USRE3584E - Improved railway-frog - Google Patents
Improved railway-frog Download PDFInfo
- Publication number
- USRE3584E USRE3584E US RE3584 E USRE3584 E US RE3584E
- Authority
- US
- United States
- Prior art keywords
- frog
- rails
- chairs
- improved railway
- bolted
- Prior art date
Links
- 210000003739 Neck Anatomy 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 230000002459 sustained Effects 0.000 description 1
Images
Definitions
- drawing- Figure 1 rcpresentsa plan or top view of this inven- Y tion when the parts are'detached.
- Figures 2 and .3 arc transverse sections thereof, taken, respectively, in the planes indicated by the lineaxz and y y,g, l...
- This invention relates to a 1'ailroad-fiog,"-wliich is combined with c-hair'sat its ends, made Ato support both the frog and the rails, and provided with holes in such a manner that each chair can b'e readily bolted io the frog, or the frog, together with the chair,'can
- the ends of the l'rog are slotted and dovetailed to receive the necks ol' the rails, andretain the same firmly in position, and said frogis provided with lugs or ears, at o1' near its ends, so that the same can be firmly and convenicntly secured to the ties, and that the frog is not liable Vto spring up or become' displaced.
- Each of the chairs is provided with a recess, to receive and support the mils, and, if desired, said chairs may be made to extend from one cross-tie to the other.
- the rails are finnly supported, an ndditiona-lhold, ⁇ being provided by the dovetailed endsl of the frog against side-thrusts; but, Ieven without those dovetailed ends, the rails being sustained by the chairsI which are fastened to .the frog, are not liable to be thrown out ot' their proper position by the trains passing over them, and, furthermore, the frog can be readily adapted to rails of diiierent size simply by changing the chairs, differentn sizes of which maybe My frog is provided wit-h lugs or cars, d, 'at 0r near its ends, so that it canbe firmly spiked or bolted upon the ties, either simultaneously with or independent oi' the chairs.
Family
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