US789163A - Railway-switch lock. - Google Patents

Description

. PATENTED MAY 9, 1905.

M. W; LONG.

RAILWAY SWITCH LOOK.

APPLICATION FILED JULY 28. 1904.

2 SHEETS-SHEET l.

INVENTOR 0 Q6606? WITNESSES:

Mai/(v I TTOR/VE).

No. 789.163. PATENTBD MAY 9,1905.

M. W. LONG.

RAILWAY SWITCH LOOK.

APPLICATION FILED J'ULY 28.1904.

2 SHEETS-SHEET 2.

, ATTORNEY.

No. 789,163. Patented May 9, 1905'.

ivrrnn STATES 1 AT FICE...

MALCOLM W. LONG, OF HARRISBURG, PENNSYLVANIA, ASSIGNOR TO THE PENNSYLVANIA STEEL COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

RAILWAY-SWITCH LOCK.

SPECIFICATION forming part of Letters'latent No. 789,163, dated May 9, 1905.

Application filed July 28, 1904. Serial No. 218.456.

4 To (all whmn it nut/y concern: I carrying t, y inve tion 1 onne t to Be it known that I, MALCOLM IV. LONG, a the switch-in the present instance to astiifencitizen of the United States, residing at Haring-bar 15, connecting the points thereof a 5 risburg. in the county of Dauphin and State rod 16, whose free end portion 17 is widened 5 of Pennsylvania, have invented certain new vertically and is adapted to slide longitudiand useful Improvements in Railway-Switch nally in an opening or guideway 18, Fig. 3, Looks, of which the following is afull, clear, in the block 13. The free end portion 17 of and exact description, reference being had to said rod is provided with a vertical slot 19, the accompanying drawings, of which adapted to neatly receive the lever-arm 11 I Figure 1 is a plan View; Fig. 2, a side elewhen the slot is in line vertically with the latvation; Fig. 3, a section on line a; m, Fig. 1. ter. The position of this slot is such, how- This invention relates to what are known ever, that itwill not be in line with the leveras ground lever railwayswitches, and I arm except when the switch is in the closed show in the drawings a well-known type of position, and when in that position the lever 5 such switches and stands to which my imbrought down into the slot locks the switch provement is applied, although it may be apdirectly in place, while the catch 14 locks the plied to other styles of ground-levers. same indirectly by preventing the lever from The object of the invention is to provide rising. Thus it is obvious that the switchan improved means for locking the switchman will see at once when he attempts to lock 20 point in the closed position, which shall also the switch in place and the lever cannot enter act as a detector to indicate the presence of a the slot 19 of rod 16 the switch has not reached stone or other obstruction between the switchthe fully-closed position, thus indicating that rail and the stock-rail when the switch is ateither the lever has not been carried down a tempted to be thrown from the open to the suflicient distance or that there is some ob- 5 closed position. struction that prevents closure of the switch, The precise nature of the invention will apand so prevents the rod 16 from moving the pear from the following description, reference required distance to carry its slot 19 into regbeing had to the drawings. istry with the lever-arm 11. For the purpose 1 is one of the stock-rails; 2, one of the of taking up wear, &c.,I would usually make 3 movable switch-rails; 3, the bar connecting the rod 16 longitudinallyadjustable. In this the two switch-rails. instance I accomplish this by threading the A is the switch-stand, in which the vertical end thereof that is connected to the bar 15, shaft 5 is journaled and has at its lower end as seen in Figs. 1 and 3. and screw onto such a crank 6, to which is pivoted one end of the threaded end anut 20, having a projection or 35 rod 7, that is connected to the end of bar 3. projections 21, that are pivotally secured to Mounted on the shaft 5 is a segment-gear 8, alug 22 of said bar 15 by a suitable bolt 23. that engages a bevel-gear 9 on a horizontal When it is desired to shorten or lengthen, as shaft 10, to the free end of which is secured the case may be, the rod 16, the bolt 23 is 5 the weightedleverll for operating the switch. withdrawn and the nut 20 is screwed in the 4 When the lever is in the closed positionthat proper direction until the rod 16 is of the deis, when the swith. is closed, as in the drawsired length, when the parts are reconnected. ings this lever rests in a depression or slot Having thus described my invention, Iclaim 12 of a block or pillar 13 (that is spiked to as new and desire to secure by LettersPatent- 9 the tie) and is locked in that position by means 1. The combination in a railway-switch, of

45 of a suitable catch 14. the movable switch-rails, a rod connected The foregoing construction being well thereto, a lever for actuating said switch-rails, known requires no further description. and means whereby said lever is adapted to W. l a

look said rod against longitudinal movement when the switch is in the closed position, substantially as and for the purpose set forth.

2. The combination in a railway-switch, of the movable switch-rails, the rotatable lever, mechanism intervening between said switchrails and said lever whereby the switch is adapted to be opened and closed by means 01 said lever, and means for locking the switch in the closed position comprising the block having the slot adapted to receive said lever, and the rod connected to said switch-rails and extending through said block, and having the vertical slot adapted to register with and receive said lever only when the switch is in the closed position, substantially as and for the purpose set forth.

3. The combination in a railway-switch, of the movable switch-rails, the rotatable lever, mechanism intervening between said switchrails and said lever whereby the switch is adapted to be opened and closed by means of said lever, and means for locking the switch in closed position comprising the block having the slot adapted to receive said lever, and the rod connected to said switch-rails and extending through said block, and having the vertical slot adapted to register with and receive said lever only when the switch is in the closed position; together with means for locking down said lever when entered into said slot, substantially as and for the purpose set forth. 1

4c. The combination in a railway-switch, of

the movable switch-rails, the rotatable lever, mechanism intervening between said switchrails and said lever whereby the switch is adapted to be opened and closed by means of said lever, and means for locking theswitch in the closed position comprising the block having the slot adapted to receive said lever. and the rod connected to said switch-rails and extending through said block, and having the.

vertical slot adapted to register with and receive said lever only when the switch is in the closed position, together with means for adjusting the length of said rod, substantially as and for the purpose set forth.

5. The combination in a railway-switch, of the movable switch-rails, the rotatable lever, mechanism intervening between said switcl rails and said lever whereby the switch is adapted to be opened and closed by means of said lever, and means for locking the switch in the closed position, comprising the rod connected to said switch rails and extending across the plane of movement of said lever, and having the slot adapted to register with and receive said lever only when the switch is in the closed position, substantially as and for the purpose set forth.

In testimony whereof I have hereunto atfixed my signatu re this 24th day of June, A.

MALCOLM WV. LONG. Witnesses:

G. W. REINOEHL, B. L. WEAVER.

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