US764224A - Trolley. - Google Patents

Description

PATENTED JULY 5, 1904. J. Q. BROWN.

TROLLEY.

APPLIUATION FILED APR. 12, 1904.

2 sHBETssHEET 1.

No MODEL.

Inventos? @L 6 litnesses PATENTED lJULY 5, 1904.

J. Q. BROWN. TRULLEY.

APPLIUATION FILED APR. 12, 1904.

2 SHEETS-SHEET 2.

NO MODEL.

` Inventos/x @2? Wnesses:v c

' means for roller-axle.

UNITED STATES Patented July 5, 1904.

PATENT OFFICE.

TROLLEY. Y

SPECIFICATION forming part of Letters Patent No. 764,224, dated July 5, 1904.

Application filed April l2, 1904. `Serial No. 202,800, (No model.)

`overhead current-collecting devices for trolley-ears, and particularly for higlrspeed heavy multiple-unit electric trains for interurban service. Atrolley suitable for such use must be capable of taking a heavy current and of operating at high speeds on curves as well as.

on a straight track and be strong enough to withstand the tremendous lateral strain under such circumstances, and where the trains run in subways it must accommodate itself to the often low head-room and must be capable of passing under crossings with regular trolley wires while the train is at full speed. Besides satisfying these conditions my invention has for its object the construction of a trolley that will not leave the overhead conductor in any direction nor while the train is running at any speed; that will permitthe train to be run in either direction without reversal ofthe trolley; that will be durable and will reduce the wear on the trolley-line and simplify and cheapen overhead construction, present trolley wheel methods requiring' an expensive arrangement of overhead frogs, Sac.; that will permitrapid switching, and which will be practically noiseless in operation.

The invention consists of the parts and the construction and combination of parts, as hereinafter more fully described and claimed, in which- Figure l is a side elevation of my device. Fig. 2 is an ond view of same. Fig. 3 is one end of the trolley-roller, shown in section with guard-support. Fig. l is an end view of Fig. 3. Fig. 5 is a front view showing clamping Figs. 6 and 7 show upper and lower frame-bearings as would appear with frame in alinement. i

Where cars are to be operated in multipleunit trains, it is impracticable to employ the ordinary trolley pole and wheel by reason of the liability of the wheel leaving the wire and damaging both the overhead gear and the trol-` ley-pole.

My trolley comprises a jointed double diamond-frame lazy-tongs structure 'composed of Efour rectangular frames A A B B', preferably of angle-iron and suitably b'aced and `hinged together and operating so that the contact member or trolley-roller 2, which is i supported between the upper edges ofthe two g teprnost frames B B, may rise and lower to accommodate itself to the varying heights of the trolley-wire. The two lower frames A A are separately pivoted at their lower ends on individual shafts 3, mounted in a fixed sup,- ,port, and these frames have interengaging segmental gears ll, whereby each will partake of precisely the same pivotal movement.

Where the respective pairs of frames A B and ends of the upper framesB B as carrying rela-` i tively long aXially-alined sleeves 5 andthe up- ,per ends of the lower frames A A as carrying lthe perforated oil'setjournal parts 6, which are adapted to iit over the outer ends of the sleeves 5. A pivot-rod 7 is adapted to be slipped through each set of sleeves and journal parts 6 and to be held in place by suitable means, as the nuts 8. The upper and lower frames are thus free to pivot on the rods 7,- the sleeve 5 affording' a sufiiciently long bearing to give rigidity to the structure and enable it to with stand the severe strains it is subjected to,par- `ticularly when the train is rounding curves at high speed. A single-framestructure of this character is absolutely impracticable, as it would lack necessary strength. This entire device is designed toward overcoming the inherent structural defects of other trolleys of this class.

