US465034A

US465034A - Edmond verstraete

Info

Publication number: US465034A
Authority: US
Publication date: 1891-12-15
Anticipated expiration: 1908-12-15

Description

2 Sheets-Sheet (No Model.)

E. VERSTRAETE.

ELEGTEIG GAE EEAKE.

No. 465,034. Patented Deo. 15,1891.

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2 Sheets-Sheet 2.

(No Model.)

E. VERSTRAETE.

ELECTRIC GAR BRAKE.-

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UNITED STATES PATENT OEEICE.

EDMOND VERSTRAETE, OF ST. LOUIS, MISSOURI, ASSIGNOR OF ONE-HALF TO PETER M. KLING, OF SAME PLACE.

ELECTRIC CAR-BRAKE.

SPECIFICATION forming part of Letters Patent No. 465,034, dated December 15, 1891.

Application filed February 5, 1891. Serial N o. 380,344. (No model.) l

T all whom t may concern:

Be it known that I, EDMOND V Ens'rRAE'rE, of St. Louis, Missouri, have invented a certain new and usefullmprovemeut in Electric Car- Brakes, of which the following is afull, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

My present invention relates to the solenoid ro class of electric brakes intended more particularly for use on street-cars; and my in- -vention consists in features of novelty hereinafter fully described, and pointed out in the claims.

' 15 Figure I is a top or plan View illustrative of my invention. Fig. II is a side view. Fig. III is a section taken on line III III, Fig. II. Figs. IV and V are diagrams illustrating the manner of Wrapping the solenoids referred zo to. Fig. VI is a bottom View illustrating the application of my invention to a car-brake'.

Referring to the drawings, 1 represents a cast-iron rectangularframe composed of sides 2 and ends 3 3u.

2 5 4t represents a cross-head fitting within the frame and having tenons or shoulders 5 fitting in slots 6 of the sides 2.

7 represents a chain connecting the crosshead e to the brake-levers, andV this chain 3o passes between grooved rollers 8, journaled in the end 3 of the frame, the rollers serving to guide the chain and keeping the magnets always under a straight pull. Between the end piece 3 and the sides of the frame are brass blocks 3b, which, with the brass crosspiece 14, constitute non-magnetic connections.

9 represents the magnets secured to the cross-head II and which enter the solenoids, as shown in Fig. III. The solenoids are com- 4o posed of a number of different sections 10, ll, 12, and-13, arranged Within the frame and supported at the out-er end by the end piece 3 of the frame l and at the inner end by a brass cross-piece 14, as shown clearly in Figs.

I and III. The sections of the solenoids are wound separately, so as to enable me to make any desired combination of sections, the ends of the wires of the different sections being brought out, as shown in Figs. IV and V, so

5o that any desired two may be connected together. The sections 11 are larger than the other sections, so as to cause a quick and strong movement of the magnets when they first commence to move.

l5 represents the pole-pieces of a small 5 5' horseshoemagnet, having pole connecting piece 16 formed in one part with the end 31L of the frame 1. The pole-pieces have stems 17 with heads 18 on their outer ends, the stems 17 fitting loosely in openings or perforations 6o in the piece 16 .so as to permit the pole-pieces to move in the solenoids.

' The operation is as follows: When the current is put on, the solenoids draw the magnets 9 inward, and the pole-pieces or magnets 65 l5 also tend to draw the magnets 9 inwardly. The magnets 9 will finally come in contact with the pole-pieces 15, when the magnets and pole-pieces will move together until the pole-pieces come against the end In the 7o reverse movement of the magnets 9 the polepieces will be drawn back until the heads 18 of the stems 17 come against the part 16, and then the magnets 9 will leave the pole-pieces and move to the position shown in Fig. III. The pole-pieces have rubber or other suitable facings 15a to prevent `too much adhesion between the pole-pieces and the magnets.

A brake thus constructed is more powerful than any solenoid-brake I have ever seen. 8o

I claim as my invention- 1. In an electric car-brake, the combination of the frame, a sliding cross-head, a magnet secured to the cross-head, andl a 'sectional solenoid, one of said sections being larger 8 5 than the others, substantially as and for the purpose set forth.

2. In an electric car-brake, the combination of a frame, a sliding cross-head, magnets secured to the cross-head, sectional solenoids, 9o and pole-pieces 15, and the pole-connecting piece 16, substantially as and for the purpose set forth.

3. In an electric car-brake, the combination of a frame, a sliding cross-head, magnets secured to the cross-head, sectional solenoids, pole-pieces l5, and pole-connecting piece 16, the pole-pieces having stems 17 fitting in perforations in the piece 16, and having heads 1S, substantially as and for the purpose set forth. loo

et. In an electric car-brake, the com bination of the frame, a sliding cross-head, magnets secured to the cross-head, sectional solenoids, Y G. In an eleetrio'czLr-brzike, the combination and pole-pieces 15, one of the sections of each of the frame, solenoids, magnets, and polero solenoid being larger than its other sect/ions, pieces, said pole-pieces having facings 15, as substantially as and for the purpose set forth. set forth.

5. In an electric car-brake, in combination Y EDMOND VERSTRAETE. with the frame, magnets, and solenoids, the 1n presence ofbrass cross-piece 14, and brass blocks 3b, as E. S. KNIGHT,

set forth. Y A. M. EBERSOLE.