brace is adapted to be secured to either side of a pole, as 12.

Having thus described our invention we claim and desire to secure by Letters Patent:

A brace, for the cross arm of a pole, consisting of wooden body members provided at their upper ends with means for attachment to the cross arm of a pole and having tapered lower ends, combined with metal plates bolted to the opposite sides of said wooden body members and having inwardly bent parts fitting against said tapered ends of said body members, said inwardly bent parts terminating in flat lower ends, the flat lower ends of one member overlapping and alternating with the similar ends of the other member, so that the two sets of metal plates may be secured to a pole by a single suitable bolt. 35

ALEX SPEER. ALBERT W. HIGGINS.