US310540A - And albeet e - Google Patents
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- Publication number
- US310540A US310540A US310540DA US310540A US 310540 A US310540 A US 310540A US 310540D A US310540D A US 310540DA US 310540 A US310540 A US 310540A
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- US
- United States
- Prior art keywords
- disk
- gear
- shaft
- set forth
- sprocket
- Prior art date
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- Expired - Lifetime
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- 210000000088 Lip Anatomy 0.000 description 4
- 101710040692 PARPBP Proteins 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K3/00—Bicycles
- B62K3/005—Recumbent-type bicycles
Definitions
- the objects of our presentimprovements are 2o to combine an epicyelic speed and power mechanismwith the driving ⁇ or crank shaft of a velocipede, to secure greater compactness and lightness in the mechanism, to provide a simple, convenient, effective means of actuating said mechanism which may be operated by the rider without change of position, and to furnish a speed and power mechanism readily applicable to any velocipede having a crankshaft and chain-gear, or its equivalent, con- 3o necting said crank-shaft with the main shaft of the velocipede, and frame-work also connecting said shafts.
- the means by which we accomplish these objects will be apparent by the following description and the annexed drawings.
- Figure l shows in elevation and vertical section the shafts and frame-work., a drivingwheel and one side of the frame of a tricycle containing our improvements applied in one 4o form.
- Figs. 2 and 3 show in elevation parts of our improvements as seen from the opposite side to that yshown in Fig. 1, on a larger scale.
- Fig. et shows in section, on the plane of the axis of the crank-shaft, our improved 4 5 power-gear box.
- Fig. shows in perspective one side ol the middle or sprocket disk, and Fig. 8 shows the opposite side of the same in elevation.
- Fig. G shows in perspective thein- D on the main shaft with the sprocket-disk F 6o I on the driving-shaft C.
- G is a part of the frame of a tricycle from which extends the arm H, which supports at one point the handle-rod I; and O is another part of the frame of a tricycle which supports the bearing at one end of the crankshaft C, and from which proj eet-s the arm L, supporting at another point the handle-rod I.
- the bracket K having means for attachment to the framework of a veloeipede, a Way to admit of movement of the lever, and means for holding the lever in one of two positions, essentially as set forth.
- the adjustable detent It eonstruetedand adapted to operate substantially as and ior the purposes set forth.
- a click-arm, S, click s2, slide S, and spring s constructed, combined, and adapted to operate essentially as set forth.
- an epicyclic variablefspeed gear mechanism the combination of a fixed disk on a shaft bearing an annular gear at or near its periphery, a concentric spur-gear iree on a shaft, an intermediate gear meshing with said annular gear and said spur-gear, and axled upon a disk, a sleeve connecting said spurgear, and a disk fixed thereon, a disk free to revolve on said sleeve and between the fixed disk upon the shaft and the fixed disk upon the sleeve, and bearing an axle for the intermediate gear, and having slots on its opposite side from said gear, and sprocket-teeth, or their equivalent, on its periphery, and a lever, S, click s2, slide S', and spring si, all constructed and adapted to operate essentially as set forth.
- the actuating-lever N Q pivoted at one point to a connection with the frame of a tricycle, having a click, a, at the lower end and a handle, q, at the upper end, and constructed .and combined to operate upon said epicyelic two-speed mechanism, on a crank-shaft, and to be operated by the hand of the rider near the handle of the velocipede, essentially as set forth.
Description
(No Model.) 2 Sheets-Sheet 1.
o. E. PRATT Av A. E. WALLACE.
VELOGIPBDB.
No. 310,540. Patented JAA. 6, `1885.
(No Model.) 2 sheets-sheet 2.
C. E. PRATT & A. E. WALLACE.
VELOGIPBDB.
No. 310,540. Patented Jan. 6, 1885.
wlmi-:55E INVENTURE 4M/,JV (Mv @44m/,f a ma,
ITE Sterns CHARLES E. PRATT, OF BOSTON, MASSACHUSETTS, AND ALBERT E. TAL- LACE, OF HARTFORD, CONNECTICUT, ASSIGNORS TO THE POPE MANU- FACTURING COMPANY, OF HARTFORD, CONNECTICUT.
VELOCIPDE.
SPECIFICATION forming pari of Letters Patent No. 310,540, dated January e, lass.
` Application led November 28, 1884. (No model.)
To @ZZ whom, it may concern:
Be it known that we, CHARLns E. PRATT, of Boston, Massachusetts, and ALBERT E. WAL- LACE, of Hartford, Connecticut, have jointly invented certain new and useful Improvements in Velocipedes, of which the following is a specification.
Our improvements relate to that class of velocipedes known as tricycles,7 7 and more pario ticularly to the driving mechanism of such velocipedes, though they are applicable to quadricycles and other velocipedes; and they are in the nature of improvements upon the devices shown and described in Letters Patent of the United States N o. 284,782, dated September 11, 1884-, in which is set forth a variable epicyclic speed and power gear combined with the driving mechanism of a tricycle. The objects of our presentimprovements are 2o to combine an epicyelic speed and power mechanismwith the driving` or crank shaft of a velocipede, to secure greater compactness and lightness in the mechanism, to provide a simple, convenient, effective means of actuating said mechanism which may be operated by the rider without change of position, and to furnish a speed and power mechanism readily applicable to any velocipede having a crankshaft and chain-gear, or its equivalent, con- 3o necting said crank-shaft with the main shaft of the velocipede, and frame-work also connecting said shafts. The means by which we accomplish these objects will be apparent by the following description and the annexed drawings.
