GB162378A - Improvements in variable speed power transmission gear - Google Patents

Improvements in variable speed power transmission gear

Info

Publication number
GB162378A
GB162378A GB2497/20A GB249720A GB162378A GB 162378 A GB162378 A GB 162378A GB 2497/20 A GB2497/20 A GB 2497/20A GB 249720 A GB249720 A GB 249720A GB 162378 A GB162378 A GB 162378A
Authority
GB
United Kingdom
Prior art keywords
rod
flanges
cams
spring
power transmission
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
GB2497/20A
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.)
FREDERIC DUDLEY GERALD TAYLOR
Original Assignee
FREDERIC DUDLEY GERALD TAYLOR
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 FREDERIC DUDLEY GERALD TAYLOR filed Critical FREDERIC DUDLEY GERALD TAYLOR
Priority to GB2497/20A priority Critical patent/GB162378A/en
Publication of GB162378A publication Critical patent/GB162378A/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)
  • Transmissions By Endless Flexible Members (AREA)

Abstract

162,378. Taylor, r. D. G. Jan. 27, 1920. Expanding pulley gearing comprises driving and driven pulleys each with a fixed flange 1, Fig. 2, and a movable flange 2, the flanges 2 being movable in unison by spring means. The wedging of the belt together with the action of springs 23 tends to separate the flanges. The flanges 2 are .thrust inwards by turning cams 3 relatively to fixed cams 6. Each cam 3 is connected by a crank arm 8 and spring rod 9 to a crank arm 11 controlled by hand. Each rod 9 comprises a spring 14, Fig. 4, which acts when the rod is in tension, the rod acting positively when in compression. Another pair of rods 9<a> may be used to balance the thrust upon the cams 3 in which the springs 14<a> act when the rods are in compression. Crank arms 11 of different lengths may be used to keep the 'belt in tension. Specification 142,742 is referred to.
GB2497/20A 1920-01-27 1920-01-27 Improvements in variable speed power transmission gear Expired GB162378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2497/20A GB162378A (en) 1920-01-27 1920-01-27 Improvements in variable speed power transmission gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2497/20A GB162378A (en) 1920-01-27 1920-01-27 Improvements in variable speed power transmission gear

Publications (1)

Publication Number Publication Date
GB162378A true GB162378A (en) 1921-04-27

Family

ID=9740599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2497/20A Expired GB162378A (en) 1920-01-27 1920-01-27 Improvements in variable speed power transmission gear

Country Status (1)

Country Link
GB (1) GB162378A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609700A (en) * 1950-07-15 1952-09-09 Montemarani Ferdinand Variable speed mechanism
US2674839A (en) * 1948-03-10 1954-04-13 Case Co J I Pickup and baler
US2760386A (en) * 1951-12-08 1956-08-28 Alva F Southwick Variable speed transmission employing v-pulleys and belts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674839A (en) * 1948-03-10 1954-04-13 Case Co J I Pickup and baler
US2609700A (en) * 1950-07-15 1952-09-09 Montemarani Ferdinand Variable speed mechanism
US2760386A (en) * 1951-12-08 1956-08-28 Alva F Southwick Variable speed transmission employing v-pulleys and belts

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