GB456170A - Improvements in and relating to driving mechanisms for pedal cycles - Google Patents

Improvements in and relating to driving mechanisms for pedal cycles

Info

Publication number
GB456170A
GB456170A GB1700135A GB1700135A GB456170A GB 456170 A GB456170 A GB 456170A GB 1700135 A GB1700135 A GB 1700135A GB 1700135 A GB1700135 A GB 1700135A GB 456170 A GB456170 A GB 456170A
Authority
GB
United Kingdom
Prior art keywords
hub
drum
spring
wheel
rim
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
GB1700135A
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
Priority to GB1700135A priority Critical patent/GB456170A/en
Publication of GB456170A publication Critical patent/GB456170A/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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/10—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Handcart (AREA)
  • Labeling Devices (AREA)

Abstract

456,170. Cycle driving - mechanism. GREEN, S., 36, Peel Street, Dresden, Longton, Stoke-on-Trent. June 13, 1935, Nos. 17001/35 and 16086/36. [Class 136 (ii)] In driving-mechanism for pedal cycles, spring means is connected to the hub of the rear wheel and to a rim or drum of larger diameter loose on the hub, the rim or drum being rigidly connected to the wheel rim by spokes &c., whereby the usual sprocket on the hub (either free-wheel or fixed wheel), driven by chain from the pedals, acts on the hub to tension or compress the spring, which reacts on the rim or drum to drive the rear wheel. The usual sprocket and free-wheel 11 drives the rear-wheel hub 12, on which is mounted, by ball bearings 14, a drum 13, which is rigidly connected to the wheel rim by spokes. The drive is transmitted from the hub 12 to the drum 13 by a coil spring 15, one end of which is secured to the hub and the other end to the inner periphery of the drum. In order to prevent the pedals from flying back on account of the reverse action of the spring, a ratchet or free-wheel device 16 is mounted on the opposite side of the hub to the drive, and is fixed to the cycle frame by means of an arm 17. The spring is normally stressed and is prevented from completely unwinding by the engagement of a tooth 12<a>, projecting from a collar 12b keyed to the hub, with a corresponding tooth projecting from the drum 13. In order to render the spring 15 inoperative when a direct drive is required, levers 19 carried by the hub are adapted to be rocked into engagement with recesses 18 on the drum by means of a collar 20 adapted to slide on the hub spindle 21 under the control of a cable 23 &c. and a retracting-spring. In a modification, the spring 15 is replaced by a helical spring mounted in an external peripheral groove in the drum 13, one end being fixed to an eye on the drum, and the other end connected to the hub 12 by a cable guided over a pulley.
GB1700135A 1935-06-13 1935-06-13 Improvements in and relating to driving mechanisms for pedal cycles Expired GB456170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1700135A GB456170A (en) 1935-06-13 1935-06-13 Improvements in and relating to driving mechanisms for pedal cycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1700135A GB456170A (en) 1935-06-13 1935-06-13 Improvements in and relating to driving mechanisms for pedal cycles

Publications (1)

Publication Number Publication Date
GB456170A true GB456170A (en) 1936-11-04

Family

ID=10087455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1700135A Expired GB456170A (en) 1935-06-13 1935-06-13 Improvements in and relating to driving mechanisms for pedal cycles

Country Status (1)

Country Link
GB (1) GB456170A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583422A (en) * 1982-09-20 1986-04-22 Winnett Boyd Pedal crank and chain wheel assembly for bicycles
WO1994027860A1 (en) * 1993-06-01 1994-12-08 Henry Arthur Hopgood Rotary drive mechanism
EP0659636A1 (en) * 1993-12-21 1995-06-28 Michael Osiander Transmission with energy storing system for a bicycle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583422A (en) * 1982-09-20 1986-04-22 Winnett Boyd Pedal crank and chain wheel assembly for bicycles
WO1994027860A1 (en) * 1993-06-01 1994-12-08 Henry Arthur Hopgood Rotary drive mechanism
GB2294015A (en) * 1993-06-01 1996-04-17 Henry Arthur Hopgood Rotary drive mechanism
GB2294015B (en) * 1993-06-01 1997-02-26 Henry Arthur Hopgood Rotary drive mechanism
AU679072B2 (en) * 1993-06-01 1997-06-19 Hopgood, Eric Arthur Rotary drive mechanism
EP0659636A1 (en) * 1993-12-21 1995-06-28 Michael Osiander Transmission with energy storing system for a bicycle

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