Figure l shows in elevation and vertical section the shafts and frame-work., a drivingwheel and one side of the frame of a tricycle containing our improvements applied in one 4o form. Figs. 2 and 3 show in elevation parts of our improvements as seen from the opposite side to that yshown in Fig. 1, on a larger scale. Fig. et shows in section, on the plane of the axis of the crank-shaft, our improved 4 5 power-gear box. Fig. shows in perspective one side ol the middle or sprocket disk, and Fig. 8 shows the opposite side of the same in elevation. Fig. Gshows in perspective thein- D on the main shaft with the sprocket-disk F 6o I on the driving-shaft C.
G is a part of the frame of a tricycle from which extends the arm H, which supports at one point the handle-rod I; and O is another part of the frame of a tricycle which supports the bearing at one end of the crankshaft C, and from which proj eet-s the arm L, supporting at another point the handle-rod I.
On the shaft C is fixed and revolving with it a disk, U, having at its periphery an in- 7o ,wardly-projecting lip in which-is cut an annular gear, U2. On the shaft C, with a free bearing and capable of revolving thereon, we also place a sleeve, R', which bears at the end next the disk U a spur-wheel or concentric gear, R2, and to the opposite end of which is threaded or otherwise fixed, to revolve therewith, a disk, Between the concentric gear R2 and the click-bearing disk R we place the sprocket-disk F, bearing the chain-teeth f f 801 on its periphery, which has a lip or Harige-to i bring its teeth to the right position and support the chain passing over, and so is made to overlap the annular gear U, and which disk F has a free bearing toward its center at j" u pon the sleeve R, so that it is capable of revolving thereon. Between the sprocket-disk F and the fixed disk U we place intermediate gears or spur-wheels, T T, meshing with the annular gear U and the concentric gear R2, 9o and mounted and free to turn upon pins or journals t t, set in and projecting from the sprocket-disk F. On the sprocket-disk F, on its side oppositetheintermediate spur-wheels, is an annular projection, f, serving to give a 9 5 sufficient width of bearing'on the sleeve R,
toward its center, and near its periphery :tre f3, holding the disksRand F, and, consequent- :mnuiar projeetionsfzfz, having between them 1y, the disk U, through the medium of the conthe slots or notehesfi, which, when the parts centric gear R2, the annular gear U', the inme in place, project into the disk R. The termedinte gear, T T, and the axles t t, rigidly 5 disk R, which is fastened to the sleeve It totogether, and to the crank-shaft C, so that ward its center, at r2, as above described, eonwhen the crank-shaft C is made to revolve by practically or conveniently accessible to the rider when operating the tricyele.
\Ve claim as new and of our inventionl. The extensible lever Q N, constructed and adapted to operate essentially as set forth.
2. The bracket K, having means for attachment to the framework of a veloeipede, a Way to admit of movement of the lever, and means for holding the lever in one of two positions, essentially as set forth.
3. The adjustable detent It", eonstruetedand adapted to operate substantially as and ior the purposes set forth.
4. The combination, in a veloeipede, of leverarn1 Q, bracket K, way itz, detent 7.x, and
spring g, essentially as set forth.
5. The combination,in avelocipede, ofbracket M, arm L, and the pivoted lever N, essentially as set i'orth.
6. In an epicyclie variablespeed mechanism, a click-arm, S, click s2, slide S, and spring s, constructed, combined, and adapted to operate essentially as set forth.
7. lfn an epicycl ic varialile-speed mechanism, a disk, F, having on one side projectionsf2 and slotsj, and ou the other side axles 1,15, or their equivalent, constructed and adapted to operate essentially as set forth.
S. In an epicyclic variablefspeed gear mechanism, the combination of a fixed disk on a shaft bearing an annular gear at or near its periphery, a concentric spur-gear iree on a shaft, an intermediate gear meshing with said annular gear and said spur-gear, and axled upon a disk, a sleeve connecting said spurgear, and a disk fixed thereon, a disk free to revolve on said sleeve and between the fixed disk upon the shaft and the fixed disk upon the sleeve, and bearing an axle for the intermediate gear, and having slots on its opposite side from said gear, and sprocket-teeth, or their equivalent, on its periphery, and a lever, S, click s2, slide S', and spring si, all constructed and adapted to operate essentially as set forth.
9. In combination with the frame of a velocipede and an epicyelic two-speed mechanisln, the actuating-lever N Q, pivoted at one point to a connection with the frame of a tricycle, having a click, a, at the lower end and a handle, q, at the upper end, and constructed .and combined to operate upon said epicyelic two-speed mechanism, on a crank-shaft, and to be operated by the hand of the rider near the handle of the velocipede, essentially as set forth.
CHARLES F. PRATT. ALBERT E. TALLACLL XVilnesses to signature of C. E. l?R..-lrtr:
FRANK T. XVATsoN, HENRY A. LninoLn. Witnesses to signature oi' A. E. XVALLAVOE:
W. B. BnorHnR'roN, WM. B. NELsoN.
Publications (1)
Publication Number | Publication Date |
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US310540A true US310540A (en) | 1885-01-06 |
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US310540D Expired - Lifetime US310540A (en) | And albeet e |
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