The upper ends of the topinost frames B B terminate in interengaging segmental gears 9, which turn on individual pivots l0. 'lhc inner ends of the latter arefastened in the castings 11, which support the ends of the non-rotatable axle 12 of the trolley-roller 2. The outer ends of the pivots l() are secured in castings 13. The upper portions of the castings ll and 13 have downwardly and out IOO wardly inclined projections 14, disposed each in the same plane,te which the lateral inclined curved guards or pick-ups 15 are made fast. When the guards have been bolted to the inclined projections 14, the castings are united into a rigid structure and give proper support and bearing f or the gears 9. These gears are essential for the maintenance always of the vertical position of the guards. The rolleraxle 12 is clamped in the castings 11 by means of the blocks 16 and nuts 17, screwing onto studs in the castings.

The trolley-roller is especially designed to withstand excessive wear either of itself or the trolley-wire, to avoid heating at the bearings, and to be as noiselessas possible. It consists of an outer tubing of brass or other suitable conducting material secured at each end to an interior hub' portion 18, provided with suitable graphite bushings 19, which run on the stationary axle 12. The hubs are pro'vided with annular oil channels or pockets 20, which may be filled from time to time through an opening 21 at each end of the roller and normally closed by means of a macliine-screw set into the periphery of the roller. 22 is a cylindrical partition or rollv of fiber or like nonresonant matter extending between the hub `I claim, and desire to secure by Letters Patportions 18 and out of contact with the axle.

23 represents fiber disks, and the space between the roll and disks and outer brass tubing is packed with waste, as shown at 23". rlhis construction very ef'fectually deadens all noise, while the wear on the bearing parts is reduced to a minimum.

, In case a roller or roller-axle is toy be taken out and replaced it can be quickly done by loosening and removing the clamps 16.

To hold the contact-roller to the trolleywire, a seriesof strong tension-springs 24 are arranged with one end secured near the bottom of one of the lowei` frames, as A', and the other secured to brackets 25 near the top of the other lower frame, so that the springs will always lie in ay plane approximately or nearly parallel with' the latter frame. This way of attaching' the springs has been found' quite important',- as it gives practically an even tension on the trolley-wire at all' ordinary working heights, since by attaching the lower ends of the springs close to the pivot of the two lower frames the arcv describedY by those lower spring ends is subjectv to very little variation, whereas to run the springs horizontally would cause them tov be continually opening and closing through quite a wide range, while the up-and-down movement of the rol-ler might be comparatively slight. The tension of the springs may be adjusted by an eyebolt 26.

The contact between the roller and thel metal conducting trolley-framev is effected by the usual frictional contacts 27.

28 is a block for the purpose of causing the springs 24 to exert a tension in a direction tearing things to pieces.

such as to straighten the trolley-frame after it has been abnormally depressed.

The lateral guides or guards 15 are inclined outwardly and downwardly, and their upper surfaces are substantially continuous with the top edge of the trolley-roller, so that the trolley-wire may easily pass off over the ends of the roller or run up the guards onto the rollers, as where the train passes from a single track to double track, or vice versa.

' Without these guides or guards it would be impossible for the roller to pass, for instance, from a branch to a main-line trolley-wire, without jamming in the fork of the wire and The guards act as pick-ups for the lower wire and lead it gradually and automatically onto the roller. The guards are essential to the operativeness of the rest of the device.

Among the points to be particularly noted in the present structure are the double frame, its means for bracing against lateral strain, the means for supporting the trolley-roller and for supporting the trolley-guards, the

lspecific roller construction, the particular form of guards, and the spring-tension devices for the frame.

Having thus described my invention, what ent, is-

1-. A trolley comprising a double diamondsliape spring-actuated structure made up of a series of conjoined upper and lower rectangul'ar frames each of substantially uniform width transversely whereby the sides of the lower frames are disposed vertically in line with the sides of the upper frame, and a long trolley-roller supported between the ends of the opposite side bars of the uppermost frame.

2. A trolley vfor multiple-unit trains comprising a double diamond-shape spring-actua'- ted' structure made up'of a series of conjoined rectangular frames, eachI comprising parallel side bars spaced uniformly from each other and with the upper frame substantially in line with the corresponding side bars of the lower frame, a trolley-roller supported' on a stationary axle between' the ends of the' uppermost of said frames and lateral downwardly-curved guards carried by the structure and having `their upper surfaces substantially continuous with'. the top edge of the roller.

