GB191012827A - Improvements in or relating to Variable-speed Gearing for Engines or Motors. - Google Patents

Improvements in or relating to Variable-speed Gearing for Engines or Motors.

Info

Publication number
GB191012827A
GB191012827A GB191012827DA GB191012827A GB 191012827 A GB191012827 A GB 191012827A GB 191012827D A GB191012827D A GB 191012827DA GB 191012827 A GB191012827 A GB 191012827A
Authority
GB
United Kingdom
Prior art keywords
gearing
shaft
variable
gear
pulley
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
George Douglas Leechman
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 GB191012827A publication Critical patent/GB191012827A/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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

12,827. Leechman, G. D. May 26. Variable-speed gearing.-Two of the rotating parts of an engine are employed as parts of a variable-speed gear, the driving-pulley being mounted upon one of such parts, and being adapted to be driven thereby directly or through the other rotating part at a different speed. Fig. 1 shows the driving-pulley 6 mounted on the crank-shaft 2 of a four-stroke-cycle engine and connected by chain gearing 7, 8 to the halfspeed cam-shaft 1. The movement of a lever 11 about the pivot 12 works friction clutches 9, 10, which lock one or the other of the wheels 7, 8, to its shaft, or leave both free. Spur gearing may be substituted for the chain gearing and in this case the clutch 9 may be dispensed with, and the spur-wheel 8 on the shaft 1 slid axially into and out of gear with the wheel 7. By duplicating the spur gearing, a three-speed gear is obtained. The pulley 6 may be separate from the wheel 7 and locked to it or to the crankshaft by suitably modifying the clutch 10, the wheels 7, 8 in this case remaining permanently in gear.
GB191012827D 1910-05-26 1910-05-26 Improvements in or relating to Variable-speed Gearing for Engines or Motors. Expired GB191012827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191012827T 1910-05-26

Publications (1)

Publication Number Publication Date
GB191012827A true GB191012827A (en) 1911-05-04

Family

ID=32638227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191012827D Expired GB191012827A (en) 1910-05-26 1910-05-26 Improvements in or relating to Variable-speed Gearing for Engines or Motors.

Country Status (1)

Country Link
GB (1) GB191012827A (en)

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