US192706A - Improvement in railroad-gates - Google Patents
Improvement in railroad-gates Download PDFInfo
- Publication number
- US192706A US192706A US192706DA US192706A US 192706 A US192706 A US 192706A US 192706D A US192706D A US 192706DA US 192706 A US192706 A US 192706A
- Authority
- US
- United States
- Prior art keywords
- bar
- spring
- railroad
- levers
- improvement
- 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
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/08—Operation of gates; Combined operation of gates and signals
- B61L29/18—Operation by approaching rail vehicle or train
- B61L29/20—Operation by approaching rail vehicle or train mechanically
Definitions
- a lug, c which is pivoted to a lug, d attachedto the center of the bar D.
- the bar D is placed at the inner side of and paral e1 with the head of the rail B.
- the levers E are pivoted at their centers to bars F attached to the ties A in such position that the pivots of the said levers may be in line with the axis of the gate (J.
- the springsH- are of such a strength as to draw the levers E into and hold them in a vertical position, and thus raise the gate 0 and hold it erect.
- I is a long spring, the middle part of which is attached to the middle part of the bar D, and which is so formed that its ends may tend to rise above the ends of the said bar D.
- the ends of the spring I are bent downward into hook form to underlap the ends of the bar D,
- the first effect is to push the spring 1 and bar D before it, and bringing the levers E and gate 0 into an inclined position, so that as the wheels advance upon the spring I and bar D they may force said spring and bar downward, bringing the levers E and gate 0 into a horizontal position.
- the spring I and bar D must be of such a length that some of the wheels will always be upon them until the whole train has passed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Meat, Egg Or Seafood Products (AREA)
Description
E. W. MO'YER.
I RAILROAD-GATE.
N9. 192 706. Patented July 3, 1877..
@=Q=DL WITNESSES: I
"P572115, FHDTO-L|TMOGRAPHER, WASHINGTON. D c.
UNITED STATES ELIAS W. MOYER, OF BERNVILLE, PENNSYLVANIA.
IMPROVEMENT lN RAlLROAD-GATES.
Specification forming part of Letters Patent No. 192,706, dated July 3, 1877; application filed January 19, 1877.
To all whom it may concern: I
Be it known that I, ELIAS W. Movies. of Bern ville, in the county of Berks and State of Pennsylvania, have invented a new and use fnl Improvement in Railroad Gate, of which the following is a specification The figure is a view of the inner side of the rail of a railroad-track to which my improve.
'ment has been applied, the ties being shown in cross-section.
' taehed to the ties A, and to it in line with the parallel bars is attached a lug, c, which is pivoted to a lug, d attachedto the center of the bar D. The bar D is placed at the inner side of and paral e1 with the head of the rail B. To the bar D, toward its ends, are attached two lugs, 61 similar to the lug d, and which are pivotedto the upper ends of two short levers, E. The levers E are pivoted at their centers to bars F attached to the ties A in such position that the pivots of the said levers may be in line with the axis of the gate (J. To the lower ends of the levers E are pivoted the upper ends of the rods G, the lower ends of which are attached to the ends of the springs H. The other ends of the springs H are attached to the ties A. The springsH- are of such a strength as to draw the levers E into and hold them in a vertical position, and thus raise the gate 0 and hold it erect.
I is a long spring, the middle part of which is attached to the middle part of the bar D, and which is so formed that its ends may tend to rise above the ends of the said bar D. The ends of the spring I are bent downward into hook form to underlap the ends of the bar D,
and prevent the ends of the said spring I from rising too high above the ends of the said bar D. f
With this construction, when the wheel of an advancing car strikes either end of the spring I, the first effect is to push the spring 1 and bar D before it, and bringing the levers E and gate 0 into an inclined position, so that as the wheels advance upon the spring I and bar D they may force said spring and bar downward, bringing the levers E and gate 0 into a horizontal position.
As the wheels pass off the spring I and bar D, the springs H again draw the levers E into a vertical position, again raising the gate 0, and the spring I and bar D ready ated by the car-wheels.
The spring I and bar D must be of such a length that some of the wheels will always be upon them until the whole train has passed.
Having thus described m yinvention, I claim as new and desire cut-- 1. The spring H, attached at one end to rods G, and at the other to ties A to bring andhold levers E in vertical position, as shown and described.
2. The spring I, attached at its middle to the middle of bar D, and having book ends to secure by Letters Patthat overlap the ends of bar D, substantially as and for the purpose specified.
ELIAS W. MOYER.
Witnesses:
ALBERT F. Salmon, 0. G. BLAT'I'.
PATENT 'OFFIoE.
to be oper-'
Publications (1)
Publication Number | Publication Date |
---|---|
US192706A true US192706A (en) | 1877-07-03 |
Family
ID=2262112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US192706D Expired - Lifetime US192706A (en) | Improvement in railroad-gates |
Country Status (1)
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US (1) | US192706A (en) |
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0
- US US192706D patent/US192706A/en not_active Expired - Lifetime
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