US22607A - Elastic draw-bab and btjmpek - Google Patents
Elastic draw-bab and btjmpek Download PDFInfo
- Publication number
- US22607A US22607A US22607DA US22607A US 22607 A US22607 A US 22607A US 22607D A US22607D A US 22607DA US 22607 A US22607 A US 22607A
- Authority
- US
- United States
- Prior art keywords
- btjmpek
- bab
- elastic
- elastic draw
- draw
- 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
Links
- 210000003128 Head Anatomy 0.000 description 14
- 230000001808 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 240000002027 Ficus elastica Species 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000036461 convulsion Effects 0.000 description 4
- 229920001195 polyisoprene Polymers 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
Description
. T. J. MAYALL. ELASTIC DRAW BAR ANDBUMPER.
No. 22,607. Patented Jan. 11,1859.
UNITED STATES PATENT OFFICE.
THOS. J. MAYALL, OF ROXBURY, MASSACHUSETTS, ASSIGNOR TO HIMSELF, AND BENJN. F. GOOKE, OF BOSTON, MASSACHUSETTS.
ELASTIC DRAW-BAR AND BUMPER.
To all whom it may concern:
Be it known that I, T. J. MAYALL, of ROX- bury, in the county of Norfolk and State of Massachusetts, have invented a new and Improved Elastic Duplex Draw-Bar and Bumper, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, making part of this specification, in which Figure 1 represents my improved draw bar when not in use; Fig. 2 a view of the same as it appears when distended as in the act of drawing a car or train; Fig. 3, shows it when compressed by the crowding of the cars together; Fig. 4: a perspective view of the bar without the elastic cylinder.
My invention has for its object to do away with those disagreeable jerks and shocks which are felt by the passengers of a railway train, when the engine is suddenly stopped or started.
To enable others skilled in the art to understand my invention I will proceed to describe the manner in which I have carried it out.
A, A are cross heads of the form represented in Fig. 4, which slide freely upon the side bars B. These bars are connected with the eye C, through which passes the coupling pin, and they also carry the collars D, which interrupt the motion of the head A in one direction, the motion of the other head A upon the bars B being limited by the nuts f upon the ends of the bars. The heads A, A are kept apart as in Fig. 1, by a hollow elastic cylinder of vulcanized india rubber E. Through the center of this cylinder and also through the holes 9 of the heads A, A passes a rod K having at one extremity an eye L for the reception of the other coupling pin, also a collar h, and at the other end a nut m, Between the heads A A and the collars and nuts are placed the short india rubber blocks or washers (Z the object of which is to prevent the noise and shock arising from the sudden contact of the metallic heads with the nuts and collars as the train is stopped or started.
Operation: The cars are coupled by passing the coupling pins of two adjacent cars through the eyes C and L, the diameters of these eyes being as near to that of the pins as may be that there may be'no jar or jerk arising from lost motion at these points. When thus arranged if the engine be started whether it be gradually or suddenly the strain is brought upon the elastic cylinder which is thus compressed as in Fig. 2, an amount proportional to the strain upon it, and when the steam is shut off or the engine is backing the train the drawn bar assumes the position represented in Fig. 3 the compression of the elastic rubber cylinder being proportional to the force with which the cars are crowded together. It will thus be perceived that whether the draw bar be sub jected to a force of tension or compression 7
Publications (1)
Publication Number | Publication Date |
---|---|
US22607A true US22607A (en) | 1859-01-11 |
Family
ID=2089289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US22607D Expired - Lifetime US22607A (en) | Elastic draw-bab and btjmpek |
Country Status (1)
Country | Link |
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US (1) | US22607A (en) |
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0
- US US22607D patent/US22607A/en not_active Expired - Lifetime
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