3. A trolley for multiple-unit trains comprising a double diamond-shape spring-actua- .ted structure made up of a series of conjoined rectangular frames, each comprising parallel side bars spaced uniformly from each other and with the upper frame substantially inline with 'the corresponding side bars of the lower frame, a trolley-roller supported on a stationary axle between the ends of the uppermost of said frames and lateral downwardly-curved guards carried bythe structure and having' their upper surfaces substantially continuous with the top` edge of the roller, said guards disposed in approximately a vertical plane and means for maintaining the guards in such plane. i

4. A trolley for multiple-unit trains comprising' a double diamond-shape structure made up oi' four pivotally-connected rectangular frames, two of said frames being above and two below the horizontal central line of the structure and said trames so disposed that the sides or' each are parallel and the sides of the upper frames are substantially in line with the corresponding sides oif the lower frames, a shaft secured adjacent to the upper end of the structure, and a trolley-roller rotatable on said shaft, means for pressing' the roller normally against the'trolley-wire and curved lateral trolley-guards having their upper surfaces substantially continuous with the top edge of the roller.

5. A trolley for multiple-unit trains comprising a double diamond -shape structure` made up oi' four pivotally-connected rectangular iframes, a shaft secured adjacent to the upper end oi the structure, and a trolley-roller rotatable on said shaft, means for pressing' the roller normally against the trolley-wire and curved lateral trolley-guards having their upper surfaces substantially continuous with the top edge of the roller, said trolley-guards means for maintaining' them in such position.

6. A trolley for multiple-unit trains, cornprising a diamond-shape, jointed spring-actuated 'frame, a rotatable collector carried by projecting' guards disposed in approximately a vertical plane and having their Vupper surfaces substantially continuous with the trollcy-wire-supporting surface of the collector, and means for maintaining the guards in vertical position irrespeetive oi' the elevation or' the collector.

7. A trolley comprising' a series of conjoined upper and lower frames, intermeshing gears carried by the upper frames and similar g'ears carried by the `lower frames, a`trolley-roller supported by the upper frames, lateral downwardly-inclined guards and means for pressing the roller normally against the trolley-wire.

8. A trolley comprising a series of conjoined upper and lower frames, intermeshing gears carried by the upper 'frames and similar gears carried by the lower frames', a trolley-roller supported by the upper frames, lateral downwardly-inclined guards and means for pressing the roller normally against the trolley-wire,` said means including tension-Y springs secured at one end to one of said lower frames adjacent to its pivotal connection with the other lower frame, and the other end of said springs secured to a bracket or like support on the other oi' said lower frames whereby the springs are maintained approximately parallel to the last-mentioned frame.

9. A trolley comprising a series of conjoined upper and lower frames, intermeshing gears carried by the upper frames and similar gears carried by the lower frames, a trolley-roller supported by the upper trames, lateral downwardly-inclined guards and means for pressing' the roller normally against the trolley-wire, said means including tensionspring's secured at one end to one oi' said lower trames adjacent to its pivotal connection with the other lower frame, the other end oi' said springs secured to a bracket or like support on the other of said lower Alran'ies whereby the springs are maintained approximately parallel to the last-mentioned frame,` and meansto cause said springs always to exert a tension to lift the roller.

10. A trolley comprising a series oi' conjoined upper and lower iframes, the upper frames interconnected and arranged to support a trolley-roller intermediate of them, a trolley-roller, the lower frames interconnected, and tension-springs hav-ing' one end attached near the lower end of one oi said lower frames and near the top of the other lower frame.

ll. A'trolley comprising' a series ol con- `joined upper and lower iframes, the upper frames interconnected and arranged to suplying substantially in a vertical plane and ltrolley-roller, the lower frames .interconneeted, tension-springs having one` end attached near the lower end olI one of said lower frames and the other end near the top oi the said frame, and downwardly-curved laterallyport a trolley-roller intermediate ot' them, a

other lower frame, and a stop interposed in the path of the springs to cause said springs to exert an upward tension when 'in their' more nearly horizontal position.

