GB481838A - Improvements in chain wheels for bicycles, tricycles and the like - Google Patents

Improvements in chain wheels for bicycles, tricycles and the like

Info

Publication number
GB481838A
GB481838A GB13912/37A GB1391237A GB481838A GB 481838 A GB481838 A GB 481838A GB 13912/37 A GB13912/37 A GB 13912/37A GB 1391237 A GB1391237 A GB 1391237A GB 481838 A GB481838 A GB 481838A
Authority
GB
United Kingdom
Prior art keywords
arms
springs
stops
stop
inner part
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
GB13912/37A
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
Publication of GB481838A publication Critical patent/GB481838A/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
    • B62M1/105—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels using elastic elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/60—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising pushing or pulling links attached to both parts
    • F16D3/62—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising pushing or pulling links attached to both parts the links or their attachments being elastic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Transmission Devices (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

481,838. Cycle &c. driving-mechanism. KEUNEN, F. J. May 18, 1937, No. 13912. Convention date, May 16, 1936. [Class 136 (ii)] [Also in Group XXIV] In cycle &c. pedal-crank mechanism with a spring drive, of the type in which the chain wheel comprises relatively-rotatable inner and outer parts provided with co-operating radial arms with interposed tension springs, the arms connected with the outer or driven part are each provided with two stops, of which one rests against a stop on the inner part when the springs are contracted, and the other stop engages a stop on the arm of the inner part immediately behind it when the springs are extended to a predetermined limit. The chain wheel comprises an inner part 1 with a crank 2, and an outer toothed part 3. Tension springs 14 are interposed between radial arms 4, 10 on the parts 1, 3 respectively, the springs normally holding the ends 11 of the arms 10 against stops 16 on the inner part 1. Relative movement between the inner and outer parts 1, 3 is limited, on excessive driving forces, by the engagement of stops 9, 12 on the arms 4, 10 respectively. The arms 4 are provided with plates 5 having grooves at their outer ends to engage a flange 13 on the inner periphery of the outer part 3.
GB13912/37A 1936-05-16 1937-05-18 Improvements in chain wheels for bicycles, tricycles and the like Expired GB481838A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL821921X 1936-05-16
NL481838X 1936-05-16

Publications (1)

Publication Number Publication Date
GB481838A true GB481838A (en) 1938-03-18

Family

ID=30447736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13912/37A Expired GB481838A (en) 1936-05-16 1937-05-18 Improvements in chain wheels for bicycles, tricycles and the like

Country Status (3)

Country Link
FR (1) FR821921A (en)
GB (1) GB481838A (en)
NL (1) NL44246C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203054A2 (en) * 1985-04-18 1986-11-26 Jeannée, Wolfgang Crank-gear
GB2205918A (en) * 1987-05-21 1988-12-21 Shimano Industrial Co Driving gear for a bicycle
CN110341871A (en) * 2019-07-08 2019-10-18 武汉理工大学 A kind of bicycle power-saving devices based on mechanical twisting vibration damping

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355989A (en) * 1980-03-31 1982-10-26 Godolloi Agrartudomanyi Egyetem Gear unit for power-saving drive of working elements of rotary or oscillatory motion, especially of agriculatural cutter drums and peg drums
CN112983723B (en) * 2021-03-02 2022-10-25 哈尔滨工业大学（威海） No dead point's oscillating hydrofoil formula tidal current energy power generation structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203054A2 (en) * 1985-04-18 1986-11-26 Jeannée, Wolfgang Crank-gear
EP0203054A3 (en) * 1985-04-18 1987-04-15 Jeannée, Wolfgang Crank-gear
GB2205918A (en) * 1987-05-21 1988-12-21 Shimano Industrial Co Driving gear for a bicycle
US4869709A (en) * 1987-05-21 1989-09-26 Shimano Industrial Company Limited Driving gear for a bicycle
GB2205918B (en) * 1987-05-21 1992-01-22 Shimano Industrial Co Driving gear for a bicycle
CN110341871A (en) * 2019-07-08 2019-10-18 武汉理工大学 A kind of bicycle power-saving devices based on mechanical twisting vibration damping

Also Published As

Publication number Publication date
FR821921A (en) 1937-12-16
NL44246C (en)

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