US714258A - Stop-block for broken or headless knuckle-pins. - Google Patents
Stop-block for broken or headless knuckle-pins. Download PDFInfo
- Publication number
- US714258A US714258A US11003502A US1902110035A US714258A US 714258 A US714258 A US 714258A US 11003502 A US11003502 A US 11003502A US 1902110035 A US1902110035 A US 1902110035A US 714258 A US714258 A US 714258A
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- US
- United States
- Prior art keywords
- pin
- knuckle
- headless
- broken
- pins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
Description
No. 7I4,258. Patented Nov. 25, |902.
` G. TAGGART.
` STOP BLOCK FOR BROKEN 0B HEADLESS KUNCKLE PINS.t
(Application filed June 3. 1902 v UNITED STATES PATENT UFFICE.
GEORGETAGGART, on oLArHE, KANSAS, AsSIeNon or ONE-HALF To MICHAEL cLnARY, on PAOLA, KANSAS.
STOP-BLOCK FOR BROKEN OR HEADLESS KNUCKLE-PIINS.
SPECIFICATION forming part of Letters Patent No. 714,258, dated November 25, 1902.
Application filed June 3, 1902. Serial No. 110,035- (ND modem To all whom it 17T/ary concern;
Beit known that I, GEORGE TAeGART,a citizen of the United States, residing at Olathe, in the county of Johnson and State of Kansas, have invented certain new and useful Improvements in Stop Blocks for Broken or Headless Knuckle-Pins, of which the following is a specification.
My invention relates to that class of carcouplers of the Janney type equipped with means to support broken knuckle-pins, and thereby eifect an equal distributionof strain on both parts of the pin and both arms of the coupler.
The object of my invention is to produce as a part or attachment to the coupler a stopblock having a shelf whereon the kn uckle-pin may rest and an opening vertically below the pin through which a bar or rod may be passed to force the pin upward out of the coupler.
To this end the invention consists in certain novel and peculiar features of construction and combinations of parts, as hereinafter described and claimed, and in order that the invention may be fully understood reference is to be had to the accompanying drawings, in which- Figure l represents a vertical section taken through the knucklereceiving arms of the coupler of the J'anney type, the same being shown as equipped with means embodying my invention. Fig. 2 is an inverted plan View of a portion of the same. Fig. 3 is a detail perspective View, enlarged, of the pin-supporting device as preferably constructed when used as an attachment to an old coupler.
Referring now to the drawings in detail,
where like reference-numerals designate corresponding parts, 4l designates a coupler of any suitable or preferred type, and 2 the upper and lower knuckle-receiving arms` thereof, said arms being perforated in the usual man ner to receive the pin, hereinafter referred to. Depending from the lower arm at opposite sides of its pin-perforation are walls 3, these being designed to be cast integral with `new couplers. The Walls are preferably imperforate and are connected by a cross piece or shelf 5 at their lower ends, said cross-shelf being centrally perforated, as at 6, with a hole smaller than the diameter of the pin referred to below. l
In the modification shown in` Fig. 3 the walls 3" are preferably segmental, the space 7 between them corresponding to the space between walls 3 of Fig. l. In said figure, also, one of the segmental walls is formed with a perforated arm 8, adapted to be attached by a screw-bolt (not shown) to the lower knuckle- .receiving arm 2 of an old coupler.
9 designates a headless knuckle-pin, the same extending down through arms 2 and the interposed knuckle lO of the coupler, the pin resting at its lower end upon the shelf 5 between the walls 3 and directly over the hole 6. A spring-cotter ll maybe secured inthe lower end of the pin, the space between walls 3 being to enable the cotter to be secured in or removed from position.
In Fig. 4L the cotter or its equivalent is absolutely necessary, as in said ligure its prime function is to prevent descending movement of the pin.
From the foregoing it will be seen that the breakage of the pin,which frequently occurs, will not be followed bythe dislodgement of either part, nor will such breakage impose all of the strain upon either of the walls 2. It will, however, be applied by the two sections of the pin upon both walls, and as a result the period of service of the coupler will not be shortened.
When the car arrives at a point where it is convenient to replace the broken pin by a new one, the trainman can remove the pin by iirst removing the cotter and forcing the pin upwardly, introducing a rod through the hole 6 for this purpose.
It will thus be seen that I have produced what I prefer to call a stop-block for broken and headless knuckle-pins, which embodies the feature of advantage enumerated as desirable and which as an attachment can be easily and quickly applied to old couplers and which when cast as an integral part of the couplers will increase the'cost of the latter but little more than the market value of the eXtra iron used. It will also be apparent that said stop-block is of simple, strong, and durable construction and may be varied in minor particulars Without departing` from the spirit and scope of the appended claims.
Having thus described the invention, what I claim as new, anddesire to secu re by Letters Patent, is
l. The combination with a coupler of the Janney type, and a headless knuckle-pin therein of the same size throughout its length; of a stop-block comprising two walls depending from the lower knuckle-arm at opposite sides of its pin-opening, and a shell connecting the lower ends of these Walls and passing completely below the pin, said shelf having a hole concentric with the pins axis but smaller than its diameter, all as and for the purpose set forth.
2. The combination with a coupler of the Janney type, and a headless knuckle-pin therein of the same size throughout its length; of a stopeblocl comprising two segmental walls depending from the lower knuckle-arm at opposite sides of its pin-opening and spaced at their adjacent edges, a shelf connecting,r the lower ends of these walls and passing 'completely below the pin, said shelf having a hole concentric with the pins axis but smaller than its diameter, and a cotter standing within said space above the shelf and passing through the pin, and all as and for the purpose set forth.
In testimony whereof I aiiix my signature in the presence of two witnesses.
GEORGE TAGGART. Witnesses:
I-I. C. RoDGERs, G. Y. THORPE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11003502A US714258A (en) | 1902-06-03 | 1902-06-03 | Stop-block for broken or headless knuckle-pins. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11003502A US714258A (en) | 1902-06-03 | 1902-06-03 | Stop-block for broken or headless knuckle-pins. |
Publications (1)
Publication Number | Publication Date |
---|---|
US714258A true US714258A (en) | 1902-11-25 |
Family
ID=2782780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11003502A Expired - Lifetime US714258A (en) | 1902-06-03 | 1902-06-03 | Stop-block for broken or headless knuckle-pins. |
Country Status (1)
Country | Link |
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US (1) | US714258A (en) |
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1902
- 1902-06-03 US US11003502A patent/US714258A/en not_active Expired - Lifetime
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