GB191100819A - Improvements in Variable Speed Gears for Cycles, Motor Cycles and the like. - Google Patents

Improvements in Variable Speed Gears for Cycles, Motor Cycles and the like.

Info

Publication number
GB191100819A
GB191100819A GB191100819DA GB191100819A GB 191100819 A GB191100819 A GB 191100819A GB 191100819D A GB191100819D A GB 191100819DA GB 191100819 A GB191100819 A GB 191100819A
Authority
GB
United Kingdom
Prior art keywords
clutch
hub
train
cycles
pawl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
James Edwin Ross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191100819A publication Critical patent/GB191100819A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

819. Ross, J. E. Jan. 12. Variable-speed epicyclic gearing.-A two-train variable-speed hub gear for cycles, motor-cycles, &c. is provided with a single fixed sun-pinion, the internal wheels of both trains and the carrier g of the second train being each formed with peripheral clutch teeth p to engage in turn a sliding clutch member q whereby motion is communicated to the hub. As shown in Figs. 1 and 2, the driving-member c carries the planetpinions n of the first train, and is connected to the internal wheel c<2> of the second train, the sliding member being arranged to carry oppositely-directed pawls s, t for engaging with the hub teeth c' and the teeth b<2> of the brakeoperating member, respectively. The pivot of the pawl t engages a slot b<3> in the clutch member, so that, when the brake is applied, the pivot moves under the tail of the pawl s and disengages it from the hub. Moreover, when the machine is wheeled backwards, the initial movement of the clutch member causes the pawl t to pass under the tail of the pawl s and so disengages it from the hub; the brake is therefore not applied. In a modification without brake mechanism, a ratchet clutch is provided between the driving-member and the carrier of the first train, driving connexion between the clutch member and the hub being effected by pins engaging longitudinal slots or by teeth or other means. A friction clutch, such as the plate or ring form of clutch, may be interposed between the member q and the hub, say, for a motor-cycle, the clutch being releasable for starting the engine from a pedal - driven sprocket-wheel. As applied to a motor-cycle, the gear is modified so that the direct drive is the highest speed, the driving - member being connected to the first internal wheel, and the carrier of the first train and the internal wheel of the second being connected together.
GB191100819D 1911-01-12 1911-01-12 Improvements in Variable Speed Gears for Cycles, Motor Cycles and the like. Expired GB191100819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191100819T 1911-01-12

Publications (1)

Publication Number Publication Date
GB191100819A true GB191100819A (en) 1912-01-11

Family

ID=32365299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191100819D Expired GB191100819A (en) 1911-01-12 1911-01-12 Improvements in Variable Speed Gears for Cycles, Motor Cycles and the like.

Country Status (1)

Country Link
GB (1) GB191100819A (en)

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