12. A trolley comprising a series ot' conjoined upper and lower sets oit' trames, one ot said sets having axially-alincd elongated bear- 'lng portlons embracing pivot-rods common to the other set olI iframes and serving' to support the trolley against lateral strain, a trol- "ley-roller supported by the upper 'frames and means for forcing' said roller normally upward. l

13. A trolley comprising a series of conjoined upper and lower sets ol spring-actuated rectangular frames, said lower irames connected togetherwhereby each partakes of the same pivotal movement, said upper frames similarly connected, a trolley-roller, one oi said sets oi' frames having axially-alined` sleeves embracing pivot-rods common to the other set of said Frames, said sleeves serving as elongated bearings to support the trolley against lateral strain.

142. A trolley comprising a series of conjoined upper and lower sets of spring-actuated rectangular iframes, said lower iframes connected together whereby each partakes of the same pivotal movement, said upper frames similarly connected, a trolley-roller, one ol said sets of frames having axially-alined IOC sleeves embracing pivot-rods common to the other set of said frames, said sleeves serving as elongated bearings to support the trolley against lateral strain, and lateral inclined guards carried by said frames and arranged to direct the trolley-wire on and olf the rollers. l5. A trolley comprising a series of conjoined upper and lower sets of spring-actuated rectangular frames, said lower frames connected together whereby each partakes of the same pivotal movement, said upper frames similarly connected, a trolley-roller, one of said sets of frames having axiallyalined sleeves embracing pivot-rods common to the other set of said frames, said sleeves serving as elongated bearings to support' the trolley against lateral strain, lateral inclined guards carried by said frames and arranged to direct the trolley-wire on and'off the rollers, said guards disposed in substantially in a vertical plane and means for maintaining them in such plane. Y.

16. A trolley comprising a series of conjoined upper and lower spring-actuated frames,castings pivoted to and connecting the upper frames, a trolley-roller supported by said castings and lateral inclined trolley guides or guards carried by said castings.

17. In a diamond-frame trolley, castings connecting the upper arms thereof, means whereby said arms partake of the same relative movement to maintain the castings hori- Zontal and trolley guides or guards carried by said castings.

18. In a diamond-frame trolley, castings connecting the upper arms thereof, means whereby said arms partake of the same relative movement to maintain the castings hori- Zontal, trolley guides or guards carried by said castings, a shaft supported by said castings anda trolley-roller turnable on said shaft.

19. In a diamond-frame trolley, castings connecting the upper arms thereof, means whereby said arms partake of the same relative movement to maintain the castings horizontal, trolley guides or guards carried by said castings, a shaft supported by said castings and a trolley-roller turnable on said shaft, the upper surface of said roller and guards being substantially continuous.

20. In a diamond trolley, means for causing the upper arms thereof to partake of the same pivotal movement, a trolley-axle support on said arms, said support including castings pivoted to and connecting the said arms, a trolley-axle lixed in the castings, and a trolley-roller turnable on said axle.

2l. In a diamond trolley, means for causing the upper arms thereof to partake of the same pivotal movement, a trolley-axle support on said arms, a trolley-axle, a trolley-roller turnable on said axle, and lateral inclined guards carried by said trolley-axle support.

22. A trolley-roller having a central stationary axle, and afilling of waste or like nonresonant matter surrounding said axle.

28. A trolley-roller having a central stationary axle, and a filling of waste or like nonresonant matter surrounding and out of contact with said axle.

24. A trolley-roller composed of a hollow metal conducting-cylinder, an inner concentric liber cylinder, a non-resonant packing between said cylinders, and hub portions supporting said outer cylinder.

25. The combination with a non-rotatable axle, of a metal cylinder concentric and supported out of contact therewith and turnable thereabout, a cylindrical liber partition intermediate of the metal cylinder and axle and a waste or like non-resonant packing intermediate of said partition and cylinder.

In testimony whereof -I have hereunto set my hand in presence of two subscribing witnesscs.

JOHN QUINCY BROWN.

Witnesses:

S. H. NoUnsE, Jnssm C. BRODIE.

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