USRE8153E - Improvement in car-couplings - Google Patents

Improvement in car-couplings Download PDF

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Publication number
USRE8153E
USRE8153E US RE8153 E USRE8153 E US RE8153E
Authority
US
United States
Prior art keywords
coupling
nose
head
draw
couplings
Prior art date
Application number
Other languages
English (en)
Inventor
Elt H. Jaxney
Original Assignee
by mesne assignments
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  • Figure 1 represents a perspective view of the draw-head proper;
  • Fig. 2 a perspective view of the rotary hook and pivot-pin;
  • Fig. 3' a sectional elevation of the lockinglever;
  • Fig. 4 aplan view of a. single coupling complete;
  • Fig. 5, a front yiew-of the same;
  • Fig. 6, a plan view of two couplingsin position for coupling;
  • Fig, '7 a plan view of two couplings united;
  • Fig. 8, a plan view of the same. in the position assumed in turning curves;
  • Fig. 9, a plan view of two couplings brought together without uniting;
  • Fig. 10 a plan view of two couplings, each of which has its movable portion in its open position;
  • Fig. 9 a plan view of two couplings, each of which has its movable portion in its open position;
  • Fig. 10 a plan view of two couplings, each of which has
  • a represents the draw-head-proper,' which may. be constructed generally in any suitable form. ever, with an extended portion, a, which projects forward from the front face of the main portion sufliciently far to form a suitable recess, n for receiving the proper parts of the fellow coupling.
  • This extension which is rigidly united to the main portion, forms, in fact, a shank for supporting the'independent hooknose hereinafter described.
  • a represents a recess 'centrall y located on a vertical line through the shank a, nearits front end,'which It is essentially provided, how
  • tical openings extending through the ears of the shank a, which are adapted to receivethe a a represent verpivot-pin upon which thehub of the pivoted nose rotates.
  • the draw-head is also provided, upon that side which is opposite to the extension a, with an extended portion, a, which projects for- .ward from the main portion of the draw-head beyond the transverse line :10, Fig. 7, reached by the extreme end of the opposite coupling, when thepa-rts are coupled andunder draftstrain, as shown, for the purpose of preventing absolutely, under any circumstances, the separation of the "coupled parts by lateral movement.
  • This extension also, by means of its inclined face, serves as a guide to properly direct the parts as they come together.
  • a Figs. 1, 5, and 11 represents ahorizontal recess formed .in the front end of the drawhead, which is adapted to receive the leverarm 7), Figs. 2 and 11, of the pivoted nose, as shown. extending about the front edges of thedrawhead upon its upper andlower faces, which is 0. represents a projecting Fib or flange.
  • Fi'gs. 1 and 7 represent slotted open-- ings in the upper and lower faces of thedrawhead,--wliich are adapted to receive the lock ing-leveij hereinafter described.
  • B represents whatma'y be termed-a hooknose,-consisting of avertical bar, b, nearly triangular in crosssectio'n, the inner -face b ofwhich is curved to correspond with the circular and of the draw-head shank a, against whichit bears, as shown in Fig. 4, the bear ing-face b of which is provided with proper curves -for permitting the parts to interlock when in their coupled p0si tion,'as shown in" Fig. 7, and the outer face b? of which is curved to furnish a proper inclinedbearing-snrface' to -fit properly the recess of the opposite coupling when the parts are in their coupled posipurposes hereinafter explained.
  • ⁇ b,'-Fig. 2 represents theLhub of thehooknose, which is secured to the vertical center of the same,- upon its inner face, and is provided with a vertical opening, b, for the pivot-pin;
  • the leveri-nto proper position to lock the lever of the entrance in proper y-position to beacied upon by the-entering portion,as shown.
  • the-cars may be brought to 'gether in the same manner'as when other antomaticcouplihgs are employed-that is,with sufiicient forceto-canse the parts to engage 'with each other.
  • the leverarm which extends across the entrance, will be struck by the entering; part of the fellow coupling; and be consequently swung around on its axis intothe horizontal recess of the draw-head; The rearward movement of thisarm continues until itsextreme rear end has passed beyond the locking-lever, as shown in Fig.
  • A- segment-only ofthepi'nion is employed :0, one ofy-whieh is made longer thanztheother, 5 tov obtain, when locked, leverage and; holding power in resi'stih .tjhe -draftstrain.
  • rack-bar also has onlytwo teeth, in at, and
  • levera'r'nia has swung out of the line-of moveshank of which is formed by the draw-head By thetrotation .5 of the lever-arm the piv- 'th the teethof the pin.
  • the movable. portion B has also been considered'as a pin-o ion-segment, the axis of whichis simply supported by the draw-head;
  • the nose portion in this view of the case,is not a hook, but simply a pinion-tooth of modified form, the leverarm being another tooth of the same series.
  • the movable portionBasawholethat is, as
  • the guard-arm serves, by means of its in'- clined face, to guide the parts properly as they come together. If desired, both of the movable parts of the coupling may be opened to effect a coupling,

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