GB817538A - Improvements in and relating to cycles and the like machines - Google Patents

Improvements in and relating to cycles and the like machines

Info

Publication number
GB817538A
GB817538A GB7845/57A GB784557A GB817538A GB 817538 A GB817538 A GB 817538A GB 7845/57 A GB7845/57 A GB 7845/57A GB 784557 A GB784557 A GB 784557A GB 817538 A GB817538 A GB 817538A
Authority
GB
United Kingdom
Prior art keywords
cycle
bracket
plates
gear position
pump unit
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
GB7845/57A
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.)
JOHN ISSAC GEORGE
Original Assignee
JOHN ISSAC GEORGE
Filing date
Publication date
Application filed by JOHN ISSAC GEORGE filed Critical JOHN ISSAC GEORGE
Publication of GB817538A publication Critical patent/GB817538A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

817,538. Cycle driving-mechanism. GEORGE, J. I. July 15, 1957 [March 9, 1957], No. 7845/57. Class 136(2) A cycle operated by pedal levers D, D<SP>1</SP> has a system of hydraulic transmission of tractive effort to the road wheels. The pedal levers D, D<SP>1</SP> actuate a pump unit A, A<SP>1</SP> (Fig. 4) mounted on plates H, H<SP>1</SP> slidable along a bracket M which is fixed to the cycle frame. The pump A may be moved from a high gear position to a low gear position and vice versa by sliding the plates H, H' along the bracket M. The pump unit A is connected with the road wheel motors J, J<SP>1</SP> by hydraulic feed and return pipes which may be flexible or may be rigid and provided with swivel joints. Specification 817,539 is referred to.
GB7845/57A 1957-03-09 Improvements in and relating to cycles and the like machines Expired GB817538A (en)

Publications (1)

Publication Number Publication Date
GB817538A true GB817538A (en) 1959-07-29

Family

ID=1629124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7845/57A Expired GB817538A (en) 1957-03-09 Improvements in and relating to cycles and the like machines

Country Status (1)

Country Link
GB (1) GB817538A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850448A (en) * 1972-07-13 1974-11-26 G Stewart Pressurized driving mechanism
US4684143A (en) * 1985-04-05 1987-08-04 Yasunori Sato Two-wheeled vehicle with hydraulic transmission
GB2318102A (en) * 1996-10-08 1998-04-15 Terry Thomas Cook Human powered hydraulic drive system
GB2372486A (en) * 2001-02-24 2002-08-28 Gin-Lian Cheng Bicycle drive mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850448A (en) * 1972-07-13 1974-11-26 G Stewart Pressurized driving mechanism
US4684143A (en) * 1985-04-05 1987-08-04 Yasunori Sato Two-wheeled vehicle with hydraulic transmission
GB2318102A (en) * 1996-10-08 1998-04-15 Terry Thomas Cook Human powered hydraulic drive system
GB2372486A (en) * 2001-02-24 2002-08-28 Gin-Lian Cheng Bicycle drive mechanism

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