GB571489A - Improvements in or relating to control mechanism for variable speed gearing - Google Patents

Improvements in or relating to control mechanism for variable speed gearing

Info

Publication number
GB571489A
GB571489A GB15528/43A GB1552843A GB571489A GB 571489 A GB571489 A GB 571489A GB 15528/43 A GB15528/43 A GB 15528/43A GB 1552843 A GB1552843 A GB 1552843A GB 571489 A GB571489 A GB 571489A
Authority
GB
United Kingdom
Prior art keywords
tube
sleeve
slot
handlebar
cable
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
GB15528/43A
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.)
Birmingham Small Arms Co Ltd
Original Assignee
Birmingham Small Arms Co Ltd
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 Birmingham Small Arms Co Ltd filed Critical Birmingham Small Arms Co Ltd
Priority to GB15528/43A priority Critical patent/GB571489A/en
Publication of GB571489A publication Critical patent/GB571489A/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)
  • Mechanical Control Devices (AREA)

Abstract

571,489. Twist-grip controls. BIRMINGHAM SMALL ARMS CO., Ltd., and MACCABE, D. A. Sept. 22, 1943, No. 15528. [Class 136 (i)] A twist-grip control for the variable-speed gearing of cycles &c. operating through a flexible cable 31 comprises a sleeve 1 rotatably mounted on the handlebar 3, a tube 13 in the sleeve connected to the cable 31, a support 7 fixed to the rotatable sleeve and having a cam follower 15 thereon confined in a cam slot 17 on the tube 13, and pin-and-slot connecting means 21, 19 between the handlebar and the tube 13 to prevent rotary movement of the tube. The outer end of the sleeve 1 is closed and carries by a nut 9 the support 7 having a spherical end 11 within and slidably supporting the tube 13. The slots 19 are formed in the inner end of the tube 13 and are engaged by a pin 19 mounted in the handlebar and passing through a circumferential slot in the sleeve 1 to limit the rotation of the sleeve. An end cap 27 on the tube 13 secures the cable 31 by a slot or gap to facilitate detachment. The cam slot 17 has depressions corresponding to the various gears and the sleeve 1 has indicating markings.
GB15528/43A 1943-09-22 1943-09-22 Improvements in or relating to control mechanism for variable speed gearing Expired GB571489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB15528/43A GB571489A (en) 1943-09-22 1943-09-22 Improvements in or relating to control mechanism for variable speed gearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15528/43A GB571489A (en) 1943-09-22 1943-09-22 Improvements in or relating to control mechanism for variable speed gearing

Publications (1)

Publication Number Publication Date
GB571489A true GB571489A (en) 1945-08-27

Family

ID=10060721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15528/43A Expired GB571489A (en) 1943-09-22 1943-09-22 Improvements in or relating to control mechanism for variable speed gearing

Country Status (1)

Country Link
GB (1) GB571489A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959160C (en) * 1952-11-17 1957-02-28 Janusz Makowski Rotary handle for handlebars of two-wheeled vehicles u. like
US4191065A (en) * 1978-02-07 1980-03-04 Beugelsdyk Anthony F Throttle twist grip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959160C (en) * 1952-11-17 1957-02-28 Janusz Makowski Rotary handle for handlebars of two-wheeled vehicles u. like
US4191065A (en) * 1978-02-07 1980-03-04 Beugelsdyk Anthony F Throttle twist grip

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