GB499941A - Improvements relating to crank shaft mechanism for bicycles - Google Patents

Improvements relating to crank shaft mechanism for bicycles

Info

Publication number
GB499941A
GB499941A GB1923138A GB1923138A GB499941A GB 499941 A GB499941 A GB 499941A GB 1923138 A GB1923138 A GB 1923138A GB 1923138 A GB1923138 A GB 1923138A GB 499941 A GB499941 A GB 499941A
Authority
GB
United Kingdom
Prior art keywords
bicycles
crank shaft
improvements relating
shaft mechanism
cranks
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
GB1923138A
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 GB1923138A priority Critical patent/GB499941A/en
Publication of GB499941A publication Critical patent/GB499941A/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
    • B62M3/00—Construction of cranks operated by hand or foot

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

499,941. Crank shafts. RADNALL, E. A. June 29, 1938, No. 19231. [Class 80 (ii)] Bicycle crank-shafts in which the cranks and sprocket wheel have non-circular holes engaging the similarly - shaped ends 12 of the shaft, are formed, after the cranks and sprocket are in position, with a head 19 to keep the parts in place. Specification 356,497 is referred to.
GB1923138A 1938-06-29 1938-06-29 Improvements relating to crank shaft mechanism for bicycles Expired GB499941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1923138A GB499941A (en) 1938-06-29 1938-06-29 Improvements relating to crank shaft mechanism for bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1923138A GB499941A (en) 1938-06-29 1938-06-29 Improvements relating to crank shaft mechanism for bicycles

Publications (1)

Publication Number Publication Date
GB499941A true GB499941A (en) 1939-01-31

Family

ID=10125895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1923138A Expired GB499941A (en) 1938-06-29 1938-06-29 Improvements relating to crank shaft mechanism for bicycles

Country Status (1)

Country Link
GB (1) GB499941A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003207A1 (en) * 1993-07-23 1995-02-02 Robert Schmitt Bottom bracket bearing for bicycles, trimming devices and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003207A1 (en) * 1993-07-23 1995-02-02 Robert Schmitt Bottom bracket bearing for bicycles, trimming devices and the like

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